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Embedded engineer Fabien Chouteau has designed a easy add-on for the Raspberry Pi Pico microcontroller growth board, turning it right into a fully-functional 10-pin Serial Wire Debug (SWD) probe.
“If, like me, you like the Raspberry Pi Pico/RP2040, however you aren’t glad with the accessible {hardware} debugging answer,” Chouteau writes of his provider boartd design, constructed to sit down beneath the compact Raspberry Pi Pico, “this package is for you.”
Raspberry Pi gives the PicoProbe firmware for the Raspberry Pi Pico, its in-house microcontroller growth board constructed round its equally in-house RP2040 microcontroller, to show the $4 board right into a fully-functional {hardware} debug probe — and Chouteau’s add-on board handles the wiring.
The PicoProbe PCB package takes a Raspberry Pi Pico — with headers or as a module — and provides straightforward wiring for SWD debugging. (📷: Fabien Chouteau)
“There are two methods to mount a Raspberry Pi Pico on the PicoProbe-PCB,” Chouteau explains. “You’ll be able to both solder it straight for a slim/compact consequence, or use headers to have the ability to re-use the Pico on different tasks.”
Utilizing PicoProbe — with or with out Chouteau’s provider board—- requires a customized model of OpenOCD, which Raspberry Pi additionally gives. Compile it, run it, and also you’re prepared to make use of the debugger of your alternative – together with GDB.
The PicoProbe PCB package is on the market on Chouteau’s Tindie retailer at $8, together with the PCB, 10-pin SWD header and ribbon cable, six-pin male header, and six-pin feminine header for guide wiring; design information and Gerbers for the board are accessible on GitHub underneath an unspecified open supply license.
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