iwalpola

STM32duino GPIO Registers and programming

Sources:

http://embedded-lab.com/blog/stm32-gpio-ports-insights/
http://hertaville.com/stm32f0-gpio-tutorial-part-1.html

The libmaple libraries, on which STM32duino is based, provides access to registers by the syntax:

GPIOA->regs->REG

codepope

import board
import digitalio
import busio
import random
import time

class PicoRGBkeypad:
    WIDTH=4
    HEIGHT=4
    NUM_PAD=WIDTH*HEIGHT