Stm32下环境传感器

Stm32下环境传感器

Stm32下环境传感器-Stlm75-hts221-spg30（Hal）

• 简介
• • IIC驱动接口
  • Stlm75
  • hts221
  • Spg30

简介

Stlm75与Hts221都是ST的传感器，有官方例程，我只是做了个搬运而已，Spg30网上也有驱动示例，所以我只是拿别人的代码过来水一贴

IIC驱动接口

/********************************************************************************* @file    bsp_i2c.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "bsp_i2c.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*/#define I2Cx_TIMEOUT_MAX      3000
#define I2Cx_MAXTRIALSIFERROR 50
/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* Extern  Functions ---------------------------------------------------------*//*** @brief  向指定的地址写入一个字节的值* @param  Addr: I2C地址* @param  Reg: 写地址* @param  Value: 要写的数据* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_WriteData( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint8_t Value )
{return ( HAL_I2C_Mem_Write( hi2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  向指定的寄存器地址写入多个数据* @param  Addr: I2C地址I2C地址* @param  Reg: 写地址* @param  RegSize: 写地址大小 (8BIT or 16BIT)* @param  pBuffer: 要写的数据* @param  Length: 数据长度* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_WriteBuffer( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length )
{return ( HAL_I2C_Mem_Write( hi2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  从指定的地址读出一个字节的内容* @param  Addr: I2C地址* @param  Reg: 读地址* @retval 成功返回读出的数据，错误返回HAL_ERROR*/
uint8_t I2Cx_ReadData( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg )
{uint8_t value = 0;/* Check the communication status */if ( HAL_OK != HAL_I2C_Mem_Read( hi2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &value, 1, I2Cx_TIMEOUT_MAX ) )return HAL_ERROR;return value;
}/*** @brief  从指定的寄存器地址读出多个数据* @param  Addr: I2C地址I2C地址* @param  Reg: 读地址* @param  RegSize: 读地址大小 (8BIT or 16BIT)* @param  pBuffer: 存储读出数据的缓冲区* @param  Length: 数据长度* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_ReadBuffer( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length )
{return ( HAL_I2C_Mem_Read( hi2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
HAL_StatusTypeDef I2Cx_IsDeviceReady( I2C_HandleTypeDef *hi2c, uint16_t DevAddress )
{return ( HAL_I2C_IsDeviceReady( hi2c, DevAddress, I2Cx_MAXTRIALSIFERROR, I2Cx_TIMEOUT_MAX ) );
}/********************************* END OF FILE *********************************/

