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Luke Wren ae5bdb082d 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).

2023-05-09 11:29:53 +01:00

CMSIS_5 @ a65b7c9a3e

CMSIS: revert to v5.7.0 for v2.0.0 of DAP firmware

2022-08-18 16:00:28 +01:00

freertos @ 2dfdfc4ba4

Add FreeRTOS as a submodule

2022-08-18 16:00:28 +01:00

include

board configs: differentiate the USB product strings

2023-05-02 10:09:01 +01:00

src

Reduce SWCLK frequency from SM/2 to SM/4, to reduce dead cycles.

2023-05-09 11:29:53 +01:00

.gitmodules

Add FreeRTOS as a submodule

2022-08-18 16:00:28 +01:00

CMakeLists.txt

probe: split pioasm and setup code into variant files, and add OEN variant

2023-02-27 15:07:10 +00:00

FreeRTOS_Kernel_import.cmake

Add FreeRTOS (RP2040 port) to the build

2022-08-18 16:01:40 +01:00

pico_sdk_import.cmake

Use latest upstream version of pico_sdk_import.cmake

2022-11-24 12:01:57 +00:00

README.md

probe: split pioasm and setup code into variant files, and add OEN variant

2023-02-27 15:07:10 +00:00

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