encode.i

AVRMega单片机软件仿2262编码

// CodeVisionAVR C Compiler
// (C) 1998-2004 Pavel Haiduc, HP InfoTech S.R.L.

// I/O registers definitions for the ATmega8


#pragma used+
#pragma used+
sfrb TWBR=0;
sfrb TWSR=1;
sfrb TWAR=2;
sfrb TWDR=3;
sfrb ADCL=4;
sfrb ADCH=5;
sfrw ADCW=4;      // 16 bit access
sfrb ADCSRA=6;
sfrb ADMUX=7;
sfrb ACSR=8;
sfrb UBRRL=9;
sfrb UCSRB=0xa;
sfrb UCSRA=0xb;
sfrb UDR=0xc;
sfrb SPCR=0xd;
sfrb SPSR=0xe;
sfrb SPDR=0xf;
sfrb PIND=0x10;
sfrb DDRD=0x11;
sfrb PORTD=0x12;
sfrb PINC=0x13;
sfrb DDRC=0x14;
sfrb PORTC=0x15;
sfrb PINB=0x16;
sfrb DDRB=0x17;
sfrb PORTB=0x18;
sfrb EECR=0x1c;
sfrb EEDR=0x1d;
sfrb EEARL=0x1e;
sfrb EEARH=0x1f;
sfrw EEAR=0x1e;   // 16 bit access
sfrb UBRRH=0x20;
sfrb UCSRC=0X20;
sfrb WDTCR=0x21;
sfrb ASSR=0x22;
sfrb OCR2=0x23;
sfrb TCNT2=0x24;
sfrb TCCR2=0x25;
sfrb ICR1L=0x26;
sfrb ICR1H=0x27;
sfrw ICR1=0x26;   // 16 bit access
sfrb OCR1BL=0x28;
sfrb OCR1BH=0x29;
sfrw OCR1B=0x28;  // 16 bit access
sfrb OCR1AL=0x2a;
sfrb OCR1AH=0x2b;
sfrw OCR1A=0x2a;  // 16 bit access
sfrb TCNT1L=0x2c;
sfrb TCNT1H=0x2d;
sfrw TCNT1=0x2c;  // 16 bit access
sfrb TCCR1B=0x2e;
sfrb TCCR1A=0x2f;
sfrb SFIOR=0x30;
sfrb OSCCAL=0x31;
sfrb TCNT0=0x32;
sfrb TCCR0=0x33;
sfrb MCUCSR=0x34;
sfrb MCUCR=0x35;
sfrb TWCR=0x36;
sfrb SPMCR=0x37;
sfrb TIFR=0x38;
sfrb TIMSK=0x39;
sfrb GIFR=0x3a;
sfrb GICR=0x3b;
sfrb SPL=0x3d;
sfrb SPH=0x3e;
sfrb SREG=0x3f;
#pragma used-

// Interrupt vectors definitions


// Needed by the power management functions (sleep.h)
#asm
	#ifndef __SLEEP_DEFINED__
	#define __SLEEP_DEFINED__
	.EQU __se_bit=0x80
	.EQU __sm_mask=0x70
	.EQU __sm_powerdown=0x20
	.EQU __sm_powersave=0x30
	.EQU __sm_standby=0x60
	.EQU __sm_ext_standby=0x70
	.EQU __sm_adc_noise_red=0x10
	.SET power_ctrl_reg=mcucr
	#endif
#endasm


// CodeVisionAVR C Compiler
// (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L.


#pragma used+
#pragma used+

void delay_us(unsigned int n);
void delay_ms(unsigned int n);

#pragma used-

// Declare your global variables here
void main(void)
{
// Declare your local variables here
unsigned char count,counttime;
unsigned char codebuf[12];
// Port C initialization
// Func0=In Func1=In Func2=In Func3=In Func4=In Func5=In Func6=In Func7=In 
// State0=T State1=T State2=T State3=T State4=T State5=T State6=T State7=T 
PORTC=0x30;//00100000B,PORTC.5输出初始值为1
DDRC=0x30;//00100000B,PORTC.5输出，其他的输入
codebuf[0]=1;             //地址码  有需要的话在这里改动
codebuf[1]=1;
codebuf[2]=1;
codebuf[3]=1;
codebuf[4]=0;
codebuf[5]=0;
codebuf[6]=0;
codebuf[7]=0; 
codebuf[8]=1;                //信息码
codebuf[9]=1;
codebuf[10]=1;
codebuf[11]=1; 
    
       
while (1)
      {
       //Place your code here
      /*temp=PINC&(0B00001000);//D3
      codebuf[8]=temp>>3;//信息码
      temp=PINC&(0B00000100);//D2
      codebuf[9]=temp>>2;
      temp=PINC&(0B00000010);
      codebuf[10]=temp>>1;//D1
      codebuf[11]=PINC&(0B00000001);//D0*/
      /*codebuf[8]=PINC.3;
      codebuf[9]=PINC.2;
      codebuf[10]=PINC.1;
      codebuf[11]=PINC.0;*/
      for(counttime=0;counttime<4;counttime++) //发射脚为PA0
        {for(count=0;count<12;count++)  //发射
          {if(codebuf[count]==1)        //发射"1"
            {PORTC.5 = 1;
             #asm("cli")
             delay_us(490);     //发射频率22KHZ，发射头之前，即a=100US
             PORTC.5 = 0;
             delay_us(165);
             PORTC.5 = 1;
             delay_us(490);
             PORTC.5 = 0;
             delay_us(165);
             #asm("sei")
             } 
           if(codebuf[count]==0)      //发射"0"
             {PORTC.5 = 1;
             #asm("cli")
             delay_us(165);     //发射频率10KHZ，发射头之前，即a=100US
             PORTC.5 = 0;
             delay_us(490);
             PORTC.5 = 1;
             delay_us(165);
             PORTC.5 = 0;
             delay_us(490);
             #asm("sei")
             }
             if(codebuf[count]=='f')  //发射"f"
             {PORTC.5 = 1;    
             #asm("cli")
             delay_us(165);     //发射频率10KHZ，发射头之前，即a=100US
             PORTC.5 = 0;
             delay_us(490);
             PORTC.5 = 1;
             delay_us(490);
             PORTC.5 = 0;
             delay_us(165);
             #asm("sei")
             } 
          }
         PORTC.5 = 1;       //发射同步头
          #asm("cli")
          delay_us(165);
          PORTC.5 = 0;
          delay_us(5300);
          #asm("sei")     
        }   
      };
}