Stlm75

/********************************************************************************* @file    module_stlm75.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_stlm75.h"
#include "bsp_i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* 设备地址 */
#define STLM75_I2C_ADDRESS 0x90/** STLM75 命令寄存器*/
/* Read Access Only */
#define STLM75_REG_TEMP 0x00  /* Temperature Register of LM75 */
/* Read/Write Access */
#define STLM75_REG_CONF 0x01  /* Configuration Register of LM75 */
#define STLM75_REG_THYS 0x02  /* Temperature Register of LM75 */
#define STLM75_REG_TOS  0x03  /* Over-temp Shutdown threshold Register of LM75 *//** STLM75 模式选择*/
#define STLM75_CONTINUOUS_MODE                  ((uint8_t)0x00)
#define STLM75_ONE_SHOT_MODE                    ((uint8_t)0x01)
#define STLM75_COMPARATOR_MODE                  ((uint8_t)0x00)
#define STLM75_INTERRUPT_MODE                   ((uint8_t)0x02)/** Alert outside range Limit Temperature 12° <-> 40°c*/
#define STLM75_TEMPERATURELIMITHIGH 40
#define STLM75_TEMPERATURELIMITlow  12/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*//* Stlm75温度传感器配置结构体 */
typedef struct
{uint8_t AlertMode;            /* Alert Mode Temperature out of range*/uint8_t ConversionMode;       /* Continuous/One Shot Mode */uint8_t ConversionResolution; /* Temperature Resolution */uint8_t ConversionRate;       /* Number of measure per second */uint8_t TemperatureLimitHigh; /* High Temperature Limit Range */uint8_t TemperatureLimitLow;  /* Low Temperature Limit Range */
}STLM75_InitTypeDef;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  Writes one byte to the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer: Pointer to data buffer* @param  WriteAddr: TSENSOR's internal address to write to.* @param  Length: Number of data to write*/
static uint8_t STLM75_Write( uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length )
{return ( I2Cx_WriteBuffer( &hi2c1, STLM75_I2C_ADDRESS, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  Reads one byte from the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer : pointer to the buffer that receives the data read from the TSENSOR.* @param  ReadAddr : TSENSOR's internal address to read from.* @param  Length: Number of data to read*/
static uint8_t STLM75_Read( uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length )
{return ( I2Cx_ReadBuffer( &hi2c1, STLM75_I2C_ADDRESS, ReadAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
static uint8_t STLM75_IsDeviceReady( void )
{return ( I2Cx_IsDeviceReady( &hi2c1, STLM75_I2C_ADDRESS ) );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  STLM75温度传感器初始化* @param  void* @note   void* @retval 初始化状态*/
uint8_t STLM75_Init( void )
{uint8_t confreg = 0;uint16_t tempreg = 0;/* 检查设备是否正常 */if ( STLM75_IsDeviceReady() != HAL_OK ) {Db_Error("Stlm75 device is error!!!");return HAL_ERROR;}do {/* Set the Configuration Register */confreg = (uint8_t)( STLM75_COMPARATOR_MODE | STLM75_CONTINUOUS_MODE );if ( STLM75_Write( &confreg, STLM75_REG_CONF, 1 ) != HAL_OK )break;/* Set the Temperature Registers *//* Keep the sign bit and shift the temperature value (as given value is integer, the 0.5 digit is not set) */tempreg = ( ( ( STLM75_TEMPERATURELIMITHIGH & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITHIGH & 0x8000 ) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_TOS, 2 ) != HAL_OK )break;tempreg = ( ( ( STLM75_TEMPERATURELIMITlow & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITlow & 0x8000) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_THYS, 2 ) != HAL_OK )break;return HAL_OK;} while ( 0 );return HAL_ERROR;
}/*** @brief  Read The Temperature Sensor Status* @param  void* @retval Status*/
uint8_t STLM75_ReadStatus( void )
{uint8_t tmp = 0;/* Read Status register */STLM75_Read( &tmp, STLM75_REG_CONF, 1 );/* Return Temperature Sensor Status */return (uint8_t)(tmp);
}/*** @brief  Read ID address of STLM75* @param  void* @retval ID name*/
uint16_t STLM75_ReadTemp( void )
{uint16_t tempreg = 0;uint16_t tmp = 0;/* Read Temperature registers */STLM75_Read( (uint8_t*)(&tempreg), STLM75_REG_TEMP, 2 );tmp = ((tempreg & 0x00FF) << 8) | ((tempreg & 0xFF00) >> 8);tempreg = (((tmp & 0x7F80) >> 7) | (tmp & 0x8000));/* Return Temperature value */return ( tempreg / 2 );
}/********************************* END OF FILE *********************************/

