622 lines
13 KiB
C
622 lines
13 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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* @ic sy8835
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*
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* @version 1.0
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* @date 2024/11/01 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 2024/11/01 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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#include "led.h"
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#include "userapp.h"
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#include "bat.h"
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bit Charger_Done = 0;
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#ifdef NTC_ENABLE
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bit NTC_Pro_Flag = 0;
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#endif
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idata TE_CHG_STA ChgStatus; // CHG状态定义
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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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/******************************************************************************\
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Variables definitions
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\******************************************************************************/
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idata uint8_t gConstant_Cur_Max_Setting = CHG_ICC_2_00MA; //Charge最大充电电流。
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idata s_gCharger_Cfg gCharge_Cfg;
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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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void Charger_Init(void)
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{
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#ifdef SY8838Q //合封OVP芯片SY8838Q
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SFRADDR = PMU_CTL7; //合封芯片关闭VBUS OV检测使能
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SFRDATA &= ~0x20;
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SFRADDR = REG_CHG0;
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SFRDATA |= 0x04; //合封关VDPM环
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#endif
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gCharge_Cfg.nTrickle_Cur = CHG_ITC_20MA;
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gCharge_Cfg.nIterm_Cur = CHG_ITERM_20MA;
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gCharge_Cfg.nConstant_Cur = gConstant_Cur_Max_Setting;
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gCharge_Cfg.nVFloat = CHG_VFLOAT_4_200V;
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REG_CHG1 = gCharge_Cfg.nTrickle_Cur | gCharge_Cfg.nIterm_Cur | gCharge_Cfg.nConstant_Cur ; //设置Charger的涓流充电电流、截止充电电流、恒流CC。
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REG_CHG2 = gCharge_Cfg.nVFloat;
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}
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#ifdef NTC_ENABLE
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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_Handle(uint8_t Charge_sta)
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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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bit NTC_Change_CV_Chg_Flag;
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static bit DisChg_NTC_Low_Pro_Flag;
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static bit DisChg_NTC_High_Pro_Flag;
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static bit CHG_NTC_Low_Pro_Flag;
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static bit CHG_NTC_High_Pro_Flag;
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static bit NTC_250mA_Chg_Flag;
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static bit NTC_500mA_Chg_Flag;
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#if ADC_ENABLE
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NTC_Adc = g_Vntc_Adc;
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#endif
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if( NTC_Adc >= NONE_NTC ) ////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 FALSE;
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}
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#if NTC_JEITA
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if( Charge_sta ) //VBUS plugin status 充电模式
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{
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if( ( NTC_Adc <= T_0C ) && ( NTC_Adc > T_60C ) )
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{
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if( NTC_Adc > T_10C ) //0.5*ICC充电
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{
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NTC_250mA_Chg_Flag = 1;
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gCharge_Cfg.nConstant_Cur = gConstant_Cur_Max_Setting / 2;
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if( NTC_500mA_Chg_Flag )
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{
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if( NTC_Adc > T_8C )
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{
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NTC_500mA_Chg_Flag = 0;
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//gCharge_Cur.nConstant_Cur = gConstant_Cur_Max_Setting / 2;
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}
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else
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{
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gCharge_Cfg.nConstant_Cur = gConstant_Cur_Max_Setting;
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}
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}
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NTC_Flag = FALSE;
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}
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else
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if( NTC_Adc <= T_10C && NTC_Adc > T_45C ) //1*ICC充电
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{
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NTC_500mA_Chg_Flag = 1;
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gCharge_Cfg.nConstant_Cur = gConstant_Cur_Max_Setting;
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if( NTC_250mA_Chg_Flag )
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{
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if( NTC_Adc <= T_12C )
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{
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NTC_250mA_Chg_Flag = 0;
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// gCharge_Cur.nConstant_Cur = gConstant_Cur_Max_Setting;
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}
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else
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{
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gCharge_Cfg.nConstant_Cur = gConstant_Cur_Max_Setting / 2;
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}
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}
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gCharge_Cfg.nVFloat = CHG_VFLOAT_4_200V;
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if( NTC_Change_CV_Chg_Flag )
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{
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if( NTC_Adc <= T_42C )
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{
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NTC_Change_CV_Chg_Flag = 0;
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// gCharge_Cur.nVFloat = CHG_VFLOAT_4_200V;
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}
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else
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{
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gCharge_Cfg.nVFloat = CHG_VFLOAT_4_000V;
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}
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}
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NTC_Flag = FALSE;
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}
