標(biāo)題: max30102+stm32f103單片機(jī)測(cè)試程序 [打印本頁(yè)]
作者: name1    時(shí)間: 2023-4-11 22:03
標(biāo)題: max30102+stm32f103單片機(jī)測(cè)試程序
帶簡(jiǎn)單算法
STM32單片機(jī)源程序如下:
  1. #include "MAX30102.h"
  2. #include "systick.h"
  3. uint16_t fifo_red;
  4. uint16_t fifo_ir;
  5.        
  6. void MAX30102_GPIO(void)
  7. {       
  8.         RCC_APB2PeriphClockCmd(MAX30102_INTPin_CLK,ENABLE);
  9.         GPIO_InitTypeDef GPIO_InitStruct;
  10.         GPIO_InitStruct.GPIO_Mode                =        GPIO_Mode_IN_FLOATING;
  11.         GPIO_InitStruct.GPIO_Pin                =        MAX30102_INTPin_Pin;
  12.         GPIO_Init(MAX30102_INTPin_PORT,&GPIO_InitStruct);
  13.        
  14. }

  16. uint8_t Max30102_reset(void)
  17. {
  18.         if(IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG, 0x40))
  19.         return 1;
  20.     else
  21.         return 0;   
  22. }

  24. void MAX30102_Config(void)
  25. {
  26.         IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_1,0xc0);//// INTR setting
  27.         IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_2,0x00);//
  28.         IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_WR_PTR,0x00);//FIFO_WR_PTR[4:0]
  29.         IIC_Write_Byte(MAX30102_Device_address,REG_OVF_COUNTER,0x00);//OVF_COUNTER[4:0]
  30.         IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_RD_PTR,0x00);//FIFO_RD_PTR[4:0]
  31.        
  32.         IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_CONFIG,0x0f);//sample avg = 1, fifo rollover=false, fifo almost full = 17
  33.         IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG,0x03);//0x02 for Red only, 0x03 for SpO2 mode 0x07 multimode LED
  34.         IIC_Write_Byte(MAX30102_Device_address,REG_SPO2_CONFIG,0x27);        // SPO2_ADC range = 4096nA, SPO2 sample rate (50 Hz), LED pulseWidth (400uS)  
  35.         IIC_Write_Byte(MAX30102_Device_address,REG_LED1_PA,0x32);//Choose value for ~ 10mA for LED1
  36.         IIC_Write_Byte(MAX30102_Device_address,REG_LED2_PA,0x32);// Choose value for ~ 10mA for LED2
  37.         IIC_Write_Byte(MAX30102_Device_address,REG_PILOT_PA,0x7f);// Choose value for ~ 25mA for Pilot LED
  38. }

  40. void max30102_read_fifo(void)
  41. {
  42.   uint16_t un_temp;
  43.   fifo_red=0;
  44.   fifo_ir=0;
  45.   uint8_t ach_i2c_data[6];
  46.   
  47.   //read and clear status register
  48.   IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_1);
  49.   IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_2);
  50.   
  51.   ach_i2c_data[0]=REG_FIFO_DATA;
  52.        
  53.         IIC_Read_Array(MAX30102_Device_address,REG_FIFO_DATA,ach_i2c_data,6);
  54.        
  55.   un_temp=ach_i2c_data[0];
  56.   un_temp<<=14;
  57.   fifo_red+=un_temp;
  58.   un_temp=ach_i2c_data[1];
  59.   un_temp<<=6;
  60.   fifo_red+=un_temp;
  61.   un_temp=ach_i2c_data[2];
  62.         un_temp>>=2;
  63.   fifo_red+=un_temp;
  64.   
  65.   un_temp=ach_i2c_data[3];
  66.   un_temp<<=14;
  67.   fifo_ir+=un_temp;
  68.   un_temp=ach_i2c_data[4];
  69.   un_temp<<=6;
  70.   fifo_ir+=un_temp;
  71.   un_temp=ach_i2c_data[5];
  72.         un_temp>>=2;
  73.   fifo_ir+=un_temp;
  74.        
  75.         if(fifo_ir<=10000)
  76.         {
  77.                 fifo_ir=0;
  78.         }
  79.         if(fifo_red<=10000)
  80.         {
  81.                 fifo_red=0;
  82.         }
  83. }


復(fù)制代碼
Keil代碼下載: stm32f103c8t6_MAX30102帶簡(jiǎn)單算法.7z (2.17 MB, 下載次數(shù): 52)




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