kopia lustrzana https://github.com/russhughes/st7789py_mpy
1391 wiersze
192 KiB
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1391 wiersze
192 KiB
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<li class="toctree-l1"><a class="reference internal" href="index.html">st7789py Driver</a></li>
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<li class="toctree-l1"><a class="reference internal" href="st7789py.html">st7789py Reference</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">Example Programs</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#x240-example-programs">320x240 Example Programs</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#x240-lines-py">320x240 lines.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#x240-hello-py">320x240 hello.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#x240-feathers-py">320x240 feathers.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#x240-fonts-py">320x240 fonts.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#x240-scroll-py">320x240 scroll.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#x240-toasters-py">320x240 toasters.py</a></li>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="#x240-ttgo-t-display-example-programs">135x240 TTGO T-Display Example Programs</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="#lines-py">lines.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#hello-py">hello.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#feathers-py">feathers.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#fonts-py">fonts.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#scroll-py">scroll.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#toasters-py">toasters.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#chango-py">chango.py</a></li>
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<li class="toctree-l3"><a class="reference internal" href="#noto-fonts-py">noto_fonts.py</a></li>
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<li class="toctree-l2"><a class="reference internal" href="fonts.html#true-type-font-conversion">True-Type Font Conversion</a></li>
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<section id="example-programs">
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<h1>Example Programs<a class="headerlink" href="#example-programs" title="Permalink to this headline"></a></h1>
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<section id="x240-example-programs">
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<h2>320x240 Example Programs<a class="headerlink" href="#x240-example-programs" title="Permalink to this headline"></a></h2>
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<p>These examples run on a ESP32 board with a 320x240 display. They are were tested using a SparkFun
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ESP32 Thing and a Waveshare 2 inch LCD ST7789 Module. You may need to modify the pin use for your
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device.</p>
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<section id="x240-lines-py">
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<h3>320x240 lines.py<a class="headerlink" href="#x240-lines-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">lines.py</span>
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<span class="linenos"> 3</span>
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<span class="linenos"> 4</span><span class="sd"> Draws lines and rectangles in random colors at random locations on the</span>
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<span class="linenos"> 5</span><span class="sd"> display.</span>
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<span class="linenos"> 6</span>
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<span class="linenos"> 7</span><span class="sd">"""</span>
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<span class="linenos"> 8</span><span class="kn">import</span> <span class="nn">random</span>
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<span class="linenos"> 9</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
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<span class="linenos">10</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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<span class="linenos">11</span>
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<span class="linenos">12</span>
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<span class="linenos">13</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos">14</span> <span class="c1"># configure display</span>
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<span class="linenos">15</span>
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<span class="linenos">16</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
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<span class="linenos">17</span>
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<span class="linenos">18</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos">19</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos">20</span> <span class="mi">320</span><span class="p">,</span>
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<span class="linenos">21</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">22</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">23</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">24</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">25</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">26</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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<span class="linenos">27</span>
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<span class="linenos">28</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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<span class="linenos">29</span>
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<span class="linenos">30</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos">31</span> <span class="n">tft</span><span class="o">.</span><span class="n">line</span><span class="p">(</span>
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<span class="linenos">32</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">),</span>
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<span class="linenos">33</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">),</span>
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<span class="linenos">34</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">),</span>
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<span class="linenos">35</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">),</span>
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<span class="linenos">36</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
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<span class="linenos">37</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">38</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">39</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span>
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<span class="linenos">40</span> <span class="p">)</span>
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<span class="linenos">41</span> <span class="p">)</span>
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<span class="linenos">42</span>
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<span class="linenos">43</span> <span class="n">width</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">//</span> <span class="mi">2</span><span class="p">)</span>
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<span class="linenos">44</span> <span class="n">height</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">//</span> <span class="mi">2</span><span class="p">)</span>
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<span class="linenos">45</span> <span class="n">col</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">width</span><span class="p">)</span>
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<span class="linenos">46</span> <span class="n">row</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">height</span><span class="p">)</span>
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<span class="linenos">47</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
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<span class="linenos">48</span> <span class="n">col</span><span class="p">,</span>
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<span class="linenos">49</span> <span class="n">row</span><span class="p">,</span>
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<span class="linenos">50</span> <span class="n">width</span><span class="p">,</span>
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<span class="linenos">51</span> <span class="n">height</span><span class="p">,</span>
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<span class="linenos">52</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
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<span class="linenos">53</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">54</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">55</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span>
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<span class="linenos">56</span> <span class="p">)</span>
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<span class="linenos">57</span> <span class="p">)</span>
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<span class="linenos">58</span>
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<span class="linenos">59</span>
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<span class="linenos">60</span><span class="n">main</span><span class="p">()</span>
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</pre></div>
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</div>
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</section>
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<section id="x240-hello-py">
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<h3>320x240 hello.py<a class="headerlink" href="#x240-hello-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">hello.py</span>
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<span class="linenos"> 3</span>
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<span class="linenos"> 4</span><span class="sd"> Writes "Hello!" in random colors at random locations on the display.</span>
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<span class="linenos"> 5</span>
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<span class="linenos"> 6</span><span class="sd">"""</span>
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<span class="linenos"> 7</span><span class="kn">import</span> <span class="nn">random</span>
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<span class="linenos"> 8</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
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<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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<span class="linenos">10</span>
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<span class="linenos">11</span><span class="c1"># Choose a font</span>
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<span class="linenos">12</span>
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<span class="linenos">13</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
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<span class="linenos">14</span><span class="c1"># from romfonts import vga2_8x8 as font</span>
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<span class="linenos">15</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
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<span class="linenos">16</span><span class="c1"># from romfonts import vga2_8x16 as font</span>
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<span class="linenos">17</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
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<span class="linenos">18</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
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<span class="linenos">19</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
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<span class="linenos">20</span><span class="c1"># from romfonts import vga2_bold_16x16 as font</span>
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<span class="linenos">21</span><span class="c1"># from romfonts import vga1_16x32 as font</span>
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<span class="linenos">22</span><span class="c1"># from romfonts import vga1_bold_16x32 as font</span>
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<span class="linenos">23</span><span class="c1"># from romfonts import vga2_16x32 as font</span>
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<span class="linenos">24</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x32</span> <span class="k">as</span> <span class="n">font</span>
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<span class="linenos">25</span>
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<span class="linenos">26</span>
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<span class="linenos">27</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos">28</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
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<span class="linenos">29</span>
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<span class="linenos">30</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos">31</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos">32</span> <span class="mi">320</span><span class="p">,</span>
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<span class="linenos">33</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">34</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">35</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">36</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">37</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">38</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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<span class="linenos">39</span>
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<span class="linenos">40</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos">41</span> <span class="k">for</span> <span class="n">rotation</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">4</span><span class="p">):</span>
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<span class="linenos">42</span> <span class="n">tft</span><span class="o">.</span><span class="n">rotation</span><span class="p">(</span><span class="n">rotation</span><span class="p">)</span>
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<span class="linenos">43</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
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<span class="linenos">44</span> <span class="n">col_max</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span><span class="o">*</span><span class="mi">6</span>
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<span class="linenos">45</span> <span class="n">row_max</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
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<span class="linenos">46</span>
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<span class="linenos">47</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">100</span><span class="p">):</span>
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<span class="linenos">48</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span>
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<span class="linenos">49</span> <span class="n">font</span><span class="p">,</span>
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<span class="linenos">50</span> <span class="s2">"Hello!"</span><span class="p">,</span>
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<span class="linenos">51</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">col_max</span><span class="p">),</span>
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<span class="linenos">52</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">row_max</span><span class="p">),</span>
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<span class="linenos">53</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
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<span class="linenos">54</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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|
<span class="linenos">55</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">56</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)),</span>
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<span class="linenos">57</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
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<span class="linenos">58</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">59</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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|
<span class="linenos">60</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">))</span>
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<span class="linenos">61</span> <span class="p">)</span>
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<span class="linenos">62</span>
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<span class="linenos">63</span>
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<span class="linenos">64</span><span class="n">main</span><span class="p">()</span>
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</pre></div>
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</div>
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</section>
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<section id="x240-feathers-py">
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<h3>320x240 feathers.py<a class="headerlink" href="#x240-feathers-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">feathers.py</span>
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<span class="linenos"> 3</span>
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<span class="linenos"> 4</span><span class="sd"> Smoothly scroll mirrored rainbow colored random curves across the display.</span>
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<span class="linenos"> 5</span>
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<span class="linenos"> 6</span><span class="sd">"""</span>
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<span class="linenos"> 7</span>
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<span class="linenos"> 8</span><span class="kn">import</span> <span class="nn">random</span>
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<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">math</span>
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<span class="linenos"> 10</span><span class="kn">import</span> <span class="nn">utime</span>
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<span class="linenos"> 11</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
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<span class="linenos"> 12</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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<span class="linenos"> 13</span>
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<span class="linenos"> 14</span>
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<span class="linenos"> 15</span><span class="k">def</span> <span class="nf">between</span><span class="p">(</span><span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">along</span><span class="p">):</span>
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<span class="linenos"> 16</span> <span class="sd">"""returns a point along the curve from left to right"""</span>
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<span class="linenos"> 17</span> <span class="n">dist</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">math</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="n">along</span> <span class="o">*</span> <span class="n">math</span><span class="o">.</span><span class="n">pi</span><span class="p">))</span> <span class="o">/</span> <span class="mi">2</span>
