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52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
5 years ago
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"""ILI9341 demo (Scrolling Marquee)."""
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from ili9341 import Display, color565
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from time import sleep
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from sys import implementation
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def test():
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"""Scrolling Marquee."""
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try:
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# Implementation dependant pin and SPI configuration
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if implementation.name == 'circuitpython':
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import board
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from busio import SPI
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from digitalio import DigitalInOut
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cs_pin = DigitalInOut(board.P0_15)
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dc_pin = DigitalInOut(board.P0_17)
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rst_pin = DigitalInOut(board.P0_20)
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spi = SPI(clock=board.P0_24, MOSI=board.P0_22)
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else:
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from machine import Pin, SPI
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cs_pin = Pin(16)
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dc_pin = Pin(4)
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rst_pin = Pin(17)
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# Baud rate of 40000000 seems about the max
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spi = SPI(2, baudrate=40000000, sck=Pin(18), mosi=Pin(23))
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# Create the ILI9341 display:
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display = Display(spi, dc=dc_pin, cs=cs_pin, rst=rst_pin)
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display.clear()
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# Draw non-moving circles
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display.fill_rectangle(0, 0, 239, 99, color565(27, 72, 156))
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display.fill_rectangle(0, 168, 239, 151, color565(220, 27, 72))
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# Load Marquee image
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display.draw_image('images\Rototron128x26.raw', 56, 120, 128, 26)
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# Set up scrolling
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display.set_scroll(top=100, bottom=152)
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spectrum = list(range(100, 153)) + list(reversed(range(100, 153)))
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while True:
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for y in spectrum:
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display.scroll(y)
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sleep(.1)
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except KeyboardInterrupt:
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display.cleanup()
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test()
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