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52 lines
1.6 KiB
Python

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