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Using STM32 GPIO with ChibiOS PAL Driver

The STM32 is equipped with an extremely flexible General Purpose Input Output (or GPIO) peripheral allowing to configure each Input/Output independently. The IO is the simplest interface between the STM32 and the outside world.

As we said in the article “From 0 to STM32“, there are many versions of the same peripherals across the various STM32’s sub-families and this is way each sub-family usually has its own Reference Manual. In this document it is possible to find all the functional information about GPIO and reading many RM we can notice that GPIO peripheral has three continue reading...