Instrumentation Trace Macrocell (ITM) and Serial Wire Viewer (SWV) are powerful debugging tools available on STM32 microcontrollers. ITM allows for efficient tracing and debugging by sending data through the SWO (Serial Wire Output) pin, which can be viewed in STM32CubeIDE.
Redirecting to ITM:
You can configure STM32CubeIDE to send debug messages via ITM instead of UART. This involves overriding the function and using .
Enabling SWV in STM32CubeIDE:
You need to enable SWV in the debugger settings and configure the clock speed correctly.
So, if we use printf() function for getting the debug messages, it is the ITM which helps send data over SWO pin to STM32CudeIDE
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