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<span class="linenos"> 18</span> <span class="k">return</span> <span class="n">left</span> <span class="o">*</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">dist</span><span class="p">)</span> <span class="o">+</span> <span class="n">right</span> <span class="o">*</span> <span class="n">dist</span>
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<span class="linenos"> 19</span>
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<span class="linenos"> 20</span>
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<span class="linenos"> 21</span><span class="k">def</span> <span class="nf">color_wheel</span><span class="p">(</span><span class="n">position</span><span class="p">):</span>
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<span class="linenos"> 22</span> <span class="sd">"""returns a 565 color from the given position of the color wheel"""</span>
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<span class="linenos"> 23</span> <span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="mi">255</span> <span class="o">-</span> <span class="n">position</span><span class="p">)</span> <span class="o">%</span> <span class="mi">255</span>
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<span class="linenos"> 24</span>
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<span class="linenos"> 25</span> <span class="k">if</span> <span class="n">position</span> <span class="o"><</span> <span class="mi">85</span><span class="p">:</span>
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<span class="linenos"> 26</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">)</span>
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<span class="linenos"> 27</span>
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<span class="linenos"> 28</span> <span class="k">if</span> <span class="n">position</span> <span class="o"><</span> <span class="mi">170</span><span class="p">:</span>
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<span class="linenos"> 29</span> <span class="n">position</span> <span class="o">-=</span> <span class="mi">85</span>
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<span class="linenos"> 30</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">)</span>
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<span class="linenos"> 31</span>
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<span class="linenos"> 32</span> <span class="n">position</span> <span class="o">-=</span> <span class="mi">170</span>
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<span class="linenos"> 33</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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<span class="linenos"> 34</span>
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<span class="linenos"> 35</span>
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<span class="linenos"> 36</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos"> 37</span> <span class="sd">'''</span>
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<span class="linenos"> 38</span><span class="sd"> The big show!</span>
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<span class="linenos"> 39</span><span class="sd"> '''</span>
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<span class="linenos"> 40</span> <span class="c1">#enable display and clear screen</span>
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<span class="linenos"> 41</span>
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<span class="linenos"> 42</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
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<span class="linenos"> 43</span>
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<span class="linenos"> 44</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos"> 45</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos"> 46</span> <span class="mi">320</span><span class="p">,</span>
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<span class="linenos"> 47</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos"> 48</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 49</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 50</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 51</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 52</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
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<span class="linenos"> 53</span>
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<span class="linenos"> 54</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># clear screen</span>
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<span class="linenos"> 55</span>
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<span class="linenos"> 56</span> <span class="n">height</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="c1"># height of display in pixels</span>
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<span class="linenos"> 57</span> <span class="n">width</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="c1"># width if display in pixels</span>
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<span class="linenos"> 58</span>
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<span class="linenos"> 59</span> <span class="n">tfa</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># top free area when scrolling</span>
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<span class="linenos"> 60</span> <span class="n">bfa</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># bottom free area when scrolling</span>
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<span class="linenos"> 61</span>
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<span class="linenos"> 62</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># scroll position</span>
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<span class="linenos"> 63</span> <span class="n">wheel</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># color wheel position</span>
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<span class="linenos"> 64</span>
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<span class="linenos"> 65</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="n">tfa</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">bfa</span><span class="p">)</span> <span class="c1"># set scroll area</span>
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<span class="linenos"> 66</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span> <span class="c1"># set scroll position</span>
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<span class="linenos"> 67</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># clear screen</span>
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<span class="linenos"> 68</span>
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<span class="linenos"> 69</span> <span class="n">half</span> <span class="o">=</span> <span class="p">(</span><span class="n">height</span> <span class="o">>></span> <span class="mi">1</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span> <span class="c1"># half the height of the dislay</span>
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<span class="linenos"> 70</span> <span class="n">interval</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># steps between new points</span>
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<span class="linenos"> 71</span> <span class="n">increment</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># increment per step</span>
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<span class="linenos"> 72</span> <span class="n">counter</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1"># step counter, overflow to start</span>
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<span class="linenos"> 73</span> <span class="n">current_y</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># current_y value (right point)</span>
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<span class="linenos"> 74</span> <span class="n">last_y</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># last_y value (left point)</span>
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<span class="linenos"> 75</span>
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<span class="linenos"> 76</span> <span class="c1"># segment offsets</span>
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<span class="linenos"> 77</span> <span class="n">x_offsets</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span> <span class="o">*</span> <span class="p">(</span><span class="n">width</span> <span class="o">//</span> <span class="mi">8</span><span class="p">)</span> <span class="o">-</span><span class="mi">1</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">9</span><span class="p">)]</span>
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<span class="linenos"> 78</span>
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<span class="linenos"> 79</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos"> 80</span> <span class="c1"># when the counter exceeds the interval, save current_y to last_y,</span>
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<span class="linenos"> 81</span> <span class="c1"># choose a new random value for current_y between 0 and 1/2 the</span>
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<span class="linenos"> 82</span> <span class="c1"># height of the display, choose a new random interval then reset</span>
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<span class="linenos"> 83</span> <span class="c1"># the counter to 0</span>
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<span class="linenos"> 84</span>
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<span class="linenos"> 85</span> <span class="k">if</span> <span class="n">counter</span> <span class="o">></span> <span class="n">interval</span><span class="p">:</span>
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<span class="linenos"> 86</span> <span class="n">last_y</span> <span class="o">=</span> <span class="n">current_y</span>
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<span class="linenos"> 87</span> <span class="n">current_y</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">half</span><span class="p">)</span>
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<span class="linenos"> 88</span> <span class="n">counter</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos"> 89</span> <span class="n">interval</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="mi">100</span><span class="p">)</span>
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<span class="linenos"> 90</span> <span class="n">increment</span> <span class="o">=</span> <span class="mi">1</span><span class="o">/</span><span class="n">interval</span> <span class="c1"># increment per step</span>
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<span class="linenos"> 91</span>
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<span class="linenos"> 92</span> <span class="c1"># clear the first column of the display and scroll it</span>
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<span class="linenos"> 93</span> <span class="n">tft</span><span class="o">.</span><span class="n">vline</span><span class="p">(</span><span class="n">scroll</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">height</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
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<span class="linenos"> 94</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span>
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<span class="linenos"> 95</span>
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<span class="linenos"> 96</span> <span class="c1"># get the next point between last_y and current_y</span>
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<span class="linenos"> 97</span> <span class="n">tween</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">between</span><span class="p">(</span><span class="n">last_y</span><span class="p">,</span> <span class="n">current_y</span><span class="p">,</span> <span class="n">counter</span> <span class="o">*</span> <span class="n">increment</span><span class="p">))</span>
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<span class="linenos"> 98</span>
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<span class="linenos"> 99</span> <span class="c1"># draw mirrored pixels across the display at the offsets using the color_wheel effect</span>
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<span class="linenos">100</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">x_offset</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">x_offsets</span><span class="p">):</span>
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<span class="linenos">101</span> <span class="n">tft</span><span class="o">.</span><span class="n">pixel</span><span class="p">((</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">x_offset</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span><span class="p">,</span> <span class="n">half</span> <span class="o">+</span> <span class="n">tween</span><span class="p">,</span> <span class="n">color_wheel</span><span class="p">(</span><span class="n">wheel</span><span class="o">+</span><span class="p">(</span><span class="n">i</span><span class="o"><<</span><span class="mi">2</span><span class="p">)))</span>
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<span class="linenos">102</span> <span class="n">tft</span><span class="o">.</span><span class="n">pixel</span><span class="p">((</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">x_offset</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span><span class="p">,</span> <span class="n">half</span> <span class="o">-</span> <span class="n">tween</span><span class="p">,</span> <span class="n">color_wheel</span><span class="p">(</span><span class="n">wheel</span><span class="o">+</span><span class="p">(</span><span class="n">i</span><span class="o"><<</span><span class="mi">2</span><span class="p">)))</span>
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<span class="linenos">103</span>
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<span class="linenos">104</span> <span class="c1"># increment scroll, counter, and wheel</span>
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<span class="linenos">105</span> <span class="n">scroll</span> <span class="o">=</span> <span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span>
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|
<span class="linenos">106</span> <span class="n">wheel</span> <span class="o">=</span> <span class="p">(</span><span class="n">wheel</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">%</span> <span class="mi">256</span>
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<span class="linenos">107</span> <span class="n">counter</span> <span class="o">+=</span> <span class="mi">1</span>
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<span class="linenos">108</span>
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<span class="linenos">109</span>
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<span class="linenos">110</span><span class="n">main</span><span class="p">()</span>
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</pre></div>
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|
</div>
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</section>
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<section id="x240-fonts-py">
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|
<h3>320x240 fonts.py<a class="headerlink" href="#x240-fonts-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">fonts.py</span>
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<span class="linenos"> 3</span>
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<span class="linenos"> 4</span><span class="sd"> Pages through all characters of four fonts on the display.</span>
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<span class="linenos"> 5</span>
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<span class="linenos"> 6</span><span class="sd">"""</span>
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<span class="linenos"> 7</span><span class="kn">import</span> <span class="nn">utime</span>
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|
<span class="linenos"> 8</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
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<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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<span class="linenos">10</span>
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<span class="linenos">11</span><span class="c1"># Choose fonts</span>
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|
<span class="linenos">12</span>
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<span class="linenos">13</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
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<span class="linenos">14</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_8x8</span> <span class="k">as</span> <span class="n">font1</span>
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<span class="linenos">15</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
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|
<span class="linenos">16</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_8x16</span> <span class="k">as</span> <span class="n">font2</span>
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<span class="linenos">17</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
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<span class="linenos">18</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
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<span class="linenos">19</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
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<span class="linenos">20</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x16</span> <span class="k">as</span> <span class="n">font3</span>
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<span class="linenos">21</span><span class="c1"># from romfonts import vga1_16x32 as font</span>
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<span class="linenos">22</span><span class="c1"># from romfonts import vga1_bold_16x32 as font</span>
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<span class="linenos">23</span><span class="c1"># from romfonts import vga2_16x32 as font</span>
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<span class="linenos">24</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x32</span> <span class="k">as</span> <span class="n">font4</span>
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<span class="linenos">25</span>
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<span class="linenos">26</span>
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<span class="linenos">27</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos">28</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
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<span class="linenos">29</span>
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<span class="linenos">30</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos">31</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos">32</span> <span class="mi">320</span><span class="p">,</span>
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<span class="linenos">33</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">34</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">35</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">36</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">37</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">38</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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|
<span class="linenos">39</span>
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|
<span class="linenos">40</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="mi">40</span><span class="p">,</span> <span class="mi">240</span><span class="p">,</span> <span class="mi">40</span><span class="p">)</span>
