Car/my_lib/data_channel.c

//#include "uart_my.h"
//#include "exit.h"
//#include "led.h"
#include "usart.h"
#define __DATA_CHANNEL_C__
#include "data_channel.h"


u8 Zigbee_Rx_Max =8;
u8 Wifi_Rx_num =0;
u8 Wifi_Rx_flag=0;

u8 Zigbee_Rx_num =0;
u8 Zigbee_Rx_flag=0;
u8 Zigbee_RxZt_flag =0;

u8 	rxd1_timer4_1ms,rxd1_timer4_flag;


/***************************************************************
** <EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>     <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>4<EFBFBD>жϷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
** <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	  <EFBFBD>޲<EFBFBD><EFBFBD><EFBFBD>
** <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>
****************************************************************/
void TIM4_IRQHandler(void)
{ 	    		  			    
/*	if(TIM4->SR&0X0001)         // <20><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
	{	 
		 rxd1_timer4_1ms++;
		 if(rxd1_timer4_1ms>5)	   // 5msʱ<73><CAB1><EFBFBD>ѵ<EFBFBD><D1B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		 {
		 	  rxd1_timer4_flag=1;
			  TIM4->CR1&=~(0x01);       // <20><>ʹ<EFBFBD>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>4
		     Wifi_Rx_flag =1;
		 }
    }	 					   
	TIM4->SR&=~(1<<0);          // <20><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ 	    */
	
	if(TIM_GetITStatus(TIM4,TIM_FLAG_Update) == SET)
	{
		rxd1_timer4_1ms++;
		 if(rxd1_timer4_1ms>5)	   // 5msʱ<73><CAB1><EFBFBD>ѵ<EFBFBD><D1B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		 {
		 	  rxd1_timer4_flag=1;
			 TIM_Cmd(TIM4,ENABLE);
		     Wifi_Rx_flag =1;
		 }
		TIM_ClearITPendingBit(TIM4,TIM_FLAG_Update);
	}
}

/***************************************************************
** <EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD>     <EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>4<EFBFBD>жϳ<EFBFBD>ʼ<EFBFBD><EFBFBD>
** <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	  arr<EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD>װֵ
**			  psc<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>Ԥ<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>
** <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>    <EFBFBD><EFBFBD>
****************************************************************/
void Timer4_Init(u16 arr,u16 psc)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	NVIC_InitTypeDef NVIC_InitStructure;

	
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); //ʱ<><CAB1>ʹ<EFBFBD><CAB9>
	
	//<2F><>ʱ<EFBFBD><CAB1>TIM4<4D><34>ʼ<EFBFBD><CABC>
	TIM_TimeBaseStructure.TIM_Period = arr; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>װ<EFBFBD><D7B0><EFBFBD><EFBFBD><EEB6AF><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD>ؼĴ<D8BC><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ֵ	
	TIM_TimeBaseStructure.TIM_Prescaler =psc; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪTIMxʱ<78><CAB1>Ƶ<EFBFBD>ʳ<EFBFBD><CAB3><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><D4A4>Ƶֵ
	TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD>ӷָ<D3B7>:TDTS = Tck_tim
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM<49><4D><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
	TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>TIMx<4D><78>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
 
	TIM_ITConfig(TIM4,TIM_IT_Update,ENABLE ); //ʹ<><CAB9>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>TIM4<4D>ж<EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>

	//<2F>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD>NVIC<49><43><EFBFBD><EFBFBD>
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
	NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;  //TIM4<4D>ж<EFBFBD>
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;  //<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>0<EFBFBD><30>
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;  //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3<EFBFBD><33>
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQͨ<51><CDA8><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
	NVIC_Init(&NVIC_InitStructure);  //<2F><>ʼ<EFBFBD><CABC>NVIC<49>Ĵ<EFBFBD><C4B4><EFBFBD>

