129 lines
2.5 KiB
C
129 lines
2.5 KiB
C
/*
|
|
******************************************************************************
|
|
*
|
|
* @file bat.c
|
|
* @brief Voltage-based RC model gauge algorithm
|
|
*
|
|
*
|
|
* @version 1.0
|
|
* @date 2023/02/20 17:35:40
|
|
* @author Alex Xu
|
|
*
|
|
* Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
|
|
* All Rights Reserved
|
|
*
|
|
* History:
|
|
* Revision Date Author Desc
|
|
* 1.0.0 2023/02/20 Alex build this file
|
|
******************************************************************************
|
|
*/
|
|
#include "bat.h"
|
|
#include "adc.h"
|
|
|
|
idata uint8_t bat_level = 0;
|
|
bit F_batlevel_low = 0; //电池低压
|
|
|
|
#if BAT_VALUE
|
|
|
|
#define C_offset_bat_level_MAX 50
|
|
#define C_offset_bat_level_MIN 10
|
|
|
|
#define C_bat_level_protect 0
|
|
#define C_bat_level_lowpower 1
|
|
|
|
|
|
bit F_batlevel_protect = 0; //低电保护
|
|
idata uint8_t offset_bat_level = ( C_offset_bat_level_MAX + C_offset_bat_level_MIN ) / 2;
|
|
|
|
|
|
#define C_batLevel_SetMax 10
|
|
|
|
/*充电电池电压会浮高,具体电压需要测试。*/
|
|
const uint16_t Boost_batlevel_Threshold[C_batLevel_SetMax] =
|
|
{
|
|
3000, //1
|
|
3100, //2
|
|
3300, //3
|
|
3400, //4
|
|
3500, //5
|
|
3650, //6
|
|
3800, //7
|
|
3900, //8
|
|
4050, //9
|
|
4200 //10
|
|
};
|
|
|
|
const uint16_t Charging_batlevel_Threshold1[C_batLevel_SetMax] =
|
|
{
|
|
3050, //1
|
|
3150, //2
|
|
3350, //3
|
|
3450, //4
|
|
3550, //5
|
|
3700, //6
|
|
3850, //7
|
|
3950, //8
|
|
4100, //9
|
|
4200 //10
|
|
};
|
|
|
|
void check_bat_level(void)
|
|
{
|
|
uint8_t i = 0;
|
|
//get bat level
|
|
#if ADC_ENABLE
|
|
for(i=0; i < C_batLevel_SetMax; i++)
|
|
{
|
|
if(CHIP_STA4 & 0x80) //充电
|
|
{
|
|
if( Vbat_Adc < Charging_batlevel_Threshold1[i] )
|
|
break;
|
|
}
|
|
else //放电
|
|
{
|
|
if( Vbat_Adc < Boost_batlevel_Threshold[i] )
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if( i > bat_level )
|
|
{
|
|
offset_bat_level++;
|
|
}
|
|
else
|
|
{
|
|
offset_bat_level--;
|
|
}
|
|
|
|
//debounce
|
|
if( (offset_bat_level > C_offset_bat_level_MAX) || (offset_bat_level < C_offset_bat_level_MIN) )
|
|
{
|
|
//update
|
|
bat_level = i;
|
|
offset_bat_level = ( C_offset_bat_level_MAX + C_offset_bat_level_MIN ) / 2;
|
|
}
|
|
|
|
if( bat_level <= C_bat_level_protect )
|
|
{
|
|
F_batlevel_protect = 1;
|
|
}
|
|
else if( bat_level > ( C_bat_level_protect + 1 ) )
|
|
{
|
|
F_batlevel_protect = 0;
|
|
}
|
|
|
|
if( bat_level <= C_bat_level_lowpower )
|
|
{
|
|
F_batlevel_low = 1;
|
|
}
|
|
else if( bat_level > (C_bat_level_lowpower + 1) )
|
|
{
|
|
F_batlevel_low = 0;
|
|
}
|
|
}
|
|
|
|
#endif
|