518 lines
14 KiB
C
518 lines
14 KiB
C
/********************************************************************************
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Copyright (C), Sinowealth Electronic. Ltd.
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Author: Sino
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Version: V0.0
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Date: 2020/04/26
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History:
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V2.0 2020/04/26 Preliminary
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********************************************************************************/
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#include "Main.h"
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//AFE相关的变量
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BOOL bAfeAlarmFlg;
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BOOL bCADCFlg;
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BOOL bVADCFlg;
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BOOL bAfeI2CRWErrFlg;
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BOOL bAfeErr;
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U8 data ucCellNum; //当前硬件电芯串数
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U8 data ucCellNumOffset; //当前硬件电芯连接方式对应的偏移，用于程序读取AFE对应寄存器
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U16 data uiCellVmax; //电芯电压最大值
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U16 data uiCellVmin; //电芯电压最小值
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U16 xdata uiVadcVmax; //ADC采集最大值
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U16 xdata uiVadcVmin; //ADC采集最小值
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U8 xdata ucTempeMiddle;
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U16 xdata uiTempeMin;
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U16 xdata uiTempeMax;
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S32 xdata slCadcCurrent;
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S32 xdata slCadcCurAverage;
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U8 xdata ucCadcCnt;
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S32 xdata slCadcCurBuf[16];
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U8 xdata ucAfeI2CErrDelayCnt;
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SYSINFOR xdata Info; //经过计算的值
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AFEDATA xdata AFE; //AFE寄存器读取的值
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AFEREG xdata REG; //AFE寄存器预设值
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/*************************************************************************************************
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* 函数名: AFETwiCheck
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* 参 数: 无
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* 返回值: 无
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* 描 述: 连续5S检测到AFE的I2C通讯错误，则置位bAfeErr=1
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*************************************************************************************************/
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void AFETwiCheck(void)
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{
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if(bAfeI2CRWErrFlg)
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{
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if(++ucAfeI2CErrDelayCnt >= TIME_1S_5S)
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{
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bAfeErr = 1;
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ucAfeI2CErrDelayCnt = TIME_1S_5S;
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}
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}
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else
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{
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ucAfeI2CErrDelayCnt = 0;
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}
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}
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/*************************************************************************************************
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* 函数名: AFEWriteReg
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* 参 数: Reg：寄存器地址
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WrBuf：写的数据：1Byte数据+1Byte CRC
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* 返回值: 1:成功；0:失败
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* 描 述: 写AFE寄存器，每次写一个寄存器
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*************************************************************************************************/
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BOOL AFEWriteReg(U8 Reg, U8 Length, U8 xdata *WrBuf)
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{
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BOOL Result = 0;
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U8 Times = 0;
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U8 i;
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if(!bAfeErr)
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{
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for(i=0; i<Length; i++)
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{
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while(Times++ < 5)
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{
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#ifdef TWI_Hardware_Module
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{
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Result = TwiWrite(AFE_ID, Reg, TWI_ADDR_1B, 1, TWI_CRC_YES, WrBuf);
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}
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#else
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{
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Result = TwiWrite(AFE_ID, Reg, 1, WrBuf);
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}
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#endif
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if(Result)
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{
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break;
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}
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else
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{
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TWICON = 0; //Close TWI module
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Delay1ms(1);
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TwiInit(); //Reinitial
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Delay1ms(1);
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}
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}
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if(Times >= 5)
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{
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break;
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}
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else
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{
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Times = 0;
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Reg++;
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WrBuf++;
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}
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Delay1ms(1);
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}
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}
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bAfeI2CRWErrFlg = !Result; //标记通讯是否正常
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return Result;
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}
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/*************************************************************************************************
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* 函数名: AFEReadReg
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* 参 数: Reg：寄存器地址
