#ifndef __SHT3X_H__
#define __SHT3X_H__

#ifdef __cplusplus
extern "C"{
#endif
#include "main.h"

#define SHT3X_USING_HARDWARE_I2C 1 //使用硬件i2c

#if SHT3X_USING_HARDWARE_I2C
#include "i2c.h"
//#define I2Cx hi2c2
#endif

#define SHT3X_ADDRESS (0x44 << 1) //ADDR-->GND(0x44<<1)/ADDR-->VCC(0x45<<1)
//读取的温湿度数据
typedef struct SHT3x_TemperatureHumidity
{
  float SHT3x_Temperature;
  float SHT3x_Humidity;
} SHT3x_ReadData;
extern SHT3x_ReadData SHT3x_Data;

//SHT3x相关指令
typedef enum
{
  /**
   * 软件复位命令
   **/
  SOFT_RESET = 0x30A2,
  /**
   * 单发模式下的测量命令
   * 重复性高、中、低(Repeatability)
   * 时钟拉伸使能/失能(Clock stretching)(注:开启时钟拉伸后，SCL总线将一直为低电平，需重新上电)
   **/
  SINGLE_HIGH_ENABLE = 0x2C06,
  SINGLE_MEDIUM_ENABLE = 0x2C0D,
  SINGLE_LOW_ENABLE = 0x2C10,
  SINGLE_HIGH_DISABLE = 0x2400,
  SINGLE_MEDIUM_DISABLE = 0x240B,
  SINGLE_LOW_DISABLE = 0x2416,
  /**
   * 周期数据采集模式的测量命令
   * 重复性高、中、低(Repeatability)
   * 数据采集频率0.5/1/2/4/10(measurements per second)
   **/
  PERIODIC_HIGH_0_5 = 0x2032,
  PERIODIC_MEDIUM_0_5 = 0x2024,
  PERIODIC_LOW_0_5 = 0x202F,
  PERIODIC_HIGH_1 = 0x2130,
  PERIODIC_MEDIUM_1 = 0x2126,
  PERIODIC_LOW_1 = 0x212D,
  PERIODIC_HIGH_2 = 0x2236,
  PERIODIC_MEDIUM_2 = 0x2220,
  PERIODIC_LOW_2 = 0x222B,
  PERIODIC_HIGH_4 = 0x2334,
  PERIODIC_MEDIUM_4 = 0x2322,
  PERIODIC_LOW_4 = 0x2329,
  PERIODIC_HIGH_10 = 0x2737,
  PERIODIC_MEDIUM_10 = 0x2721,
  PERIODIC_LOW_10 = 0x272A,
  /**
   * 周期模式测量结果的读出
   **/
  FETCH_DATA_PERIODIC = 0xE000,
  /**
   * 中断命令/停止周期数据采集模式
   **/
  BREAK_ACQUISITION_DATA = 0x3093,
  /**
   * 打开和关闭加热器
   **/
  HEATER_ENABLE = 0x306D,
  HEATER_DISABLE = 0x3066,
  /**
   * 读取状态寄存器
   **/
  READ_STATUS_REGISTER = 0xF32D,
  /**
   * 清除状态寄存器
   **/
  CLEAR_STATUS_REGISTER = 0x3041,
  /**
   * ART加速响应时间命令
   **/
  ACCELERATED_RESPONSE_TIME = 0x2B32
} SHT3x_CMD;

#define SHT3x_Delay_ms(__xms) HAL_Delay(__xms)

uint8_t SHT3x_Soft_Reset(void);
uint8_t SHT3x_Init_Measurement_Mode(SHT3x_CMD Mode);
uint8_t SHT3x_Get_TemperatureHumidity(float *temperature, float *humidity);
uint8_t CRC8_Calculation(uint8_t *const message, uint8_t initial_value);

#ifdef __cplusplus
}
#endif

#endif //__SHT3X_H__