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else
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if( NTC_Adc <= T_45C ) //浮充电压4.05V
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{
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NTC_Change_CV_Chg_Flag = 1;
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gCharge_Cfg.nVFloat = CHG_VFLOAT_4_000V;
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if( NTC_500mA_Chg_Flag )
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{
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if(NTC_Adc <= T_47C)
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{
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NTC_500mA_Chg_Flag = 0;
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// gCharge_Cur.nVFloat = CHG_VFLOAT_4_050V;
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}
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else
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{
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gCharge_Cfg.nVFloat = CHG_VFLOAT_4_200V;
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}
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}
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NTC_Flag = FALSE;
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}
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if( CHG_NTC_Low_Pro_Flag )
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{
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if( NTC_Adc < T_3C)
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{
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CHG_NTC_Low_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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if( CHG_NTC_High_Pro_Flag )
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{
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if( NTC_Adc > T_57C )
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{
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CHG_NTC_High_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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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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if( NTC_Adc > T_0C ) //不充电
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{
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CHG_NTC_Low_Pro_Flag = 1;
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#ifdef _DEBUG_CHARGER
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printf("NTC Low Pro!NTC_Adc:%d,(line:%d)\r\n",(uint16)NTC_Adc,(uint16)__LINE__);
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#endif
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NTC_Flag = TRUE;
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}
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else
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if( NTC_Adc <= T_60C ) //不充电
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{
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CHG_NTC_High_Pro_Flag = 1;
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NTC_Flag = TRUE;
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#ifdef _DEBUG_CHARGER
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printf("NTC High Pro!NTC_Adc:%d,(line:%d)\r\n",(uint16)NTC_Adc,(uint16)__LINE__);
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#endif
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}
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}
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DisChg_NTC_Low_Pro_Flag = 0;
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DisChg_NTC_High_Pro_Flag = 0;
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}
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else //放电模式
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{
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CHG_NTC_Low_Pro_Flag = 0;
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CHG_NTC_High_Pro_Flag = 0;
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if( NTC_Adc <= T_N20C && NTC_Adc > T_80C ) //正常放电
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{
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if( DisChg_NTC_Low_Pro_Flag )
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{
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if( NTC_Adc < T_N15C )
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{
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DisChg_NTC_Low_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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if( DisChg_NTC_High_Pro_Flag )
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{
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if( NTC_Adc > T_75C )
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{
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DisChg_NTC_High_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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}
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else //异常不放电
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{
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if( NTC_Adc > T_N20C )
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{
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DisChg_NTC_Low_Pro_Flag = 1;
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}
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else
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if( NTC_Adc < T_80C )
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{
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DisChg_NTC_High_Pro_Flag = 1;
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}
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NTC_Flag = TRUE;
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}
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}
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#elif NTC_IEC
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if(Charge_sta) //VBUS plugin status 充电模式
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{
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if(NTC_Adc <= T_0C && NTC_Adc > T_45C) //正常充电
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{
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if(CHG_NTC_Low_Pro_Flag)
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{
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if( NTC_Adc < T_3C )
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{
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CHG_NTC_Low_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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if(CHG_NTC_High_Pro_Flag)
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{
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if( NTC_Adc > T_42C )
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{
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CHG_NTC_High_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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}
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else //异常不充电
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{
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if(NTC_Adc > T_0C)
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{
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CHG_NTC_Low_Pro_Flag = 1;
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}
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else
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if(NTC_Adc <= T_45C)
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{
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CHG_NTC_High_Pro_Flag = 1;
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}
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#ifdef _DEBUG_CHARGER
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printf("NTC Pro!NTC_Adc:%d,CHG_CTL:0x%x,(line:%d)\r\n",(uint16)NTC_Adc,(uint16)CHG_CTL,(uint16)__LINE__);
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#endif
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NTC_Flag = TRUE;
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}
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DisChg_NTC_Low_Pro_Flag = 0;
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DisChg_NTC_High_Pro_Flag = 0;
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}