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RdBuf：读的数据：2Byte数据+1Byte CRC
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* 返回值: 1:成功；0:失败
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* 描 述: 读AFE寄存器，每次连续读两个寄存器
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*************************************************************************************************/
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BOOL AFEReadReg(U8 Reg, U8 Length , U8 xdata *RdBuf)
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{
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BOOL Result = 0;
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U8 Times = 0;
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if(!bAfeErr)
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{
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while(Times++ < 5) //如果读数出错，则Try 5次
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{
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#ifdef TWI_Hardware_Module
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Result = TwiRead(AFE_ID, Reg, TWI_ADDR_1B, Length, TWI_CRC_YES, RdBuf);
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#else
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Result = TwiRead(AFE_ID, Reg, Length, RdBuf);
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#endif
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if(Result) //如果读数成功且CRC校验正确，则退出循环返回成功标标志
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{
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break;
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}
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else //如果TWI读数或CRC校验失败，则延时1mS之后再读取
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{
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TWICON = 0; //Close TWI module
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Delay1ms(1);
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TwiInit(); //Reinitial
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Delay1ms(1);
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}
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}
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}
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bAfeI2CRWErrFlg = !Result; //标记通讯是否正常
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return Result;
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}
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/*************************************************************************************************
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* 函数名: AFEClrFlg
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* 参 数:
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* 返回值: 无
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* 描 述: 清零AFE标志寄存器
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*************************************************************************************************/
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void AFEClrFlg(void)
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{
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if(AFEReadReg(AFE_FLAG1, 2, ®.AFEFLAG1))
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{
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if((REG.AFEFLAG1!=0) || (REG.AFEFLAG2!=0))
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{
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REG.AFESCONF1 |= 0x80;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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REG.AFESCONF1 &= ~0x80;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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}
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}
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/*************************************************************************************************
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* 函数名: AFEInitReg
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* 参 数: 无
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* 返回值: 无
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* 描 述: 初始化AFE寄存器
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*************************************************************************************************/
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void AFEInitReg(void)
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{
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U16 TempVar;
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REG.AFEINTEN = 0x00; //采取查询式，故不需要ALARM中断
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REG.AFESCONF1 = 0x50; //使能CTLD和WDT功能
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REG.AFESCONF2 = 0x00; //AFE引脚配置为复位信号，ALARM输出低电平脉冲，放电MOS与充电MOS都关闭
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REG.AFESCONF3 = 0xF8; //默认VADC和CADC都开启，CADC连续采样，10位ADC，VADC只采集电压转换周期50ms
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REG.AFESCONF4 = 0x00; //默认关闭平衡BAT6-10
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REG.AFESCONF5 = 0x00; //默认关闭平衡BAT1-5
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REG.AFESCONF6 = 0x70; //CADC采集200mV范围，复位信号宽度1S，硬件短路保护电压100mV，硬件短路保护延时50uS
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REG.AFESCONF7 = 0x01; //硬件过冲保护延时1个转换周期，充放电状态阈值选择位1.4mV，配置看门狗溢出10S
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REG.AFESCONF8 = 0x03; //SCONF8 + SCONF9 = 11 1111 1111 = 1023
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REG.AFESCONF9 = 0xff; //硬件过冲保护阈值1023*5.86mV = 5994.78
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REG.AFESCONF10= 0x00; //低功耗控制位，写入0x33再写PD_EN=1进入低功耗
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if(bSC_EN) //配置使能AFE短路功能
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{
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REG.AFESCONF1 |= 0x08;
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REG.AFESCONF6 |= (E2ucAFEProtectConfig&0x0f);//将FLASH内参数写入AFE寄存器
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}
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if(bOV_EN) //配置使能AFE过压功能
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{
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REG.AFESCONF1 |= 0x04;
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REG.AFESCONF7 |= (E2ucAFEProtectConfig&0xf0);//将FLASH内参数写入AFE寄存器
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TempVar = (U32)E2uiAFEOVvol*50/293; //取出过压保护电压
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REG.AFESCONF8 = TempVar>>8; //写高两位
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REG.AFESCONF9 = TempVar; //写低八位
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}
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}
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/*************************************************************************************************
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* 函数名: AFEInit
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* 参 数:
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* 返回值: 1:成功；0:失败
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* 描 述: 初始化AFE
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*************************************************************************************************/
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BOOL AFEInit(void)
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{
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U8 xdata RdBuf[2];
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U8 i;
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BOOL Result = 1;
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U8 j = 3;
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while(j--)
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{
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if( AFEWriteReg(AFE_INT_EN, 11, ®.AFEINTEN))
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{
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for(i=3; i<=11; i=i+2)
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{
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AFEReadReg(i, 2, RdBuf);
