346 lines
7.9 KiB
C
346 lines
7.9 KiB
C
/*
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******************************************************************************
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*
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* @file discharge_module.c
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* @brief discharge 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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#include "discharge_module.h"
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#include "vox_module.h"
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#include "adc.h"
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#include "charger_module.h"
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#include "sys_tim.h"
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#include "system.h"
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#include "led.h"
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#if DISCHARGE_ENABLE
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/******************************************************************************\
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Macro definitions
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\******************************************************************************/
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/******************************************************************************\
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Variables definitions
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\******************************************************************************/
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uint8_t Boost_Short_Tim = 0;
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uint8_t Boost_Protect_Type = 0;
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bit gBoost_Prepared_Flag = 0; //Boost满足开启条件。
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bit gBoost_Opened_Flag = 0; //Boost已正常开启。
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bit gBoost_UVLO_Flag = 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 DisCharge_init(void)
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*
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* Description : DisCharger Initialization
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*
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* Arguments : uint8_t Boost_Vout:Boost输出电压调节，Default:5V，00000~00111:4.0V（硬件设定最小值）；01000:4.05 .... 11111:5.2V。设置比电池电压低，会触发短路保护。
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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 Boost_Init(void)
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{
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if(Boost_Vout <= 0x07)
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{
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BST_EN = 0x01;
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}
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}
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#endif
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#if 0
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/*
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*******************************************************************************
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* void DisCharge_Boost_Open(void)
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*
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* Description : Boost Open
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* VIN 存在时，Boost 在电池电压高于 UVLO（硬件关闭 2.8/3.0V，硬件清 boost 使能。开
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* 软件实现，有 VIN，3.6V，无 VIN，3.3V）和电池存在的情况下才能开启。
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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 DisCharge_Boost_Open(void)
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{
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if(!(BST_EN & 0x01) && gBoost_Prepared_Flag) //Boost需满足开启条件
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{
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BST_EN = 1; //Boost Enable；异常时由硬件主动关闭。
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Open!\r\n");
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#endif
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}
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}
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/*
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*******************************************************************************
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* void DisCharge_Boost_Close(void)
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*
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* Description : Boost Close；主要是出现异常时由硬件主动关闭，软件在电池LOW电量状态下，是否需要关闭boost输出？
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*
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* Arguments :
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* Returns :
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* Notes :
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*
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*******************************************************************************
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*/
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void DisCharge_Boost_Close(void)
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{
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if( BST_EN & 0x01 )
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{
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BST_EN = 0; //Boost Disable
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}
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Close!\r\n");
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#endif
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gBoost_Prepared_Flag = 0;
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}
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#endif
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/*
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*******************************************************************************
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* void DisCharge_Boost_Protect_Handle(void)
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*
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* Description : Boost放电的保护功能包括：输出过压保护，输出短路保护，电池过压保护，电池 UVLO 保护，放电过流保护，NTC 保护，过温保护。
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*
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* Arguments :
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* Returns :
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* Notes :
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*
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*******************************************************************************
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*/
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void DisCharge_Boost_Protect_Handle(void)
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{
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uint8_t Irq_Flag = 0;
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uint16_t nNTC_Adc_Value = 0;
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uint16_t Vbat_Adc = 0;
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uint8_t Ret = 0;
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/* 输出过压过流保护 --- 硬件实现，无标志位 */
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/*放电过流保护 --- 硬件实现*/
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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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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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BST_EN = 0;
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Pro DIR OT!\r\n");
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#endif
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return;
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}
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/*问题：接触保护后，功能是否恢复正常？*/
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#if 1
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/*NTC 保护*/
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Ret = PMU_NTC_Control(); //使能Charger前先检测NTC温度，异常就不开Boost。在放电时需要进入 standby 模式，定时器定时唤醒系统，检测 NTC 温度。
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if(Ret == FALSE) //NTC保护，不充电。
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{
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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BST_EN = 0;
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Pro ntc error!\r\n");
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#endif
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return;
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}
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#endif
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/*输出短路保护 -- 短路保护后一直打嗝或者打嗝BOOST_HICCUP_TIM次之后disable boost，打嗝时间 250ms（软件实现）。*/