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else //放电模式
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{
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CHG_NTC_Low_Pro_Flag = 0;
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CHG_NTC_High_Pro_Flag = 0;
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if( (NTC_Adc <= T_N20C) && (NTC_Adc > T_80C) ) //正常放电
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{
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if( DisChg_NTC_Low_Pro_Flag )
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{
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if( NTC_Adc < T_N15C )
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{
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DisChg_NTC_Low_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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if(DisChg_NTC_High_Pro_Flag)
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{
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if( NTC_Adc > T_75C )
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{
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DisChg_NTC_High_Pro_Flag = 0;
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NTC_Flag = FALSE;
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}
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else
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{
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NTC_Flag = TRUE;
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}
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}
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}
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else //异常不放电
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{
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if(NTC_Adc > T_N20C)
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{
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DisChg_NTC_Low_Pro_Flag = 1;
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}
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else
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if(NTC_Adc <= T_80C)
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{
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DisChg_NTC_High_Pro_Flag = 1;
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}
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NTC_Flag = TRUE;
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}
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}
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#endif
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return NTC_Flag;
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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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/*
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1、充电超时：充电超时后，软件关闭充电使能，等待VIN拔出。
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2、输入UVLO保护；软件无需处理，充电启动条件看PG。
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3、VIN DPM：软件无需处理；
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4、输入过压保护：软件无需处理；
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5、电池过压保护：软件无需处理；
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6、电池短路保护：软件无需处理；
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7、NTC保护：按JEITA或IEC标准调整充电参数；
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8、过温保护：软件无需处理；
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软件只需处理VIN是否PG、NTC保护、充电完成和复充，其它保护均由硬件自动关闭Charger，保护恢复后，软件会重新启动Charger，
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各个保护，软件可以读取对应的标志位或状态位，软件只需处理充电超时，充电超时后，软件关闭充电使能，等待VIN拔出。
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*/
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void Charger_Handler(void)
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{
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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 &= ~CHG_EN; //Disable Charger
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ChgStatus = CHG_NONE;
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Charger_Done = 0;
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#ifdef _DEBUG_CHARGER
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printf("No Chg\r\n");
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#endif
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return;
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}
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/*Charger Vbus Over Voltage.*/
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if ( IRQ_FLAG0 & VBUS_OverVol )
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{
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IRQ_FLAG0 = VBUS_OverVol;
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CHG_CTL &= ~CHG_EN; //Disable Charger
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ChgStatus = CHG_PROTECT;
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return;
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}
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/* 过温保护 --- 硬件实现 */
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if( CHIP_STA3 & 0x02 )
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{
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CHG_CTL &= ~CHG_EN; //Disable Charger
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ChgStatus = CHG_PROTECT;
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return;
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}
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/* 电池过压保护。 */
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if( IRQ_FLAG9 & BAT_OverVol ) //电池过压保护
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{
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IRQ_FLAG9 = BAT_OverVol;
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CHG_CTL &= ~CHG_EN; //Disable Charger
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return;
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}
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/*各项保护都无需软件处理，只处理充电超时，超时后需要等VBUS重新插拔后才重新开始Charger流程。*/
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if ( IRQ_FLAG9 & ( CHG_FastChgTmr | CHG_TricleChgTmr ) ) //充电超时,Tricle charg and Fast charge timeout
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{
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CHG_CTL &= ~CHG_EN; //Disable Charger
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if ( IRQ_FLAG10 & ( VBUS_PLUG_OUT | VBUS_PLUG_IN ) ) //Plugin\Plugout interrupt
|
||
{
|
||
IRQ_FLAG9 = CHG_FastChgTmr | CHG_TricleChgTmr;
|
||
|
||
IRQ_FLAG10 = VBUS_PLUG_OUT | VBUS_PLUG_IN; //Clear Plugin\Plugout interrupt
|
||
}
|
||
|
||
return;
|
||
}
|
||
else /*充电未超时，存在Plug则清Plugin\Plugout int*/
|
||
{
|
||
IRQ_FLAG10 = VBUS_PLUG_OUT | VBUS_PLUG_IN; //Clear Plugin\Plugout interrupt
|
||
}
|
||
|
||
#ifdef NTC_ENABLE
|
||
|
||
/*NTC Handle*/ //使能Charger前先检测NTC温度，异常就不开充电。(CHIP_STA4 & 0x80):PG
|
||
if( PMU_NTC_Handle( CHG_ON ) ) //NTC保护，不充电。
|
||
{
|
||
CHG_CTL &= ~CHG_EN; //Disable Charger.
|
||
|
||
NTC_Pro_Flag = 1;
|
||
|
||
ChgStatus = CHG_PROTECT;
|
||
|
||
return;
|
||
}
|
||
|
||
NTC_Pro_Flag = 0;
|
||
|
||
#endif
|
||
|
||
if( IRQ_FLAG9 & CHG_Complete ) //Charg complete interrupt
|
||
{
|
||
|
||
#if ADC_ENABLE
|
||
|
||
if( g_Vbat_Adc < BAT_RECHARG )
|
||
{
|
||
IRQ_FLAG9 = CHG_Complete;
|
||
}
|
||
else
|
||
{
|
||
CHG_CTL &= ~CHG_EN; //Disable Charger
|
||
}
|
||
|
||
if( !Charger_Done )
|
||
{
|
||
Charger_Done = 1;
|
||
|
||
ChgStatus = CHG_STA_COMPLETED;
|
||
|
||
#ifdef LED_DISPLAY
|
||
LED_On_Flag = 1;
|
||
#endif
|
||
}
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
REG_CHG1 = gCharge_Cfg.nTrickle_Cur | gCharge_Cfg.nIterm_Cur | gCharge_Cfg.nConstant_Cur ; //设置Charger的涓流充电电流、截止充电电流、恒流CC。
|
||
|
||
REG_CHG2 = gCharge_Cfg.nVFloat; //设置CV电压阈值。
|
||
|
||
CHG_CTL |= CHG_SafyTmr_EN | CHG_EN; //Enable Charger And Charger Timeout
|
||
|
||
#if BAT_VALUE
|
||
|
||
if( bat_level > ( C_bat_level_protect + 1 ) )
|
||
{
|
||
F_batlevel_protect = 0;
|
||
}
|
||
|
||
if( bat_level > (C_bat_level_lowpower + 2) )
|
||
{
|
||
F_batlevel_low = 0;
|
||
}
|
||
|
||
#endif
|
||
ChgStatus = CHG_STA_ING;
|
||
|
||
#ifdef _DEBUG_CHARGER
|
||
printf("Chg ing\r\n");
|
||
#endif
|
||
Charger_Done = 0;
|
||
}
|
||
|
||
}
|
||
|
||
#endif
|
||
|