kopia lustrzana https://github.com/peterhinch/micropython-micro-gui
Initial commit of bitmap.py.
Peter Hinch
rodzic
0d25d5cbb8
commit
ed713ee081
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@ -23,6 +23,7 @@ _attrs = {
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"Slider": "sliders",
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"HorizSlider": "sliders",
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"Textbox": "textbox",
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"BMG": "bitmap",
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}
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# Lazy loader, effectively does:
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@ -0,0 +1,100 @@
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# bitmap.py Provides the BMG (bitmapped graphics) class
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2022 Peter Hinch
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import gc
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from framebuf import FrameBuffer, MONO_HLSB
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from gui.core.ugui import Widget
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from gui.core.colors import *
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from gui.core.ugui import ssd
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def rbit8(v):
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v = (v & 0x0f) << 4 | (v & 0xf0) >> 4
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v = (v & 0x33) << 2 | (v & 0xcc) >> 2
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return (v & 0x55) << 1 | (v & 0xaa) >> 1
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class BMG(Widget):
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@staticmethod
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def make_buffer(height, width):
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w = (width >> 3) + int(width & 7 > 0)
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return bytearray(height * w)
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def __init__(self, writer, row, col, height, width, scale=1, *, fgcolor=None, bgcolor=None, bdcolor=RED, buf=None):
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super().__init__(writer, row, col, height, width, fgcolor, bgcolor, bdcolor, False)
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if buf is None:
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buf = BMG.make_buffer(height, width)
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self._fb = FrameBuffer(buf, width, height, MONO_HLSB)
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self._scale = scale
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self._buf = buf
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def show(self):
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if super().show(True): # Draw or erase border
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palette = ssd.palette
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palette.bg(self.bgcolor)
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palette.fg(self.fgcolor)
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ssd.blit(self._fb, self.col, self.row, -1, palette)
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def color(self, fgcolor=None, bgcolor=None):
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if fgcolor is not None:
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self.fgcolor = fgcolor
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if bgcolor is not None:
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self.bgcolor = bgcolor
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self.draw = True
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def value(self, obj):
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if isinstance(obj, list): # 2d list of booleans
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self._fb.fill(1)
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s = self._scale
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wd = len(obj[0])
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ht = len(obj)
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if wd * s > self.width or ht * s > self.height:
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print('Object too large for buffer', wd * s, self.width, ht * s, self.height)
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else:
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print(f"Object is {wd} x {ht}")
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for row in range(ht):
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for col in range(wd):
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v = obj[row][col]
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for nc in range(s):
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for nr in range(s):
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self._fb.pixel(col * s + nc, row * s + nr, v)
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elif isinstance(obj, str): # Assume filename
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try:
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with open(obj, "r") as f:
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g = self.handle_stream(f)
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n = 0
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for x in g:
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self._buf[n] = rbit8(x)
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n += 1
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except OSError:
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print(f"Failed to input from {obj}")
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self.draw = True
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gc.collect()
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# TODO graphic must be exactly the right size. Get dims from file in app, pass stream?
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def handle_stream(self, f):
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m = self._scale
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s = f.readline()
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elements = s.split(" ")
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if elements[1].endswith("width"):
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wd = int(elements[2])
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else:
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raise OSError
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s = f.readline()
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elements = s.split(" ")
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if elements[1].endswith("height"):
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ht = int(elements[2])
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else:
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raise OSError
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if wd * m > self.width or ht * m > self.height:
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print("Object too large for buffer", wd * m, self.width, ht * m, self.height)
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raise OSError
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s = f.readline()
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if not s.startswith("static"):
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raise OSError
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while s := f.readline():
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if (lb := s.find("}")) != -1:
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s = s[:lb] # Strip trailing };
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p = s.strip().split(',')
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for x in p:
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if x:
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yield int(x, 16)
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@ -1,40 +1,56 @@
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# hardware_setup.py Customise for your hardware config
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# ili9341_pico.py Customise for your hardware config
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2021 Peter Hinch, Ihor Nehrutsa
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# Copyright (c) 2021 Peter Hinch
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# Supports:
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# Waveshare Pico LCD 1.14" 135*240(Pixel) based on ST7789V
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# https://www.waveshare.com/wiki/Pico-LCD-1.14
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# https://www.waveshare.com/pico-lcd-1.14.htm
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# As written, supports:
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# ili9341 240x320 displays on Pi Pico
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# Edit the driver import for other displays.
