[riot-notifications] [RIOT-OS/RIOT] drivers: add support for SHT2x (I2C temp and humidity sensor) (#10750)
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Mon Feb 4 11:44:10 CET 2019
PeterKietzmann commented on this pull request.
> + * @param[in] dev Device descriptor of SHT2X device to read from
+ * @returns Humidity in centi %RH (i.e. the percentage times 100).
+ * In case of an error it returns 0 (i.e. an unrealistic value).
+uint16_t sht2x_read_humidity(const sht2x_t *dev);
+ * @brief Read identification code from the given SHT2X device
+ * @param[in] dev Device descriptor of SHT2X device to read from
+ * @param[out] buffer Buffer to write the identification code to
+ * @param[in] buflen The size of @p buffer
+ * @return >= 0 on success, number of bytes read
+ * @return -1 if the code could not be acquired
Why `-1` not value from the enum above?
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