rp2040

with probe, left connector is uart, right is debug

yellow to swdio, black to gnd, orange to swclock

curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | BINDIR=~/.local/bin sh

emacs ~/.arduino15/arduino-cli.yaml 

 board_manager:

    additional_urls: [https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json]

arduino-cli core update-index

arduino-cli core install rp2040:rp2040

sudo emacs /etc/udev/rules.d/99-debugprobe.rules 

SUBSYSTEM=="usb", \

    ATTRS{idVendor}=="2e8a", \

    ATTRS{idProduct}=="000c", \

    TAG+="uaccess" \

    MODE="660", \

    GROUP="plugdev"

install openocd from raspberry pi

https://github.com/raspberrypi/openocd.git

./bootstrap

./configure

emacs makefile

FQBN=rp2040:rp2040:rpipico2

mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))

mkfile_dir := $(dir $(mkfile_path))

current_dir := $(notdir $(patsubst %/,%,$(mkfile_dir)))

upload_picoprobe: compile

openocd -f interface/cmsis-dap.cfg -f target/rp2350.cfg -c "adapter speed 5000" -c "program build/$(current_dir).ino.elf verify reset exit"

upload_uf2:compile

arduino-cli upload -p UF2_Board --fqbn rp2040:rp2040:rpipico2 .

compile:

arduino-cli compile --fqbn $(FQBN) --output-dir build