#include "BQData.h"

#define UV_THRESH_BASE  4096
/*****************************
file:BQData.c
decription:
   1.采集BQ76930的14位ADC的增益和偏置电压:void get_offset(void)
   2.采集单体电压:void Get_Batteryx(void),其中x取值1-8；
   3.BQ76930初始化 void BQ_config(void)
   4.读取BQ76930寄存器值： void readbqstate(void)
   5.
******************************/
/***********************
fuction：void get_offset(void)

************************/
void get_offset(void)
{
 byte gain[2];
 byte Gain;
 
 gain[0]=IIC_read_one_byte(0x50);
 gain[1]=IIC_read_one_byte(0x59);
 
 Gain = ((gain[0]&0x0c)<<1)+((gain[1]&0xe0)>>5);
 
 ADC_offset=IIC_read_one_byte(0x51);
 AD_Gain = 365+Gain;
}
/****************************************
fuction: void Get_Battery1(void)
description:获取第1、5号单体电池电压
Parameters:batterylval[0],battery1val[1];
******************************************/
void Get_Battery1(void)
{
  byte readbattbuf[2];
  dword batteryval1;

  readbattbuf[1] = IIC_read_one_byte(0x0c);
  readbattbuf[0] = IIC_read_one_byte(0x0d);
 
  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第1串

  battery1val[1]=(byte)(batteryval1 >> 8);
  battery1val[0]=(byte)(batteryval1);
}
/****************************************
fuction: void Get_Battery2(void)
description:获取第2号单体电池电压
Parameters:battery2val[0],battery2val[1];
******************************************/
void Get_Battery2(void)
{

  byte readbattbuf[2];
  dword batteryval1;
 
  readbattbuf[1]=IIC_read_one_byte(0x0e);
  readbattbuf[0]=IIC_read_one_byte(0x0f);

  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
   
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第2串
  battery2val[1]=(byte)(batteryval1 >> 8);
  battery2val[0]=(byte)(batteryval1);
}
/****************************************
fuction: void Get_Battery3(void)
description:获取第3号单体电池电压
Parameters:battery3val[0],battery3val[1];
******************************************/
void Get_Battery3(void)
{

  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x10);
  readbattbuf[0]=IIC_read_one_byte(0x11);

  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第3串
  battery3val[1]=(byte)(batteryval1 >> 8);
  battery3val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery4(void)
description:获取第4号单体电池电压
Parameters:battery4val[0],battery4val[1];
******************************************/
void Get_Battery4(void)
{
  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x14);
  readbattbuf[0]=IIC_read_one_byte(0x15);

  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第4串
  battery4val[1]=(byte)(batteryval1 >> 8);
  battery4val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery5(void)
description:获取第5号单体电池电压
Parameters:battery5val[0],battery5val[1];
******************************************/
void Get_Battery5(void)
{
  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x16);
  readbattbuf[0]=IIC_read_one_byte(0x17);
 
  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第5串
  battery5val[1]=(byte)(batteryval1 >> 8);
  battery5val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery5(void)
description:获取第6号单体电池电压
Parameters:battery6val[0],battery6val[1];
******************************************/
void Get_Battery6(void)
{

  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x18);
  readbattbuf[0]=IIC_read_one_byte(0x19);

  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第6串
  battery6val[1]=(byte)(batteryval1 >> 8);
  battery6val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery7(void)
description:获取第7号单体电池电压
Parameters:battery7val[0],battery7val[1];
******************************************/
void Get_Battery7(void)
{
  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x1a);
  readbattbuf[0]=IIC_read_one_byte(0x1b);
 
  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第7串
  battery7val[1]=(byte)(batteryval1 >> 8);
  battery7val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery8(void)
description:获取第8号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery8(void)
{
  byte readbattbuf[2];
  dword batteryval1 ;
 
  readbattbuf[1]=IIC_read_one_byte(0x1e);
  readbattbuf[0]=IIC_read_one_byte(0x1f);
 
  batteryval1= readbattbuf[1];
  batteryval1= (batteryval1 << 8) |readbattbuf[0];
  batteryval1=((batteryval1*AD_Gain)/1000)+ADC_offset;//单体电压计算公式，第8串
  battery8val[1]=(byte)(batteryval1 >> 8);
  battery8val[0]=(byte)(batteryval1 >> 0);
}
/****************************************
fuction: void Get_Battery1_5(void)
description:获取第1,5号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery1_5(void)
  {
   get_offset();
   Get_Battery1();
   Get_Battery5();
  }
/****************************************
fuction: void Get_Battery2_6(void)
description:获取第2,6号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery2_6(void)
  {
   Get_Battery2();
   Get_Battery6();
  }
 /****************************************
fuction: void Get_Battery3_7(void)
description:获取第1,5号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery3_7(void)
  {
   Get_Battery3();
   Get_Battery7();
  }
  /****************************************
fuction: void Get_Battery15(void)
description:获取第4,8号单体电池电压
Parameters:battery8val[0],battery8val[1];
******************************************/
void Get_Battery4_8(void)
  {
   get_offset();
   Get_Battery4();
   Get_Battery8();
  }
 /****************************
 获取所有电池的电压值
 *****************************/
void Get_Data(void)
{
    get_offset();
 