hts221

/********************************************************************************* @file    module_stlm75.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_stlm75.h"
#include "bsp_i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* 设备地址 */
#define STLM75_I2C_ADDRESS 0x90/** STLM75 命令寄存器*/
/* Read Access Only */
#define STLM75_REG_TEMP 0x00  /* Temperature Register of LM75 */
/* Read/Write Access */
#define STLM75_REG_CONF 0x01  /* Configuration Register of LM75 */
#define STLM75_REG_THYS 0x02  /* Temperature Register of LM75 */
#define STLM75_REG_TOS  0x03  /* Over-temp Shutdown threshold Register of LM75 *//** STLM75 模式选择*/
#define STLM75_CONTINUOUS_MODE                  ((uint8_t)0x00)
#define STLM75_ONE_SHOT_MODE                    ((uint8_t)0x01)
#define STLM75_COMPARATOR_MODE                  ((uint8_t)0x00)
#define STLM75_INTERRUPT_MODE                   ((uint8_t)0x02)/** Alert outside range Limit Temperature 12° <-> 40°c*/
#define STLM75_TEMPERATURELIMITHIGH 40
#define STLM75_TEMPERATURELIMITlow  12/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*//* Stlm75温度传感器配置结构体 */
typedef struct
{uint8_t AlertMode;            /* Alert Mode Temperature out of range*/uint8_t ConversionMode;       /* Continuous/One Shot Mode */uint8_t ConversionResolution; /* Temperature Resolution */uint8_t ConversionRate;       /* Number of measure per second */uint8_t TemperatureLimitHigh; /* High Temperature Limit Range */uint8_t TemperatureLimitLow;  /* Low Temperature Limit Range */
}STLM75_InitTypeDef;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  Writes one byte to the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer: Pointer to data buffer* @param  WriteAddr: TSENSOR's internal address to write to.* @param  Length: Number of data to write*/
static uint8_t STLM75_Write( uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length )
{return ( I2Cx_WriteBuffer( &hi2c1, STLM75_I2C_ADDRESS, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  Reads one byte from the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer : pointer to the buffer that receives the data read from the TSENSOR.* @param  ReadAddr : TSENSOR's internal address to read from.* @param  Length: Number of data to read*/
static uint8_t STLM75_Read( uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length )
{return ( I2Cx_ReadBuffer( &hi2c1, STLM75_I2C_ADDRESS, ReadAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
static uint8_t STLM75_IsDeviceReady( void )
{return ( I2Cx_IsDeviceReady( &hi2c1, STLM75_I2C_ADDRESS ) );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  STLM75温度传感器初始化* @param  void* @note   void* @retval 初始化状态*/
uint8_t STLM75_Init( void )
{uint8_t confreg = 0;uint16_t tempreg = 0;/* 检查设备是否正常 */if ( STLM75_IsDeviceReady() != HAL_OK ) {Db_Error("Stlm75 device is error!!!");return HAL_ERROR;}do {/* Set the Configuration Register */confreg = (uint8_t)( STLM75_COMPARATOR_MODE | STLM75_CONTINUOUS_MODE );if ( STLM75_Write( &confreg, STLM75_REG_CONF, 1 ) != HAL_OK )break;/* Set the Temperature Registers *//* Keep the sign bit and shift the temperature value (as given value is integer, the 0.5 digit is not set) */tempreg = ( ( ( STLM75_TEMPERATURELIMITHIGH & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITHIGH & 0x8000 ) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_TOS, 2 ) != HAL_OK )break;tempreg = ( ( ( STLM75_TEMPERATURELIMITlow & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITlow & 0x8000) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_THYS, 2 ) != HAL_OK )break;return HAL_OK;} while ( 0 );return HAL_ERROR;
}/*** @brief  Read The Temperature Sensor Status* @param  void* @retval Status*/
uint8_t STLM75_ReadStatus( void )
{uint8_t tmp = 0;/* Read Status register */STLM75_Read( &tmp, STLM75_REG_CONF, 1 );/* Return Temperature Sensor Status */return (uint8_t)(tmp);
}/*** @brief  Read ID address of STLM75* @param  void* @retval ID name*/
uint16_t STLM75_ReadTemp( void )
{uint16_t tempreg = 0;uint16_t tmp = 0;/* Read Temperature registers */STLM75_Read( (uint8_t*)(&tempreg), STLM75_REG_TEMP, 2 );tmp = ((tempreg & 0x00FF) << 8) | ((tempreg & 0xFF00) >> 8);tempreg = (((tmp & 0x7F80) >> 7) | (tmp & 0x8000));/* Return Temperature value */return ( tempreg / 2 );
}/********************************* END OF FILE *********************************/

