Debug your Raspberry Pi Pico from your Raspberry Pi.Designed by 8086 Consultancy in United Kingdom
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The PiProbe is a simple adaptor with protection resistors used to debug a Raspberry Pi Pico/RP2040 microcontroller using OpenOCD from a Raspberry Pi computer. On the top side of the board there are t…Read More…
The PiProbe is a simple adaptor with protection resistors used to debug a Raspberry Pi Pico/RP2040 microcontroller using OpenOCD from a Raspberry Pi computer.
On the top side of the board there are two 3-pin connectors - "SWD" to debug the ARM core and "UART" for a serial connection you can connect to the target device.
On the underside of the board there's a 9-pin 0.1" header which replicates the SWD and UART interfaces and adds both 5V and 3.3V power. The SWD/UART pins on the 9-pin connector can be used with regular Dupont style 0.1" pitch cables and a breadboard for example.
The GPIO pins are 3.3V only but the 5V output could be used to power a Pico you're debugging for example.
Documentation for downloading openocd and using the PiProbe can be found in the official Pico Getting Started Guide 8.1. Debugging your project section.
The GPIO pins of the Raspberry Pi 40-pin header are connected as below.
|Raspberry Pi GPIO||3-pin/9-pin name||Usage|
|GPIO25||SC||Connect to target SC (SWD Clock)|
|GPIO24||SD||Connect to target SD (SWD Data)|
|GPIO14||TX||Connect to target UART RX|
|GPIO15||RX||Connect to target UART TX|
3-pin cables are available to connect the PiProbe directly to the debug connector on a Raspberry Pi Pico with Headers.
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