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Draft modmachine: Expose keyboard interrupt as a python function. #16809

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Draft modmachine: Expose keyboard interrupt as a python function. #16809

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andrewleech
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Summary

Allows throwing a keyboard interrupt from code, was used from a timer interrupt that was configured to act like a "soft watchdog" with this interrupt triggering a stack trace printout on the main thread.

Testing

Currently this causes a fatal error if another keyboard interrupt comes in on serial line (I think)

Trade-offs and Alternatives

A separate / explicit version of this might be better rather than reusing / overloading keyboard interrupt.

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codecov bot commented Feb 25, 2025 •
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Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 98.52%. Comparing base (2992e34) to head (f0aa0d1).
Report is 274 commits behind head on master.

Files with missing lines Patch % Lines
py/modmicropython.c 0.00% 2 Missing ⚠️
Additional details and impacted files 
@@            Coverage Diff             @@
##           master   #16809      +/-   ##
==========================================
- Coverage   98.53%   98.52%   -0.01%     
==========================================
  Files         169      169              
  Lines       21822    21824       +2     
==========================================
  Hits        21502    21502              
- Misses        320      322       +2

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Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:  +216 +0.025% standard[incl +32(data)]
      stm32:   +52 +0.013% PYBV10
     mimxrt:   +48 +0.013% TEENSY40
        rp2:   +32 +0.003% RPI_PICO_W
       samd:   +52 +0.019% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:  +109 +0.024% VIRT_RV32

@andrewleech andrewleech changed the title modmachine: Expose keyboard interrupt as a python function. Draft modmachine: Expose keyboard interrupt as a python function. Feb 25, 2025
@dpgeorge dpgeorge added the py-core Relates to py/ directory in source label Apr 29, 2025
@andrewleech andrewleech marked this pull request as draft August 6, 2025 23:08
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@andrewleech @dpgeorge @pi-anl