74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/**
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* @file zh_aht.h
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*/
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#pragma once
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#include "esp_err.h"
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#include "esp_log.h"
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#ifdef CONFIG_IDF_TARGET_ESP8266
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#include "driver/i2c.h"
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#else
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#include "driver/i2c_master.h"
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#endif
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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/**
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* @brief AHT sensor initial default values.
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*/
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#define ZH_AHT_INIT_CONFIG_DEFAULT() \
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{ \
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.i2c_port = 0}
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @brief Structure for initial initialization of AHT sensor.
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*/
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typedef struct
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{
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bool i2c_port; /*!< I2C port. */
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#ifndef CONFIG_IDF_TARGET_ESP8266
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i2c_master_bus_handle_t i2c_handle; /*!< Unique I2C bus handle. */
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#endif
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} zh_aht_init_config_t;
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/**
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* @brief Initialize AHT sensor.
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*
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* @param[in] config Pointer to AHT initialized configuration structure. Can point to a temporary variable.
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*
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* @attention I2C driver must be initialized first.
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*
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* @note Before initialize the sensor recommend initialize zh_aht_init_config_t structure with default values.
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*
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* @code zh_aht_init_config_t config = ZH_AHT_INIT_CONFIG_DEFAULT() @endcode
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*
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* @return ESP_OK if success or an error code otherwise.
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*/
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esp_err_t zh_aht_init(const zh_aht_init_config_t *config);
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/**
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* @brief Read AHT sensor.
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*
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* @param[out] humidity Pointer for AHT sensor reading data of humidity.
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* @param[out] temperature Pointer for AHT sensor reading data of temperature.
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*
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* @return ESP_OK if success or an error code otherwise.
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*/
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esp_err_t zh_aht_read(float *humidity, float *temperature);
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/**
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* @brief Reset AHT sensor.
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*
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* @return ESP_OK if success or an error code otherwise.
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*/
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esp_err_t zh_aht_reset(void);
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#ifdef __cplusplus
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}
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#endif |