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PicoProbe PCB kit
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Turn your Raspberry Pi Pico into a debug probe This PCB is designed to turn a Pico into a nice debug probe using the PicoProbe software. The kit provides eve...
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Turn your Raspberry Pi Pico into a debug probe
This PCB is designed to turn a Pico into a nice debug probe using the PicoProbe software.
The kit provides everything you need to turn a Raspberry Pi Pico into a debug probe (Raspberry Pi Pico not included):
- The Picoprobe-PCB
- 1x cortex-M SWD 10pin header
- 1x cortex-M SWD 10pin ribon cable
- 1x 6 pin male header
- 1x 6 pin female header
Mounting options
There are two ways to mount a Raspberry Pi Pico on the Picoprobe-PCB. You can either solder it directly for a slim/compact result (right), or use header to be able to re-use the Pico on other projects (left).
Install the Picoprobe software
- Either get the picoprobe .uf2 binary from the release here or compile it yourself from sources here.
- Hold the BOOTSEL button on the Pico, then connect to your computer using a micro USB cable.
- Drag and drop the UF2 file on to the RPI-RP2 drive.
- You should be good to go.
Plug the picoprobe SWD pin to the Pico that you want to debug
Build Raspberry Pi's openocd
$ sudo apt install automake autoconf build-essential texinfo libtool libftdi-dev libusb-1.0-0-dev
$ git clone https://github.com/raspberrypi/openocd.git --branch picoprobe --depth=1 --no-single-branch
$ cd openocd
$ ./bootstrap
$ ./configure --enable-picoprobe
$ make -j4
Run openocd
$ ./src/openocd -s tcl -f interface/picoprobe.cfg -f target/rp2040.cfg
Debug!
Now that openocd is connected, you can start debugging with GDB for instance.
$ arm-eabi-none-gdb
(gdb) target extended-remote :3333
Case
Documentation
Jargon buster
Plain-language definitions for the technical terms used above.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
- SWD
- Serial Wire Debug is a two-wire programming and debugging interface used with many microcontrollers. It matters if you need low-level access to program, recover or debug the processor board connected to this carrier.
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