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if((RdBuf[0]!=*(®.AFEFLAG1+i)) || (RdBuf[1]!=*(®.AFEFLAG1+i+1)))
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{
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if(i != 7) //平衡寄存器除外，因为平衡寄存器不置位，持续30s会自动清零
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{
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Result = 0;
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break;
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}
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}
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}
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}
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else
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{
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Result = 0;
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}
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if(Result)
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{
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break;
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}
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}
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return Result;
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}
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/*************************************************************************************************
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* 函数名: AFERdFlg
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* 参 数:
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* 返回值: 无
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* 描 述: 读取AFE标志寄存器
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AFE_SC表示发生短路保护
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FLAG2的bit2为1表示发生LVR复位，需要重新初始化AFE
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*************************************************************************************************/
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void AFERdFlg(void)
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{
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if(AFEReadReg(AFE_FLAG1, 2, ®.AFEFLAG1))
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{
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if((REG.AFEFLAG2&0x02) != 0) //CADC 电流转换完成
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{
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bCADCFlg = 1;
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}
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if((REG.AFEFLAG2&0x01) != 0) //VADC 电压转换完成
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{
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bVADCFlg = 1;
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}
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if((REG.AFEFLAG1&0x08) != 0 && (bLoadChkingFlg != 1)) //AFE短路保护
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{
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bAFE_SC = 1;
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bLoadStartCheckFlg = 1; //开启负载检测
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}
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if((REG.AFEFLAG1&0x04) != 0) //AFE 硬件过压保护
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{
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bAFE_OV= 1;
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}
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if((REG.AFEFLAG2&0x04) != 0) //判断FLAG2的bit2是否为1，如为1则表示AFE发生过LVR，需要重新初始化AFE寄存器
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{
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AFEInit();
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}
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}
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}
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/*************************************************************************************************
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* 函数名: AFERdStatus
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* 参 数:
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* 返回值: 无
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* 描 述: 读取AFE状态寄存器
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*************************************************************************************************/
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void AFERdStatus(void)
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{
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U8 RegTemp[2];
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if(AFEReadReg(AFE_BSTATUS, 2, RegTemp))//®.AFEBSTATUS))//AFE固定读2Bytes，只取1Byte
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{
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ucAFEStatus = REG.AFEBSTATUS = RegTemp[0]; //更新充电器、负载的检测结果
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}
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}
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/*************************************************************************************************
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* 函数名: AFERamCheck
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* 参 数:
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* 返回值: 无
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* 描 述: 定时检测AFE的寄存器是否被改写，如果是则重新初始化
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*************************************************************************************************/
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void AFERamCheck(void)
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{
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U8 xdata RdBuf[2];
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U8 i;
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for(i=3; i<=11; i=i+2)
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{
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AFEReadReg(i, 2, RdBuf);
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if((RdBuf[0]!=*(®.AFEFLAG1+i)) || (RdBuf[1]!=*(®.AFEFLAG1+i+1)))
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{
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if(i != 7) //平衡寄存器除外，因为平衡寄存器不置位，持续30s会自动清零
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{
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if(!AFEInit())
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{
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bPDFlg = 1;
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}
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break;
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}
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}
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}
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}
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/*************************************************************************************************
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* 函数名: AFEEnterPD
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* 参 数:
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* 返回值: 无
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* 描 述: 控制AFE进入PD状态，关闭3.3V输出
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*************************************************************************************************/
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void AFEEnterPD(void)
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{
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REG.AFESCONF10 = 0x33;
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if(AFEWriteReg(AFE_SCONF10, 1, ®.AFESCONF10))
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{
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REG.AFESCONF1 |= 0x20;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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}
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/*************************************************************************************************
