kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
37 wiersze
1.3 KiB
Python
37 wiersze
1.3 KiB
Python
|
# waveshare_demo.py Allow standard demos to run on ePaper. Customise for your hardware config
|
||
|
|
|
||
|
|
# Released under the MIT License (MIT). See LICENSE.
|
||
|
|
# Copyright (c) 2020 Peter Hinch
|
||
|
|
|
||
|
|
# As written, supports:
|
||
|
|
# Waveshare 2.7" 264h*176w monochrome ePaper display:
|
||
|
|
# https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT
|
||
|
|
|
||
|
|
# Demo of initialisation procedure designed to minimise risk of memory fail
|
||
|
|
# when instantiating the frame buffer. The aim is to do this as early as
|
||
|
|
# possible before importing other modules.
|
||
|
|
|
||
|
|
# WIRING Pin numbers refer to RPI connector.
|
||
|
|
# Pyb ePaper
|
||
|
|
# Vin Vcc (2)
|
||
|
|
# Gnd Gnd (9)
|
||
|
|
# Y8 DIN MOSI (19)
|
||
|
|
# Y6 CLK SCK (23)
|
||
|
|
# Y4 BUSY (18) (Low = Busy)
|
||
|
|
# Y3 RST (11)
|
||
|
|
# Y2 CS (24)
|
||
|
|
# Y1 DC (22)
|
||
|
|
import machine
|
||
|
|
import gc
|
||
|
|
|
||
|
|
from drivers.epaper.epaper2in7_fb import EPD as SSD
|
||
|
|
|
||
|
|
pdc = machine.Pin('Y1', machine.Pin.OUT_PP, value=0)
|
||
|
|
pcs = machine.Pin('Y2', machine.Pin.OUT_PP, value=1)
|
||
|
|
prst = machine.Pin('Y3', machine.Pin.OUT_PP, value=1)
|
||
|
|
pbusy = machine.Pin('Y4', machine.Pin.IN)
|
||
|
|
spi = machine.SPI(2, baudrate=4_000_000) # From https://github.com/mcauser/micropython-waveshare-epaper/blob/master/examples/2in9-hello-world/test.py
|
||
|
|
gc.collect() # Precaution before instantiating framebuf
|
||
|
|
ssd = SSD(spi, pcs, pdc, prst, pbusy, landscape=True) # Create a display instance
|
||
|
|
ssd.demo_mode = True
|