75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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from machine import Pin, SPI, SoftSPI
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import pin_defs
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import gc9a01
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import gc
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import rp2
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class Screen():
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def __init__(self, softSPI=False):
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self.softSPI = softSPI
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self.sck = Pin(pin_defs.sck, Pin.OUT)
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self.data = Pin(pin_defs.data, Pin.OUT)
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self.dc = Pin(pin_defs.dc, Pin.OUT)
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self.init()
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def deinit(self):
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self.spi.deinit()
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## this does not appear to de-initialize the DMAs -- the enable bits are still set
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del(self.spi)
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del(self.tft)
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gc.collect()
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def init(self):
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if self.softSPI:
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self.spi = SoftSPI(baudrate=10_000_000, sck=self.sck, mosi=self.data, miso=Pin(pin_defs.throwaway))
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else:
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self.spi = SPI(0, baudrate=40_000_000, sck=self.sck, mosi=self.data)
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self.tft = gc9a01.GC9A01(self.spi, 240, 240,
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reset = Pin(pin_defs.reset, Pin.OUT),
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cs = Pin(pin_defs.throwaway, Pin.OUT), ## not used, grounded on board
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dc = self.dc,
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backlight = Pin(pin_defs.throwaway, Pin.OUT), ## not used, always on
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rotation = 0)
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self.tft.init()
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self.tft.fill(gc9a01.color565(10,15,10))
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if __name__ == "__main__":
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import time
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import random
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## instantiate and init
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s = Screen()
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## For everything you can do with the GC9A01 library:
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## https://github.com/russhughes/gc9a01_mpy
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s.tft.fill(gc9a01.BLUE)
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time.sleep_ms(500)
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s.tft.fill(gc9a01.YELLOW)
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time.sleep_ms(500)
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s.tft.fill(gc9a01.BLACK)
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phosphor_bright = gc9a01.color565(120, 247, 180)
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phosphor_dark = gc9a01.color565(45, 217, 80)
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## better graphic demo should go here
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for i in range(200):
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x1 = random.randint(0, 240)
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x2 = random.randint(0, 240)
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y1 = random.randint(0, 240)
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y2 = random.randint(0, 240)
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if i % 2:
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s.tft.line(x1, y1, x2, y2, phosphor_bright)
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else:
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s.tft.line(x1, y1, x2, y2, phosphor_dark)
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time.sleep_ms(20)
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