cardtimer.cpp.bak

基于单片机ATmega16制作IC card 。程序中包含数据的采集和通信。

//cardTimer.cpp : source file for the card Timers
//

#include "card.h"
#include "cardTimer.h"

/////////////////////////////////////////////////////////////////////////////
//cardTimer
/////遥控相关寄存器定义
volatile	unsigned char	IrDataHigh=0;
volatile	unsigned char	IrDataLow=0;
volatile	unsigned int	NoIrReviceTime=0;
////////蓝牙发送相关寄存器

volatile unsigned char BtTxData[BT_TX_BUFF_LENG];
volatile unsigned char	BtTxDataCount=0;
volatile unsigned char	BtTxDataStart=0;

unsigned char	BtStartBit=0;
unsigned char	BtTxOver=0;		
unsigned char	DataBitCount=0;

//////蓝牙接收
volatile unsigned char BtRxData[BT_RX_BUFF_LENG];
volatile unsigned char BtRxOk=0;
volatile unsigned char BtRxDataBuff[20];
volatile unsigned char BtRxCount=0;
volatile unsigned char BtDataBuff=0;
unsigned char RxDataBitCount=0;
unsigned char RxDataReviceOk=0;

unsigned char	RxPackcount=0;

volatile unsigned char BtRxDataPackOver=1;	


unsigned int	T10msCount=0;
unsigned char	T100usCount=0;
volatile unsigned char B_10ms=0;

//////
void timers_init(void)
{
#if defined(ATMEG8)	
	//{{WIZARD_MAP(Timers)
	// Timer/Counter0 Clock source: System Clock
	// Timer/Counter0 Clock value: 4000.000kHz
	// Timer/Counter0 Mode: Normal
	// Timer/Counter0 Output: A: Disconnected, B: Disconnected
	OCR0A = 0x04;
	OCR0B = 0x04;
	TCNT0 = 0xfc;
	TCCR0A = 0x00;
	TCCR0B = 0x00;

	// Timer/Counter1 Clock source: System Clock
	// Timer/Counter1 Clock value: 500.000kHz
	// Timer/Counter1 Mode: Normal
	// Timer/Counter1 Output: A: Disconnected, B: Disconnected
	OCR1A = 0x1388;
	OCR1B = 0x1388;
	TCNT1 = 0xec78;
	TCCR1A = 0x00;
	TCCR1B = 0x02;  
	TCCR1C = 0x01;

	// Timer/Counter2 Clock source: System Clock
	// Timer/Counter2 Clock value: Stopped
	// Timer/Counter2 Mode: Normal
	// Timer/Counter2 Output: A: Disconnected, B: Disconnected
	ASSR = 0x00;
	OCR2A = 0x34;
	OCR2B = 0x34;
	TCNT2 = 0xcc;
	TCCR2A = 0x00;
	TCCR2B = 0x00;//Timer2 stop
	
	TIMSK0 = 0x02;
	TIMSK1 = 0x01;
	TIMSK2 = 0x00;
	//}}WIZARD_MAP(Timers)
#endif
#if defined(ATMEG16)   
//{{WIZARD_MAP(Timers)
	// Timer/Counter0 Clock source: System Clock/8
	// Timer/Counter0 Clock value: 
	// Timer/Counter0 Mode: CTC  100US
	// Timer/Counter0 Output: A: Disconnected, B: Disconnected
	OCR0=50;     
	TCNT0 =1;
	TCCR0=0;//0x0A; 
	
	// Timer/Counter1 Clock source: System Clock/8
	// Timer/Counter1 Clock value: 500.000kHz
	// Timer/Counter1 Mode: Normal	10MS
	// Timer/Counter1 Output: A: Disconnected, B: Disconnected
	OCR1A = 0x1388;
	OCR1B = 0x1388; 
	TCNT1 = 0xec78;
	TCCR1A = 0x00;
	TCCR1B =0x01;				//0x02;           
	
	// Timer/Counter2 Clock source: System Clock
	// Timer/Counter2 Clock value: 4000.000kHz
	// Timer/Counter2 Mode: Normal	31US
	// Timer/Counter2 Output: A: Disconnected, B: Disconnected
	ASSR = 0x00;
	OCR2 = 130;
	TCNT2 = 138;
	TCCR2 =0x01; 
	
	 
	//TIMSK0 = 0x00;
	//TIMSK1 = 0x01;
	//TIMSK2 = 0x00;
	TIMSK=0x44;//0x46;	//	Timer/Counter1, Overflow Interrupt Enable
			 				//	Timer/Counter2 OutputOverflow Interrupt Enable
						//Timer/Counter0 Output Compare Match Interrupt Enable
		
	//}}WIZARD_MAP(Timers)	
#endif
}
////////
void	IsrTxBluetooth(void)
{
	IrDataHigh++;	
	IrDataLow++;
	NoIrReviceTime++;
	if(BtTxDataStart)				//MCU发送蓝牙命令
	{
		
		if(!BtTxOver)
		{
			if(BtStartBit)
				{
						DataBitCount++;
						if(DataBitCount<9)
						{
						