Spg30

/********************************************************************************* @file    module_sgp30.c* @author  HuZhang* @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_sgp30.h"
#include "i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* CRC8校验参数 */
#define CRC8_POLYNOMIAL      0x31
#define CRC8_INITIAALIZATION 0xFF/* I2C地址 */
#define SGP30_ADDR       0x58
#define SGP30_ADDR_WRITE ( SGP30_ADDR << 1 )
#define SGP30_ADDR_READ  ( ( SGP30_ADDR << 1 ) + 1 )/* Private Enum --------------------------------------------------------------*/typedef enum  {/* 初始化空气质量测量 */INIT_AIR_QUALITY    = 0x2003,/* 开始空气质量测量 */MEASURE_AIR_QUALITY = 0x2008
}sgp30_cmd;/* Private Struct ------------------------------------------------------------*/struct sgp30_data_t {uint16_t co2;uint16_t tvoc;
}sgp30Data;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  CRC-8校验* @param  message：要校验的数据* @param  initial_value：要校验的数据* @note   void* @retval void*/
uint8_t CheckCrc8( const uint8_t* message )
{uint8_t  remainder;     /* 余数 */uint8_t  i = 0, j = 0;  /* 循环变量 *//* 初始化 */remainder = CRC8_INITIAALIZATION;for ( j = 0; j < 2; j++ ) {remainder ^= message[ j ];/* 从最高位开始依次计算  */for ( i = 0; i < 8; i++ ) {if ( remainder & 0x80 ) {remainder = ( remainder << 1 ) ^ CRC8_POLYNOMIAL;}else {remainder = ( remainder << 1 );}}}/* 返回计算的CRC码 */return remainder;
}/*** @brief   软复位SGP30* @param   void* @retval  成功返回HAL_OK
*/
static uint8_t sgp30SoftReset( void )
{uint8_t cmd = 0x06;return HAL_I2C_Master_Transmit( &hi2c1, SGP30_ADDR_WRITE, &cmd, 1, 0xFFFF );
}/*** @brief  spg指令发送* @param  cmd：指令* @note   void* @retval 发送结果*/
static uint8_t spg30CmdSend ( sgp30_cmd cmd )
{uint8_t cmdBuffer[2];cmdBuffer[ 0 ] = cmd >> 8;cmdBuffer[ 1 ] = cmd;return HAL_I2C_Master_Transmit( &hi2c1, SGP30_ADDR_WRITE, cmdBuffer, 2, 0xFFFF );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  初始化空气传感器-spg30* @param  void* @note   void* @retval void*/
uint8_t sgp30Init ( void )
{/* 复位 */if ( HAL_OK != sgp30SoftReset() )return HAL_ERROR;HAL_Delay( 100 );return spg30CmdSend( INIT_AIR_QUALITY );
}/*** @brief  sgp30获取空气质量参数* @param  sgp30Data:二氧化碳浓度 甲醛浓度* @note   void* @retval void*/
uint8_t spg30GetArgument ( uint16_t *sgp30Data )
{uint8_t status;uint8_t recv_buffer[6] = { 0 };/* 启动测量 */status = spg30CmdSend( MEASURE_AIR_QUALITY );if ( status != HAL_OK ) {Db_Error("sgp30 start fail\r\n");return HAL_ERROR;}HAL_Delay(100);/* 读取测量数据 */status = HAL_I2C_Master_Receive( &hi2c1, SGP30_ADDR_READ, (uint8_t*)recv_buffer, 6, 0xFFFF );if ( status != HAL_OK ) {Db_Error("I2C Master Receive fail\r\n");return HAL_ERROR;}/* 校验接收的测量数据 */if ( CheckCrc8( &recv_buffer[ 0 ] ) != recv_buffer[ 2 ]) {Db_Error("co2 recv data crc check fail\r\n");return HAL_ERROR;}if ( CheckCrc8( &recv_buffer[ 3 ] ) != recv_buffer[ 5 ]) {Db_Error("tvoc recv data crc check fail\r\n");return HAL_ERROR;}/* 转换测量数据 */sgp30Data[ 0 ]  = recv_buffer[ 0 ] << 8 | recv_buffer[ 1 ];sgp30Data[ 1 ] = recv_buffer[ 3 ] << 8 | recv_buffer[ 4 ];return HAL_OK;
}/********************************* END OF FILE *********************************/