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|
<span class="linenos">41</span>
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|
<span class="linenos">42</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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|
<span class="linenos">43</span> <span class="k">for</span> <span class="n">font</span> <span class="ow">in</span> <span class="p">(</span><span class="n">font1</span><span class="p">,</span> <span class="n">font2</span><span class="p">,</span> <span class="n">font3</span><span class="p">,</span> <span class="n">font4</span><span class="p">):</span>
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|
<span class="linenos">44</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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|
<span class="linenos">45</span> <span class="n">line</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos">46</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">47</span>
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|
<span class="linenos">48</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">font</span><span class="o">.</span><span class="n">FIRST</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">LAST</span><span class="p">):</span>
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|
<span class="linenos">49</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="nb">chr</span><span class="p">(</span><span class="n">char</span><span class="p">),</span> <span class="n">col</span><span class="p">,</span> <span class="n">line</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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|
<span class="linenos">50</span> <span class="n">col</span> <span class="o">+=</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span>
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|
<span class="linenos">51</span> <span class="k">if</span> <span class="n">col</span> <span class="o">></span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span><span class="p">:</span>
|
|
<span class="linenos">52</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">53</span> <span class="n">line</span> <span class="o">+=</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
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<span class="linenos">54</span>
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|
<span class="linenos">55</span> <span class="k">if</span> <span class="n">line</span> <span class="o">></span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="o">-</span><span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span><span class="p">:</span>
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|
<span class="linenos">56</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
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|
<span class="linenos">57</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">58</span> <span class="n">line</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">59</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
|
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<span class="linenos">60</span>
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|
<span class="linenos">61</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
|
|
<span class="linenos">62</span>
|
|
<span class="linenos">63</span>
|
|
<span class="linenos">64</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
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<section id="x240-scroll-py">
|
|
<h3>320x240 scroll.py<a class="headerlink" href="#x240-scroll-py" title="Permalink to this headline"></a></h3>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">fonts.py</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Smoothly scrolls all font characters up the screen on the display.</span>
|
|
<span class="linenos"> 5</span><span class="sd"> Only works with fonts with heights that are even multiples of</span>
|
|
<span class="linenos"> 6</span><span class="sd"> the screen height, (i.e. 8 or 16 pixels high)</span>
|
|
<span class="linenos"> 7</span>
|
|
<span class="linenos"> 8</span><span class="sd">"""</span>
|
|
<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">utime</span>
|
|
<span class="linenos">10</span><span class="kn">import</span> <span class="nn">random</span>
|
|
<span class="linenos">11</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
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|
<span class="linenos">12</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos">13</span>
|
|
<span class="linenos">14</span><span class="c1"># choose a font</span>
|
|
<span class="linenos">15</span>
|
|
<span class="linenos">16</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
|
|
<span class="linenos">17</span><span class="c1"># from romfonts import vga2_8x8 as font</span>
|
|
<span class="linenos">18</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
|
|
<span class="linenos">19</span><span class="c1"># from romfonts import vga2_8x16 as font</span>
|
|
<span class="linenos">20</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
|
|
<span class="linenos">21</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
|
|
<span class="linenos">22</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
|
|
<span class="linenos">23</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x16</span> <span class="k">as</span> <span class="n">font</span>
|
|
<span class="linenos">24</span>
|
|
<span class="linenos">25</span>
|
|
<span class="linenos">26</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">27</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
|
|
<span class="linenos">28</span>
|
|
<span class="linenos">29</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
|
|
<span class="linenos">30</span> <span class="n">spi</span><span class="p">,</span>
|
|
<span class="linenos">31</span> <span class="mi">320</span><span class="p">,</span>
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|
<span class="linenos">32</span> <span class="mi">240</span><span class="p">,</span>
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|
<span class="linenos">33</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">34</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">35</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">36</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">37</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
|
|
<span class="linenos">38</span>
|
|
<span class="linenos">39</span> <span class="n">last_line</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
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|
<span class="linenos">40</span> <span class="n">tfa</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">41</span> <span class="n">tfb</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">42</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="n">tfa</span><span class="p">,</span> <span class="mi">240</span><span class="p">,</span> <span class="n">tfb</span><span class="p">)</span>
|
|
<span class="linenos">43</span>
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<span class="linenos">44</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">45</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">46</span> <span class="n">character</span> <span class="o">=</span> <span class="mi">0</span>
|
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<span class="linenos">47</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos">48</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">scroll</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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<span class="linenos">49</span>
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<span class="linenos">50</span> <span class="k">if</span> <span class="n">scroll</span> <span class="o">%</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
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<span class="linenos">51</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span>
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<span class="linenos">52</span> <span class="n">font</span><span class="p">,</span>
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<span class="linenos">53</span> <span class="s1">'</span><span class="se">\\</span><span class="s1">x</span><span class="si">{:02x}</span><span class="s1">= </span><span class="si">{:s}</span><span class="s1"> '</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">character</span><span class="p">,</span> <span class="nb">chr</span><span class="p">(</span><span class="n">character</span><span class="p">)),</span>
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|
<span class="linenos">54</span> <span class="mi">0</span><span class="p">,</span>
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<span class="linenos">55</span> <span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">last_line</span><span class="p">)</span> <span class="o">%</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">,</span>
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<span class="linenos">56</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">,</span>
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<span class="linenos">57</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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<span class="linenos">58</span>
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<span class="linenos">59</span> <span class="n">character</span> <span class="o">=</span> <span class="n">character</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">if</span> <span class="n">character</span> <span class="o"><</span> <span class="mi">256</span> <span class="k">else</span> <span class="mi">0</span>
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<span class="linenos">60</span>
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<span class="linenos">61</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span>
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<span class="linenos">62</span> <span class="n">scroll</span> <span class="o">+=</span> <span class="mi">1</span>
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<span class="linenos">63</span>
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<span class="linenos">64</span> <span class="k">if</span> <span class="n">scroll</span> <span class="o">==</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">:</span>
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<span class="linenos">65</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos">66</span>
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|
<span class="linenos">67</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">0.01</span><span class="p">)</span>
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|
<span class="linenos">68</span>
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<span class="linenos">69</span>
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|
<span class="linenos">70</span><span class="n">main</span><span class="p">()</span>
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</pre></div>
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</div>
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</section>
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<section id="x240-toasters-py">
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<h3>320x240 toasters.py<a class="headerlink" href="#x240-toasters-py" title="Permalink to this headline"></a></h3>
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<p>Flying toasters sprite demo using bitmaps created from spritesheet using the sprites2bitmap.py
|
|
utility. See the maketoast shell script for the command line used to create the toast_bitmaps.py from the
|
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toasters.bmp image.</p>
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|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">'''</span>
|
|
<span class="linenos"> 2</span><span class="sd">toasters.py - Flying Toasters(ish) an ESP-32 and ST7789 240x320 display.</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Uses spritesheet from CircuitPython_Flying_Toasters pendant project</span>
|
|
<span class="linenos"> 5</span><span class="sd"> https://learn.adafruit.com/circuitpython-sprite-animation-pendant-mario-clouds-flying-toasters</span>
|
|
<span class="linenos"> 6</span>
|
|
<span class="linenos"> 7</span><span class="sd"> Convert spritesheet bmp to tft.bitmap() method compatible python module using:</span>
|
|
<span class="linenos"> 8</span><span class="sd"> python3 ./sprites2bitmap.py toasters.bmp 64 64 4 > toast_bitmaps.py</span>
|
|
<span class="linenos"> 9</span>
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|
<span class="linenos"> 10</span><span class="sd">'''</span>
|
|
<span class="linenos"> 11</span>
|
|
<span class="linenos"> 12</span><span class="kn">import</span> <span class="nn">gc</span>
|
|
<span class="linenos"> 13</span><span class="kn">import</span> <span class="nn">time</span>
|
|
<span class="linenos"> 14</span><span class="kn">import</span> <span class="nn">random</span>
|
|
<span class="linenos"> 15</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SPI</span>
|
|
<span class="linenos"> 16</span><span class="kn">import</span> <span class="nn">st7789</span>
|
|
<span class="linenos"> 17</span><span class="kn">import</span> <span class="nn">toast_bitmaps</span>
|
|
<span class="linenos"> 18</span>
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|
<span class="linenos"> 19</span><span class="n">TOASTER_FRAMES</span> <span class="o">=</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">]</span>
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|
<span class="linenos"> 20</span><span class="n">TOAST_FRAMES</span> <span class="o">=</span> <span class="p">[</span><span class="mi">4</span><span class="p">]</span>
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|
<span class="linenos"> 21</span>
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|
<span class="linenos"> 22</span><span class="k">def</span> <span class="nf">collide</span><span class="p">(</span><span class="n">a_col</span><span class="p">,</span> <span class="n">a_row</span><span class="p">,</span> <span class="n">a_width</span><span class="p">,</span> <span class="n">a_height</span><span class="p">,</span> <span class="n">b_col</span><span class="p">,</span> <span class="n">b_row</span><span class="p">,</span> <span class="n">b_width</span><span class="p">,</span> <span class="n">b_height</span><span class="p">):</span>
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|
<span class="linenos"> 23</span> <span class="sd">'''return true if two rectangles overlap'''</span>
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|
<span class="linenos"> 24</span> <span class="k">return</span> <span class="p">(</span><span class="n">a_col</span> <span class="o">+</span> <span class="n">a_width</span> <span class="o">>=</span> <span class="n">b_col</span> <span class="ow">and</span> <span class="n">a_col</span> <span class="o"><=</span> <span class="n">b_col</span> <span class="o">+</span> <span class="n">b_width</span>
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|
<span class="linenos"> 25</span> <span class="ow">and</span> <span class="n">a_row</span> <span class="o">+</span> <span class="n">a_height</span> <span class="o">>=</span> <span class="n">b_row</span> <span class="ow">and</span> <span class="n">a_row</span> <span class="o"><=</span> <span class="n">b_row</span> <span class="o">+</span> <span class="n">b_height</span><span class="p">)</span>
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<span class="linenos"> 26</span>
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|
<span class="linenos"> 27</span><span class="k">def</span> <span class="nf">random_start</span><span class="p">(</span><span class="n">tft</span><span class="p">,</span> <span class="n">sprites</span><span class="p">,</span> <span class="n">bitmaps</span><span class="p">,</span> <span class="n">num</span><span class="p">):</span>
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|
<span class="linenos"> 28</span> <span class="sd">'''</span>
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|
<span class="linenos"> 29</span><span class="sd"> Return a random location along the top or right of the screen, if that location would overlaps</span>
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<span class="linenos"> 30</span><span class="sd"> with another sprite return (0,0). This allows the other sprites to keep moving giving the next</span>
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<span class="linenos"> 31</span><span class="sd"> random_start a better chance to avoid a collision.</span>
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<span class="linenos"> 32</span>
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<span class="linenos"> 33</span><span class="sd"> '''</span>
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<span class="linenos"> 34</span> <span class="c1"># 50/50 chance to try along the top/right half or along the right/top half of the screen</span>
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<span class="linenos"> 35</span> <span class="k">if</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">1</span><span class="p">):</span>
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<span class="linenos"> 36</span> <span class="n">row</span> <span class="o">=</span> <span class="mi">1</span>
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<span class="linenos"> 37</span> <span class="n">col</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="n">bitmaps</span><span class="o">.</span><span class="n">WIDTH</span><span class="o">//</span><span class="mi">2</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">()</span><span class="o">-</span><span class="n">bitmaps</span><span class="o">.</span><span class="n">WIDTH</span><span class="p">)</span>
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<span class="linenos"> 38</span> <span class="k">else</span><span class="p">:</span>
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|
<span class="linenos"> 39</span> <span class="n">col</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">()</span> <span class="o">-</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">WIDTH</span>
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<span class="linenos"> 40</span> <span class="n">row</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">()</span> <span class="o">//</span> <span class="mi">2</span><span class="p">)</span>
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<span class="linenos"> 41</span>
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<span class="linenos"> 42</span> <span class="k">if</span> <span class="nb">any</span><span class="p">(</span><span class="n">collide</span><span class="p">(</span>
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<span class="linenos"> 43</span> <span class="n">col</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">WIDTH</span><span class="p">,</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">HEIGHT</span><span class="p">,</span>
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<span class="linenos"> 44</span> <span class="n">sprite</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">row</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">height</span><span class="p">)</span>
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|
<span class="linenos"> 45</span> <span class="k">for</span> <span class="n">sprite</span> <span class="ow">in</span> <span class="n">sprites</span> <span class="k">if</span> <span class="n">num</span> <span class="o">!=</span> <span class="n">sprite</span><span class="o">.</span><span class="n">num</span><span class="p">):</span>
|
|
<span class="linenos"> 46</span>
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|
<span class="linenos"> 47</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
|
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<span class="linenos"> 48</span> <span class="n">row</span> <span class="o">=</span> <span class="mi">0</span>
|
