RP2040

Config Firmware

Use the command below to enter the firmware configuration interface.

cd ~/klipper
make clean
make menuconfig

Compile Firmware

make 

Flash Firmware

Short the Boot jumper then press the reset button. Use lsusb commend to check.

Bus 001 Device 001: ID 2e8a:0003 Raspberry Pi RP2 Boot

Use the commend below to flash firmware into mcu.

make flash FLASH_DEVICE=2e8a:0003

Find Serial ID

Use the commend below to find Serial ID for rp2040

ls /dev/serial/by-id/*

Then it will show the Serial ID

/dev/serial/by-id/usb-Klipper_rp2040_neko-if00

Configuring Klipper

Update the Klipper mcu configuration in printer.cfg

printer.cfg

[mcu]
serial: /dev/serial/by-id/usb-Klipper_rp2040_neko-if00