364 lines
8.8 KiB
C
364 lines
8.8 KiB
C
/*
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******************************************************************************
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*
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* @file charger_module.c
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* @brief charger module
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*
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*
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* @version 1.0
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* @date 2022/07/12 17:35:40
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* @author Alex Xu
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*
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* Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
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* All Rights Reserved
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*
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* History:
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* Revision Date Author Desc
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* 1.0.0 2022/07/12 Alex build this file
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******************************************************************************
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*/
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/*_____ I N C L U D E S ____________________________________________________*/
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#include "charger_module.h"
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#include "adc.h"
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#include "sys_tim.h"
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#include "discharge_module.h"
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#include "system.h"
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#include "vox_module.h"
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idata bit Charger_Done = 0;
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#if CHARGER_ENABLE
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/******************************************************************************\
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Macro definitions
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\******************************************************************************/
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#define NTC_PRO_DEBOUNCE_TIM 10
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#define CHG_CUR_1K 150 //ADC内恒流电源20uA，外接1K电阻，电压0.2V，为保证获取的值有效，取0.15V
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#define CHG_CUR_5K 800 //ADC内恒流电源20uA，外接5K电阻，电压1V，为保证获取的值有效，取0.8V
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#define CHG_CUR_10K 1800 //ADC内恒流电源20uA，外接10K电阻，电压2V，为保证获取的值有效，取1.8V
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#define CHG_CUR_NONE 3000
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/******************************************************************************\
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Variables definitions
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\******************************************************************************/
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bit g_Bat_Det_Flag = 0; //电池检测开始标志位，触发条件：1、VIN插入；2、没有电池条件下定时4s；3、Chg Done检测一次，Chg Done后不再每4s检测一次。
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idata uint8_t Cnt_Bat_Det_Tim = 0;
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idata uint8_t Cnt_Die_OT_Tim = 0;
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/******************************************************************************\
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Functions definitions
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\******************************************************************************/
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/*
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*******************************************************************************
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* void Charger_init(void)
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*
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* Description : Charger Initialization
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*
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* Arguments : NONE
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* Returns : NONE
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* Notes : NONE
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*
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*******************************************************************************
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*/
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#if 0
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void Charger_Init(void)
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{
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//SFRADDR = PMU_CTL1;
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//SFRDATA |= 0x07; //电池低压检测 enable 信号；电池低压检测档位选择：3.3V
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/* Setting CV */
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// REG_CHG2 = 0x00; //0:4.20V;1:4.35V
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/* Setting CHG Current */
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// REG_CHG1 = 0x03; //000:100mA;001:200mA;010:250mA;011:300mA;100:350mA;101:400mA;110:450mA;111:500mA
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#if SET_CHG_TIM
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/* Set Charge Time*/
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Set_Charger_Time();
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#endif
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CHG_CTL &= ~0x80;
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}
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#endif
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/*
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*******************************************************************************
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* void Set_Charge_Time(void)
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*
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* Description : Set Charger Time
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*
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* Arguments : void
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* Returns : NONE
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* Notes : NONE
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*
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*******************************************************************************
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*/
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#if SET_CHG_TIM
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void Set_Charger_Time(void)
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{
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CHG_CTL &= 0xF0;
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CHG_CTL |= 0x10; //Safety timer enable
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CHG_CTL |= 0x01 << 3; //设置涓流时间：0:1 hour;1:2:hours
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CHG_CTL |= 0x03 << 2; //设置恒流恒压时间:00:3 hours;01:5 hours;10:8 hours;11:13 hours
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}
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#endif
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/*
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*******************************************************************************
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* uint8_t Charger_NTC_Control(uint8_t Charge_sta)
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*
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* Description : Charger NTC Control
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* NTC 支持 103 和 104 电阻，NTC 温度检测由软件通过 ADC 采集 NTC 引脚电压。
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* 如果支持电量计温度检测线性化，支持电量计方案 103 的 NTC 需要并一个 8.2k
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* 电阻（20uA 电流，103 NTC 需要串联 10k 电阻），104 的 NTC 并联 82k 电阻。
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* 在使能充电前，软件先检测NTC 温度，如果 NTC 浮空，屏蔽 NTC 功能，
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* 并锁定；如果 NTC 下拉到 0V，关闭充电和放电。NTC 保护后，软件关闭充电，
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* 温度恢复正常并持续 250ms，再继续充电。
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*
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* Arguments : NTC_Protect_Type_e NTC_Type:Shield 、JEITA or IEC;Charge_sta:Charge or not
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* Returns :NTC_Flag (0:Shield; 1:JEITA; 2:IEC)
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* Notes : NONE
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*
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*******************************************************************************
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*/
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uint8_t PMU_NTC_Control(void)
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{
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uint16_t NTC_Adc = 0;
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uint8_t NTC_Flag = FALSE;
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// NTC_Adc = VTS_Value();
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// NTC_Adc = ADCx_Value(ADC_CH4);
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if(NTC_Adc >= 0xFFF) ////屏蔽NTC功能，NTC浮空，屏蔽 NTC 功能，并锁定。
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{
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return NTC_Flag;
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}
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return NTC_Flag;
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}
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/*
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*******************************************************************************
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* void Charger_Protect_Handle(void)
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*
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* Description : Charger Protect Handle(输入 UVLO 保护，输入过压保护，电池过压保护，电池短路保护，NTC 保护，过温保护，ICH 短路保护)
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*
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* Arguments : NONE
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* Returns :uint8_t Protect_Type_Flg (bit0~bit8分别代表不同的保护类型。)
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* Notes : NONE
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*
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*******************************************************************************
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*/
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uint8_t Charger_Protect_Handle(void)
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{
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uint16_t VIN_Adc = 0;
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uint8_t Pro_Flag = TRUE;
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if( CHIP_STA3 & 0x02 ) //过温(Die ot)保护
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{
