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Printf stop working after some time

shukibin
Associate

Hello,

After few successful printing using printf and the SWV ITM data console, the console stops showing new data. 

To recreate, I created new project, selected the device I have (STM32H723ZGT6), followed the instructions to enable debugging via printf/SWV ITM and run a sample program that just print every 100msec.

As you can see in the screenshot, the prints halt after 360 lines, although the program still runs and I can place an interrupt and see the program and the counter still progress correctly.

Any idea what can cause the printf to stop working?

Thanks!

 

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