红外线遥控器软件解码原理和程序（c语言）--单片机开发基地.htm

电子设计红外遥控很好用,是用红外控制小车的程序

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                  color=#000000>红外线遥控器软件解码原理和程序（C语言）</FONT></B></DIV>
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                    <P align=right>【字体：<A class=menufont 
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                    href="javascript:ContentSize(14)">中</A> <A class=menufont 
                    href="javascript:ContentSize(12)">小</A>】&nbsp;</P>
                    <P>来源：网上转载&nbsp;&nbsp;&nbsp; 作者：jiang_xi_sheng</P>
                    <P>红外线一开始发送一段13.5ms的引导码，引导码由9ms的高电平和4.5ms的低电平组成，跟着引导码是系统码，系统反码，按键码，按键反码，如果按着键不放，则遥控器则发送一段重复码，重复码由9ms的高电平，2.25ms的低电平，跟着是一个短脉冲，本程序是免费给大家，版权所有，不得用于商业目的，如需用到本程序到商业上请与本人联系<BR><A 
                    href="mailto:[e-mail]">[e-mail]</A>，经本人同意后方可用于商业目的，本程序经过试用，能解大部分遥控器的编码！<BR><BR>#include&nbsp;&nbsp;&nbsp;&nbsp;"at89x52.h"<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NULL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x00//数据无效<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RESET&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0X01//程序复位<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;REQUEST&nbsp;&nbsp;&nbsp;&nbsp;0X02//请求信号<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ACK&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x03//应答信号，在接收数据后发送ACK信号表示数据接收正确，<BR>也位请求信号的应答信号<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NACK&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x04//应答信号，表示接收数据错误<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BUSY&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x05//忙信号，表示正在忙<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;FREE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x06//空闲信号，表示处于空闲状态<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;READ_IR&nbsp;&nbsp;&nbsp;&nbsp;0x0b//读取红外<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STORE_IR&nbsp;&nbsp;&nbsp;0x0c//保存数据<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;READ_KEY&nbsp;&nbsp;&nbsp;0x0d//读取键值<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RECEIVE&nbsp;&nbsp;&nbsp;&nbsp;0Xf400//接收缓冲开始地址<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SEND&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0xfa00//发送缓冲开始地址<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x50//红外接收缓冲开始地址<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;HEAD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0xaa//数据帧头<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TAIL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0x55//数据帧尾<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SDA&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;P1_7<BR>#define&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SCL&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;P1_6<BR><BR><BR>unsigned 
                    char xdata *buf1;&nbsp;&nbsp;//接受数据缓冲<BR>unsigned 
                    int&nbsp;&nbsp;buf1_length;&nbsp;&nbsp;//接收到的数据实际长度<BR>unsigned 
                    char xdata *buf2;&nbsp;&nbsp;//发送数据缓冲<BR>unsigned 
                    int&nbsp;&nbsp;buf2_length;&nbsp;&nbsp;//要发送的数据实际长度<BR>bit 
                    buf1_flag;&nbsp;&nbsp;&nbsp;&nbsp;//接收标志，1表示接受到一个数据帧，0表示没有接受到数据帧或数据<BR>帧为空<BR>bit 
                    buf2_flag;&nbsp;&nbsp;&nbsp;&nbsp;//发送标志，1表示需要发送或没发送完毕，0表示没有要发送的数据或<BR>发送完毕<BR>unsigned 
                    char 
                    state1,state2;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//用来标志接收字符的状态，state1用来表示接<BR>收状态，state2用来表示发送状态<BR>unsigned 
                    char data *ir;<BR>union{<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned 
                    char a[2];<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned int 
                    b;<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned char data 
                    *p1[2];<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned int data 
                    *p2[2];<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned char xdata 
                    *p3;&nbsp;&nbsp;&nbsp;&nbsp;//红外缓冲的指针<BR>&nbsp;&nbsp;&nbsp;&nbsp;unsigned 
                    int xdata 
                    *p4;<BR>}p;<BR>//union{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned 
                    char 
                    a[2];&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned 
                    int b;<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned char data 
                    *p1[2];<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned int data 
                    *p2[2];<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned char xdata 
                    *p3;<BR>&nbsp;&nbsp;//&nbsp;&nbsp;unsigned int xdata 
                    *p4;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//地址指针<BR>//}q;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//<BR><BR>union{<BR>&nbsp;&nbsp;&nbsp;unsigned 
                    char a[2];<BR>&nbsp;&nbsp;&nbsp;unsigned int 
                    b;<BR>}count;<BR>union{<BR>&nbsp;&nbsp;&nbsp;unsigned char 
                    a[2];<BR>&nbsp;&nbsp;&nbsp;unsigned int 
                    b;<BR>}temp;<BR>union{<BR>&nbsp;&nbsp;&nbsp;unsigned char 
                    a[4];<BR>&nbsp;&nbsp;&nbsp;unsigned int 
                    b[2];<BR>&nbsp;&nbsp;&nbsp;unsigned long 
                    c;<BR>}ir_code;<BR><BR>union{<BR>&nbsp;&nbsp;&nbsp;unsigned 
                    char a[4];<BR>&nbsp;&nbsp;&nbsp;unsigned int 
                    b[2];<BR>&nbsp;&nbsp;&nbsp;unsigned long