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* 函数名: AFEMosCtl
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* 参 数: MosStatus：MOS状态。1：开启；0：关闭
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* 返回值: 无
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* 描 述: 控制充放电MOS的开启和关闭
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*************************************************************************************************/
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void AFEMosCtl(U8 MosStatus)
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{
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REG.AFESCONF2 &= ~0x03;
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REG.AFESCONF2 |= MosStatus;
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AFEWriteReg(AFE_SCONF2, 1, ®.AFESCONF2);
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}
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/*************************************************************************************************
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* 函数名: AFEChgerCheckEn、AFEChgerCheckDis、AFELoadCheckEn、AFELoadCheckDis
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* 参 数:
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* 返回值: 无
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* 描 述: 使能/关闭充电器检测、负载检测
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*************************************************************************************************/
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void AFEChgerCheckEn(void)
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{
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REG.AFESCONF1 |= 0x01;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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void AFEChgerCheckDis(void)
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{
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REG.AFESCONF1 &= ~0x01;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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void AFELoadCheckEn(void)
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{
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REG.AFESCONF1 |= 0x02;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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void AFELoadCheckDis(void)
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{
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REG.AFESCONF1 &= ~0x02;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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/*************************************************************************************************
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* 函数名: AfeBalEn
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* 参 数: BalChTemp：平衡对应的CELL，如果全部为0，则关闭平衡
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* 返回值: 无
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* 描 述: 开启和关闭平衡
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*************************************************************************************************/
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void AfeBalCtl(U16 BalChTemp)
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{
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REG.AFESCONF4 = BalChTemp>>5;
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if(AFEWriteReg(AFE_SCONF4, 1, ®.AFESCONF4))
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{
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REG.AFESCONF5 = BalChTemp;
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AFEWriteReg(AFE_SCONF5, 1, ®.AFESCONF5);
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}
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}
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/*************************************************************************************************
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* 函数名: AfeWDTEn， AfeWDTDis
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* 参 数:
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* 返回值: 无
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* 描 述: 开启和关闭看门狗模块
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*************************************************************************************************/
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void AfeWDTEn(void)
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{
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REG.AFESCONF1 |= 0x10;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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void AfeWDTDis(void)
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{
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REG.AFESCONF1 &= ~0x10;
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AFEWriteReg(AFE_SCONF1, 1, ®.AFESCONF1);
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}
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/*************************************************************************************************
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* 函数名: AfeWDTEn， AfeWDTDis
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* 参 数: 无
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* 返回值: 无
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* 描 述: 开启和关闭看门狗模块
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*************************************************************************************************/
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void AfeADCEn(void)
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{
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REG.AFESCONF3 |= 0xf8;
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AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
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}
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void AfeADCDis(void)
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{
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REG.AFESCONF3 &= ~0xf8;
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AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
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}
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void AfeCADCEn(void)
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{
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REG.AFESCONF3 |= 0xe0;
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AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
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}
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void AfeCADCDis(void)
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{
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REG.AFESCONF3 &= ~0xe0;
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AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
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}
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void AfeTempADCEn(void)
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{
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REG.AFESCONF3 |= 0x08;
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AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
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}
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|
||
|
||
void AfeTempADCDis(void)
|
||
{
|
||
REG.AFESCONF3 &= ~0x08;
|
||
AFEWriteReg(AFE_SCONF3, 1, ®.AFESCONF3);
|
||
}
|
||
|
||
|
||
/*************************************************************************************************
|
||
* 函数名: AfeAlarmEn，AfeAlarmDis
|
||
* 参 数: AlarmFlg：置位对应的ALARM位
|
||
* 返回值: 无
|
||
* 描 述: 开启和关闭对应的ALARM中断触发
|
||
*************************************************************************************************/
|
||
void AfeAlarmEn(U8 AlarmFlg)
|
||
{
|
||
REG.AFEINTEN |= AlarmFlg;
|
||
AFEWriteReg(AFE_INT_EN, 1, ®.AFEINTEN);
|
||
}
|
||
|
||
void AfeAlarmDis(U8 AlarmFlg)
|
||
{
|
||
REG.AFEINTEN &= ~AlarmFlg;
|
||
AFEWriteReg(AFE_INT_EN, 1, ®.AFEINTEN);
|
||
}
|
||
|
||
|