Hello Daniel,
Unfortunately the MQX 4.2 doesn't have bsp projects with PE enabled for the KDS, I suggest to use the PE standalone tool in order to generate code and copy the needed functions.
The file you need to change is bsp_cm.h.
In general yo need to follow the below steps:
1. Please check the bsp_cm.c file located at the path: C:\Freescale\Freescale_MQX_4_2\mqx\source\bsp\<board_name>
2. Localize the void _bsp_initialize_hardware(void) function
3. Modify this function according your needs.
Please let me know if this helps
Have a great day,
Sol
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