/*
 ******************************************************************************
 *
 * @file     key.c
 * @brief    key module
 * @ic		 sy8835                 
 *
 * @version  1.0
 * @date     2024/11/01   15:00:40
 * @author   Alex Xu
 *
 * Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
 * All Rights Reserved
 *
 * History:
 * Revision          Date           Author            Desc
 * 1.0.0            2024/11/01      Alex          build this file
 ******************************************************************************/
 /*_____ I N C L U D E S ____________________________________________________*/
#include "key.h"
#include "system.h"
#include "led.h"
#include "sleep.h"
#include "adc.h"
#include "bat.h"
#include "vox_module.h"
#include "userapp.h"
#include "hall.h"

#if KEY_ENABLE
/******************************************************************************\
                          Macro definitions
\******************************************************************************/
#define KEY_PRESS_500MS_CNT			25			//按键按下500ms(调用周期20ms)

#define KEY_PRESS_2S_CNT			100			//按键按下计数2s(调用周期20ms)

#define KEY_PRESS_5S_CNT			250

#define KEY_PRESS_8S_CNT			400			//按键按下计数8s(调用周期20ms)

/******************************************************************************\
                             Variables definitions
\******************************************************************************/

bit Key_Press_short_irq = 0;
bit Key_Press_l_irq = 0;
bit Key_Press_ll_irq = 0;

idata KEY_EVENT_E Event_key = 0;

uint8_t Key_TWS_Pair_Tim = 0;
uint8_t Key_TWS_Pair_Cnt = 0;

uint16_t Key_Press_Debounce = 0;

#define KEY_TWS_PAIR_TIMER	 	20
#define KEY_TWS_PAIR_CNT 		5

#define KEY_TWS_PAIR_CLEAR_CNT	30

/******************************************************************************\
                             Functions definitions
\******************************************************************************/


/*
 *******************************************************************************
 *             void Key_Handler(void)
 *
 * Description : Key Handler --- 主循环中调用，调用周期5ms。其中长按(按键时间大于2s)需要判断抬键动作才触发。
 					CoverStatus --- 充电仓盖子状态。（本函数提供对应Key事件标志位，后续应用待定）
 				(调用周期20ms)
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
 void Key_Handler(void)
 {
	static bit Key_Press_Flag;

	static bit Key_Lift_Flag;

	static bit nKey_Press_short_irq;
		
	static bit nKey_Press_2s_Flag;

	static bit nKey_Press_8s_Flag;
	
	if( pmu_Info.pmu_Chip_STA & KEY_STA )        											//Key的状态值：1：按下；
	{
		Key_Press_Debounce++;
		if( Key_Press_Debounce >= KEY_PRESS_2S_CNT )								//长按2s，需要抬键判断
		{
			if( !nKey_Press_2s_Flag )
			{
				nKey_Press_2s_Flag = 1;							
			}
		}
		else
		if( Key_Press_Debounce >= KEY_PRESS_8S_CNT )								//长按8s，VOX掉电
		{
			if( !nKey_Press_8s_Flag )
			{
				nKey_Press_8s_Flag = 1;
				
				Key_Press_ll_irq = 1;	
			}
		}			
					
		Key_Press_Flag = 1;	
		
		Key_Lift_Flag = 0;
	}
	else
	{
		if( Key_Press_Flag )
		{
			Key_Press_Flag = 0;
			
			Key_Lift_Flag = 1;
			
			nKey_Press_8s_Flag = 0;
		
			if( (Key_Press_Debounce <= KEY_PRESS_500MS_CNT) )	         			 //松开按键，按下时间小于500ms，则识别为短按，显示电量
			{
				Key_Press_short_irq = 1;

				nKey_Press_short_irq = 1;	
#ifdef LED_DISPLAY									
				LED_On_Flag = 1;
#endif					
			}	
			else
			if( (Key_Press_Debounce < KEY_PRESS_5S_CNT) )							//按键时间大于2s小于5s则判断为长按2s。
			{
				if( nKey_Press_2s_Flag )
				{
					nKey_Press_2s_Flag = 0;

					Key_Press_l_irq = 1;	
				}
			}
		}
				
		Key_Press_Debounce = 0;
	}	
	
	if( Key_Lift_Flag )
	{		
		Key_Lift_Flag = 0;
		
		if( Key_Press_l_irq )
		{
			Key_Press_l_irq = 0;
			/*todo*/
			Event_key = KEY_EVENT_L_2S;
			
			Key_TWS_Pair_Tim = 0;
			
