V2.5

yincheng.zhong

2023-08-03 dd419489dbf20d52ec89e7d280b0c1bbfbdbaef6

 Src/ExternalDevices/BMP390.c

@@ -176,8 +176,7 @@
}
u8 BMP390_Init(void)
{
    delay_ms(10);
   u8 BMP390_ID;
   u8 BMP390_ID,temp;
//    IIC_Start();
//    IIC_Send_Byte(BMP390_Write);
//    IIC_Send_Byte(0xB6);
@@ -189,9 +188,13 @@
   BMP390_Write_Byte(PWR_CTRL_Addr,0x33);//Set Working mode and state of sensor
//   BMP390_Write_Byte(IF_CONF_Addr,0x00);//Serial interface settings
   BMP390_Write_Byte(INT_CTRL_Addr,0x02);//Set interrupt config
   BMP390_Write_Byte(OSR_Addr,0x15);//Set the PM-RATE and PM-PRC,Set the TMPI-RATE and TMP-PRC
   BMP390_Write_Byte(ODR_Addr,0x05);//Set the configuration of the output data rates by means of setting the subdivision/subsampling.
   BMP390_Write_Byte(CONFIG_Addr,0);//IIR filter coeffcients
	
   temp = BMP3_OVERSAMPLING_2X<<3|BMP3_OVERSAMPLING_32X;
   BMP390_Write_Byte(OSR_Addr,temp);//Set the PM-RATE and PM-PRC,Set the TMPI-RATE and TMP-PRC
   temp = BMP3_ODR_6_25_HZ;
   BMP390_Write_Byte(ODR_Addr,temp);//Set the configuration of the output data rates by means of setting the subdivision/subsampling.
   temp = BMP3_IIR_FILTER_COEFF_3<<1;
   BMP390_Write_Byte(CONFIG_Addr,temp);//IIR filter coeffcients
   return BMP390_ID;
}
 
@@ -353,7 +356,7 @@
        Correcting_Temp = Correcting_Temperature(Temperature,Temperature_Para);   
      Correcting_Press = Correcting_Pressure(Pressure,Pressure_Para,Correcting_Temp)+Offest_Pressure;   
      Altitude = 44330*(1-pow(Correcting_Press/101325.0,1.0/5.255));   
        Correcting_Press =  Correcting_Press/100;
      //  Correcting_Press =  Correcting_Press/100;
        if(Correcting_Press==0)
        Altitude = 0;