sensor: add helper functions to convert milli/micro to sensor_value (7675f3ac) · Commits · Wenxi XU / zephyr

include/zephyr/drivers/sensor.h

+40 −0

Changes for include/zephyr/drivers/sensor.h: 40 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -1353,6 +1353,46 @@ static inline int64_t sensor_value_to_micro(const struct sensor_value *val)
		return ((int64_t)val->val1 * 1000000) + val->val2;
		}

		/**
		* @brief Helper function for converting integer milli units to struct sensor_value.
		*
		* @param val A pointer to a sensor_value struct.
		* @param milli The converted value.
		* @return 0 if successful, negative errno code if failure.
		*/
		static inline int sensor_value_from_milli(struct sensor_value *val, int64_t milli)
		{
		if (milli < ((int64_t)INT32_MIN - 1) * 1000LL \|\|
		milli > ((int64_t)INT32_MAX + 1) * 1000LL) {
		return -ERANGE;
		}

		val->val1 = (int32_t)(milli / 1000);
		val->val2 = (int32_t)(milli % 1000) * 1000;

		return 0;
		}

		/**
		* @brief Helper function for converting integer micro units to struct sensor_value.
		*
		* @param val A pointer to a sensor_value struct.
		* @param micro The converted value.
		* @return 0 if successful, negative errno code if failure.
		*/
		static inline int sensor_value_from_micro(struct sensor_value *val, int64_t micro)
		{
		if (micro < ((int64_t)INT32_MIN - 1) * 1000000LL \|\|
		micro > ((int64_t)INT32_MAX + 1) * 1000000LL) {
		return -ERANGE;
		}

		val->val1 = (int32_t)(micro / 1000000LL);
		val->val2 = (int32_t)(micro % 1000000LL);

		return 0;
		}

		/**
		* @}
		*/