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<span class="linenos"> 49</span>
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<span class="linenos"> 50</span> <span class="k">return</span> <span class="p">(</span><span class="n">col</span><span class="p">,</span> <span class="n">row</span><span class="p">)</span>
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<span class="linenos"> 51</span>
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|
<span class="linenos"> 52</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos"> 53</span>
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|
<span class="linenos"> 54</span> <span class="k">class</span> <span class="nc">Toast</span><span class="p">():</span>
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|
<span class="linenos"> 55</span> <span class="sd">'''</span>
|
|
<span class="linenos"> 56</span><span class="sd"> Toast class to keep track of toaster and toast sprites</span>
|
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<span class="linenos"> 57</span><span class="sd"> '''</span>
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<span class="linenos"> 58</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sprites</span><span class="p">,</span> <span class="n">bitmaps</span><span class="p">,</span> <span class="n">frames</span><span class="p">):</span>
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<span class="linenos"> 59</span> <span class="sd">'''create new sprite in random location that does not overlap other sprites'''</span>
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|
<span class="linenos"> 60</span> <span class="bp">self</span><span class="o">.</span><span class="n">num</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">sprites</span><span class="p">)</span>
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<span class="linenos"> 61</span> <span class="bp">self</span><span class="o">.</span><span class="n">bitmaps</span> <span class="o">=</span> <span class="n">bitmaps</span>
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<span class="linenos"> 62</span> <span class="bp">self</span><span class="o">.</span><span class="n">frames</span> <span class="o">=</span> <span class="n">frames</span>
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|
<span class="linenos"> 63</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">frames</span><span class="p">)</span>
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<span class="linenos"> 64</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">=</span> <span class="n">random_start</span><span class="p">(</span><span class="n">tft</span><span class="p">,</span> <span class="n">sprites</span><span class="p">,</span> <span class="n">bitmaps</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">num</span><span class="p">)</span>
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<span class="linenos"> 65</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">WIDTH</span>
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<span class="linenos"> 66</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">bitmaps</span><span class="o">.</span><span class="n">HEIGHT</span>
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<span class="linenos"> 67</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span>
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<span class="linenos"> 68</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span>
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<span class="linenos"> 69</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span><span class="p">)</span>
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|
<span class="linenos"> 70</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span> <span class="o">=</span> <span class="o">-</span><span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
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|
<span class="linenos"> 71</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span> <span class="o">=</span> <span class="mi">2</span>
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<span class="linenos"> 72</span> <span class="bp">self</span><span class="o">.</span><span class="n">prev_dir_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span>
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|
<span class="linenos"> 73</span> <span class="bp">self</span><span class="o">.</span><span class="n">prev_dir_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span>
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|
<span class="linenos"> 74</span> <span class="bp">self</span><span class="o">.</span><span class="n">iceberg</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos"> 75</span>
|
|
<span class="linenos"> 76</span> <span class="k">def</span> <span class="nf">clear</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="linenos"> 77</span> <span class="sd">'''clear above and behind sprite'''</span>
|
|
<span class="linenos"> 78</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
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|
<span class="linenos"> 79</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="linenos"> 80</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos"> 81</span>
|
|
<span class="linenos"> 82</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
|
|
<span class="linenos"> 83</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span><span class="p">,</span>
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|
<span class="linenos"> 84</span> <span class="o">-</span><span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos"> 85</span>
|
|
<span class="linenos"> 86</span> <span class="k">def</span> <span class="nf">erase</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="linenos"> 87</span> <span class="sd">'''erase last postion of sprite'''</span>
|
|
<span class="linenos"> 88</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
|
|
<span class="linenos"> 89</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_row</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos"> 90</span>
|
|
<span class="linenos"> 91</span> <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sprites</span><span class="p">):</span>
|
|
<span class="linenos"> 92</span> <span class="sd">'''step frame and move sprite'''</span>
|
|
<span class="linenos"> 93</span>
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|
<span class="linenos"> 94</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span><span class="p">:</span>
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|
<span class="linenos"> 95</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span>
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|
<span class="linenos"> 96</span>
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|
<span class="linenos"> 97</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span>
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|
<span class="linenos"> 98</span> <span class="bp">self</span><span class="o">.</span><span class="n">last_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span>
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|
<span class="linenos"> 99</span> <span class="n">new_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span>
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|
<span class="linenos">100</span> <span class="n">new_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span>
|
|
<span class="linenos">101</span>
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|
<span class="linenos">102</span> <span class="c1"># if new location collides with another sprite, change direction for 32 frames</span>
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|
<span class="linenos">103</span>
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|
<span class="linenos">104</span> <span class="k">for</span> <span class="n">sprite</span> <span class="ow">in</span> <span class="n">sprites</span><span class="p">:</span>
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|
<span class="linenos">105</span> <span class="k">if</span> <span class="p">(</span>
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|
<span class="linenos">106</span> <span class="bp">self</span><span class="o">.</span><span class="n">num</span> <span class="o">!=</span> <span class="n">sprite</span><span class="o">.</span><span class="n">num</span>
|
|
<span class="linenos">107</span> <span class="ow">and</span> <span class="n">collide</span><span class="p">(</span>
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|
<span class="linenos">108</span> <span class="n">new_col</span><span class="p">,</span> <span class="n">new_row</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">,</span>
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|
<span class="linenos">109</span> <span class="n">sprite</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">row</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="n">sprite</span><span class="o">.</span><span class="n">height</span><span class="p">,</span>
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|
<span class="linenos">110</span> <span class="p">)</span>
|
|
<span class="linenos">111</span> <span class="ow">and</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="o">></span> <span class="n">sprite</span><span class="o">.</span><span class="n">col</span><span class="p">)):</span>
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|
<span class="linenos">112</span>
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|
<span class="linenos">113</span> <span class="bp">self</span><span class="o">.</span><span class="n">iceberg</span> <span class="o">=</span> <span class="mi">32</span>
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|
<span class="linenos">114</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span>
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|
<span class="linenos">115</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span> <span class="o">=</span> <span class="mi">3</span>
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|
<span class="linenos">116</span> <span class="n">new_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span>
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|
<span class="linenos">117</span> <span class="n">new_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span>
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|
<span class="linenos">118</span>
|
|
<span class="linenos">119</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="o">=</span> <span class="n">new_col</span>
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|
<span class="linenos">120</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">=</span> <span class="n">new_row</span>
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|
<span class="linenos">121</span>
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|
<span class="linenos">122</span> <span class="c1"># if new location touches edge of screen, erase then set new start location</span>
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|
<span class="linenos">123</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="o"><=</span> <span class="mi">0</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">></span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">()</span> <span class="o">-</span> <span class="bp">self</span><span class="o">.</span><span class="n">height</span><span class="p">:</span>
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|
<span class="linenos">124</span> <span class="bp">self</span><span class="o">.</span><span class="n">erase</span><span class="p">()</span>
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|
<span class="linenos">125</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span> <span class="o">=</span> <span class="o">-</span><span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
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|
<span class="linenos">126</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span> <span class="o">=</span> <span class="mi">2</span>
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|
<span class="linenos">127</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span> <span class="o">=</span> <span class="n">random_start</span><span class="p">(</span><span class="n">tft</span><span class="p">,</span> <span class="n">sprites</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">bitmaps</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">num</span><span class="p">)</span>
|
|
<span class="linenos">128</span>
|
|
<span class="linenos">129</span> <span class="c1"># Track post collision direction change</span>
|
|
<span class="linenos">130</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">iceberg</span><span class="p">:</span>
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|
<span class="linenos">131</span> <span class="bp">self</span><span class="o">.</span><span class="n">iceberg</span> <span class="o">-=</span> <span class="mi">1</span>
|
|
<span class="linenos">132</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">iceberg</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
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|
<span class="linenos">133</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_col</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">prev_dir_col</span>
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|
<span class="linenos">134</span> <span class="bp">self</span><span class="o">.</span><span class="n">dir_row</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">prev_dir_row</span>
|
|
<span class="linenos">135</span>
|
|
<span class="linenos">136</span> <span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="linenos">137</span> <span class="sd">'''if the location is not 0,0 draw current frame of sprite at it's location'''</span>
|
|
<span class="linenos">138</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span><span class="p">:</span>
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|
<span class="linenos">139</span> <span class="n">tft</span><span class="o">.</span><span class="n">bitmap</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">bitmaps</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">col</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">row</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">frames</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">step</span><span class="p">])</span>
|
|
<span class="linenos">140</span>
|
|
<span class="linenos">141</span> <span class="c1"># configure spi interface</span>
|
|
<span class="linenos">142</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SPI</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">31250000</span><span class="p">,</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">))</span>
|
|
<span class="linenos">143</span>
|
|
<span class="linenos">144</span> <span class="c1"># configure display</span>
|
|
<span class="linenos">145</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
|
|
<span class="linenos">146</span> <span class="n">spi</span><span class="p">,</span>
|
|
<span class="linenos">147</span> <span class="mi">240</span><span class="p">,</span>
|
|
<span class="linenos">148</span> <span class="mi">320</span><span class="p">,</span>
|
|
<span class="linenos">149</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">150</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">151</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">152</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">153</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="linenos">154</span> <span class="n">buffer_size</span><span class="o">=</span><span class="mi">64</span><span class="o">*</span><span class="mi">62</span><span class="o">*</span><span class="mi">2</span><span class="p">)</span>
|
|
<span class="linenos">155</span>
|
|
<span class="linenos">156</span> <span class="c1"># init and clear screen</span>
|
|
<span class="linenos">157</span> <span class="n">tft</span><span class="o">.</span><span class="n">init</span><span class="p">()</span>
|
|
<span class="linenos">158</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">159</span>
|
|
<span class="linenos">160</span> <span class="c1"># create toast spites and set animation frames</span>
|
|
<span class="linenos">161</span> <span class="n">sprites</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="linenos">162</span> <span class="n">sprites</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Toast</span><span class="p">(</span><span class="n">sprites</span><span class="p">,</span> <span class="n">toast_bitmaps</span><span class="p">,</span> <span class="n">TOAST_FRAMES</span><span class="p">))</span>
|
|
<span class="linenos">163</span> <span class="n">sprites</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Toast</span><span class="p">(</span><span class="n">sprites</span><span class="p">,</span> <span class="n">toast_bitmaps</span><span class="p">,</span> <span class="n">TOASTER_FRAMES</span><span class="p">))</span>
|
|
<span class="linenos">164</span> <span class="n">sprites</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">Toast</span><span class="p">(</span><span class="n">sprites</span><span class="p">,</span> <span class="n">toast_bitmaps</span><span class="p">,</span> <span class="n">TOASTER_FRAMES</span><span class="p">))</span>
|
|
<span class="linenos">165</span>
|
|
<span class="linenos">166</span> <span class="c1"># move and draw sprites</span>
|
|
<span class="linenos">167</span>
|
|
<span class="linenos">168</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
|
<span class="linenos">169</span> <span class="k">for</span> <span class="n">sprite</span> <span class="ow">in</span> <span class="n">sprites</span><span class="p">:</span>
|
|
<span class="linenos">170</span> <span class="n">sprite</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
|
|
<span class="linenos">171</span> <span class="n">sprite</span><span class="o">.</span><span class="n">move</span><span class="p">(</span><span class="n">sprites</span><span class="p">)</span>
|
|
<span class="linenos">172</span> <span class="n">sprite</span><span class="o">.</span><span class="n">draw</span><span class="p">()</span>
|
|
<span class="linenos">173</span>
|
|
<span class="linenos">174</span> <span class="n">gc</span><span class="o">.</span><span class="n">collect</span><span class="p">()</span>
|
|
<span class="linenos">175</span> <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">0.01</span><span class="p">)</span>
|
|
<span class="linenos">176</span>
|
|
<span class="linenos">177</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
</section>
|
|
<section id="x240-ttgo-t-display-example-programs">
|
|
<h2>135x240 TTGO T-Display Example Programs<a class="headerlink" href="#x240-ttgo-t-display-example-programs" title="Permalink to this headline"></a></h2>
|
|
<p>These examples run on the LilyGo TTGO-T-Display available from the usual
|
|
locations. See <a class="reference external" href="https://github.com/Xinyuan-LilyGO/TTGO-T-Display">https://github.com/Xinyuan-LilyGO/TTGO-T-Display</a> for more
|
|
information.</p>
|
|
<section id="lines-py">
|
|
<h3>lines.py<a class="headerlink" href="#lines-py" title="Permalink to this headline"></a></h3>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">lines.py</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Draws lines and rectangles in random colors at random locations on the</span>
|
|
<span class="linenos"> 5</span><span class="sd"> display.</span>
|
|
<span class="linenos"> 6</span>
|
|
<span class="linenos"> 7</span><span class="sd">"""</span>
|
|
<span class="linenos"> 8</span><span class="kn">import</span> <span class="nn">random</span>
|
|
<span class="linenos"> 9</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
|
|
<span class="linenos">10</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos">11</span>
|
|
<span class="linenos">12</span>
|
|
<span class="linenos">13</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">14</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
|
|
<span class="linenos">15</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
|
|
<span class="linenos">16</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="linenos">17</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
