Library 02- STM32F429 Discovery GPIO tutorial with onboard leds and button - STM32F4 Discovery
Your first blinky project works, but you don’t know how? I will explain GPIO (General Purpose Input/Output) CMSIS Library. This library is used to work with physical pins on microcontroller. You can set pins to input or output, put them low (0 volts) or HIGH (3,3 volts), select pull resistors, choose output type and select clock speed. To be able to work with pin, you have to enable pin clock. This is set inside RCC (Reset and Clock Control). All GPIO‘s...
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