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Protect_Type_Flg |= DIE_OT_PRO_TYPE;
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Cnt_Die_OT_Tim = 0;
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#ifdef _DEBUG_CHARGER
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printf("Chg Pro DIR OT!\r\n");
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#endif
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return FALSE;
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}
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if( CHIP_STA3 & 0x20 ) //VIN Over voltage
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{
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Protect_Type_Flg |= VBUS_OVERVOL_PRO_TYPE;
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#ifdef _DEBUG_CHARGER
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printf("Chg Pro Over Vol!\r\n");
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#endif
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return FALSE;
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}
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if(Protect_Type_Flg & VBUS_OVERVOL_PRO_TYPE)
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{
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if( !(CHIP_STA3 & 0x20) ) //系统解除VBUS Over Vol后进入正常工作模式，清标志位。
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{
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Protect_Type_Flg &= ~VBUS_OVERVOL_PRO_TYPE;
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Pro_Flag = TRUE;
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}
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}
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if( CHIP_STA4 & 0x10 ) //Charger BAT over voltage
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{
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Protect_Type_Flg |= BAT_OVERVOL_PRO_TYPE;
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#ifdef _DEBUG_CHARGER
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printf("Chg Pro Bat Over Vol!\r\n");
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#endif
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return FALSE;
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}
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if(Protect_Type_Flg & BAT_OVERVOL_PRO_TYPE)
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{
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if( !(CHIP_STA4 & 0x10) ) //系统解除Charger BAT over voltage后进入正常工作模式，清标志位。
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{
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Protect_Type_Flg &= ~BAT_OVERVOL_PRO_TYPE;
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Pro_Flag = TRUE;
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}
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}
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return Pro_Flag;
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}
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/*
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*******************************************************************************
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* uint8_t VIN_Detect_Handle(void)
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*
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* Description : VIN Detect Handle
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*
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* Arguments : NONE
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* Returns : Plug State (0:NO Plug; 1:Plug Out; 2:Plug In)
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* Notes : NONE
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*
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*******************************************************************************
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*/
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#if 0
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uint8_t VIN_Detect_Handle(void)
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{
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uint8_t VIN_Plug_State = 0;
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switch(g_Plug_Irq_Flg)
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{
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case 0:
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VIN_Plug_State = 0;
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break;
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case VBUS_PLGOUT_FLG:
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VIN_Plug_State = 1;
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Charger_Done = 0;
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#ifdef _DEBUG_CHARGER
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printf("Vin PlugOut(line:%d)\r\n",(uint16)__LINE__);
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#endif
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#if 1
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/* 充电过程中 VIN 拔出，会触发 DPM！DPM 功能可以通过软件关闭! */
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if(CHIP_STA4 & 0x40) //Charger vin DPM status
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{
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SFRADDR = REG_CHG0;
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SFRDATA &= ~0x04; //关闭DPM环
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}
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#endif
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break;
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case VBUS_PLGIN_FLG:
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if(CHIP_STA4 & 0x80) //Power Good
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{
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VIN_Plug_State = 2;
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g_Bat_Det_Flag = 1;
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#ifdef _DEBUG_CHARGER
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printf("Vin PlugIn(line:%d)\r\n",(uint16)__LINE__);
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#endif
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}
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break;
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default:
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break;
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}
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g_Plug_Irq_Flg = 0;
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return VIN_Plug_State;
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}
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#endif
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/*
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*******************************************************************************
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* void Charger_Handler(void)
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*
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* Description : Charger Handle. ---- 充电过程除了根据 NTC 动态调节充电电流和截止电压外，其他由硬件控制。充电过程
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发生异常，硬件进行相应处理，并发送标志位，软件可以进行相应处理。
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*
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* Arguments : NONE
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* Returns : NONE
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* Notes : NONE
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*
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*******************************************************************************
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*/
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void Charger_Handler(void)
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{
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uint8_t Ret = 0;
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uint16_t Vbat_Adc = 0;
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uint16_t Bat_Adc = 0;
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Ret = Charger_Protect_Handle(); //Get Charger Protect Type.
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if(Ret == FALSE) //保护，不开启后续充电。
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{
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CHG_CTL &= ~0x01; //Disable Charger
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return;
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}
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/*NTC Handle*/
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Ret = PMU_NTC_Control(); //使能Charger前先检测NTC温度，异常就不开充电。(CHIP_STA4 & 0x80):PG
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if(Ret == FALSE) //NTC保护，不充电。
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{
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return;
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}
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/*VIN Detection and Power good.注意硬件已对VIN消抖！*/
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//VIN_Detect_Handle();
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if( !(CHIP_STA4 & 0x80) ) //未检测到Power good,则关闭Charger使能后返回。
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{
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CHG_CTL &= ~0x01; //Disable Charger
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Charger_Done = 0;
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return;
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}
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if( Charger_Done )
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{
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#if ADC_ENABLE
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Bat_Adc = Vbat_Value(); //获取Bat电压
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#ifdef _DEBUG_CHARGER
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printf("Charge Done!\r\n");
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#endif
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#endif
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if( Bat_Adc < BAT_RECHARG )
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{
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CHG_CTL |= 0x01; //Enable Charger
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Charger_Done = 0;
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#ifdef _DEBUG_CHARGER
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printf("Enable Charge!\r\n");
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#endif
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}
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else
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{
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CHG_CTL &= ~0x01; //Disable Charger
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#ifdef _DEBUG_CHARGER
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printf("Disable Charge!\r\n");
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#endif
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}
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}
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else
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{
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CHG_CTL |= 0x01; //Enable Charger
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}
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}
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#endif
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