Google Git
Sign in
pigweed / third_party / github / raspberrypi / debugprobe / ae5bdb082da25d3f0fa59db22db17c00c741a4f4
commitae5bdb082da25d3f0fa59db22db17c00c741a4f4[log] [tgz]
authorLuke Wren <wren6991@gmail.com>Tue May 09 11:29:43 2023 +0100
committerLuke Wren <wren6991@gmail.com>Tue May 09 11:29:53 2023 +0100
treea53252b7964d81f0e7f120c6e6ec893507600d89
parent491b96c1d499f3a79d173db1452022112631e531 [diff]
Reduce SWCLK frequency from SM/2 to SM/4, to reduce dead cycles.
Also fix divider becoming 0 when extremely high SWCLK frequencies
are requested (this would have been safe but you would get an
extremely slow SWCLK).
2 files changed
tree: a53252b7964d81f0e7f120c6e6ec893507600d89
  1. include/
  2. src/
  3. CMSIS_5
  4. freertos
  5. .gitmodules
  6. CMakeLists.txt
  7. FreeRTOS_Kernel_import.cmake
  8. pico_sdk_import.cmake
  9. README.md
README.md

Picoprobe

Picoprobe allows a Pico / RP2040 to be used as USB -> SWD and UART bridge. This means it can be used as a debugger and serial console for another Pico.

Documentation

Picoprobe documentation can be found in the Pico Getting Started Guide. See “Appendix A: Using Picoprobe”.

TODO

  • TinyUSB's vendor interface is FIFO-based and not packet-based. Using raw tx/rx callbacks is preferable as this stops DAP command batches from being concatenated, which confused openOCD.
  • Instead of polling, move the DAP thread to an asynchronously started/stopped one-shot operation to reduce CPU wakeups
  • AutoBaud selection, as PIO is a capable frequency counter
  • Possibly include RTT support