STM32硬件IIC驱动SHT35

1、STM32CubeMX配置硬件IIC。

sht3x.c

#define __GLOBAL_SHT3X

#include "sht3x.h"

uint8_t	SHT30_Send_Cmd(uint16_t cmd)
{
  uint8_t cmd_buffer[2];
  cmd_buffer[0] = cmd >> 8;
  cmd_buffer[1] = cmd;
  return HAL_I2C_Master_Transmit(&hi2c1, SHT30_ADDR_WRITE, (uint8_t*)cmd_buffer, 2, 0xFFFF);
}

//SHT35初始化；0-成功，其它-失败；
uint8_t SHT3X_Init(void)
{
  return SHT30_Send_Cmd(SOFT_RESET_CMD);
}
/**
 * @brief	从SHT30读取一次数据
 * @param	dat —— 存储读取数据的地址（6个字节数组）
 * @retval	成功 —— 返回HAL_OK
*/
uint8_t SHT30_Read_Dat(uint8_t* dat)
{
  SHT30_Send_Cmd(MEDIUM_ENABLED_CMD);
  return HAL_I2C_Master_Receive(&hi2c1, SHT30_ADDR_READ, dat, 6, 0xFFFF);
}

//主程序定时调用
//读取  Measurement Results
void SHT3x_Read(void)
{
  uint16_t temp=0,hum=0;
  uint8_t SHT3X_Valu