	TIM_Cmd(TIM4, ENABLE);  //ʹ<><CAB9>TIMx		
}

void Wifi_data_Receive( u8 res)  // wifi <20><><EFBFBD>ݽ<EFBFBD><DDBD>մ<EFBFBD><D5B4><EFBFBD> 
{
	
	rxd1_timer4_1ms=0;
	
	if(rxd1_timer4_flag==1) //  5msʱ<73><CAB1> <20><><EFBFBD><EFBFBD>֡<EFBFBD><D6A1><EFBFBD>¿<EFBFBD>ʼ
	{
		 rxd1_timer4_flag=0;
		 TIM4->CR1|=0x01;     //ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>4
		 Wifi_Rx_num =0;
		 Wifi_Rx_Buf[Wifi_Rx_num]=res;
	}
	else if(Wifi_Rx_num < WIFI_MAX_NUM )	
	{
		  Wifi_Rx_Buf[++Wifi_Rx_num]=res;	 // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡
	}

	else   // <20><><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ȥ<EFBFBD><C8A5>Ҫ
	{
			;
	}

}

void Zigbee_data_Receive( u8 res)  // zigbee <20><><EFBFBD>ݽ<EFBFBD><DDBD>մ<EFBFBD><D5B4><EFBFBD>
{
    u8 sum;

	if(Zigbee_Rx_num >0)
	{
	   Zigb_Rx_Buf[Zigbee_Rx_num]=res;
	   Zigbee_Rx_num++;
	}
	else if (res==0x55)		// Ѱ<>Ұ<EFBFBD>ͷ
	{
		
	   Zigb_Rx_Buf[0]=res;
	   Zigbee_Rx_num=1;
	}
	else Zigbee_Rx_num =0;
	
   if(Zigbee_Rx_num >= Zigbee_Rx_Max)
	{

		if((Zigb_Rx_Buf[Zigbee_Rx_Max -1]==0xbb)&&(Zigbee_RxZt_flag ==0)&&(Zigb_Rx_Buf[1]!=0xfd))	 // <20>жϰ<D0B6>β	//change by ygm
		{									  
		    //<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3>
			//ע<>⣺<EFBFBD><E2A3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱӦ<CAB1>öԺ<C3B6><D4BA><EFBFBD>256ȡ<36>ࡣ
			Zigbee_Rx_num=0;	  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			Zigbee_RxZt_flag =0;  // <20><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
			 sum=(Zigb_Rx_Buf[2]+Zigb_Rx_Buf[3]+Zigb_Rx_Buf[4]+Zigb_Rx_Buf[5])%256;
			if(sum==Zigb_Rx_Buf[6])
			{
					Zigbee_Rx_flag =1;	//   ָ<><D6B8><EFBFBD><EFBFBD>֤<EFBFBD><D6A4>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>־λ<D6BE><CEBB>1
			}
			else {Zigbee_Rx_flag =0;}
		}
		else if((Zigb_Rx_Buf[1]==0xfd)&&(Zigbee_RxZt_flag ==0))
		 {
			if(Zigb_Rx_Buf[2]>8)	
			{ 
			   Zigbee_Rx_Max = Zigb_Rx_Buf[2];
			   Zigbee_RxZt_flag =1;  // <20><><EFBFBD><EFBFBD>״̬1  <20><><EFBFBD>Ž<EFBFBD><C5BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			 }
			 else 			 
			{		 
			   Zigbee_Rx_num=0;		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
				if(Zigb_Rx_Buf[Zigbee_Rx_Max-1]==0xbb)
				 {
				   Zigbee_RxZt_flag =0;  // <20><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
				 //  send_Flag=1;			//change by ygm
			       Zigbee_Rx_Max =8;

				 }
			}	  

			
		  }
		else if((Zigbee_RxZt_flag ==1)&&(Zigb_Rx_Buf[Zigbee_Rx_Max -1]==0xbb))
		{
			Zigbee_Rx_num=0;	  // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			Zigbee_RxZt_flag =0;  // <20><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
		//	send_Flag=1;
			Zigbee_Rx_Max =8;
		    
		}
		
		
		else {Zigbee_Rx_flag =0; Zigbee_Rx_num =0;}		 //<2F><><EFBFBD>մ<EFBFBD><D5B4><EFBFBD>ָ<EFBFBD><EFBFBD>򿪷<EFBFBD><F2BFAAB7><EFBFBD><EFBFBD><EFBFBD>
	}

}