			/*耳机配对*/

#ifdef _DEBUG_KEY		
			printf("long 2s press\r\n");
#endif
		}
		/*长按8s，系统强制进shipmode.*/
		if( Key_Press_ll_irq )
		{
			Key_Press_ll_irq = 0;
			/*todo*/
			Event_key = KEY_EVENT_LL_8S;
			
#ifdef _DEBUG_KEY
			printf("supper long 8s press\r\n");
#endif
		}	

		if( nKey_Press_short_irq )
		{
			nKey_Press_short_irq = 0;
			
			/*todo*/
			Event_key = KEY_EVENT_SHORT;

#ifdef _DEBUG_KEY
			printf("short press\r\n");
#endif
		}
	}
	else
	{
		Event_key = KEY_EVENT_Empty;
	}
	
#if 1
	if ( CoverStatus == OPEN )
	{
		if( Event_key == KEY_EVENT_L_2S )			//长按2s，充电仓发送配对指令。
		{
			if( Key_TWS_Pair_Tim < 1 )
			{
#ifdef VOX_TX
				HandleTxCommand(VHOUSE_CMD_PAIR,VOR_CHAN); 		//右耳发配对指令，区分耳机通道。
#endif
				Vox_Get_BES_Addr_Flag[VOL_TYPE] = 0x00;
				Vox_Get_BES_Addr_Flag[VOR_TYPE] = 0x00; 
			}
			else
			{
				if(Key_TWS_Pair_Cnt > KEY_TWS_PAIR_CNT)	 //耳机蓝牙地址置换超时10s，关闭蓝牙地址置换，开启VOX 5V。
				{
					Key_TWS_Pair_Cnt = 0;
#if VOX_ENABLE					
					VOX_EN_Type(VOX_VOUT_Mode);
#endif
					return;
				}
				else
				{
					if( Vox_Get_BES_Addr_Flag[VOR_TYPE] == 0x01 )	  /*收到右耳回复的CMD3指令。*/
					{		
#ifdef VOX_TX					
						HandleTxCommand(VHOUSE_CMD_EXCH_TWS_BTADDR,VOL_CHAN);			/*获取到右耳回复的CMD3指令，转发给左耳。*/ 
#endif
						Vox_Get_BES_Addr_Flag[VOR_TYPE] = 0x02; 			
					}
					else
					if( Vox_Get_BES_Addr_Flag[VOR_TYPE] == 0x02 )	
					{
						if( Vox_Get_BES_Addr_Flag[VOL_TYPE] != 0x00 )
						{
#ifdef VOX_TX					
							HandleTxCommand(VHOUSE_CMD_EXCH_TWS_BTADDR,VOR_CHAN);			/*获取到右耳回复的CMD3指令，转发给左耳。*/ 
#endif
							Vox_Get_BES_Addr_Flag[VOL_TYPE] = 0x00; 
							Vox_Get_BES_Addr_Flag[VOR_TYPE] = 0x00;

							Key_TWS_Pair_Tim = 0;
							Event_key = KEY_EVENT_Empty;
							
							VOX_EN_Type(VOX_VOUT_Mode);
							
							return;
						}
						else
						{
#ifdef VOX_TX			
							HandleTxCommand(VHOUSE_CMD_PAIR,VOL_CHAN);	
#endif
						}
					}
				}
			}
			
			if(Key_TWS_Pair_Tim > KEY_TWS_PAIR_TIMER)			//3s重发一次。重发5次后超时
			{
				Key_TWS_Pair_Cnt++;
				Key_TWS_Pair_Tim = 0;					
			}
			else
			{
				Key_TWS_Pair_Tim++;
			}
		}
		else
		if( Event_key == KEY_EVENT_LL_8S )
		{
			if( Key_TWS_Pair_Tim < KEY_TWS_PAIR_CLEAR_CNT )				//每隔200ms发送一次，持续时间3s。
			{
				if( Key_TWS_Pair_Tim % 2*Vox_TX_Interval )
				{
#ifdef VOX_TX					
					HandleTxCommand(VHOUSE_CMD_CLEAR_PAIR,VOR_CHAN); 
#endif
				}
				else
				if( Key_TWS_Pair_Tim % Vox_TX_Interval )
				{
#ifdef VOX_TX					
					HandleTxCommand(VHOUSE_CMD_CLEAR_PAIR,VOL_CHAN); 
#endif
				}	
				
				Key_TWS_Pair_Tim++;
			}
			else
			{
				Event_key = KEY_EVENT_Empty;
				Key_TWS_Pair_Tim = 0;
			}		
		}
	}		
#endif
 }
 
 #endif