target remote :3333 monitor arm semihosting enable # # send captured ITM to the file itm.fifo # # (the microcontroller SWO pin must be connected to the programmer SWO pin) # # 8000000 must match the core clock frequency # monitor tpiu config internal itm.fifo uart off 8000000 # OR: make the microcontroller SWO pin output compatible with UART (8N1) # 2000000 is the frequency of the SWO pin monitor tpiu config external uart off 8000000 2000000 # enable ITM port 0 monitor itm port 0 on load step