Arm Cortex NXP LPC15xx: SWO trace
07-May-2025
On LPC15xx devices, you can configure I/O pin to use for a SWO trace with a custom initialization script.
Environment will remap the selected pin to output SWO trace, disabling any function previously assigned by the application.
Possible solution
1. Add the custom script LPC15xx_TraceInit.cpp to Hardware | CPU Options | Analyzer | SoC Initialization.
2. Specify which port to use for parallel trace and select a pin that is not otherwise used by the application. The default settings are:
- g_eSWOPort=PIO0
- bySWOPin=8
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