Stm32下环境传感器

Stm32下环境传感器-Stlm75-hts221-spg30（Hal）

• 简介
• • IIC驱动接口
  • Stlm75
  • hts221
  • Spg30

简介

Stlm75与Hts221都是ST的传感器，有官方例程，我只是做了个搬运而已，Spg30网上也有驱动示例，所以我只是拿别人的代码过来水一贴

IIC驱动接口

/********************************************************************************* @file    bsp_i2c.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "bsp_i2c.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*/#define I2Cx_TIMEOUT_MAX      3000
#define I2Cx_MAXTRIALSIFERROR 50
/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* Extern  Functions ---------------------------------------------------------*//*** @brief  向指定的地址写入一个字节的值* @param  Addr: I2C地址* @param  Reg: 写地址* @param  Value: 要写的数据* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_WriteData( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint8_t Value )
{return ( HAL_I2C_Mem_Write( hi2c, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  向指定的寄存器地址写入多个数据* @param  Addr: I2C地址I2C地址* @param  Reg: 写地址* @param  RegSize: 写地址大小 (8BIT or 16BIT)* @param  pBuffer: 要写的数据* @param  Length: 数据长度* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_WriteBuffer( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length )
{return ( HAL_I2C_Mem_Write( hi2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  从指定的地址读出一个字节的内容* @param  Addr: I2C地址* @param  Reg: 读地址* @retval 成功返回读出的数据，错误返回HAL_ERROR*/
uint8_t I2Cx_ReadData( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg )
{uint8_t value = 0;/* Check the communication status */if ( HAL_OK != HAL_I2C_Mem_Read( hi2c, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &value, 1, I2Cx_TIMEOUT_MAX ) )return HAL_ERROR;return value;
}/*** @brief  从指定的寄存器地址读出多个数据* @param  Addr: I2C地址I2C地址* @param  Reg: 读地址* @param  RegSize: 读地址大小 (8BIT or 16BIT)* @param  pBuffer: 存储读出数据的缓冲区* @param  Length: 数据长度* @retval 执行状态码*/
HAL_StatusTypeDef I2Cx_ReadBuffer( I2C_HandleTypeDef *hi2c, uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length )
{return ( HAL_I2C_Mem_Read( hi2c, Addr, (uint16_t)Reg, RegSize, pBuffer, Length, I2Cx_TIMEOUT_MAX ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
HAL_StatusTypeDef I2Cx_IsDeviceReady( I2C_HandleTypeDef *hi2c, uint16_t DevAddress )
{return ( HAL_I2C_IsDeviceReady( hi2c, DevAddress, I2Cx_MAXTRIALSIFERROR, I2Cx_TIMEOUT_MAX ) );
}/********************************* END OF FILE *********************************/

