micropython-nano-gui/ssd1351_setup.py

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Python

# ssd1351_setup.py Customise for your hardware config
# Released under the MIT License (MIT). See LICENSE.
# Copyright (c) 2020 Peter Hinch
# 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 (Adafruit pin nos and names)
# Pyb SSD
# 3v3 Vin (10)
# Gnd Gnd (11)
# Y1 DC (3 DC)
# Y2 CS (5 OC OLEDCS)
# Y3 Rst (4 R RESET)
# Y6 CLK (2 CL SCK)
# Y8 DATA (1 SI MOSI)
height = 96 # 1.27 inch 96*128 (rows*cols) display
import machine
import gc
from drivers.ssd1351.ssd1351 import SSD1351 as SSD
height = 96 # 1.27 inch 96*128 (rows*cols) display
# height = 128 # 1.5 inch 128*128 display
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)
spi = machine.SPI(2)
gc.collect() # Precaution before instantiating framebuf
ssd = SSD(spi, pcs, pdc, prst, height) # Create a display instance