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fastbee/firmware/esp-idf/wumei-smart-firmware/components/sht3x/include/sht3x.h
2021-07-13 17:15:20 +08:00

234 lines
8.2 KiB
C

// Copyright 2020-2021 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _SHT3x_H_
#define _SHT3x_H_
#ifdef __cplusplus
extern "C"
{
#endif
#include "driver/i2c.h"
#include "i2c_bus.h"
#include "esp_log.h"
#include "math.h"
typedef enum {
SOFT_RESET_CMD = 0x30A2, /*!< Command to soft reset*/
READOUT_FOR_PERIODIC_MODE = 0xE000, /*!< Command to read Periodic*/
READ_SERIAL_NUMBER = 0x3780, /*!< Command to read senser number*/
SHT3x_STOP_PERIODIC = 0x3093, /*!< Command to break or stop periodic mode*/
SHT3x_ART_CMD = 0x2B32, /*!< Command to accelerated response time*/
/* Single Shot Data Acquisition Mode*/
SHT3x_SINGLE_HIGH_ENABLED = 0x2C06, /*!< Command to set measure mode as Single Shot Data Acquisition mode in high repeatability and Clock Stretching enabled*/
SHT3x_SINGLE_MEDIUM_ENABLED = 0x2C0D, /*!< Command to set measure mode as Single Shot Data Acquisition mode in medium repeatability and Clock Stretching enabled*/
SHT3x_SINGLE_LOW_ENABLED = 0x2C10, /*!< Command to set measure mode as Single Shot Data Acquisition mode in low repeatability and Clock Stretching enabled*/
SHT3x_SINGLE_HIGH_DISABLED = 0x2400, /*!< Command to set measure mode as Single Shot Data Acquisition mode in high repeatability and Clock Stretching disabled*/
SHT3x_SINGLE_MEDIUM_DISABLED = 0x240B, /*!< Command to set measure mode as Single Shot Data Acquisition mode in medium repeatability and Clock Stretching disabled*/
SHT3x_SINGLE_LOW_DISABLED = 0x2416, /*!< Command to set measure mode as Single Shot Data Acquisition mode in low repeatability and Clock Stretching disabled*/
/* Periodic Data Acquisition mode*/
SHT3x_PER_0_5_HIGH = 0x2032, /*!< Command to set measure mode as Periodic Data Acquisition mode in high repeatability and 0.5 mps*/
SHT3x_PER_0_5_MEDIUM = 0x2024, /*!< Command to set measure mode as Periodic Data Acquisition mode in medium repeatability and 0.5 mps*/
SHT3x_PER_0_5_LOW = 0x202F, /*!< Command to set measure mode as Periodic Data Acquisition mode in low repeatability and 0.5 mps*/
SHT3x_PER_1_HIGH = 0x2130, /*!< Command to set measure mode as Periodic Data Acquisition mode in high repeatability and 1 mps*/
SHT3x_PER_1_MEDIUM = 0x2126, /*!< Command to set measure mode as Periodic Data Acquisition mode in medium repeatability and 1 mps*/
SHT3x_PER_1_LOW = 0x212D, /*!< Command to set measure mode as Periodic Data Acquisition mode in low repeatability and 1 mps*/
SHT3x_PER_2_HIGH = 0x2236, /*!< Command to set measure mode as Periodic Data Acquisition mode in high repeatability and 2 mps*/
SHT3x_PER_2_MEDIUM = 0x2220, /*!< Command to set measure mode as Periodic Data Acquisition mode in medium repeatability and 2 mps*/
SHT3x_PER_2_LOW = 0x222B, /*!< Command to set measure mode as Periodic Data Acquisition mode in low repeatability and 2 mps*/
SHT3x_PER_4_HIGH = 0x2334, /*!< Command to set measure mode as Periodic Data Acquisition mode in high repeatability and 4 mps*/
SHT3x_PER_4_MEDIUM = 0x2322, /*!< Command to set measure mode as Periodic Data Acquisition mode in medium repeatability and 4 mps*/
SHT3x_PER_4_LOW = 0x2329, /*!< Command to set measure mode as Periodic Data Acquisition mode in low repeatability and 4 mps*/
SHT3x_PER_10_HIGH = 0x2737, /*!< Command to set measure mode as Periodic Data Acquisition mode in high repeatability and 10 mps*/
SHT3x_PER_10_MEDIUM = 0x2721, /*!< Command to set measure mode as Periodic Data Acquisition mode in medium repeatability and 10 mps*/
