The open source picoLink: Raspberry Pi RP2040 CMSIS-DAP debug probe #PiDay @McuOnEclipse @Raspberry_Pi

The ‘official’ Raspberry Pi debug probe comes with a nice enclosure, is small and beautiful, plus has buffers on the UART pins, and costs around $15.

Yet another Pico Probe Hardware: picoLink

picoLink has the following features:

• Small, around the size of the Pico board itself
• Works with the ‘standard’ PicoProbe firmware
• Standard ARM SWD 10 pin debug header to debug any standard boards
• 3-pin Raspberry Pi debug header to debug Pico and Pico-W boards
• UART connection (VCOM)
• USB-C connector for power and debug the target
• USB-C to debug the RP2040 on the PicoLink (ability to debug the probe firmware itself)

What I really wanted to have on the picoLink board is the ability to debug the RP2040 on it running the debug firmware too. This allows students to develop their own debug firmware. One logical solution would have been to add a debug header on the picoLink itself.

See more here.

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• Source: https://blog.adafruit.com/2023/04/14/the-open-source-picolink-raspberry-pi-rp2040-cmsis-dap-debug-probe-piday-mcuoneclipse-raspberry_pi/