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//Reg_Chip_Sta = CHIP_STA0;
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if(Protect_Type_Flg & BOOST_OUTPUT_SHORT_PRO_TYPE) /**/
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{
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Pro Output Short!\r\n");
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#endif
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#if 0 //打嗝BOOST_HICCUP_TIM次后，不再开启Boost。需系统重启
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if(Boost_Short_Tim <= BOOST_HICCUP_TIM)
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{
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if(F_sys_tim_250ms)
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{
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F_sys_tim_250ms = 0;
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Protect_Type_Flg &= ~BOOST_OUTPUT_SHORT_PRO_TYPE;
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BST_EN = 1; //250ms定时开一次Boost
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Boost_Short_Tim++;
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}
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}
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else
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{
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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BST_EN = 0;
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}
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#else //一直打嗝
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if(F_sys_tim_250ms)
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{
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F_sys_tim_250ms = 0;
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Protect_Type_Flg &= ~BOOST_OUTPUT_SHORT_PRO_TYPE;
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BST_EN = 1; //250ms定时开一次Boost
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}
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#endif
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return;
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}
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/*Boost Input UVLO 硬件保护*/
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if(!(CHIP_STA0 & 0x80))
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{
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Boost_Protect_Type |= BOOST_UVLO_PRO_TYPE;
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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gBoost_UVLO_Flag = 1; //在电池检测过程中，
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BST_EN = 0;
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#ifdef _DEBUG_DISCHARGE
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printf("Boost Pro Uvlo!\r\n");
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#endif
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return;
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}
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#if 1
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/*BAT Low*/
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if( CHIP_STA2 & 0x04 ) //bat low。不开boost BAT LOW detection enabled only when boost is enabled. 未开Boost，在进入Standby Mode后还是会被电池低电唤醒。
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{
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Boost_Protect_Type |= BAT_LOW_PRO_TYPE;
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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BST_EN = 0;
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// LEDR_TOG();
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#ifdef _DEBUG_DISCHARGE
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printf("BAT LOW Pro!\r\n");
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#endif
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return;
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}
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#endif
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gBoost_Prepared_Flag = 1; //未发生Boost相关保护，可以开启Boost。
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if( 1 == gBoost_UVLO_Flag )
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{
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#if ADC_ENABLE
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Vbat_Adc = Vbat_Value(); //获取Bat电压
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#endif
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/*
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VIN 存在时，Boost 在电池电压高于 UVLO（硬件关闭 2.8/3.0V，硬件清 boost 使能。开
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软件实现，有 VIN，3.6V，无 VIN，3.3V）和电池存在的情况下才能开启。
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软件上只作有 VIN，3.6V开boost，无 VIN，3.3V开boost逻辑。
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*/
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if( CHIP_STA4 & 0x07 ) //Get In Charger Mode
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{
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if(Vbat_Adc >= OPEN_BOOST_VIN)
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{
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if(gBoost_Prepared_Flag)
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{
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gBoost_Opened_Flag = 1;
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BST_EN = 1;
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gBoost_UVLO_Flag = 0;
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Boost_Protect_Type &= ~BOOST_OUTPUT_SHORT_PRO_TYPE;
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Boost_Protect_Type &= ~BOOST_UVLO_PRO_TYPE;
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Boost_Short_Tim = 0;
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}
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}
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else
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{
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Boost_Protect_Type |= BOOST_UVLO_PRO_TYPE;
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BST_EN = 0; //Boost Disable
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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}
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}
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else
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{
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if(Vbat_Adc >= OPEN_BOOST_NOVIN)
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{
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if(gBoost_Prepared_Flag)
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{
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gBoost_Opened_Flag = 1;
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BST_EN = 1;
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gBoost_UVLO_Flag = 0;
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Boost_Protect_Type &= ~BOOST_OUTPUT_SHORT_PRO_TYPE;
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Boost_Protect_Type &= ~BOOST_UVLO_PRO_TYPE;
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Boost_Short_Tim = 0;
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}
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}
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else
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{
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Boost_Protect_Type |= BOOST_UVLO_PRO_TYPE;
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BST_EN = 0; //Boost Disable
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gBoost_Prepared_Flag = 0;
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gBoost_Opened_Flag = 0;
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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(gBoost_Prepared_Flag)
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{
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gBoost_Opened_Flag = 1;
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BST_EN = 1;
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}
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}
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}
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/*
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*******************************************************************************
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* void DisCharge_While_Charging(void)
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*
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* Description : 边充边放。
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*
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* Arguments : uint8_t Ext_MOS --- 0:No External MOS;1:Exist External MOS, GPIO Control.
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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 DisCharge_Handler(void)
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{
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DisCharge_Boost_Protect_Handle();
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}
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#endif
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