SHT3x_PER_10_LOW = 0x272A, /*!< Command to set measure mode as Periodic Data Acquisition mode in low repeatability and 10 mps*/
/* cmd for sht3x heater condition*/
SHT3x_HEATER_ENABLE = 0x306D, /*!< Command to enable the heater*/
SHT3x_HEATER_DISABLED = 0x3066, /*!< Command to disable the heater*/
} sht3x_cmd_measure_t;
typedef enum {
SHT3x_ADDR_PIN_SELECT_VSS = 0x44, /*!< set address PIN select VSS */
SHT3x_ADDR_PIN_SELECT_VDD = 0x45, /*!< set address PIN select VDD */
} sht3x_set_address_t;
typedef void *sht3x_handle_t;
/**
* @brief Create sht3x handle_t
*
* @param bus sensorice object handle of sht3x
* @param dev_addr sensorice address
*
* @return
* - sht3x handle_t
*/
sht3x_handle_t sht3x_create(i2c_bus_handle_t bus, uint8_t dev_addr);
/**
* @brief Delete sht3x handle_t
*
* @param sensor point to sensorice object handle of sht3x
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_delete(sht3x_handle_t *sensor);
/**
* @brief Get temperature and humidity
*
* @param sensor object handle of shd3x
* @param Tem_val temperature data buffer
* @param Hum_val humidity data buffer
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_get_humiture(sht3x_handle_t sensor, float *Tem_val, float *Hum_val);
/**
* @brief Get temperature and humidity just once
*
* @param sensor object handle of shd3x
* @param Tem_val temperature data
* @param Hum_val humidity data
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_get_single_shot(sht3x_handle_t sensor, float *Tem_val, float *Hum_val);
/**
* @brief Soft reset for sht3x
*
* @param sensor object handle of sht3x
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_soft_reset(sht3x_handle_t sensor);
/**
* @brief stop or break or stop periodic mode
*
* @param sensor object handle of sht3x
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_stop_periodic(sht3x_handle_t sensor);
/**
* @brief accelerated response time
*
* @param sensor object handle of sht3x
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_art(sht3x_handle_t sensor);
/**
* @brief set measure mode of sht3x
*
* @param sensor object handle of shd3x
* @param sht3x_cmd_measure_t the instruction to set measurement mode
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t sht3x_set_measure_mode(sht3x_handle_t sensor, sht3x_cmd_measure_t sht3x_measure_mode);
/**
* @brief change the condition of sht3x heater
*
* @param sensor object handle of shd3x
* @param sht3x_cmd_measure_t the instruction to turn on/off heater of sht3x
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
* @note
* the default condition of heater is disabled
*/
esp_err_t sht3x_heater(sht3x_handle_t sensor, sht3x_cmd_measure_t sht3x_heater_condition);
/***implements of humiture hal interface****/
#ifdef CONFIG_SENSOR_HUMITURE_INCLUDED_SHT3X
/**
* @brief initialize sht3x with default configurations
*
* @param i2c_bus i2c bus handle the sensor will attached to
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t humiture_sht3x_init(i2c_bus_handle_t handle);
/**
* @brief de-initialize sht3x
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t humiture_sht3x_deinit(void);
/**
* @brief test if sht3x is active
*
* @return
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t humiture_sht3x_test(void);
/**
* @brief acquire relative humidity result one time.
*
* @param h point to result data (unit:percentage)
* @return esp_err_t
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t humiture_sht3x_acquire_humidity(float *h);
/**
* @brief acquire temperature result one time.
*
* @param t point to result data (unit:dCelsius)
* @return esp_err_t
* - ESP_OK Success
* - ESP_FAIL Fail
*/
esp_err_t humiture_sht3x_acquire_temperature(float *t);
#endif
#ifdef __cplusplus
}
#endif
#endif