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MCUXpresso IDE slow to step thru MIMXRT1050EVK demo projects

Question asked by Ed Waldner on Dec 12, 2017
Latest reply on Apr 20, 2018 by Ed Waldner

Hello everyone,

 

This is an issue that my co-worker and I observed with various MIMXRT1050EVK board versions. After entering a debug session on a given demo project (ie: gpio_output_led or hello_world_xip or freertos_hello) we noticed that it takes several seconds (in some cases over 15 sec) to step over code fragments. I don't know if this is related, but outright running while in debug mode takes a bit of time for the prints to materialize. This seems to be the case whether a project is running out of RAM or out of hyperflash. 

 

I noticed that if I terminated the debug session for an XiP customized project that redirected prints to serial terminal, the prints to serial terminal were instantaneous after resetting the EVK via SW4. I may be incorrectly drawing the conclusion that the execution delays are explicitly tied to running in debug mode, but either way the delays are repeatable on different boards and for different projects.

 

I am curious if anyone else is running into this issue.

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