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from machine import Pin, SPI
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# Demo of initialisation procedure designed to minimise risk of memory fail
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# when instantiating the frame buffer. The aim is to do this as early as
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# possible before importing other modules.
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# WIRING
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# Pico Display
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# GPIO Pin
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# 3v3 36 Vin
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# IO6 9 CLK Hardware SPI0
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# IO7 10 DATA (AKA SI MOSI)
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# IO8 11 DC
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# IO9 12 Rst
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# Gnd 13 Gnd
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# IO10 14 CS
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# Pushbuttons are wired between the pin and Gnd
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# Pico pin Meaning
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# 16 Operate current control
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# 17 Decrease value of current control
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# 18 Select previous control
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# 19 Select next control
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# 20 Increase value of current control
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from machine import Pin, SPI, freq
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import gc
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from drivers.st7789.st7789_4bit import *
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SSD = ST7789
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mode = LANDSCAPE # Options PORTRAIT, USD, REFLECT combined with |
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from drivers.ili93xx.ili9341 import ILI9341 as SSD
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freq(250_000_000) # RP2 overclock
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# Create and export an SSD instance
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pdc = Pin(8, Pin.OUT, value=0) # Arbitrary pins
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prst = Pin(9, Pin.OUT, value=1)
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pcs = Pin(10, Pin.OUT, value=1)
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spi = SPI(0, baudrate=30_000_000)
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gc.collect() # Precaution before instantiating framebuf
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# Conservative low baudrate. Can go to 62.5MHz.
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spi = SPI(1, 30_000_000, sck=Pin(10), mosi=Pin(11), miso=None)
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pcs = Pin(9, Pin.OUT, value=1)
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prst = Pin(12, Pin.OUT, value=1)
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pbl = Pin(13, Pin.OUT, value=1)
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pdc = Pin(8, Pin.OUT, value=0)
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portrait = mode & PORTRAIT
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ht, wd = (240, 135) if portrait else (135, 240)
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ssd = SSD(spi, height=ht, width=wd, dc=pdc, cs=pcs, rst=prst, disp_mode=mode, display=TDISPLAY)
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ssd = SSD(spi, pcs, pdc, prst, usd=True)
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from gui.core.ugui import Display, quiet
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# quiet()
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# Create and export a Display instance
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from gui.core.ugui import Display
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# Define control buttons: adjust joystick orientation to match display
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# Orientation is only correct for basic LANDSCAPE and PORTRAIT modes
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pnxt, pprev, pin, pdec = (2, 18, 16, 20) if portrait else (20, 16, 2, 18)
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nxt = Pin(pnxt, Pin.IN, Pin.PULL_UP) # Move to next control
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sel = Pin(3, Pin.IN, Pin.PULL_UP) # Operate current control
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prev = Pin(pprev, Pin.IN, Pin.PULL_UP) # Move to previous control
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increase = Pin(pin, Pin.IN, Pin.PULL_UP) # Increase control's value
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decrease = Pin(pdec, Pin.IN, Pin.PULL_UP) # Decrease control's value
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display = Display(ssd, nxt, sel, prev, increase, decrease)
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# Define control buttons
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nxt = Pin(19, Pin.IN, Pin.PULL_UP) # Move to next control
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sel = Pin(16, Pin.IN, Pin.PULL_UP) # Operate current control
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prev = Pin(18, Pin.IN, Pin.PULL_UP) # Move to previous control
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increase = Pin(20, Pin.IN, Pin.PULL_UP) # Increase control's value
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decrease = Pin(17, Pin.IN, Pin.PULL_UP) # Decrease control's value
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# display = Display(ssd, nxt, sel, prev) # 3-button mode
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display = Display(ssd, nxt, sel, prev, increase, decrease, 4) # Encoder mode
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