kopia lustrzana https://github.com/russhughes/st7789py_mpy
77 wiersze
1.7 KiB
Python
77 wiersze
1.7 KiB
Python
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"""
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fonts.py
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Smoothly scrolls all font characters up the screen on the display.
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Only works with fonts with heights that are even multiples of
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the screen height, (i.e. 8 or 16 pixels high)
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"""
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import utime
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import random
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from machine import Pin, SoftSPI
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import st7789py as st7789
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# choose a font
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# from romfonts import vga1_8x8 as font
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# from romfonts import vga2_8x8 as font
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# from romfonts import vga1_8x16 as font
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# from romfonts import vga2_8x16 as font
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# from romfonts import vga1_16x16 as font
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# from romfonts import vga1_bold_16x16 as font
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# from romfonts import vga2_16x16 as font
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from romfonts import vga2_bold_16x16 as font
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def main():
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spi = SoftSPI(
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baudrate=20000000,
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polarity=1,
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phase=0,
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sck=Pin(18),
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mosi=Pin(19),
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miso=Pin(13))
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tft = st7789.ST7789(
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spi,
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320,
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240,
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reset=Pin(4, Pin.OUT),
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cs=Pin(13, Pin.OUT),
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dc=Pin(12, Pin.OUT),
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backlight=Pin(15, Pin.OUT),
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rotation=0)
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last_line = tft.height - font.HEIGHT
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tfa = 0
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tfb = 0
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tft.vscrdef(tfa, 240, tfb)
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tft.fill(st7789.BLUE)
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scroll = 0
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character = 0
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while True:
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tft.fill_rect(0, scroll, tft.width, 1, st7789.BLUE)
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if scroll % font.HEIGHT == 0:
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tft.text(
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font,
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'\\x{:02x}= {:s} '.format(character, chr(character)),
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0,
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(scroll + last_line) % tft.height,
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st7789.WHITE,
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st7789.BLUE)
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character = character + 1 if character < 256 else 0
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tft.vscsad(scroll + tfa)
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scroll += 1
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if scroll == tft.height:
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scroll = 0
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utime.sleep(0.01)
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main()
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