picoprobe: use GPIO definitions for the new debug adapter, PCB R2 Limitations: - Power LED doesn't yet do anything sensible - The level-shifted SWDIO input isn't utilised by the PIO SM, so only 3.3v I/O Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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.
Picoprobe documentation can be found in the Pico Getting Started Guide. See “Appendix A: Using Picoprobe”.