main.c

一个用MCU将SHARP 遥控码转为NEC码的小程序

//S52单片机红外线编解码遥控源程序 
/*******************************************
* 程序描述:红外遥控NEC/SHARP码解码程序,经串口发送
* 目标cpu:at89s52
* 晶振:12M
* 硬件描述:一体化接收头接P3.2.指示LED接P1.0,P1.1
* 编译器:KEIL 7.05
* 日期:2008/1/24
* 作者:汤文平（[e-mail]）
* 其它：实现波特率2400（系统时钟12.000MHZ）
*******************************************/
#include <reg51.h>
#include <stdio.h>
#include <main_define.h>

extern uint IR_RECEIVE_COMMAND;
extern bit IR_STATS;// static bit IR_STATS;

main()
{
uint IR_SEND_COMMAND;
init_mcu();

delay_xms(200);
printf("init_ok\n");
while(1)
{
delay_xms(200);
while(1)//IR_STATS// send ir
{
EA=1;
#if 0  //
switch(IR_RECEIVE_COMMAND)
	{
	 case 0xf4: 
	 case 0x0b: printf("back\n");IR_COMMAND=0;printf("send_ok\n");break;
	 case 0x80: 
	 case 0x7f: printf("1\n");IR_COMMAND=0;printf("send_ok\n");break;

	default : break ;
	}
#endif
#if 1  // send ir to  tv board
if(IR_STATS) //IR_STATS
{
EA=0;
switch(IR_RECEIVE_COMMAND)
	{
	case 0xf4: case 0x0b: IR_SEND_COMMAND=0x03;break;  //back
	case 0x68: case 0x97: IR_SEND_COMMAND=0x0a;break; //power
	case 0xc8: case 0x37: IR_SEND_COMMAND=0x1b;break; //video
	case 0x88: case 0x77: IR_SEND_COMMAND=0x1f;break; //ch+
	case 0x48: case 0xb7: IR_SEND_COMMAND=0x5c;break; //ch-
	case 0x50: case 0xaf: IR_SEND_COMMAND=0x1a;break; //digital_0
	case 0x80: case 0x7f: IR_SEND_COMMAND=0x0e;break; //digital_1
	case 0x40: case 0xbf: IR_SEND_COMMAND=0x06;break; //digital_2
	case 0xc0: case 0x3f: IR_SEND_COMMAND=0x0f;break; //digital_3
	case 0x20: case 0xdf: IR_SEND_COMMAND=0x12;break; //digital_4
	case 0xa0: case 0x5f: IR_SEND_COMMAND=0x07;break; //digital_5
	case 0x60: case 0x9f: IR_SEND_COMMAND=0x13;break; //digital_6
	case 0xe0: case 0x1f: IR_SEND_COMMAND=0x16;break; //digital_7
	case 0x10: case 0xef: IR_SEND_COMMAND=0x02;break; //digital_8
	case 0x90: case 0x6f: IR_SEND_COMMAND=0x17;break; //digital_9

default : 
	printf("ERRER_IR\n");break;
		
	}
IR_STATS=ir_send( IR_SEND_COMMAND);
//delay_xms(100);

EA=1;
}
#endif
//EA=1;

//IR_STATS=IR_SEND_END;
}
LED_GREEN=0;
LED_RED=0;
delay_xms(200);
}

}