Stlm75

/********************************************************************************* @file    module_stlm75.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_stlm75.h"
#include "bsp_i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* 设备地址 */
#define STLM75_I2C_ADDRESS 0x90/** STLM75 命令寄存器*/
/* Read Access Only */
#define STLM75_REG_TEMP 0x00  /* Temperature Register of LM75 */
/* Read/Write Access */
#define STLM75_REG_CONF 0x01  /* Configuration Register of LM75 */
#define STLM75_REG_THYS 0x02  /* Temperature Register of LM75 */
#define STLM75_REG_TOS  0x03  /* Over-temp Shutdown threshold Register of LM75 *//** STLM75 模式选择*/
#define STLM75_CONTINUOUS_MODE                  ((uint8_t)0x00)
#define STLM75_ONE_SHOT_MODE                    ((uint8_t)0x01)
#define STLM75_COMPARATOR_MODE                  ((uint8_t)0x00)
#define STLM75_INTERRUPT_MODE                   ((uint8_t)0x02)/** Alert outside range Limit Temperature 12° <-> 40°c*/
#define STLM75_TEMPERATURELIMITHIGH 40
#define STLM75_TEMPERATURELIMITlow  12/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*//* Stlm75温度传感器配置结构体 */
typedef struct
{uint8_t AlertMode;            /* Alert Mode Temperature out of range*/uint8_t ConversionMode;       /* Continuous/One Shot Mode */uint8_t ConversionResolution; /* Temperature Resolution */uint8_t ConversionRate;       /* Number of measure per second */uint8_t TemperatureLimitHigh; /* High Temperature Limit Range */uint8_t TemperatureLimitLow;  /* Low Temperature Limit Range */
}STLM75_InitTypeDef;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  Writes one byte to the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer: Pointer to data buffer* @param  WriteAddr: TSENSOR's internal address to write to.* @param  Length: Number of data to write*/
static uint8_t STLM75_Write( uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length )
{return ( I2Cx_WriteBuffer( &hi2c1, STLM75_I2C_ADDRESS, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  Reads one byte from the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer : pointer to the buffer that receives the data read from the TSENSOR.* @param  ReadAddr : TSENSOR's internal address to read from.* @param  Length: Number of data to read*/
static uint8_t STLM75_Read( uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length )
{return ( I2Cx_ReadBuffer( &hi2c1, STLM75_I2C_ADDRESS, ReadAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
static uint8_t STLM75_IsDeviceReady( void )
{return ( I2Cx_IsDeviceReady( &hi2c1, STLM75_I2C_ADDRESS ) );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  STLM75温度传感器初始化* @param  void* @note   void* @retval 初始化状态*/
uint8_t STLM75_Init( void )
{uint8_t confreg = 0;uint16_t tempreg = 0;/* 检查设备是否正常 */if ( STLM75_IsDeviceReady() != HAL_OK ) {Db_Error("Stlm75 device is error!!!");return HAL_ERROR;}do {/* Set the Configuration Register */confreg = (uint8_t)( STLM75_COMPARATOR_MODE | STLM75_CONTINUOUS_MODE );if ( STLM75_Write( &confreg, STLM75_REG_CONF, 1 ) != HAL_OK )break;/* Set the Temperature Registers *//* Keep the sign bit and shift the temperature value (as given value is integer, the 0.5 digit is not set) */tempreg = ( ( ( STLM75_TEMPERATURELIMITHIGH & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITHIGH & 0x8000 ) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_TOS, 2 ) != HAL_OK )break;tempreg = ( ( ( STLM75_TEMPERATURELIMITlow & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITlow & 0x8000) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_THYS, 2 ) != HAL_OK )break;return HAL_OK;} while ( 0 );return HAL_ERROR;
}/*** @brief  Read The Temperature Sensor Status* @param  void* @retval Status*/
uint8_t STLM75_ReadStatus( void )
{uint8_t tmp = 0;/* Read Status register */STLM75_Read( &tmp, STLM75_REG_CONF, 1 );/* Return Temperature Sensor Status */return (uint8_t)(tmp);
}/*** @brief  Read ID address of STLM75* @param  void* @retval ID name*/
uint16_t STLM75_ReadTemp( void )
{uint16_t tempreg = 0;uint16_t tmp = 0;/* Read Temperature registers */STLM75_Read( (uint8_t*)(&tempreg), STLM75_REG_TEMP, 2 );tmp = ((tempreg & 0x00FF) << 8) | ((tempreg & 0xFF00) >> 8);tempreg = (((tmp & 0x7F80) >> 7) | (tmp & 0x8000));/* Return Temperature value */return ( tempreg / 2 );
}/********************************* END OF FILE *********************************/

