102 lines
2.4 KiB
C
102 lines
2.4 KiB
C
#ifndef __SHT3X_H__
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#define __SHT3X_H__
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#ifdef __cplusplus
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extern "C"{
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#endif
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#include "main.h"
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#define SHT3X_USING_HARDWARE_I2C 1 //使用硬件i2c
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#if SHT3X_USING_HARDWARE_I2C
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#include "i2c.h"
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//#define I2Cx hi2c2
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#endif
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#define SHT3X_ADDRESS (0x44 << 1) //ADDR-->GND(0x44<<1)/ADDR-->VCC(0x45<<1)
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//读取的温湿度数据
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typedef struct SHT3x_TemperatureHumidity
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{
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float SHT3x_Temperature;
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float SHT3x_Humidity;
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} SHT3x_ReadData;
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extern SHT3x_ReadData SHT3x_Data;
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//SHT3x相关指令
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typedef enum
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{
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/**
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* 软件复位命令
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**/
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SOFT_RESET = 0x30A2,
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/**
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* 单发模式下的测量命令
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* 重复性高、中、低(Repeatability)
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* 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)
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**/
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SINGLE_HIGH_ENABLE = 0x2C06,
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SINGLE_MEDIUM_ENABLE = 0x2C0D,
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SINGLE_LOW_ENABLE = 0x2C10,
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SINGLE_HIGH_DISABLE = 0x2400,
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SINGLE_MEDIUM_DISABLE = 0x240B,
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SINGLE_LOW_DISABLE = 0x2416,
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/**
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* 周期数据采集模式的测量命令
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* 重复性高、中、低(Repeatability)
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* 数据采集频率0.5/1/2/4/10(measurements per second)
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**/
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PERIODIC_HIGH_0_5 = 0x2032,
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PERIODIC_MEDIUM_0_5 = 0x2024,
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PERIODIC_LOW_0_5 = 0x202F,
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PERIODIC_HIGH_1 = 0x2130,
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PERIODIC_MEDIUM_1 = 0x2126,
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PERIODIC_LOW_1 = 0x212D,
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PERIODIC_HIGH_2 = 0x2236,
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PERIODIC_MEDIUM_2 = 0x2220,
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PERIODIC_LOW_2 = 0x222B,
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PERIODIC_HIGH_4 = 0x2334,
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PERIODIC_MEDIUM_4 = 0x2322,
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PERIODIC_LOW_4 = 0x2329,
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PERIODIC_HIGH_10 = 0x2737,
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PERIODIC_MEDIUM_10 = 0x2721,
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PERIODIC_LOW_10 = 0x272A,
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/**
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* 周期模式测量结果的读出
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**/
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FETCH_DATA_PERIODIC = 0xE000,
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/**
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* 中断命令/停止周期数据采集模式
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**/
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BREAK_ACQUISITION_DATA = 0x3093,
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/**
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* 打开和关闭加热器
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**/
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HEATER_ENABLE = 0x306D,
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HEATER_DISABLE = 0x3066,
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/**
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* 读取状态寄存器
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**/
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READ_STATUS_REGISTER = 0xF32D,
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/**
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* 清除状态寄存器
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**/
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CLEAR_STATUS_REGISTER = 0x3041,
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/**
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* ART加速响应时间命令
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**/
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ACCELERATED_RESPONSE_TIME = 0x2B32
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} SHT3x_CMD;
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#define SHT3x_Delay_ms(__xms) HAL_Delay(__xms)
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uint8_t SHT3x_Soft_Reset(void);
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uint8_t SHT3x_Init_Measurement_Mode(SHT3x_CMD Mode);
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uint8_t SHT3x_Get_TemperatureHumidity(float *temperature, float *humidity);
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uint8_t CRC8_Calculation(uint8_t *const message, uint8_t initial_value);
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#ifdef __cplusplus
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}
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#endif
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#endif //__SHT3X_H__
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