wj-controller/main/app/include/sht30.h

/**
 * @Author: 李建
 * @Date: 2025/4/22 13:48
 * Description: 温湿度传感器
 * Copyright: Copyright (©) 2025 永续绿建. All rights reserved.
 */
#ifndef WIRE_CONTROLLER_SHT30_H
#define WIRE_CONTROLLER_SHT30_H


#define I2C_MASTER_SCL_IO           GPIO_NUM_38      /*!< GPIO number used for I2C master clock */
#define I2C_MASTER_SDA_IO           GPIO_NUM_39      /*!< GPIO number used for I2C master data  */
#define I2C_MASTER_NUM              0                          /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
#define I2C_MASTER_FREQ_HZ          400000                     /*!< I2C master clock frequency */
#define I2C_MASTER_TX_BUF_DISABLE   0                          /*!< I2C master doesn't need buffer */
#define I2C_MASTER_RX_BUF_DISABLE   0                          /*!< I2C master doesn't need buffer */
#define SHT3X_TICKS_TO_WAIT           (100 / portTICK_PERIOD_MS)    // I2C读写的超时等待时间

#define SHT3X_I2C_BUS                 I2C_NUM_1 // SHT30所在的I2C总线

#define SHT3X_SLAVE_ADDRESS           0x44    // SHT30在I2C总线上的从机器件地址


// SHT30命令列表
typedef enum
{
    /* 软件复位命令 */

    SOFT_RESET_CMD = 0x30A2,
    /*
    单次测量模式
    命名格式：Repeatability_CS_CMD
    CS：Clock stretching
    */
    HIGH_ENABLED_CMD    = 0x2C06,
    MEDIUM_ENABLED_CMD  = 0x2C0D,
    LOW_ENABLED_CMD     = 0x2C10,
    HIGH_DISABLED_CMD   = 0x2400,
    MEDIUM_DISABLED_CMD = 0x240B,
    LOW_DISABLED_CMD    = 0x2416,

    /*
    周期测量模式
    命名格式：Repeatability_MPS_CMD
    MPS：measurement per second
    */
    HIGH_0_5_CMD   = 0x2032,
    MEDIUM_0_5_CMD = 0x2024,
    LOW_0_5_CMD    = 0x202F,
    HIGH_1_CMD     = 0x2130,
    MEDIUM_1_CMD   = 0x2126,
    LOW_1_CMD      = 0x212D,
    HIGH_2_CMD     = 0x2236,
    MEDIUM_2_CMD   = 0x2220,
    LOW_2_CMD      = 0x222B,
    HIGH_4_CMD     = 0x2334,
    MEDIUM_4_CMD   = 0x2322,
    LOW_4_CMD      = 0x2329,
    HIGH_10_CMD    = 0x2737,
    MEDIUM_10_CMD  = 0x2721,
    LOW_10_CMD     = 0x272A,
    /* 周期测量模式读取数据命令 */
    READOUT_FOR_PERIODIC_MODE = 0xE000,
} SHT30_CMD;

/**
 * 包含数据的结构体
 */
typedef struct {
    float temperature;
    float humidity;
}sht30_data_t;

extern sht30_data_t sht30Data;

void sht30_init();


#endif //WIRE_CONTROLLER_SHT30_H