STM32F072RB-DISCO

This is a STM32F072 Discovery board with CMake

HAL

The STM32F072RB is driven with the HAL drivers extracted from the f0 variant defined in the CMake variable STM32_TYPE to be enforced upon by the cmake-toolchain silicon type.

The STM32CubeMx is used only to bring the board up and is used in the hal_core definitions. Thus the board clocks, peripheral clocks, GPIO Pins and driver level configuration are performed by STM32CubeMx.

Startup and Interrupt Vectors

The standard startup and interrupt vectors are not used by this project, instead a modern C based approach is done. Thus there are no assembly files in the project.

Hardware Resources

• Timer 14: CANopenNode STM32 CAN Timer for 1ms

• Timer 17: HAL Time base 1ms

• SysTick is unused.

Demo application

The demo.c file implements two functions, app_main and timer 14 timer complete callback.

The application:

• Makes the timer 14 to interupt at every 1 ms.
• Timer 14 ISR ends with the callback that is toggling the Blue LED of the Discovery board every 1kHz.
• Timer 17 (HAL Time base) is setup to trigger a 1kHz period.
• Red LED is toggled every 20 ms using the HAL Delay to ensure the HAL time base is correctly configured.

Overall architecture

The below is generated by CMake using graphviz