SPL06-007气压传感器（气压计示例）

比眉伴天荒 2022-09-09 01:57 382阅读 0赞

**目录**

概述

一、原理图

二、平台

三、编码

四、运行结果

五、总结

--------------------

## 概述 ##

最近项目上的需要，增加气压检测功能，通过网上搜索得知，这个传感器的资料比较少，在此写了一个Demo，希望能帮助到需要的攻城狮们，一起学习一起探讨，加油 加油 加油！

## 一、原理图 ##

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAQ2hfY2hhbXBpb24_size_11_color_FFFFFF_t_70_g_se_x_16][]

## 二、平台 ##

1、keil5.29

2、RTL8762D（瑞昱 蓝牙芯片）

## 三、编码 ##

1、spl06\_007.h文件

/* Define to prevent recursive inclusion -------------------------------------*/
    #ifndef __SPL06_007_H__
    #define __SPL06_007_H__
    #include "stdint.h"
    
    
    
    #define SPL06_7BITI2C_ADDRESS		0x76
    
    
    //Barometric rate(sample/sec),Background Model using
    #define  PM_RATE_1          (0<<4)      //1 measurements pr. sec.
    #define  PM_RATE_2          (1<<4)      //2 measurements pr. sec.
    #define  PM_RATE_4          (2<<4)      //4 measurements pr. sec.           
    #define  PM_RATE_8          (3<<4)      //8 measurements pr. sec.
    #define  PM_RATE_16         (4<<4)      //16 measurements pr. sec.
    #define  PM_RATE_32         (5<<4)      //32 measurements pr. sec.
    #define  PM_RATE_64         (6<<4)      //64 measurements pr. sec.
    #define  PM_RATE_128        (7<<4)      //128 measurements pr. sec.
    
    //Air pressure resampling rate(times),Background Model using
    #define PM_PRC_1            0       //Sigle         kP=524288   ,3.6ms
    #define PM_PRC_2            1       //2 times       kP=1572864  ,5.2ms
    #define PM_PRC_4            2       //4 times       kP=3670016  ,8.4ms
    #define PM_PRC_8            3       //8 times       kP=7864320  ,14.8ms
    #define PM_PRC_16           4       //16 times      kP=253952   ,27.6ms
    #define PM_PRC_32           5       //32 times      kP=516096   ,53.2ms
    #define PM_PRC_64           6       //64 times      kP=1040384  ,104.4ms
    #define PM_PRC_128          7       //128 times     kP=2088960  ,206.8ms
    
    //Temperature measurement rate(sample/sec),Background Model using
    #define  TMP_RATE_1         (0<<4)      //1 measurements pr. sec.
    #define  TMP_RATE_2         (1<<4)      //2 measurements pr. sec.
    #define  TMP_RATE_4         (2<<4)      //4 measurements pr. sec.           
    #define  TMP_RATE_8         (3<<4)      //8 measurements pr. sec.
    #define  TMP_RATE_16        (4<<4)      //16 measurements pr. sec.
    #define  TMP_RATE_32        (5<<4)      //32 measurements pr. sec.
    #define  TMP_RATE_64        (6<<4)      //64 measurements pr. sec.
    #define  TMP_RATE_128       (7<<4)      //128 measurements pr. sec.
    
    //Temperature resampling rate(times),Background Model using
    #define TMP_PRC_1           0       //Sigle
    #define TMP_PRC_2           1       //2 times
    #define TMP_PRC_4           2       //4 times
    #define TMP_PRC_8           3       //8 times
    #define TMP_PRC_16          4       //16 times
    #define TMP_PRC_32          5       //32 times
    #define TMP_PRC_64          6       //64 times
    #define TMP_PRC_128         7       //128 times
    
    //SPL06_MEAS_CFG
    #define MEAS_COEF_RDY       0x80
    #define MEAS_SENSOR_RDY     0x40        //The sensor is initialized
    #define MEAS_TMP_RDY        0x20        //There are new temperature data
    #define MEAS_PRS_RDY        0x10        //We have new barometric data
    
    #define MEAS_CTRL_Standby               0x00    //idle mode
    #define MEAS_CTRL_PressMeasure          0x01    //Single pressure measurement
    #define MEAS_CTRL_TempMeasure           0x02    //Single temperature measurement
    #define MEAS_CTRL_ContinuousPress       0x05    //Continuous pressure measurement
    #define MEAS_CTRL_ContinuousTemp        0x06    //Continuous temperature measurement
    #define MEAS_CTRL_ContinuousPressTemp   0x07    //Continuous barometric temperature measurement
    