hts221

/********************************************************************************* @file    module_stlm75.c* @author  * @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_stlm75.h"
#include "bsp_i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* 设备地址 */
#define STLM75_I2C_ADDRESS 0x90/** STLM75 命令寄存器*/
/* Read Access Only */
#define STLM75_REG_TEMP 0x00  /* Temperature Register of LM75 */
/* Read/Write Access */
#define STLM75_REG_CONF 0x01  /* Configuration Register of LM75 */
#define STLM75_REG_THYS 0x02  /* Temperature Register of LM75 */
#define STLM75_REG_TOS  0x03  /* Over-temp Shutdown threshold Register of LM75 *//** STLM75 模式选择*/
#define STLM75_CONTINUOUS_MODE                  ((uint8_t)0x00)
#define STLM75_ONE_SHOT_MODE                    ((uint8_t)0x01)
#define STLM75_COMPARATOR_MODE                  ((uint8_t)0x00)
#define STLM75_INTERRUPT_MODE                   ((uint8_t)0x02)/** Alert outside range Limit Temperature 12° <-> 40°c*/
#define STLM75_TEMPERATURELIMITHIGH 40
#define STLM75_TEMPERATURELIMITlow  12/* Private Enum --------------------------------------------------------------*/
/* Private Struct ------------------------------------------------------------*//* Stlm75温度传感器配置结构体 */
typedef struct
{uint8_t AlertMode;            /* Alert Mode Temperature out of range*/uint8_t ConversionMode;       /* Continuous/One Shot Mode */uint8_t ConversionResolution; /* Temperature Resolution */uint8_t ConversionRate;       /* Number of measure per second */uint8_t TemperatureLimitHigh; /* High Temperature Limit Range */uint8_t TemperatureLimitLow;  /* Low Temperature Limit Range */
}STLM75_InitTypeDef;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  Writes one byte to the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer: Pointer to data buffer* @param  WriteAddr: TSENSOR's internal address to write to.* @param  Length: Number of data to write*/
static uint8_t STLM75_Write( uint8_t* pBuffer, uint8_t WriteAddr, uint16_t Length )
{return ( I2Cx_WriteBuffer( &hi2c1, STLM75_I2C_ADDRESS, WriteAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  Reads one byte from the TSENSOR.* @param  DevAddress: Target device address* @param  pBuffer : pointer to the buffer that receives the data read from the TSENSOR.* @param  ReadAddr : TSENSOR's internal address to read from.* @param  Length: Number of data to read*/
static uint8_t STLM75_Read( uint8_t* pBuffer, uint8_t ReadAddr, uint16_t Length )
{return ( I2Cx_ReadBuffer( &hi2c1, STLM75_I2C_ADDRESS, ReadAddr, I2C_MEMADD_SIZE_8BIT, pBuffer, Length ) );
}/*** @brief  检查指定地址的I2C设备通讯是否正常* @note   只用于Rom设备* @param  DevAddress: 设备地址* @param  Trials: 测试值* @retval 状态*/
static uint8_t STLM75_IsDeviceReady( void )
{return ( I2Cx_IsDeviceReady( &hi2c1, STLM75_I2C_ADDRESS ) );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  STLM75温度传感器初始化* @param  void* @note   void* @retval 初始化状态*/
uint8_t STLM75_Init( void )
{uint8_t confreg = 0;uint16_t tempreg = 0;/* 检查设备是否正常 */if ( STLM75_IsDeviceReady() != HAL_OK ) {Db_Error("Stlm75 device is error!!!");return HAL_ERROR;}do {/* Set the Configuration Register */confreg = (uint8_t)( STLM75_COMPARATOR_MODE | STLM75_CONTINUOUS_MODE );if ( STLM75_Write( &confreg, STLM75_REG_CONF, 1 ) != HAL_OK )break;/* Set the Temperature Registers *//* Keep the sign bit and shift the temperature value (as given value is integer, the 0.5 digit is not set) */tempreg = ( ( ( STLM75_TEMPERATURELIMITHIGH & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITHIGH & 0x8000 ) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_TOS, 2 ) != HAL_OK )break;tempreg = ( ( ( STLM75_TEMPERATURELIMITlow & 0x007F) << 8) | ( STLM75_TEMPERATURELIMITlow & 0x8000) );if ( STLM75_Write( (uint8_t*)(&tempreg), STLM75_REG_THYS, 2 ) != HAL_OK )break;return HAL_OK;} while ( 0 );return HAL_ERROR;
}/*** @brief  Read The Temperature Sensor Status* @param  void* @retval Status*/
uint8_t STLM75_ReadStatus( void )
{uint8_t tmp = 0;/* Read Status register */STLM75_Read( &tmp, STLM75_REG_CONF, 1 );/* Return Temperature Sensor Status */return (uint8_t)(tmp);
}/*** @brief  Read ID address of STLM75* @param  void* @retval ID name*/
uint16_t STLM75_ReadTemp( void )
{uint16_t tempreg = 0;uint16_t tmp = 0;/* Read Temperature registers */STLM75_Read( (uint8_t*)(&tempreg), STLM75_REG_TEMP, 2 );tmp = ((tempreg & 0x00FF) << 8) | ((tempreg & 0xFF00) >> 8);tempreg = (((tmp & 0x7F80) >> 7) | (tmp & 0x8000));/* Return Temperature value */return ( tempreg / 2 );
}/********************************* END OF FILE *********************************/

