| .. zephyr:code-sample:: w1-scanner |
| :name: 1-Wire scanner |
| :relevant-api: w1_interface |
| |
| Scan for 1-Wire devices and print their family ID and serial number. |
| |
| Overview |
| ******** |
| |
| This sample demonstrates how to scan for 1-Wire devices. It runs the 1-Wire |
| scan routine once and prints the family id as well as serial number of the |
| devices found. |
| |
| Building and Running |
| ******************** |
| |
| Set DTC_OVERLAY_FILE to "ds2484.overlay" or "w1_serial.overlay" in order to |
| enable and configure the drivers. |
| |
| .. zephyr-app-commands:: |
| :zephyr-app: samples/drivers/w1/scanner |
| :board: nrf52840dk/nrf52840 |
| :gen-args: -DDTC_OVERLAY_FILE=w1_serial.overlay |
| :goals: build flash |
| :compact: |
| |
| Sample Output |
| ============= |
| |
| .. code-block:: console |
| |
| [00:00:00.392,272] <inf> main: Device found; family: 0x3a, serial: 0x3af9985800000036 |
| [00:00:00.524,169] <inf> main: Device found; family: 0x3a, serial: 0x3a6ea2580000003b |
| [00:00:00.656,097] <inf> main: Device found; family: 0x28, serial: 0x2856fb470d000022 |
| [00:00:00.656,097] <inf> main: Number of devices found on bus: 3 |
