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README.rst
.. zephyr:code-sample:: usb-cdc-acm-console :name: Console over USB CDC ACM :relevant-api: _usb_device_core_api usbd_api Output "Hello World!" to the console over USB CDC ACM. Overview ******** A simple Hello World sample, with console output coming via CDC ACM UART. Primarily intended to show the required config options. Requirements ************ This project requires a USB device controller driver. Building and Running ******************** This sample can be built for multiple boards, in this example we will build it for the reel_board board: .. zephyr-app-commands:: :zephyr-app: samples/subsys/usb/console :board: reel_board :goals: flash :compact: Plug the board into a host device, for sample, a PC running Linux OS. The board will be detected as a CDC_ACM serial device. To see the console output from the sample, use a command similar to :command:`minicom -D /dev/ttyACM0`. .. code-block:: console Hello World! arm Hello World! arm Hello World! arm Hello World! arm Troubleshooting =============== You may need to stop :program:`modemmanager` via :command:`sudo stop modemmanager`, if it is trying to access the device in the background.