main1.c

接收红外程序

#include <string.h>
#include <math.h>
#include "option.h"
#include "def.h"
#include "44b.h"
#include "44blib.h"
#define READ_COUNT2	(rTCNTO2 & 0xffff)

//extern int  Uart_GetIntNum(void);
void SetBeepPwm(void);
void StopBeepPwm(void);
void __irq TIMER2_int(void);


void Isr_Init(void);
void HaltUndef(void);
void HaltSwi(void);
void HaltPabort(void);      
void HaltDabort(void);

int pwmcnt=0;

void Main(void)
{
    //U8 aa;	
    //char ch[100];
    //int i=0;
    rSYSCFG=SYSCFG_8KB;
#if (PLLON==1)
    ChangePllValue(PLL_M,PLL_P,PLL_S);
#endif

    Isr_Init();
    Port_Init();
    Uart_Init(0,115200);
    //Uart_Select(1);
    Delay(0);  //calibrate Delay()
    Led_Display(7);
    Delay(1000);  //calibrate Delay()
    Led_Display(0);
    Delay(5000);  //calibrate Delay()
    Led_Display(7);
  /*Uart_Printf("\n start \n");
    Uart_Printf("\nHello,FS44B0X!");
    Uart_Printf("\nPlease Press 'a'or'b'or'c'");*/ 
   
   
   
	
		
	
while(1)
       {
       SetBeepPwm();
       Uart_SendByte(97);
	   Led_Display(0x2);
	   Delay(5000); 
	   Uart_SendByte(98);
	   Led_Display(0x0);
	   Delay(5000);
	   Uart_SendByte(99);
	   Led_Display(0x4);
	   Delay(5000);}
}
	         
	/*   witch(aa)
	     {
	    	if(aa='a')
	            case 'a':
	            Uart_Printf("\nYou Pressed 'a'");
	            Led_Display(0x4);
	            break;
	    	case 'b':
	    	    Uart_Printf("\nYou Pressed 'b'");
	    	    Led_Display(0x2);
	    	    break;
	    	case 'c':
	            Uart_Printf("\nYou Pressed 'c'");
	    	    Led_Display(0x4);
	    	    break;
	    	case 0x1b:
	    	    Led_Display(0x0);
	    	    break;
	    	default :
	    	    break;
	        }*/ 
	    
	   
void SetBeepPwm(void)
{
	rTCON  	&= 0xffff0fff;			// clear manual update bit, stop Timer2
	rTCFG0 	&= 0xffff00ff;;			// set Timer 2&3 prescaler 0
	rTCFG1 	&= 0xfffff0ff;			// set Timer 2 MUX 1/16
	rTCFG1  |= 0x00000300;	
	rTCNTB2	&= 0x0000006c;			//十进制：108
	rTCMPB2 &= 0x00000036;	        //十进制：54
	rTCON	|= 0x00002000;			// manual update
	rTCON	&= 0xffff0fff;			// clear manal update bit
	rTCON   |= 0x0000d000;			// auto reload, inverter on, start Timer 2
}


void StopBeepPwm(void)
{
	rTCON &= ~0x1000;
}

void __irq TIMER2_int(void)
{
	rI_ISPC=BIT_TIMER2;
	pwmcnt++;
	return;
}

void Isr_Init(void)
{
    U32 i;
    
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;
    
     for(i=_RAM_STARTADDRESS;i<(_RAM_STARTADDRESS+0x20);i+=4)
    {
	*((volatile unsigned *)i)=0xEA000000+0x1FFE;
    }

    //rINTCON=0x1;	  // Vectored Int. IRQ enable,FIQ disable    
    rINTCON=0x5;	  // Non-vectored,IRQ enable,FIQ disable    

    rINTMOD=0x0;	  // All=IRQ mode
    //rINTMSK|=BIT_GLOBAL|BIT_EINT3;	  // All interrupt is masked. rINTCON = 5; 
	//rINTMOD = 0;
	rINTMSK=~(BIT_GLOBAL|BIT_TIMER2);
	pISR_TIMER2= (unsigned  int)TIMER2_int;   //(unsigned)
	rPDATE = 0x157;				//Beep = 10
	rPCONE = 0x596b;      // tout2				
	rPUPE  = 0xff;

    
}


void HaltUndef(void)
{
    Uart_Printf("Undefined instruction exception!!!\n");
    while(1);
}

void HaltSwi(void)
{
    Uart_Printf("SWI exception!!!\n");
    while(1);
}

void HaltPabort(void)
{
    Uart_Printf("Pabort exception!!!\n");
    while(1);
}

void HaltDabort(void)
{
    Uart_Printf("Dabort exception!!!\n");
    while(1);
}