|
<span class="linenos">18</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
|
|
<span class="linenos">19</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
|
|
<span class="linenos">20</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
|
|
<span class="linenos">21</span>
|
|
<span class="linenos">22</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
|
|
<span class="linenos">23</span> <span class="n">spi</span><span class="p">,</span>
|
|
<span class="linenos">24</span> <span class="mi">135</span><span class="p">,</span>
|
|
<span class="linenos">25</span> <span class="mi">240</span><span class="p">,</span>
|
|
<span class="linenos">26</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">27</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">28</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">29</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">30</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
|
|
<span class="linenos">31</span>
|
|
<span class="linenos">32</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">33</span>
|
|
<span class="linenos">34</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos">35</span> <span class="n">tft</span><span class="o">.</span><span class="n">line</span><span class="p">(</span>
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|
<span class="linenos">36</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">),</span>
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|
<span class="linenos">37</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">),</span>
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|
<span class="linenos">38</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">),</span>
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|
<span class="linenos">39</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">),</span>
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|
<span class="linenos">40</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
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|
<span class="linenos">41</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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|
<span class="linenos">42</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
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<span class="linenos">43</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span>
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<span class="linenos">44</span> <span class="p">)</span>
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<span class="linenos">45</span> <span class="p">)</span>
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<span class="linenos">46</span>
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|
<span class="linenos">47</span> <span class="n">width</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">//</span> <span class="mi">2</span><span class="p">)</span>
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<span class="linenos">48</span> <span class="n">height</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">//</span> <span class="mi">2</span><span class="p">)</span>
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<span class="linenos">49</span> <span class="n">col</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">width</span><span class="p">)</span>
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<span class="linenos">50</span> <span class="n">row</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">height</span><span class="p">)</span>
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|
<span class="linenos">51</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
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|
<span class="linenos">52</span> <span class="n">col</span><span class="p">,</span>
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|
<span class="linenos">53</span> <span class="n">row</span><span class="p">,</span>
|
|
<span class="linenos">54</span> <span class="n">width</span><span class="p">,</span>
|
|
<span class="linenos">55</span> <span class="n">height</span><span class="p">,</span>
|
|
<span class="linenos">56</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
|
|
<span class="linenos">57</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">58</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">59</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)</span>
|
|
<span class="linenos">60</span> <span class="p">)</span>
|
|
<span class="linenos">61</span> <span class="p">)</span>
|
|
<span class="linenos">62</span>
|
|
<span class="linenos">63</span>
|
|
<span class="linenos">64</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
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|
</section>
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|
<section id="hello-py">
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|
<h3>hello.py<a class="headerlink" href="#hello-py" title="Permalink to this headline"></a></h3>
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|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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|
<span class="linenos"> 2</span><span class="sd">hello.py</span>
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|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Writes "Hello!" in random colors at random locations on a</span>
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|
<span class="linenos"> 5</span><span class="sd"> LILYGO® TTGO T-Display.</span>
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|
<span class="linenos"> 6</span>
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<span class="linenos"> 7</span><span class="sd"> https://www.youtube.com/watch?v=atBa0BYPAAc</span>
|
|
<span class="linenos"> 8</span>
|
|
<span class="linenos"> 9</span><span class="sd">"""</span>
|
|
<span class="linenos">10</span><span class="kn">import</span> <span class="nn">random</span>
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|
<span class="linenos">11</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
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|
<span class="linenos">12</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos">13</span>
|
|
<span class="linenos">14</span><span class="c1"># Choose a font</span>
|
|
<span class="linenos">15</span>
|
|
<span class="linenos">16</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
|
|
<span class="linenos">17</span><span class="c1"># from romfonts import vga2_8x8 as font</span>
|
|
<span class="linenos">18</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
|
|
<span class="linenos">19</span><span class="c1"># from romfonts import vga2_8x16 as font</span>
|
|
<span class="linenos">20</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
|
|
<span class="linenos">21</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
|
|
<span class="linenos">22</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
|
|
<span class="linenos">23</span><span class="c1"># from romfonts import vga2_bold_16x16 as font</span>
|
|
<span class="linenos">24</span><span class="c1"># from romfonts import vga1_16x32 as font</span>
|
|
<span class="linenos">25</span><span class="c1"># from romfonts import vga1_bold_16x32 as font</span>
|
|
<span class="linenos">26</span><span class="c1"># from romfonts import vga2_16x32 as font</span>
|
|
<span class="linenos">27</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x32</span> <span class="k">as</span> <span class="n">font</span>
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|
<span class="linenos">28</span>
|
|
<span class="linenos">29</span>
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|
<span class="linenos">30</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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|
<span class="linenos">31</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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|
<span class="linenos">32</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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|
<span class="linenos">33</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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|
<span class="linenos">34</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
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|
<span class="linenos">35</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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|
<span class="linenos">36</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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<span class="linenos">37</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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|
<span class="linenos">38</span>
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|
<span class="linenos">39</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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|
<span class="linenos">40</span> <span class="n">spi</span><span class="p">,</span>
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|
<span class="linenos">41</span> <span class="mi">135</span><span class="p">,</span>
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|
<span class="linenos">42</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">43</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">44</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">45</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">46</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">47</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
|
|
<span class="linenos">48</span>
|
|
<span class="linenos">49</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
|
<span class="linenos">50</span> <span class="k">for</span> <span class="n">rotation</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">4</span><span class="p">):</span>
|
|
<span class="linenos">51</span> <span class="n">tft</span><span class="o">.</span><span class="n">rotation</span><span class="p">(</span><span class="n">rotation</span><span class="p">)</span>
|
|
<span class="linenos">52</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
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|
<span class="linenos">53</span> <span class="n">col_max</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span><span class="o">*</span><span class="mi">6</span>
|
|
<span class="linenos">54</span> <span class="n">row_max</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">55</span>
|
|
<span class="linenos">56</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">100</span><span class="p">):</span>
|
|
<span class="linenos">57</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span>
|
|
<span class="linenos">58</span> <span class="n">font</span><span class="p">,</span>
|
|
<span class="linenos">59</span> <span class="s2">"Hello!"</span><span class="p">,</span>
|
|
<span class="linenos">60</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">col_max</span><span class="p">),</span>
|
|
<span class="linenos">61</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">row_max</span><span class="p">),</span>
|
|
<span class="linenos">62</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
|
|
<span class="linenos">63</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">64</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">65</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">)),</span>
|
|
<span class="linenos">66</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span>
|
|
<span class="linenos">67</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">68</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">),</span>
|
|
<span class="linenos">69</span> <span class="n">random</span><span class="o">.</span><span class="n">getrandbits</span><span class="p">(</span><span class="mi">8</span><span class="p">))</span>
|
|
<span class="linenos">70</span> <span class="p">)</span>
|
|
<span class="linenos">71</span>
|
|
<span class="linenos">72</span>
|
|
<span class="linenos">73</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="feathers-py">
|
|
<h3>feathers.py<a class="headerlink" href="#feathers-py" title="Permalink to this headline"></a></h3>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">feathers.py</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Smoothly scroll mirrored rainbow colored random curves across the display.</span>
|
|
<span class="linenos"> 5</span>
|
|
<span class="linenos"> 6</span><span class="sd">"""</span>
|
|
<span class="linenos"> 7</span>
|
|
<span class="linenos"> 8</span><span class="kn">import</span> <span class="nn">random</span>
|
|
<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">math</span>
|
|
<span class="linenos"> 10</span><span class="kn">import</span> <span class="nn">utime</span>
|
|
<span class="linenos"> 11</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
|
|
<span class="linenos"> 12</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos"> 13</span>
|
|
<span class="linenos"> 14</span>
|
|
<span class="linenos"> 15</span><span class="k">def</span> <span class="nf">between</span><span class="p">(</span><span class="n">left</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">along</span><span class="p">):</span>
|
|
<span class="linenos"> 16</span> <span class="sd">"""returns a point along the curve from left to right"""</span>
|
|
<span class="linenos"> 17</span> <span class="n">dist</span> <span class="o">=</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">math</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="n">along</span> <span class="o">*</span> <span class="n">math</span><span class="o">.</span><span class="n">pi</span><span class="p">))</span> <span class="o">/</span> <span class="mi">2</span>
|
|
<span class="linenos"> 18</span> <span class="k">return</span> <span class="n">left</span> <span class="o">*</span> <span class="p">(</span><span class="mi">1</span> <span class="o">-</span> <span class="n">dist</span><span class="p">)</span> <span class="o">+</span> <span class="n">right</span> <span class="o">*</span> <span class="n">dist</span>
|
|
<span class="linenos"> 19</span>
|
|
<span class="linenos"> 20</span>
|
|
<span class="linenos"> 21</span><span class="k">def</span> <span class="nf">color_wheel</span><span class="p">(</span><span class="n">position</span><span class="p">):</span>
|
|
<span class="linenos"> 22</span> <span class="sd">"""returns a 565 color from the given position of the color wheel"""</span>
|
|
<span class="linenos"> 23</span> <span class="n">position</span> <span class="o">=</span> <span class="p">(</span><span class="mi">255</span> <span class="o">-</span> <span class="n">position</span><span class="p">)</span> <span class="o">%</span> <span class="mi">255</span>
|
|
<span class="linenos"> 24</span>
|
|
<span class="linenos"> 25</span> <span class="k">if</span> <span class="n">position</span> <span class="o"><</span> <span class="mi">85</span><span class="p">:</span>
|
|
<span class="linenos"> 26</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">)</span>
|
|
<span class="linenos"> 27</span>
|
|
<span class="linenos"> 28</span> <span class="k">if</span> <span class="n">position</span> <span class="o"><</span> <span class="mi">170</span><span class="p">:</span>
|
|
<span class="linenos"> 29</span> <span class="n">position</span> <span class="o">-=</span> <span class="mi">85</span>
|
|
<span class="linenos"> 30</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">)</span>
|
|
<span class="linenos"> 31</span>
|
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<span class="linenos"> 32</span> <span class="n">position</span> <span class="o">-=</span> <span class="mi">170</span>
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<span class="linenos"> 33</span> <span class="k">return</span> <span class="n">st7789</span><span class="o">.</span><span class="n">color565</span><span class="p">(</span><span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">255</span> <span class="o">-</span> <span class="n">position</span> <span class="o">*</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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<span class="linenos"> 34</span>
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<span class="linenos"> 35</span>
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<span class="linenos"> 36</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos"> 37</span> <span class="sd">'''</span>
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<span class="linenos"> 38</span><span class="sd"> The big show!</span>
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<span class="linenos"> 39</span><span class="sd"> '''</span>
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<span class="linenos"> 40</span> <span class="c1">#enable display and clear screen</span>
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<span class="linenos"> 41</span>
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<span class="linenos"> 42</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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<span class="linenos"> 43</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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<span class="linenos"> 44</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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<span class="linenos"> 45</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
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<span class="linenos"> 46</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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<span class="linenos"> 47</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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<span class="linenos"> 48</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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<span class="linenos"> 49</span>
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<span class="linenos"> 50</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos"> 51</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos"> 52</span> <span class="mi">135</span><span class="p">,</span>
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<span class="linenos"> 53</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos"> 54</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 55</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 56</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos"> 57</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos"> 58</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
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<span class="linenos"> 59</span>
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<span class="linenos"> 60</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># clear screen</span>
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<span class="linenos"> 61</span>
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<span class="linenos"> 62</span> <span class="n">height</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="c1"># height of display in pixels</span>
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<span class="linenos"> 63</span> <span class="n">width</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="c1"># width if display in pixels</span>
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<span class="linenos"> 64</span>
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<span class="linenos"> 65</span> <span class="n">tfa</span> <span class="o">=</span> <span class="mi">40</span> <span class="c1"># top free area when scrolling</span>
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<span class="linenos"> 66</span> <span class="n">bfa</span> <span class="o">=</span> <span class="mi">40</span> <span class="c1"># bottom free area when scrolling</span>
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<span class="linenos"> 67</span>
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<span class="linenos"> 68</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># scroll position</span>
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<span class="linenos"> 69</span> <span class="n">wheel</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># color wheel position</span>
