.. _ArgonKey_Sensors: ArgonKey Board Sensors ###################### Overview ******** This sample provides an example of how to read sensor data from the ArgonKey board. The result is displayed on the console. It makes use of both the trigger and poll methods. Requirements ************ This sample just requires the ArgonKey board. The board can be powered in either one of the following two ways: - mezzanine mode, plugging the ArgonKey to HiKey board through its 96Board low-speed connector - standalone mode, supplying 5V directly on P1 connector The user may select or unselect the sensors from :zephyr_file:`samples/boards/96b_argonkey/sensors/prj.conf`. Please note that all sensor related code is conditionally compiled using the ``#ifdef`` directive, so this sample is supposed to always build correctly. Example: .. code-block:: c #ifdef CONFIG_HTS221 struct device *hum_dev = DEVICE_DT_GET_ONE(st_hts221); if (!device_is_ready(hum_dev)) { printk("%s: device not ready.\n", hum_dev->name); return; } #endif References ********** - :ref:`96b_argonkey` Building and Running ******************** .. zephyr-app-commands:: :zephyr-app: samples/boards/96b_argonkey/sensors :host-os: unix :board: 96b_argonkey :goals: run :compact: Sample Output ============= A USB to TTL 1V8 serial cable may be attached to the low speed connector on the back of the board on P3.5 (TX) and P3.7 (RX). User may use a simple terminal emulator, such as minicom, to capture the output. .. code-block:: console proxy: 1 ; distance: 0 m -- 09 cm; temp: 30.35 C; press: 97.466259 humidity: 43.500000 accel (0.004000 -0.540000 9.757000) m/s2 gyro (0.065000 -0.029000 -0.001000) dps magn (0.049500 0.208500 -0.544500) gauss - (6) (trig_cnt: 1878) In this example the output is generated polling the sensor every 2 seconds. Sensor data is printed in the following order (no data is printed for sensors that are not enabled): #. *VL53L0x* proximity #. *LPS22HB* baro/temp #. *HTS221* humidity #. *LSM6DSL* accel #. *LSM6DSL* gyro #. *LIS2MDL* magnetometer (attached to *LSM6DSL*) The proximity sensor displays two lines: - a flag (proxy) that goes on when the distance is below 10cm - the absolute distance from the obstacle The last line displays a counter of how many trigger interrupts has been received. It is possible to display the sensor data read for each trigger by enabling the **ARGONKEY_TEST_LOG** macro.