[WIP] Initial ITM port 0 test with stlink-trace tool #2
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Travis is failing, but that seems a different problem |
| @@ -12,3 +12,7 @@ OpenOCD and GDB are used for development and debugging | |||
| $ ./scripts/openocd.sh &> /dev/null & | |||
| $ arm-none-eabi-gdb --command=scripts/openocd-oca-v1.cfg | |||
| ``` | |||
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| # Instrumentation trace macrocell | |||
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Maybe some description about what this actually does
| | (1 << ITM_TCR_ITMENA_Pos); // Main enable for ITM | ||
| ITM->TER = 0xFFFFFFFF; // Enable all stimulus ports | ||
| //ITM->TPR = 0x0000000F; // unpriviledged | ||
| */ |
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Why is this part commented?
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The ITM port is enabled from OpenOCD or stlink-trace, no need anymore to enable it from firmware. This must be removed...
| ITM->TER = 0xFFFFFFFF; // Enable all stimulus ports | ||
| //ITM->TPR = 0x0000000F; // unpriviledged | ||
| */ | ||
| while (true) |
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This kills all of the other functionality of the code. Maybe move this to a thread?
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It was just a showoff to see it works. Probably we should integrate it nicely :+)
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It was just a showoff to see it works. Probably we should integrate it nicely :+) |
Initial testing using the ITM port 0 for printf using the SWD SWO pin. It works....