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<span class="linenos"> 70</span>
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<span class="linenos"> 71</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="n">tfa</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="n">bfa</span><span class="p">)</span> <span class="c1"># set scroll area</span>
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<span class="linenos"> 72</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span> <span class="c1"># set scroll position</span>
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<span class="linenos"> 73</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># clear screen</span>
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<span class="linenos"> 74</span>
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<span class="linenos"> 75</span> <span class="n">half</span> <span class="o">=</span> <span class="p">(</span><span class="n">height</span> <span class="o">>></span> <span class="mi">1</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span> <span class="c1"># half the height of the dislay</span>
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<span class="linenos"> 76</span> <span class="n">interval</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># steps between new points</span>
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<span class="linenos"> 77</span> <span class="n">increment</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># increment per step</span>
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<span class="linenos"> 78</span> <span class="n">counter</span> <span class="o">=</span> <span class="mi">1</span> <span class="c1"># step counter, overflow to start</span>
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<span class="linenos"> 79</span> <span class="n">current_y</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># current_y value (right point)</span>
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<span class="linenos"> 80</span> <span class="n">last_y</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># last_y value (left point)</span>
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<span class="linenos"> 81</span>
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<span class="linenos"> 82</span> <span class="c1"># segment offsets</span>
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<span class="linenos"> 83</span> <span class="n">x_offsets</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span> <span class="o">*</span> <span class="p">(</span><span class="n">width</span> <span class="o">//</span> <span class="mi">8</span><span class="p">)</span> <span class="o">-</span><span class="mi">1</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">9</span><span class="p">)]</span>
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<span class="linenos"> 84</span>
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<span class="linenos"> 85</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="linenos"> 86</span> <span class="c1"># when the counter exceeds the interval, save current_y to last_y,</span>
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<span class="linenos"> 87</span> <span class="c1"># choose a new random value for current_y between 0 and 1/2 the</span>
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<span class="linenos"> 88</span> <span class="c1"># height of the display, choose a new random interval then reset</span>
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<span class="linenos"> 89</span> <span class="c1"># the counter to 0</span>
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<span class="linenos"> 90</span>
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<span class="linenos"> 91</span> <span class="k">if</span> <span class="n">counter</span> <span class="o">></span> <span class="n">interval</span><span class="p">:</span>
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<span class="linenos"> 92</span> <span class="n">last_y</span> <span class="o">=</span> <span class="n">current_y</span>
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<span class="linenos"> 93</span> <span class="n">current_y</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">half</span><span class="p">)</span>
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<span class="linenos"> 94</span> <span class="n">counter</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos"> 95</span> <span class="n">interval</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span> <span class="mi">100</span><span class="p">)</span>
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<span class="linenos"> 96</span> <span class="n">increment</span> <span class="o">=</span> <span class="mi">1</span><span class="o">/</span><span class="n">interval</span> <span class="c1"># increment per step</span>
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<span class="linenos"> 97</span>
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<span class="linenos"> 98</span> <span class="c1"># clear the first column of the display and scroll it</span>
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<span class="linenos"> 99</span> <span class="n">tft</span><span class="o">.</span><span class="n">vline</span><span class="p">(</span><span class="n">scroll</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">height</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
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<span class="linenos">100</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span>
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<span class="linenos">101</span>
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<span class="linenos">102</span> <span class="c1"># get the next point between last_y and current_y</span>
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<span class="linenos">103</span> <span class="n">tween</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="n">between</span><span class="p">(</span><span class="n">last_y</span><span class="p">,</span> <span class="n">current_y</span><span class="p">,</span> <span class="n">counter</span> <span class="o">*</span> <span class="n">increment</span><span class="p">))</span>
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<span class="linenos">104</span>
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<span class="linenos">105</span> <span class="c1"># draw mirrored pixels across the display at the offsets using the color_wheel effect</span>
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<span class="linenos">106</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">x_offset</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">x_offsets</span><span class="p">):</span>
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<span class="linenos">107</span> <span class="n">tft</span><span class="o">.</span><span class="n">pixel</span><span class="p">((</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">x_offset</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span><span class="p">,</span> <span class="n">half</span> <span class="o">+</span> <span class="n">tween</span><span class="p">,</span> <span class="n">color_wheel</span><span class="p">(</span><span class="n">wheel</span><span class="o">+</span><span class="p">(</span><span class="n">i</span><span class="o"><<</span><span class="mi">2</span><span class="p">)))</span>
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<span class="linenos">108</span> <span class="n">tft</span><span class="o">.</span><span class="n">pixel</span><span class="p">((</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">x_offset</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span><span class="p">,</span> <span class="n">half</span> <span class="o">-</span> <span class="n">tween</span><span class="p">,</span> <span class="n">color_wheel</span><span class="p">(</span><span class="n">wheel</span><span class="o">+</span><span class="p">(</span><span class="n">i</span><span class="o"><<</span><span class="mi">2</span><span class="p">)))</span>
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<span class="linenos">109</span>
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<span class="linenos">110</span> <span class="c1"># increment scroll, counter, and wheel</span>
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<span class="linenos">111</span> <span class="n">scroll</span> <span class="o">=</span> <span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">%</span> <span class="n">width</span>
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<span class="linenos">112</span> <span class="n">wheel</span> <span class="o">=</span> <span class="p">(</span><span class="n">wheel</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">%</span> <span class="mi">256</span>
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<span class="linenos">113</span> <span class="n">counter</span> <span class="o">+=</span> <span class="mi">1</span>
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<span class="linenos">114</span>
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<span class="linenos">115</span>
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<span class="linenos">116</span><span class="n">main</span><span class="p">()</span>
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</pre></div>
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</div>
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</section>
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<section id="fonts-py">
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<h3>fonts.py<a class="headerlink" href="#fonts-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">fonts.py</span>
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<span class="linenos"> 3</span>
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<span class="linenos"> 4</span><span class="sd"> Pages through all characters of four fonts on the LILYGO® TTGO T-Display.</span>
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<span class="linenos"> 5</span>
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<span class="linenos"> 6</span><span class="sd"> https://www.youtube.com/watch?v=2cnAhEucPD4</span>
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<span class="linenos"> 7</span>
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<span class="linenos"> 8</span><span class="sd">"""</span>
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<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">utime</span>
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<span class="linenos">10</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
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<span class="linenos">11</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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<span class="linenos">12</span>
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<span class="linenos">13</span><span class="c1"># Choose fonts</span>
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<span class="linenos">14</span>
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<span class="linenos">15</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
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<span class="linenos">16</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_8x8</span> <span class="k">as</span> <span class="n">font1</span>
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<span class="linenos">17</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
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<span class="linenos">18</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_8x16</span> <span class="k">as</span> <span class="n">font2</span>
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<span class="linenos">19</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
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<span class="linenos">20</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
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<span class="linenos">21</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
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<span class="linenos">22</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x16</span> <span class="k">as</span> <span class="n">font3</span>
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<span class="linenos">23</span><span class="c1"># from romfonts import vga1_16x32 as font</span>
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<span class="linenos">24</span><span class="c1"># from romfonts import vga1_bold_16x32 as font</span>
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<span class="linenos">25</span><span class="c1"># from romfonts import vga2_16x32 as font</span>
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<span class="linenos">26</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x32</span> <span class="k">as</span> <span class="n">font4</span>
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<span class="linenos">27</span>
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<span class="linenos">28</span>
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<span class="linenos">29</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
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<span class="linenos">30</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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<span class="linenos">31</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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<span class="linenos">32</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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<span class="linenos">33</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
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<span class="linenos">34</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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<span class="linenos">35</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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<span class="linenos">36</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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<span class="linenos">37</span>
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<span class="linenos">38</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos">39</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos">40</span> <span class="mi">135</span><span class="p">,</span>
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<span class="linenos">41</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">42</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">43</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">44</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">45</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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<span class="linenos">46</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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<span class="linenos">47</span>
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<span class="linenos">48</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="mi">40</span><span class="p">,</span> <span class="mi">240</span><span class="p">,</span> <span class="mi">40</span><span class="p">)</span>
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|
<span class="linenos">49</span>
|
|
<span class="linenos">50</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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|
<span class="linenos">51</span> <span class="k">for</span> <span class="n">font</span> <span class="ow">in</span> <span class="p">(</span><span class="n">font1</span><span class="p">,</span> <span class="n">font2</span><span class="p">,</span> <span class="n">font3</span><span class="p">,</span> <span class="n">font4</span><span class="p">):</span>
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|
<span class="linenos">52</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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<span class="linenos">53</span> <span class="n">line</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos">54</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
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<span class="linenos">55</span>
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|
<span class="linenos">56</span> <span class="k">for</span> <span class="n">char</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">font</span><span class="o">.</span><span class="n">FIRST</span><span class="p">,</span> <span class="n">font</span><span class="o">.</span><span class="n">LAST</span><span class="p">):</span>
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|
<span class="linenos">57</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="nb">chr</span><span class="p">(</span><span class="n">char</span><span class="p">),</span> <span class="n">col</span><span class="p">,</span> <span class="n">line</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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|
<span class="linenos">58</span> <span class="n">col</span> <span class="o">+=</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span>
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|
<span class="linenos">59</span> <span class="k">if</span> <span class="n">col</span> <span class="o">></span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">WIDTH</span><span class="p">:</span>
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|
<span class="linenos">60</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">61</span> <span class="n">line</span> <span class="o">+=</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
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|
<span class="linenos">62</span>
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|
<span class="linenos">63</span> <span class="k">if</span> <span class="n">line</span> <span class="o">></span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="o">-</span><span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span><span class="p">:</span>
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|
<span class="linenos">64</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
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|
<span class="linenos">65</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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|
<span class="linenos">66</span> <span class="n">line</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">67</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span>
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|
<span class="linenos">68</span>
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|
<span class="linenos">69</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
|
|
<span class="linenos">70</span>
|
|
<span class="linenos">71</span>
|
|
<span class="linenos">72</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
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|
</section>
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|
<section id="scroll-py">
|
|
<h3>scroll.py<a class="headerlink" href="#scroll-py" title="Permalink to this headline"></a></h3>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
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<span class="linenos"> 2</span><span class="sd">scroll.py</span>
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|
<span class="linenos"> 3</span>
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|
<span class="linenos"> 4</span><span class="sd"> Smoothly scrolls all font characters up the screen on the LILYGO® TTGO</span>
|
|
<span class="linenos"> 5</span><span class="sd"> T-Display. Only works with fonts with heights that are even multiples of</span>
|
|
<span class="linenos"> 6</span><span class="sd"> the screen height, (i.e. 8 or 16 pixels high)</span>
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|
<span class="linenos"> 7</span>
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|
<span class="linenos"> 8</span><span class="sd">"""</span>