    //FIFO_STS
    #define SPL06_FIFO_FULL     0x02
    #define SPL06_FIFO_EMPTY    0x01
    
    //INT_STS
    #define SPL06_INT_FIFO_FULL     0x04
    #define SPL06_INT_TMP           0x02
    #define SPL06_INT_PRS           0x01
    
    //CFG_REG
    #define SPL06_CFG_T_SHIFT   0x08    //oversampling times>8 Must be used at 8 o 'clock
    #define SPL06_CFG_P_SHIFT   0x04
    
    #define SP06_PSR_B2     0x00        //pressure value
    #define SP06_PSR_B1     0x01
    #define SP06_PSR_B0     0x02
    #define SP06_TMP_B2     0x03        //Temperature value
    #define SP06_TMP_B1     0x04
    #define SP06_TMP_B0     0x05
    
    #define SP06_PSR_CFG    0x06        //Barometric configuration
    #define SP06_TMP_CFG    0x07        //Temperature measurement configuration
    #define SP06_MEAS_CFG   0x08        //Measurement mode configuration
    
    #define SP06_CFG_REG    0x09
    #define SP06_INT_STS    0x0A
    #define SP06_FIFO_STS   0x0B
    
    #define SP06_RESET      0x0C
    #define SP06_ID         0x0D
    
    #define SP06_COEF       0x10        //-0x21
    #define SP06_COEF_SRCE  0x28
    
    
    
    uint8_t spl06_init(void);
    uint8_t spl06_007_bpm_algo_handler(void);
    
    
    #endif /* __MODULE_SPL06_007_IIC__H__ */
    
    /******************* (C) COPYRIGHT 2012 STMicroelectronics *****END OF FILE****/

2、spl06\_007.c文件

/*********************************************************************************************************
    *               Copyright(c) 2018, Realtek Semiconductor Corporation. All rights reserved.
    **********************************************************************************************************
    * @file     spl06_007.c
    * @brief
    * @details
    * @author
    * @date
    * @version  v0.1
    *********************************************************************************************************
    */
    
    #include "trace.h"
    #include "rtl876x_spi.h"
    #include "rtl876x_i2c.h"
    #include "rtl876x_rcc.h"
    #include "rtl876x_gpio.h"
    #include "rtl876x_nvic.h"
    #include "board.h"
    #include "string.h"
    #include "hub_task.h"
    #include "os_sched.h"
    #include "os_timer.h"
    #include "SEGGER_RTT.h"
    #include "rtl876x_tim.h"
    #include "BD_health_math.h"
    #include "spl06_007.h"
    #include "math.h"
    
    
    #define BAROCEPTOR_LOG_EN	(true)	
    #if (BAROCEPTOR_LOG_EN == true)
    #include "xky_private_service.h"
    #include "stdio.h"
    #define BAROCEPTOR_LOG		DBG_LOG
    #else
    #define HEART_LOG(...)
    #endif
    
    
    float _kT=0, _kP=0;
    int16_t _C0=0, _C1=0, _C01=0, _C11=0, _C20=0, _C21=0, _C30=0;
    int32_t _C00=0, _C10=0;
    
    
    void SPL06_007_Delay_ms(uint16_t delay_time)
    {
    	os_delay(delay_time);
    }
    
    uint8_t SPL06_007_I2c_Write(uint8_t reg, uint8_t dat)
    {
    	uint8_t I2C_WriteBuf[2] = {0x0, 0x0};
        I2C_WriteBuf[0] = reg;
        I2C_WriteBuf[1] = dat;
        uint32_t time_out = SYSTEM_IIC_TIMEROUT;
        while ((I2C_GetFlagState(HRS_I2C_BUS, I2C_FLAG_TFE) == RESET) && (--time_out != 0));
    	time_out = SYSTEM_IIC_TIMEROUT;
        while ((I2C_GetFlagState(HRS_I2C_BUS, I2C_FLAG_MST_ACTIVITY) == SET) && (--time_out != 0));
        I2C_SetSlaveAddress(HRS_I2C_BUS, SPL06_7BITI2C_ADDRESS);
        I2C_MasterWrite(HRS_I2C_BUS, I2C_WriteBuf, 2);
    	
    	if (time_out == 0) {
    		RtkWristbandSys.flag_field.i2c_bus_lock = true;
    	}
    	return 0;
    }
    
    uint8_t SPL06_007_I2c_Read(uint8_t reg, uint8_t *buf, uint8_t len)
    {
    	uint8_t tmp_buffer[1] = {0};
    	uint32_t time_out = SYSTEM_IIC_TIMEROUT;
    	
    	tmp_buffer[0] = reg;
        while ((I2C_GetFlagState(HRS_I2C_BUS, I2C_FLAG_TFE) == RESET) && (--time_out != 0));
    	time_out = SYSTEM_IIC_TIMEROUT;
        while ((I2C_GetFlagState(HRS_I2C_BUS, I2C_FLAG_MST_ACTIVITY) == SET) && (--time_out != 0));
    	