						BtTxData[BtTxDataCount]=BtTxData[BtTxDataCount]>>1;
						if(BtTxData[BtTxDataCount]&0x80)				//发送8位数据
							PORTD|=BT_TX;
						else
							PORTD&=~BT_TX;
						}
						else		
						{			
									DataBitCount=0;															
									BtStartBit=0;
									PORTD|=BT_TX;										//发送停止位
									BtTxOver=1;
						}
						

				}
				else																	//发送起始位
				{
				PORTD&=~BT_TX;
				BtStartBit=1;				
				}
		
		}
			
		else
			{
					BtTxOver=0;
									
			}

	}	
		
}
///////////////
void	T_10ms_delay(void)
{
							//sei();
 					RxTimeOut++;
 					FastChangeTime++;
 					wStatusDelay++;
 					wStatusDelay1++;
 					wLedOffDelay++;
 					IpodPowerUpDelay++;
 					LCDFlashTime++;
 					B_10ms=1;
/* 					
 					if(LedWorkMode == LED_ON_DELAY)
 					{
 					 if(wLedOffDelay > wLedTurnOnTime)
 					 {
 					  PORTC |= LED;
 					  LedWorkMode = LED_OFF;
 					 }
 					}
 					
*/ 					
 					PINBBuff = 0;
 					PINDBuff |= (PIND & AUDIO_DETECT);							//音频检测开关
 					PINBBuff |= (PINB & BT_SWITCH_DETECT);					//来电检测开关
 					PINBBuff |= (PINB & IPOD_POWER_UP_DETECT);			//IPOD电源检测开关
 					
 					
 					
 					ADMUX = 0x67;
 					ADCSRA |= 1 << ADSC;
 					ADCSRA |= 1 << ADIF;	

}
///////////////
void	IsrRxBluetooth(void)						
{
			BtRxCount++;
	if(!BtRxDataPackOver)
	{		if(BtRxFirstData)				//是否为第一位数据
			{
				if(BtRxCount==5)		//为启始位数据时计数5次
					{
							BtRxFirstData=0;
							BtRxCount=0;			
							if(PIND&BT_RX)
							BtDataBuff|=0x80;												
					}
										
			}	
			else
			{
					if(BtRxCount==3)		//数据位记数三次
					{
							BtRxCount=0;
							RxDataBitCount++;			//数据位数增加	
							BtDataBuff=BtDataBuff>>1;
							if(PIND&BT_RX)
							BtDataBuff|=0x80;					
							
							if(RxDataBitCount==7)	//7位数据是否全部收到
								{RxDataBitCount=0;
									RxDataReviceOk=1;
									BtRxFirstData=0;								
								}
					
					
					}	
					
			}	
//////		
				if(RxDataReviceOk)
				{
					RxDataReviceOk=0;	
					BtRxData[RxPackcount++]=BtDataBuff;
					if(BtRxData[1]==RxPackcount-1)			//数据包是否接收完成
					{
						RxPackcount=0;
						BtRxDataPackOver=1;			
					}	
				}
	}
	
	
}


/////////////
//ISR(SIG_OUTPUT_COMPARE0)		//TIMER0	COPARE0中断遥控器接收计时
ISR(SIG_OUTPUT_COMPARE0)
{
	
	
	IsrTxBluetooth();	
	if(T10msCount>=10)
		{T10msCount=0;
		T_10ms_delay();
		}	

}	

/////////////
ISR(SIG_OVERFLOW1)				//TIMER1中断数据时间延时
{
	// Reinitialize Timer1's value
	//TCNT1 = 0xec78;//10ms
	// TODO: Add your code here
 	sei();
	TCNT1=64830;	//65275;	//65180;//100us
 	IsrTxBluetooth();	
 
 	T10msCount++;
	if(T10msCount>=100) 
		{
			T10msCount=0;
			T_10ms_delay();
		}


}
////////////////
ISR(SIG_OVERFLOW2)				//MCU接收CUP_BLUETOOTH  数据传输 30us
{
 	
	//asm("wdr");
	TCNT2 =40;//100;//170;//180;	 
	//T100usCount++;
	//T10msCount++;
	IsrRxBluetooth();
/*	
	if(T100usCount>=3)
		{
			T100usCount=0;
			IsrTxBluetooth();				
		}

	if(T10msCount>=290) 
		{
			T10msCount=0;
			T_10ms_delay();
		}
	
*/			
/*
 if(BTTxBitCount == 8)
 {
  PORTD |= BT_RX;
  BTTxBitCount++;
 }
 else if(BTTxBitCount == 9)
 {
  BTTxBitCount = 0;
  if(BTTxByteCount == 4)
  {
   TCCR2 = 0x00;  //Timer 2 stop;
   PORTD |= BT_RX;
  }
  else
  {
   BTTxByteCount++;
   PORTD &= ~BT_RX;  
  } 
 }
 else
 {
  if(BTTxBuff[BTTxByteCount] & 0x01)
  {
   PORTD |= BT_RX;   
  }
  else
  {
   PORTD &= ~BT_RX;  
  }
  BTTxBuff[BTTxByteCount] >>= 1;  
  BTTxBitCount++;
 }
*/ 

}