Arduino-cli for developing ESP32

Arduino-cli usage

Refer to https://arduino.github.io/arduino-cli/0.35/getting-started/

Install arduino-cli

curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh

Set PATH environment variable

Add the following command to ~/.bashrc.

export PATH=arduino-cli-path:$PATH

The following command will take effect immediately.

source ~/.bashrc

Develop for ESP32

Install esp32 core

arduino-cli core install esp32:esp32

Create sketch

arduino-cli sketch new your_sketch_name

Compile sketch

cd your_sketch_name

arduino-cli compile -b esp32:esp32:esp32

Or specify the target file of the directory

cd your_sketch_name

arduino-cli compile -b esp32:esp32:esp32 --output-dir target_directory

Enable USB device authority

Create 99-usbdev.rules in /etc/udev/rules.d

Add the following content to /etc/udev/rules.d/99-usbdev.rules

/* Add permission to all user to have complete acces to CH340 */
SUBSYSTEM=="usb", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="7523", GROUP="dialout", MODE:="0666"

Then restart linux system.

Upload sketch

If the USB device is /dev/ttyUSB0, please use the following command:

arduino-cli upload -p /dev/ttyUSB0 -b esp32:esp32:esp32

Or specify the target file

arduino-cli upload -p /dev/ttyUSB0 -b esp32:esp32:esp32 --input-file your_target_file

Debug sketch

Default baudrate for 9600, it can set the baudrate via -c option.

arduino-cli monitor -p /dev/ttyUSB0 -c 115200