    //	I2C_SetSlaveAddress(HRS_I2C_BUS, (SPL06_7BITI2C_ADDRESS << 1));
    	I2C_SetSlaveAddress(HRS_I2C_BUS, SPL06_7BITI2C_ADDRESS);
    		
        I2C_Status ret = I2C_RepeatRead(HRS_I2C_BUS, tmp_buffer, 1, buf, len);
    	
    	if (time_out == 0) {
    		RtkWristbandSys.flag_field.i2c_bus_lock = true;
    	}
    	
    	if (ret != I2C_Success) {
    		return 1;
    	}
    	return 0;
    }
    
    uint8_t SPL06_007_Write_Reg(uint8_t regAddr, uint8_t data)
    {
    	return SPL06_007_I2c_Write(regAddr, data);
    }
    
    uint8_t SPL06_007_Read_Reg(uint8_t regAddr, uint8_t *buf)
    {
    	return SPL06_007_I2c_Read(regAddr, buf, 1);
    }
    
    uint8_t SPL06_007_MultiRead_Reg(uint8_t regAddr, uint8_t *buf, uint16_t len)
    {
    	return SPL06_007_I2c_Read(regAddr, buf, len);
    }
    
    void SPL06_Start(uint8_t mode)
    {
        SPL06_007_Write_Reg(SP06_MEAS_CFG, mode);//Measurement mode configuration
    }
    
    void SPL06_Config_Temperature(uint8_t rate,uint8_t oversampling)
    {
    	uint8_t temp = 0;
        switch(oversampling)
        {
    	case TMP_PRC_1:
    		_kT = 524288;
    		break;
    	case TMP_PRC_2:
    		_kT = 1572864;
    		break;
    	case TMP_PRC_4:
    		_kT = 3670016;
    		break;
    	case TMP_PRC_8:
    		_kT = 7864320;
    		break;
    	case TMP_PRC_16:
    		_kT = 253952;
    		break;
    	case TMP_PRC_32:
    		_kT = 516096;
    		break;
    	case TMP_PRC_64:
    		_kT = 1040384;
    		break;
    	case TMP_PRC_128:
    		_kT = 2088960;
    		break;
        }
        SPL06_007_Write_Reg(SP06_TMP_CFG,rate|oversampling|0x80);   //Temperature measured 128 times per second (maximum speed)
        if (oversampling > TMP_PRC_8)
        {
            SPL06_007_Read_Reg(SP06_CFG_REG, &temp);
            SPL06_007_Write_Reg(SP06_CFG_REG,temp|SPL06_CFG_T_SHIFT);
        }
    }
    
    void SPL06_Config_Pressure(uint8_t rate,uint8_t oversampling)//Set the compensation coefficient and sampling rate
    {
    	uint8_t temp = 0;
        switch(oversampling)
        {
    	case PM_PRC_1:
    		_kP = 524288;
    		break;
    	case PM_PRC_2:
    		_kP = 1572864;
    		break;
    	case PM_PRC_4:
    		_kP = 3670016;
    		break;
    	case PM_PRC_8:
    		_kP = 7864320;
    		break;
    	case PM_PRC_16:
    		_kP = 253952;
    		break;
    	case PM_PRC_32:
    		_kP = 516096;
    		break;
    	case PM_PRC_64:
    		_kP = 1040384;
    		break;
    	case PM_PRC_128:
    		_kP = 2088960;
    		break;
        }
    	
        SPL06_007_Write_Reg(SP06_PSR_CFG,rate|oversampling);
        if(oversampling > PM_PRC_8)
        {
            SPL06_007_Read_Reg(SP06_CFG_REG, &temp);
            SPL06_007_Write_Reg(SP06_CFG_REG,temp|SPL06_CFG_P_SHIFT);
        }
    }
    
    int32_t SPL06_Get_Pressure_ADC(void)//Get the pressure ADC value
    {
        uint8_t buf[3];
        int32_t adc;
    	
        SPL06_007_MultiRead_Reg(SP06_PSR_B2, buf, 3);
        adc = (int32_t)buf[0]<<16 | (int32_t)buf[1]<<8 | (int32_t)buf[2];
        adc = (adc&0x800000)?(0xFF000000|adc):adc;
    	
        return adc;
    }
    
    int32_t SPL06_Get_Temperature_ADC(void)//Get the temperature ADC value
    {
        uint8_t buf[3];
        int32_t adc;
    	