Spg30

/********************************************************************************* @file    module_sgp30.c* @author  HuZhang* @version V1.1* @date    Mar 5, 2021* @brief   ******************************************************************************* @attention*********************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "module_sgp30.h"
#include "i2c.h"
#include "tool.h"/* Private Typedef -----------------------------------------------------------*/
/* Private Define ------------------------------------------------------------*//* CRC8校验参数 */
#define CRC8_POLYNOMIAL      0x31
#define CRC8_INITIAALIZATION 0xFF/* I2C地址 */
#define SGP30_ADDR       0x58
#define SGP30_ADDR_WRITE ( SGP30_ADDR << 1 )
#define SGP30_ADDR_READ  ( ( SGP30_ADDR << 1 ) + 1 )/* Private Enum --------------------------------------------------------------*/typedef enum  {/* 初始化空气质量测量 */INIT_AIR_QUALITY    = 0x2003,/* 开始空气质量测量 */MEASURE_AIR_QUALITY = 0x2008
}sgp30_cmd;/* Private Struct ------------------------------------------------------------*/struct sgp30_data_t {uint16_t co2;uint16_t tvoc;
}sgp30Data;/* Private variables ---------------------------------------------------------*/
/* Extern  variables ---------------------------------------------------------*/
/* Private Functions Prototypes-----------------------------------------------*/
/* Private functions ---------------------------------------------------------*//*** @brief  CRC-8校验* @param  message：要校验的数据* @param  initial_value：要校验的数据* @note   void* @retval void*/
uint8_t CheckCrc8( const uint8_t* message )
{uint8_t  remainder;     /* 余数 */uint8_t  i = 0, j = 0;  /* 循环变量 *//* 初始化 */remainder = CRC8_INITIAALIZATION;for ( j = 0; j < 2; j++ ) {remainder ^= message[ j ];/* 从最高位开始依次计算  */for ( i = 0; i < 8; i++ ) {if ( remainder & 0x80 ) {remainder = ( remainder << 1 ) ^ CRC8_POLYNOMIAL;}else {remainder = ( remainder << 1 );}}}/* 返回计算的CRC码 */return remainder;
}/*** @brief   软复位SGP30* @param   void* @retval  成功返回HAL_OK
*/
static uint8_t sgp30SoftReset( void )
{uint8_t cmd = 0x06;return HAL_I2C_Master_Transmit( &hi2c1, SGP30_ADDR_WRITE, &cmd, 1, 0xFFFF );
}/*** @brief  spg指令发送* @param  cmd：指令* @note   void* @retval 发送结果*/
static uint8_t spg30CmdSend ( sgp30_cmd cmd )
{uint8_t cmdBuffer[2];cmdBuffer[ 0 ] = cmd >> 8;cmdBuffer[ 1 ] = cmd;return HAL_I2C_Master_Transmit( &hi2c1, SGP30_ADDR_WRITE, cmdBuffer, 2, 0xFFFF );
}/* Extern  Functions ---------------------------------------------------------*//*** @brief  初始化空气传感器-spg30* @param  void* @note   void* @retval void*/
uint8_t sgp30Init ( void )
{/* 复位 */if ( HAL_OK != sgp30SoftReset() )return HAL_ERROR;HAL_Delay( 100 );return spg30CmdSend( INIT_AIR_QUALITY );
}/*** @brief  sgp30获取空气质量参数* @param  sgp30Data:二氧化碳浓度 甲醛浓度* @note   void* @retval void*/
uint8_t spg30GetArgument ( uint16_t *sgp30Data )
{uint8_t status;uint8_t recv_buffer[6] = { 0 };/* 启动测量 */status = spg30CmdSend( MEASURE_AIR_QUALITY );if ( status != HAL_OK ) {Db_Error("sgp30 start fail\r\n");return HAL_ERROR;}HAL_Delay(100);/* 读取测量数据 */status = HAL_I2C_Master_Receive( &hi2c1, SGP30_ADDR_READ, (uint8_t*)recv_buffer, 6, 0xFFFF );if ( status != HAL_OK ) {Db_Error("I2C Master Receive fail\r\n");return HAL_ERROR;}/* 校验接收的测量数据 */if ( CheckCrc8( &recv_buffer[ 0 ] ) != recv_buffer[ 2 ]) {Db_Error("co2 recv data crc check fail\r\n");return HAL_ERROR;}if ( CheckCrc8( &recv_buffer[ 3 ] ) != recv_buffer[ 5 ]) {Db_Error("tvoc recv data crc check fail\r\n");return HAL_ERROR;}/* 转换测量数据 */sgp30Data[ 0 ]  = recv_buffer[ 0 ] << 8 | recv_buffer[ 1 ];sgp30Data[ 1 ] = recv_buffer[ 3 ] << 8 | recv_buffer[ 4 ];return HAL_OK;
}/********************************* END OF FILE *********************************/