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|
<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">utime</span>
|
|
<span class="linenos">10</span><span class="kn">import</span> <span class="nn">random</span>
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|
<span class="linenos">11</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
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|
<span class="linenos">12</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
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|
<span class="linenos">13</span>
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|
<span class="linenos">14</span><span class="c1"># choose a font</span>
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|
<span class="linenos">15</span>
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|
<span class="linenos">16</span><span class="c1"># from romfonts import vga1_8x8 as font</span>
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|
<span class="linenos">17</span><span class="c1"># from romfonts import vga2_8x8 as font</span>
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|
<span class="linenos">18</span><span class="c1"># from romfonts import vga1_8x16 as font</span>
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|
<span class="linenos">19</span><span class="c1"># from romfonts import vga2_8x16 as font</span>
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|
<span class="linenos">20</span><span class="c1"># from romfonts import vga1_16x16 as font</span>
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|
<span class="linenos">21</span><span class="c1"># from romfonts import vga1_bold_16x16 as font</span>
|
|
<span class="linenos">22</span><span class="c1"># from romfonts import vga2_16x16 as font</span>
|
|
<span class="linenos">23</span><span class="kn">from</span> <span class="nn">romfonts</span> <span class="kn">import</span> <span class="n">vga2_bold_16x16</span> <span class="k">as</span> <span class="n">font</span>
|
|
<span class="linenos">24</span>
|
|
<span class="linenos">25</span>
|
|
<span class="linenos">26</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">27</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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|
<span class="linenos">28</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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|
<span class="linenos">29</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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|
<span class="linenos">30</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
|
<span class="linenos">31</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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|
<span class="linenos">32</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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|
<span class="linenos">33</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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|
<span class="linenos">34</span>
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|
<span class="linenos">35</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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|
<span class="linenos">36</span> <span class="n">spi</span><span class="p">,</span>
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|
<span class="linenos">37</span> <span class="mi">135</span><span class="p">,</span>
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|
<span class="linenos">38</span> <span class="mi">240</span><span class="p">,</span>
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|
<span class="linenos">39</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">40</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">41</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">42</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">43</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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|
<span class="linenos">44</span>
|
|
<span class="linenos">45</span> <span class="n">last_line</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span> <span class="o">-</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">46</span> <span class="n">tfa</span> <span class="o">=</span> <span class="mi">40</span>
|
|
<span class="linenos">47</span> <span class="n">tfb</span> <span class="o">=</span> <span class="mi">40</span>
|
|
<span class="linenos">48</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscrdef</span><span class="p">(</span><span class="n">tfa</span><span class="p">,</span> <span class="mi">240</span><span class="p">,</span> <span class="n">tfb</span><span class="p">)</span>
|
|
<span class="linenos">49</span>
|
|
<span class="linenos">50</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
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|
<span class="linenos">51</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">52</span> <span class="n">character</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">53</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
|
<span class="linenos">54</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">scroll</span><span class="p">,</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">55</span>
|
|
<span class="linenos">56</span> <span class="k">if</span> <span class="n">scroll</span> <span class="o">%</span> <span class="n">font</span><span class="o">.</span><span class="n">HEIGHT</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
|
<span class="linenos">57</span> <span class="n">tft</span><span class="o">.</span><span class="n">text</span><span class="p">(</span>
|
|
<span class="linenos">58</span> <span class="n">font</span><span class="p">,</span>
|
|
<span class="linenos">59</span> <span class="s1">'</span><span class="se">\\</span><span class="s1">x</span><span class="si">{:02x}</span><span class="s1">= </span><span class="si">{:s}</span><span class="s1"> '</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">character</span><span class="p">,</span> <span class="nb">chr</span><span class="p">(</span><span class="n">character</span><span class="p">)),</span>
|
|
<span class="linenos">60</span> <span class="mi">0</span><span class="p">,</span>
|
|
<span class="linenos">61</span> <span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">last_line</span><span class="p">)</span> <span class="o">%</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">,</span>
|
|
<span class="linenos">62</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">,</span>
|
|
<span class="linenos">63</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">64</span>
|
|
<span class="linenos">65</span> <span class="n">character</span> <span class="o">=</span> <span class="n">character</span> <span class="o">+</span> <span class="mi">1</span> <span class="k">if</span> <span class="n">character</span> <span class="o"><</span> <span class="mi">256</span> <span class="k">else</span> <span class="mi">0</span>
|
|
<span class="linenos">66</span>
|
|
<span class="linenos">67</span> <span class="n">tft</span><span class="o">.</span><span class="n">vscsad</span><span class="p">(</span><span class="n">scroll</span> <span class="o">+</span> <span class="n">tfa</span><span class="p">)</span>
|
|
<span class="linenos">68</span> <span class="n">scroll</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="linenos">69</span>
|
|
<span class="linenos">70</span> <span class="k">if</span> <span class="n">scroll</span> <span class="o">==</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span><span class="p">:</span>
|
|
<span class="linenos">71</span> <span class="n">scroll</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">72</span>
|
|
<span class="linenos">73</span> <span class="n">utime</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mf">0.01</span><span class="p">)</span>
|
|
<span class="linenos">74</span>
|
|
<span class="linenos">75</span>
|
|
<span class="linenos">76</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="toasters-py">
|
|
<h3>toasters.py<a class="headerlink" href="#toasters-py" title="Permalink to this headline"></a></h3>
|
|
<p>Flying toasters sprite demo using bitmaps created from spritesheet using the imgtobitmap.py utility.
|
|
See the maketoast script in the utils directory for details. See the 320x240 toasters example for
|
|
a more advanced example that uses the sprites2bitmap utility and indexed bitmaps.</p>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">toasters.py</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> An example using bitmap to draw sprites on the display.</span>
|
|
<span class="linenos"> 5</span>
|
|
<span class="linenos"> 6</span><span class="sd"> Spritesheet from CircuitPython_Flying_Toasters</span>
|
|
<span class="linenos"> 7</span><span class="sd"> https://learn.adafruit.com/circuitpython-sprite-animation-pendant-mario-clouds-flying-toasters</span>
|
|
<span class="linenos"> 8</span>
|
|
<span class="linenos"> 9</span><span class="sd">"""</span>
|
|
<span class="linenos">10</span>
|
|
<span class="linenos">11</span><span class="kn">import</span> <span class="nn">random</span>
|
|
<span class="linenos">12</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
|
|
<span class="linenos">13</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos">14</span><span class="kn">import</span> <span class="nn">t1</span><span class="o">,</span> <span class="nn">t2</span><span class="o">,</span> <span class="nn">t3</span><span class="o">,</span> <span class="nn">t4</span><span class="o">,</span> <span class="nn">t5</span>
|
|
<span class="linenos">15</span>
|
|
<span class="linenos">16</span><span class="n">TOASTERS</span> <span class="o">=</span> <span class="p">[</span><span class="n">t1</span><span class="p">,</span> <span class="n">t2</span><span class="p">,</span> <span class="n">t3</span><span class="p">,</span> <span class="n">t4</span><span class="p">]</span>
|
|
<span class="linenos">17</span><span class="n">TOAST</span> <span class="o">=</span> <span class="p">[</span><span class="n">t5</span><span class="p">]</span>
|
|
<span class="linenos">18</span>
|
|
<span class="linenos">19</span>
|
|
<span class="linenos">20</span><span class="k">class</span> <span class="nc">toast</span><span class="p">():</span>
|
|
<span class="linenos">21</span> <span class="sd">'''</span>
|
|
<span class="linenos">22</span><span class="sd"> toast class to keep track of a sprites locaton and step</span>
|
|
<span class="linenos">23</span><span class="sd"> '''</span>
|
|
<span class="linenos">24</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">sprites</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
|
|
<span class="linenos">25</span> <span class="bp">self</span><span class="o">.</span><span class="n">sprites</span> <span class="o">=</span> <span class="n">sprites</span>
|
|
<span class="linenos">26</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">sprites</span><span class="p">)</span>
|
|
<span class="linenos">27</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">x</span>
|
|
<span class="linenos">28</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">y</span>
|
|
<span class="linenos">29</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="linenos">30</span> <span class="bp">self</span><span class="o">.</span><span class="n">speed</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
|
|
<span class="linenos">31</span>
|
|
<span class="linenos">32</span> <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
|
<span class="linenos">33</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o"><=</span> <span class="mi">0</span><span class="p">:</span>
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|
<span class="linenos">34</span> <span class="bp">self</span><span class="o">.</span><span class="n">speed</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">5</span><span class="p">)</span>
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|
<span class="linenos">35</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="mi">135</span> <span class="o">-</span> <span class="mi">64</span>
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|
<span class="linenos">36</span>
|
|
<span class="linenos">37</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">+=</span> <span class="mi">1</span>
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|
<span class="linenos">38</span> <span class="bp">self</span><span class="o">.</span><span class="n">step</span> <span class="o">%=</span> <span class="bp">self</span><span class="o">.</span><span class="n">steps</span>
|
|
<span class="linenos">39</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">-=</span> <span class="bp">self</span><span class="o">.</span><span class="n">speed</span>
|
|
<span class="linenos">40</span>
|
|
<span class="linenos">41</span>
|
|
<span class="linenos">42</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">43</span> <span class="sd">"""</span>
|
|
<span class="linenos">44</span><span class="sd"> Initialize the display and draw flying toasters and toast</span>
|
|
<span class="linenos">45</span><span class="sd"> """</span>
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|
<span class="linenos">46</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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|
<span class="linenos">47</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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|
<span class="linenos">48</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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|
<span class="linenos">49</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
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|
<span class="linenos">50</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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|
<span class="linenos">51</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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|
<span class="linenos">52</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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|
<span class="linenos">53</span>
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|
<span class="linenos">54</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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|
<span class="linenos">55</span> <span class="n">spi</span><span class="p">,</span>
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|
<span class="linenos">56</span> <span class="mi">135</span><span class="p">,</span>
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|
<span class="linenos">57</span> <span class="mi">240</span><span class="p">,</span>
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|
<span class="linenos">58</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">59</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">60</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">61</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">62</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
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|
<span class="linenos">63</span>
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|
<span class="linenos">64</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">65</span> <span class="c1"># create toast spites in random positions</span>
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|
<span class="linenos">66</span> <span class="n">sprites</span> <span class="o">=</span> <span class="p">[</span>
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|
<span class="linenos">67</span> <span class="n">toast</span><span class="p">(</span><span class="n">TOASTERS</span><span class="p">,</span> <span class="mi">135</span><span class="o">-</span><span class="mi">64</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
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|
<span class="linenos">68</span> <span class="n">toast</span><span class="p">(</span><span class="n">TOAST</span><span class="p">,</span> <span class="mi">135</span><span class="o">-</span><span class="mi">64</span><span class="o">*</span><span class="mi">2</span><span class="p">,</span> <span class="mi">80</span><span class="p">),</span>
|
|
<span class="linenos">69</span> <span class="n">toast</span><span class="p">(</span><span class="n">TOASTERS</span><span class="p">,</span> <span class="mi">135</span><span class="o">-</span><span class="mi">64</span><span class="o">*</span><span class="mi">4</span><span class="p">,</span> <span class="mi">160</span><span class="p">)</span>
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|
<span class="linenos">70</span> <span class="p">]</span>
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|
<span class="linenos">71</span>
|
|
<span class="linenos">72</span> <span class="c1"># move and draw sprites</span>
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|
<span class="linenos">73</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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|
<span class="linenos">74</span> <span class="k">for</span> <span class="n">man</span> <span class="ow">in</span> <span class="n">sprites</span><span class="p">:</span>
|
|
<span class="linenos">75</span> <span class="n">bitmap</span> <span class="o">=</span> <span class="n">man</span><span class="o">.</span><span class="n">sprites</span><span class="p">[</span><span class="n">man</span><span class="o">.</span><span class="n">step</span><span class="p">]</span>
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|
<span class="linenos">76</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
|
|
<span class="linenos">77</span> <span class="n">man</span><span class="o">.</span><span class="n">x</span><span class="o">+</span><span class="n">bitmap</span><span class="o">.</span><span class="n">WIDTH</span><span class="o">-</span><span class="n">man</span><span class="o">.</span><span class="n">speed</span><span class="p">,</span>
|
|
<span class="linenos">78</span> <span class="n">man</span><span class="o">.</span><span class="n">y</span><span class="p">,</span>
|
|
<span class="linenos">79</span> <span class="n">man</span><span class="o">.</span><span class="n">speed</span><span class="p">,</span>
|
|
<span class="linenos">80</span> <span class="n">bitmap</span><span class="o">.</span><span class="n">HEIGHT</span><span class="p">,</span>
|
|
<span class="linenos">81</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">82</span>
|
|
<span class="linenos">83</span> <span class="n">man</span><span class="o">.</span><span class="n">move</span><span class="p">()</span>
|
|
<span class="linenos">84</span>
|
|
<span class="linenos">85</span> <span class="k">if</span> <span class="n">man</span><span class="o">.</span><span class="n">x</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
|
<span class="linenos">86</span> <span class="n">tft</span><span class="o">.</span><span class="n">bitmap</span><span class="p">(</span><span class="n">bitmap</span><span class="p">,</span> <span class="n">man</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">man</span><span class="o">.</span><span class="n">y</span><span class="p">)</span>
|
|
<span class="linenos">87</span> <span class="k">else</span><span class="p">:</span>
|
|
<span class="linenos">88</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill_rect</span><span class="p">(</span>
|
|
<span class="linenos">89</span> <span class="mi">0</span><span class="p">,</span>
|
|
<span class="linenos">90</span> <span class="n">man</span><span class="o">.</span><span class="n">y</span><span class="p">,</span>
|
|
<span class="linenos">91</span> <span class="n">bitmap</span><span class="o">.</span><span class="n">WIDTH</span><span class="p">,</span>
|
|
<span class="linenos">92</span> <span class="n">bitmap</span><span class="o">.</span><span class="n">HEIGHT</span><span class="p">,</span>
|
|
<span class="linenos">93</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">94</span>
|
|
<span class="linenos">95</span>
|
|
<span class="linenos">96</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="chango-py">
|
|
<h3>chango.py<a class="headerlink" href="#chango-py" title="Permalink to this headline"></a></h3>
|
|
<p>Test for font2bitmap converter for the driver.