        SPL06_007_MultiRead_Reg(SP06_TMP_B2,buf,3);
        adc = (int32_t)buf[0]<<16 | (int32_t)buf[1]<<8 | (int32_t)buf[2];
        adc = (adc&0x800000)?(0xFF000000|adc):adc;
        return adc;
    }
    
    uint8_t SPL06_UpDate(float *Temp,float *Press)//Obtain and calculate the temperature value, the pressure value
    {
    	float Praw_src=0,Traw_src=0;
        float qua2=0, qua3=0;
        Traw_src = SPL06_Get_Temperature_ADC()/_kT;
        Praw_src = SPL06_Get_Pressure_ADC()/_kP ;
    	//calculating temperature
        *Temp = 0.5f*_C0 + Traw_src * _C1;
        //Calculation of pressure
        qua2 = _C10 + Praw_src * (_C20 + Praw_src* _C30);
        qua3 = Traw_src * Praw_src * (_C11 + Praw_src * _C21);
        *Press = _C00 + Praw_src * qua2 + Traw_src * _C01 + qua3;
        return 0;
    }
    
    uint8_t spl06_init(void)
    {
        uint8_t coef[18];
        uint8_t id;
        if (SPL06_007_Write_Reg(SP06_RESET, 0x89))
    		return 1;
    	
    	SPL06_007_Delay_ms(40);
        SPL06_007_Read_Reg(SP06_ID, &id);
    		
    	BAROCEPTOR_LOG("SPL06-ID: 0x%x\n",id);
    		
        if (id != 0x10)
        {
    		return 2;
        }
    		
    	BAROCEPTOR_LOG("SPL06 is OK: 0x%x\r\n",id);
    	
        SPL06_007_Delay_ms(100);        //Reset after coefficient ready required at least 40ms
    	
        SPL06_007_MultiRead_Reg(SP06_COEF, coef, 18);//Read relevant data
        _C0 = ((int16_t)coef[0]<<4 ) | ((coef[1]&0xF0)>>4);
        _C0 = (_C0&0x0800)?(0xF000|_C0):_C0;
        _C1 = ((int16_t)(coef[1]&0x0F)<<8 ) | coef[2];
        _C1 = (_C1&0x0800)?(0xF000|_C1):_C1;
        _C00 = (int32_t)coef[3]<<12  | (int32_t)coef[4]<<4  | (int32_t)coef[5]>>4;
        _C10 = (int32_t)(coef[5]&0x0F)<<16  | (int32_t)coef[6]<<8  | (int32_t)coef[7];
        _C00 = (_C00&0x080000)?(0xFFF00000|_C00):_C00;
    	_C10 = (_C10&0x080000)?(0xFFF00000|_C10):_C10;
    	
    	_C01 = ((int16_t)coef[8]<<8 ) | coef[9];
    	_C01 = (_C01&0x0800)?(0xF000|_C01):_C01;
    	
        _C11 = ((int16_t)coef[10]<<8 ) | coef[11];
        _C11 = (_C11&0x0800)?(0xF000|_C11):_C11;
    	
        _C20 = ((int16_t)coef[12]<<8 ) | coef[13];
        _C20 = (_C20&0x0800)?(0xF000|_C20):_C20;
        _C21 = ((int16_t)coef[14]<<8 ) | coef[15];
        _C21 = (_C21&0x0800)?(0xF000|_C21):_C21;
        _C30 = ((int16_t)coef[16]<<8 ) | coef[17];
        _C30 = (_C30&0x0800)?(0xF000|_C30):_C30;
    	
        SPL06_Config_Pressure(PM_RATE_128,PM_PRC_64);
        SPL06_Config_Temperature(PM_RATE_8,TMP_PRC_8);
    	
        SPL06_Start(MEAS_CTRL_ContinuousPressTemp); //Start continuous pressure temperature measurement
        SPL06_007_Delay_ms(20);
        return 0;
    }
    
    float Caculate_Altitude(float GasPress)
    {
    	float Altitude=0;
    	Altitude =(44330.0 *(1.0-pow((float)(GasPress) / 101325.0,1.0/5.255)));
    	return Altitude;
    }
    
    
    static uint8_t spl06_007_bpm_algo_handler(void)
    {	
    	static float paValue = 0;
    	static float AltitudeHight = 0;
    	float temp =0;
    	
    	SPL06_UpDate(&temp, &paValue);
    	
    	char Buffer_pa[100]={0};
    	char Buffer_temp[100]={0};
    	char Buffer_AltitudeHight[100]={0};
    	
    	sprintf(Buffer_pa,"%0.2f ",paValue);    
    	sprintf(Buffer_temp,"%0.2f ",temp);    
    	
