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Raspberry Pi Picoprobe Debug Setup/Tips & Tricks

This document details useful information on how to use a Raspberry Pi Pico as a SWD probe for another Pico using the Picoprobe software. This information assumes you have followed all of the steps in Appendix A of the Getting Started with Raspberry Pi Pico Guide and that you are doing development on a Linux system.

Essential Setup

1. Add the below files to your system to enable non-root access to the devices

   /etc/udev/rules.d/99-openocd.rules:

   # Raspberry Pi Picoprobe
   

ATTRS{idVendor}=="2e8a", ATTRS{idProduct}=="0004", MODE="0666"

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#![no_std]
#![no_main]

#[rtic::app(
    device = rp_pico::hal::pac,
    dispatchers = [TIMER_IRQ_1]
)]
mod app {
    use rp_pico::XOSC_CRYSTAL_FREQ;
    use rp_pico::hal::{

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[package]
name = "probe_rs_example"
version = "0.1.0"
edition = "2021"

[dependencies]
anyhow = "1.0.34"
probe-rs = { version = "0.15.0", features = ["ftdi"] }

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# Where did I find this originally??? Someone's gist somewhere on GitHub
# Taken from https://raw.githubusercontent.com/riscv/riscv-openocd/a037b20f2e015859327ab37588792386c4fc942f/tcl/target/gd32vf103.cfg
#
# Goes in scripts/target/

# Below should be in interface???
#adapter speed 1000

# Can only debug RISCV devices via JTAG
transport select jtag

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Overview

Initial dev environment setup for ESP32-C3 and ESP32-C6 programming, tailored towards Rust development. Some of this will also apply to the ESP32-C2 as well as the ESP32-H2 and ESP32-P4 when they are released.

1. General Setup
2. Setup USB JTAG
3. Setup GPIO JTAG

General Setup

• Install ESP tooling:

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use neli::{
    consts::{nl::NlmF, socket::NlFamily},
    genl::{AttrTypeBuilder, Genlmsghdr, GenlmsghdrBuilder, NlattrBuilder, NoUserHeader},
    neli_enum,
    nl::NlPayload,
    router::synchronous::NlRouter,
    types::GenlBuffer,
    utils::Groups,
};