    Get_Battery1();
    Get_Battery2();
    Get_Battery3();
    Get_Battery4();
 
    Get_Battery5();
    Get_Battery6();
    Get_Battery7();
    Get_Battery8();    
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////
/**void OV_UV_PROTTECT(void)
{
  byte OVTrip,UVTrip;
 
  OVTrip = (byte)(((word)((OVPThreshold - ADC_offset)/(AD_Gain*1.0)*1000 + 0.5) - OV_THRESH_BASE))>>4);
  UVTrip = (byte)(((word)((UVPThreshold - ADC_offset)/(AD_Gain*1.0)*1000 + 0.5) - UV_THRESH_BASE))>>4);;
 
  WRITE_IIC(0x09,OVTrip);
  WRITE_IIC(0x0a,UVTrip);

 }*/  
/****************************************
fuction: void BQ_config(void)
description:BQ76930初始化
Parameters: None
******************************************/
void BQ_config(void)
{
   byte i;
   for(i=0;i<11;i++)
    {
      WRITE_IIC(BQ769_INITAdd[i],BQ769_INITdata[i]);
    }
}
/****************************************
fuction:void SHIP_BQ769(void)
description:BQ76930进入低功耗模式
Parameters: None
******************************************/
void SHIP_BQ769(void)
{
  WRITE_IIC(0x04,0x19); //01
  delay();
  WRITE_IIC(0x04,0x1a); //10
 }
/****************************************
fuction:void readbqstate(void)
description:读取BQ76930寄存器的值，并通过CAN接口发送
Parameters:  None
******************************************/
void readbqstate(void)
{
  cansendbuf[0] = IIC_read_one_byte(0x00);//SYS_STAT寄存器值
  cansendbuf[1] = IIC_read_one_byte(0x04);//SYS_CTRL1寄存器值
  cansendbuf[2] = IIC_read_one_byte(0x05);//SYS_CTRL2寄存器值
  cansendbuf[3] = IIC_read_one_byte(0x06);//PROTECT1寄存器值
  cansendbuf[4] = IIC_read_one_byte(0x07);//PROTECT2寄存器值
  cansendbuf[5] = IIC_read_one_byte(0x08);//PROTECT3寄存器值
  cansendbuf[6] = IIC_read_one_byte(0x09);//OV_TRIP寄存器值
  cansendbuf[7] = IIC_read_one_byte(0x0b);//CC_CFG寄存器值
     
 (void)CAN1_SendFrameExt(0x0028,0x00,8,cansendbuf);//CAN发送
}
/****************************************
fuction:void readbqstate(void)
description:读取报警信号值
Parameters: UV_Alarm_flagOV_Alarm_flag
            SCD_Alarm_flag,OCD_Alarm_flag
******************************************/
void ALERT_Recognition(void )
{
  byte sys_stat,UV,OU,SCD,OCD;
  sys_stat = IIC_read_one_byte(0x00);//获取状态
 
  UV  =  sys_stat&0x08;  //取出UV位
  OU  =  sys_stat&0x04;
  SCD =  sys_stat&0x02;
  OCD =  sys_stat&0x01;
 
  if(UV == 0x08)
  {
      UV_Alarm_flag = 1;    //欠压报警
      PTAD_PTAD2   = 0;
  }
  else
    UV_Alarm_flag = 0;     //没有欠压
   
  if(OU == 0x04)
  {
       OV_Alarm_flag = 1;
       PTAD_PTAD1   = 0;
  }
  else
     OV_Alarm_flag = 0;
 
  if(SCD == 0x02)
  {
      SCD_Alarm_flag = 1;
      PTAD_PTAD1   = 0;
      PTAD_PTAD2   = 0;  
  }
 
  else
    SCD_Alarm_flag = 0;
 
  if(OCD == 0x01)
  {
   OCD_Alarm_flag = 1;
   PTAD_PTAD1   = 0;
    PTAD_PTAD2   = 0;
  }
   
  else
    OCD_Alarm_flag = 0;
  }