mirror of
https://github.com/zephyrproject-rtos/zephyr
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2cd51a33ce
This provides a better error message when building with CMake and forgetting ZEPHYR_BASE or not registering Zephyr in the CMake package registry. See parent commit for more details (split from parent for better readability). Signed-off-by: Marc Herbert <marc.herbert@intel.com> |
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| .. | ||
| boards | ||
| src | ||
| CMakeLists.txt | ||
| prj.conf | ||
| README.rst | ||
| sample.yaml | ||
.. _dht: DHT: Aosong DHT Digital-output Humidity and Temperature Sensor ############################################################## Description *********** This sample application periodically (0.5 Hz) measures the ambient temperature and humidity. The result is written to the console. Wiring ******* This sample uses an external breakout for the sensor. A devicetree overlay must be provided to identify the sensor variant and the GPIO used to control the sensor. Building and Running ******************** After providing a devicetree overlay that specifies the sensor location, build this sample app using: .. zephyr-app-commands:: :zephyr-app: samples/sensor/dht :board: nrf52dk_nrf52832 :goals: build flash Sample Output ============= .. code-block:: console *** Booting Zephyr OS build zephyr-v2.1.0-329-g38418b26c4cc *** [0:00:00.027]: 20.0 Cel ; 48.7 %RH [0:00:02.053]: 19.8 Cel ; 48.7 %RH [0:00:04.079]: 20.0 Cel ; 48.7 %RH [0:00:06.105]: 19.8 Cel ; 48.7 %RH [0:00:08.130]: 20.0 Cel ; 48.8 %RH [0:00:10.156]: 20.1 Cel ; 48.8 %RH [0:00:12.182]: 19.7 Cel ; 48.7 %RH [0:00:14.207]: 20.0 Cel ; 48.8 %RH <repeats endlessly>