    //	BAROCEPTOR_LOG("t:%s   p:%s\r\n", Buffer_pa, Buffer_temp);
    
    	AltitudeHight = Caculate_Altitude(paValue);
    	sprintf(Buffer_AltitudeHight,"%0.2f ", AltitudeHight); 
    
    	BAROCEPTOR_LOG("paValue:%s   AltitudeHight:%s\r\n", Buffer_pa, Buffer_AltitudeHight);
    	SPL06_007_Delay_ms(5);
    	
    	if (0) {	//open hr monitor
    		return HRM_MeasureOutput;
    	}
    
        return HRM_Measuring;
    }
    
    static uint16_t spl06_007_driver_timer_event_handler(void)
    {
    	return spl06_007_bpm_algo_handler();
    }

3、main.c文件

#include <stdlib.h>
    #include "board.h"
    #include "os_sched.h"
    #include "string.h"
    #include "trace.h"
    #include "gap.h"
    #include "gap_adv.h"
    #include "gap_bond_le.h"
    #include "app_task.h"
    #include "communicate_task.h"
    #include "dlps.h"
    #include "ftl.h"
    #include "ias.h"
    #include "bas.h"
    #include "hids_media.h"
    #include "ancs.h"
    #include "ams.h"
    #include <gatts_client.h>
    #include "rtl876x_io_dlps.h"
    #include "rtl876x_rcc.h"
    #include "rtl876x_i2c.h"
    #include "otp_config.h"
    #include "rtl876x_lib_platform.h"
    #include "single_tone.h"
    #include "profile_server.h"
    #include "hub_clock.h"
    #include "app_flash_config.h"
    #include "profile_client.h"
    #include "ota_service.h"
    #include "hub_task.h"
    #include "hci_app.h"
    #include "flash_test_temp.h"
    #include "spl06_007.h"
     
    int main(void)
    {
     
    	le_gap_init(1);
    	gap_lib_init();
    	app_le_gap_init();
    	app_le_profile_init();
    	pwr_mgr_init();
    	task_init();
    	os_sched_start();
     
     
    }

## 四、运行结果 ##

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAQ2hfY2hhbXBpb24_size_18_color_FFFFFF_t_70_g_se_x_16][]

## 五、总结 ##

好了，就介绍到此为止，做个笔录，同时也希望能帮助到需要帮助的攻城狮们。

参考文章：

1、[关于SPL06的使用\_HES\_C的博客-CSDN博客\_spl06][SPL06_HES_C_-CSDN_spl06]

2、[SPL06-001 气压计\_超哥的专栏-CSDN博客][SPL06-001 _-CSDN]

供参考示例代码：

1、[STM32\_SPL06-01-I2C例程.rar-其它文档类资源-CSDN下载][STM32_SPL06-01-I2C_.rar-_-CSDN]

2、[STM32\_SPL06-01-SPI例程.rar-嵌入式文档类资源-CSDN下载][STM32_SPL06-01-SPI_.rar-_-CSDN]

[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAQ2hfY2hhbXBpb24_size_11_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/ba4c0f9e3bcc47bbaab0b670c2d15278.png
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAQ2hfY2hhbXBpb24_size_18_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/454b0faf2e0d40509874a21c54743862.png
[SPL06_HES_C_-CSDN_spl06]: https://blog.csdn.net/hes_c/article/details/105227350
[SPL06-001 _-CSDN]: https://blog.csdn.net/zhangxuechao_/article/details/81096057
[STM32_SPL06-01-I2C_.rar-_-CSDN]: https://download.csdn.net/download/chenjianyuechan/20681374?utm_medium=distribute.pc_relevant_download.none-task-download-2~default~OPENSEARCH~default-18.test_version_3&depth_1-utm_source=distribute.pc_relevant_download.none-task-download-2~default~OPENSEARCH~default-18.test_version_3&dest=http%3A%2F%2Fdownload.csdn.net%2Fdownload%2Fchenjianyuechan%2F20681374
[STM32_SPL06-01-SPI_.rar-_-CSDN]: https://download.csdn.net/download/chenjianyuechan/20681386?utm_medium=distribute.pc_relevant_download.none-task-download-2~default~OPENSEARCH~default-17.test_version_3&depth_1-utm_source=distribute.pc_relevant_download.none-task-download-2~default~OPENSEARCH~default-17.test_version_3&dest=https%3A%2F%2Fdownload.csdn.net%2Fdownload%2Fchenjianyuechan%2F20681386