programming esp32-c3

gistfile1.txt

https://community.platformio.org/t/enabling-usb-cdc-on-boot-on-esp32-c3-devkit/33346/2 (for platform.io)

config:
------------


; PlatformIO Project Configuration File
;
;   Build options: build flags, source filter
;   Upload options: custom upload port, speed and extra flags
;   Library options: dependencies, extra library storages
;   Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html

;[env:esp32-c3-devkitm-1]
[env:dfrobot_beetle_esp32c3]
platform = espressif32
;board = esp32-c3-devkitm-1
board = dfrobot_beetle_esp32c3
;framework = espidf
framework = arduino
;upload_protocol = esp-builtin
;debug_tool = esp-builtin
monitor_speed = 115200
upload_speed = 921600
build_flags =
;-D ARDUINO_USB_CDC_ON_BOOT=1
;-D ARDUINO_USB_MODE=1
  -D ARDUINO_USB_MODE=1
  -D ARDUINO_USB_CDC_ON_BOOT=1
;build_type = debug
;debug_init_break =  break setup
;debug_server =
;   $PLATFORMIO_CORE_DIR/packages/tool-openocd-esp32/bin/openocd
;   -f
;   $PLATFORMIO_CORE_DIR/packages/tool-openocd-esp32/share/openocd/scripts/board/esp32c3-builtin.cfg
;   $PLATFORMIO_CORE_DIR/packages/tool-openocd-esp32/share/openocd/scripts/board/esp32-c3-devkitm-1.cfg

-----------------
from cmd: ./arduino-ide_2.3.3_Linux_64bit.AppImage 
Tools > USB CDC ON BOOT "Enabled"
Tools > Board : "DFRobot Beetle ESP32-C3"

when plugging in press Boot button
breifly press Reset button after plugging in continue keeping Boot button pressed
Release Reset button then release Boot button