|
|
See the font2bitmap program in the utils directory.</p>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">chango.py</span>
|
|
<span class="linenos"> 3</span>
|
|
<span class="linenos"> 4</span><span class="sd"> Test for font2bitmap converter for the driver.</span>
|
|
<span class="linenos"> 5</span><span class="sd"> See the font2bitmap program in the utils directory.</span>
|
|
<span class="linenos"> 6</span><span class="sd">"""</span>
|
|
<span class="linenos"> 7</span>
|
|
<span class="linenos"> 8</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">Pin</span><span class="p">,</span> <span class="n">SoftSPI</span>
|
|
<span class="linenos"> 9</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos">10</span><span class="kn">import</span> <span class="nn">gc</span>
|
|
<span class="linenos">11</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">chango_16</span> <span class="k">as</span> <span class="n">font_16</span>
|
|
<span class="linenos">12</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">chango_32</span> <span class="k">as</span> <span class="n">font_32</span>
|
|
<span class="linenos">13</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">chango_64</span> <span class="k">as</span> <span class="n">font_64</span>
|
|
<span class="linenos">14</span>
|
|
<span class="linenos">15</span><span class="n">gc</span><span class="o">.</span><span class="n">collect</span><span class="p">()</span>
|
|
<span class="linenos">16</span>
|
|
<span class="linenos">17</span>
|
|
<span class="linenos">18</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">19</span> <span class="c1"># enable display and clear screen</span>
|
|
<span class="linenos">20</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
|
|
<span class="linenos">21</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
|
|
<span class="linenos">22</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="linenos">23</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
|
<span class="linenos">24</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
|
|
<span class="linenos">25</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
|
|
<span class="linenos">26</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
|
|
<span class="linenos">27</span>
|
|
<span class="linenos">28</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
|
|
<span class="linenos">29</span> <span class="n">spi</span><span class="p">,</span>
|
|
<span class="linenos">30</span> <span class="mi">135</span><span class="p">,</span>
|
|
<span class="linenos">31</span> <span class="mi">240</span><span class="p">,</span>
|
|
<span class="linenos">32</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">33</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">34</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">35</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">36</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="linenos">37</span>
|
|
<span class="linenos">38</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">39</span>
|
|
<span class="linenos">40</span> <span class="n">row</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="linenos">41</span> <span class="n">tft</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">font_16</span><span class="p">,</span> <span class="s2">"abcdefghijklmnopqrst"</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">RED</span><span class="p">)</span>
|
|
<span class="linenos">42</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">font_16</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">43</span>
|
|
<span class="linenos">44</span> <span class="n">tft</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">font_32</span><span class="p">,</span> <span class="s2">"abcdefghij"</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">GREEN</span><span class="p">)</span>
|
|
<span class="linenos">45</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">font_32</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">46</span>
|
|
<span class="linenos">47</span> <span class="n">tft</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">font_64</span><span class="p">,</span> <span class="s2">"abcd"</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">48</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">font_64</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">49</span>
|
|
<span class="linenos">50</span>
|
|
<span class="linenos">51</span><span class="n">main</span><span class="p">()</span>
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
|
<section id="noto-fonts-py">
|
|
<h3>noto_fonts.py<a class="headerlink" href="#noto-fonts-py" title="Permalink to this headline"></a></h3>
|
|
<p>Test for font2bitmap converter for the driver.
|
|
See the font2bitmap program in the utils directory.</p>
|
|
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
|
<span class="linenos"> 2</span><span class="sd">noto_fonts Writes the names of three Noto fonts centered on the display</span>
|
|
<span class="linenos"> 3</span><span class="sd"> using the font. The fonts were converted from True Type fonts using</span>
|
|
<span class="linenos"> 4</span><span class="sd"> the font2bitmap utility.</span>
|
|
<span class="linenos"> 5</span><span class="sd">"""</span>
|
|
<span class="linenos"> 6</span>
|
|
<span class="linenos"> 7</span><span class="kn">from</span> <span class="nn">machine</span> <span class="kn">import</span> <span class="n">SoftSPI</span><span class="p">,</span> <span class="n">Pin</span>
|
|
<span class="linenos"> 8</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
|
<span class="linenos"> 9</span>
|
|
<span class="linenos">10</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">NotoSans_32</span> <span class="k">as</span> <span class="n">noto_sans</span>
|
|
<span class="linenos">11</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">NotoSerif_32</span> <span class="k">as</span> <span class="n">noto_serif</span>
|
|
<span class="linenos">12</span><span class="kn">from</span> <span class="nn">truetype</span> <span class="kn">import</span> <span class="n">NotoSansMono_32</span> <span class="k">as</span> <span class="n">noto_mono</span>
|
|
<span class="linenos">13</span>
|
|
<span class="linenos">14</span>
|
|
<span class="linenos">15</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
|
<span class="linenos">16</span>
|
|
<span class="linenos">17</span> <span class="k">def</span> <span class="nf">center</span><span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="n">string</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">):</span>
|
|
<span class="linenos">18</span> <span class="n">screen</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="c1"># get screen width</span>
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|
<span class="linenos">19</span> <span class="n">width</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">write_width</span><span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="n">string</span><span class="p">)</span> <span class="c1"># get the width of the string</span>
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<span class="linenos">20</span> <span class="k">if</span> <span class="n">width</span> <span class="ow">and</span> <span class="n">width</span> <span class="o"><</span> <span class="n">screen</span><span class="p">:</span> <span class="c1"># if the string < display</span>
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<span class="linenos">21</span> <span class="n">col</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span> <span class="o">//</span> <span class="mi">2</span> <span class="o">-</span> <span class="n">width</span> <span class="o">//</span> <span class="mi">2</span> <span class="c1"># find the column to center</span>
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<span class="linenos">22</span> <span class="k">else</span><span class="p">:</span> <span class="c1"># otherwise</span>
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<span class="linenos">23</span> <span class="n">col</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># left justify</span>
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<span class="linenos">24</span>
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<span class="linenos">25</span> <span class="n">tft</span><span class="o">.</span><span class="n">write</span><span class="p">(</span><span class="n">font</span><span class="p">,</span> <span class="n">string</span><span class="p">,</span> <span class="n">col</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">color</span><span class="p">)</span> <span class="c1"># and write the string</span>
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<span class="linenos">26</span>
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<span class="linenos">27</span> <span class="k">try</span><span class="p">:</span>
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<span class="linenos">28</span> <span class="n">spi</span> <span class="o">=</span> <span class="n">SoftSPI</span><span class="p">(</span>
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<span class="linenos">29</span> <span class="n">baudrate</span><span class="o">=</span><span class="mi">20000000</span><span class="p">,</span>
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|
<span class="linenos">30</span> <span class="n">polarity</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
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|
<span class="linenos">31</span> <span class="n">phase</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
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<span class="linenos">32</span> <span class="n">sck</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">18</span><span class="p">),</span>
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<span class="linenos">33</span> <span class="n">mosi</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">19</span><span class="p">),</span>
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<span class="linenos">34</span> <span class="n">miso</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">13</span><span class="p">))</span>
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<span class="linenos">35</span>
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<span class="linenos">36</span> <span class="n">tft</span> <span class="o">=</span> <span class="n">st7789</span><span class="o">.</span><span class="n">ST7789</span><span class="p">(</span>
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<span class="linenos">37</span> <span class="n">spi</span><span class="p">,</span>
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<span class="linenos">38</span> <span class="mi">135</span><span class="p">,</span>
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|
<span class="linenos">39</span> <span class="mi">240</span><span class="p">,</span>
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<span class="linenos">40</span> <span class="n">reset</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">23</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">41</span> <span class="n">cs</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
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|
<span class="linenos">42</span> <span class="n">dc</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">43</span> <span class="n">backlight</span><span class="o">=</span><span class="n">Pin</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="n">Pin</span><span class="o">.</span><span class="n">OUT</span><span class="p">),</span>
|
|
<span class="linenos">44</span> <span class="n">rotation</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="linenos">45</span>
|
|
<span class="linenos">46</span> <span class="c1"># enable display and clear screen</span>
|
|
<span class="linenos">47</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
|
<span class="linenos">48</span>
|
|
<span class="linenos">49</span> <span class="n">row</span> <span class="o">=</span> <span class="mi">16</span>
|
|
<span class="linenos">50</span>
|
|
<span class="linenos">51</span> <span class="c1"># center the name of the first font, using the font</span>
|
|
<span class="linenos">52</span> <span class="n">center</span><span class="p">(</span><span class="n">noto_sans</span><span class="p">,</span> <span class="s2">"NotoSans"</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">RED</span><span class="p">)</span>
|
|
<span class="linenos">53</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">noto_sans</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">54</span>
|
|
<span class="linenos">55</span> <span class="c1"># center the name of the second font, using the font</span>
|
|
<span class="linenos">56</span> <span class="n">center</span><span class="p">(</span><span class="n">noto_serif</span><span class="p">,</span> <span class="s2">"NotoSerif"</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">GREEN</span><span class="p">)</span>
|
|
<span class="linenos">57</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">noto_serif</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">58</span>
|
|
<span class="linenos">59</span> <span class="c1"># center the name of the third font, using the font</span>
|
|
<span class="linenos">60</span> <span class="n">center</span><span class="p">(</span><span class="n">noto_mono</span><span class="p">,</span> <span class="s2">"NotoSansMono"</span><span class="p">,</span> <span class="n">row</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLUE</span><span class="p">)</span>
|
|
<span class="linenos">61</span> <span class="n">row</span> <span class="o">+=</span> <span class="n">noto_mono</span><span class="o">.</span><span class="n">HEIGHT</span>
|
|
<span class="linenos">62</span>
|
|
<span class="linenos">63</span> <span class="k">finally</span><span class="p">:</span>
|
|
<span class="linenos">64</span> <span class="c1"># shutdown spi</span>
|
|
<span class="linenos">65</span> <span class="k">if</span> <span class="s1">'spi'</span> <span class="ow">in</span> <span class="nb">locals</span><span class="p">():</span>
|
|
<span class="linenos">66</span> <span class="n">spi</span><span class="o">.</span><span class="n">deinit</span><span class="p">()</span>
|
|
<span class="linenos">67</span>
|
|
<span class="linenos">68</span>
|
|
<span class="linenos">69</span><span class="n">main</span><span class="p">()</span>
|
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</pre></div>
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