红外接收显示二进制

2019-11-06 08:02:26

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#include<reg52.h>#include"./uart/uart.h"sbit IR_IN = P3^2;sbit LED0 = P2^0;sbit LED1 = P2^1;sbit LED2 = P2^2;sbit LED3 = P2^3;sbit LED4 = P2^4;sbit LED5 = P2^5;sbit LED6 = P2^6;sbit LED7 = P2^7;unsigned int irtime;bit irok = 0;bit startflag = 0;unsigned char ircode[4];bit irhandleok = 0;unsigned char putbuf[35];unsigned char irdata[33];unsigned char bitnum = 0;void int0_init(){ IT0 = 1; //设置外部中断的触发方式 EA = 1; EX0 = 1;}void timer0_init(){ EA = 1; TMOD |= 0x02; TH0 = 0; ET0 = 1; TR0 = 1;}void timer0_isr() interrupt 1{ irtime++;//0.256ms 引导码 13.5/0.256 = 52 1.12/0.256 = 4 0.56+1.685/0.256 = 8}void int0_isr() interrupt 0{ if(startflag) { if(irtime>=40&&irtime<=60) { bitnum = 0; } irdata[bitnum] = irtime; bitnum++; irtime = 0; if(bitnum == 33) { irok = 1; bitnum = 0; startflag = 0; } } else { irtime = 0; startflag = 1; }}void data_handle(){ unsigned char i,j,k = 1; unsigned char temp = 0; if(irok) { for(i = 0; i < 4; i++) { for(j = 0; j < 8; j++) { temp >>= 1; if(irdata[k] > 6) { temp += 0x80; } k++; } ircode[i] = temp; } irok = 0; } if((ircode[0] + ircode[1] == 0xff) && (ircode[2] + ircode[3] == 0xff)) { irhandleok = 1; }}void main(){ timer0_init(); int0_init(); uart_init(); while(1) { if(irok) { data_handle(); if(irhandleok) { switch(ircode[2]) { case 0x45:LED0 = ~LED0;break; case 0x46:LED1 = ~LED1;break; case 0x47:LED2 = ~LED2;break; case 0x44:LED3 = ~LED3;break; case 0x40:LED4 = ~LED4;break; case 0x43:LED5 = ~LED5;break; case 0x7:LED6 = ~LED6;break; case 0x15:LED7 = ~LED7;break; default:break; } } putbuf[0] = (ircode[0] / 16) > 9 ? (ircode[0] / 16 ) + 0x37 : (ircode[0] /16) + 0x30; putbuf[1] = (ircode[0] % 16) > 9 ? (ircode[0] % 16 )+ 0x37 : (ircode[0] %16 )+ 0x30; putbuf[2] = (ircode[1] / 16) > 9 ? (ircode[1] / 16 )+ 0x37 : (ircode[1] /16) + 0x30; putbuf[3] = (ircode[1] % 16) > 9 ? (ircode[1] % 16 )+ 0x37 : (ircode[1] %16 )+ 0x30; putbuf[4] = (ircode[2] / 16) > 9 ? (ircode[2] / 16 )+ 0x37 : (ircode[2] /16 )+ 0x30; putbuf[5] = (ircode[2] % 16) > 9 ? (ircode[2] % 16 )+ 0x37 : (ircode[2] %16 )+ 0x30; putbuf[6] = (ircode[3] / 16) > 9 ? (ircode[3] / 16 )+ 0x37 : (ircode[3] /16) + 0x30; putbuf[7] = (ircode[3] % 16) > 9 ? (ircode[3] % 16 )+ 0x37 : (ircode[3] %16) + 0x30; putbuf[8] = '/r'; putbuf[9] = '/n'; uart_send_string(putbuf); irhandleok = 0; } irok = 0; } }/*void main(){ timer0_init(); int0_init(); uart_init(); while(1) { if(irok == 1) { IrcordPRo(); irok = 0; } if(irpro_ok == 1) { uart_send_string(buf); uart_send_byte('/n'); irpro_ok = 0; } }} */

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