51F单片机实现红外遥控器HT6221发射的红外编码解码程序

void key4_process(void)
{
delay(10000);
LED = 1;
}
//-------------------------------------------------------------------------------
{
uint t;
t = (uint)a;
t <= 8;
t = t | (uint)b;
return t;
}
//---------------------------------------------------------------------------
//-------------------------------------------------------------------------
//IR RX DECODE ROUTINE
//AUTHER : Xu Sen
//CREATE DATE : May 28. 2007
void key1_process(void)
{
LED = 0;
delay(10000);
}
//----------------------------------------------------------------------------
//DEFINE THE BIT "0 " AND BIT "1" FOR DECODE
#define ST_UP 0xBB8
#define ST_DW 0x792
#define RST_UP 0x792
#define RST_DW 0x540
//-----------------------------------------------------------------------------------
void int0_ini(void)
{
IT01CF = 0x09;
IE = 0x81;
CKCON = 0x02;
}
//---------------------------------------------------------------------------------
//INTERRUPT INITIAL
//INT0 IS CFG AT P0.1, HIGH LEVEL ENABLE, EDGE TRIGERRED
#include "c8051F310.h"
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
//----------------------------------------------------------------------------
void key3_process(void)
{
LED = 0;
delay(10000);
}
//-------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
void port_ini(void)
{
XBR1 = 0x40;
P0MDOUT = 0x04;
flag = 1;
}
//------------------------------------------------------------------------------------
//PORT IO INITIAL
//CFG THE LED AND IR DATA IO AS PUSH-PULL MODE
0x100,0x200,0x400,0x800,0x1000,0x2000,
0x4000,0x8000 };
//--------------------------------------------------------------------------
void key2_process(void)
{
delay(10000);
LED = 1;
}
//-----------------------------------------------------------------------------
#define K4 0x3
sbit LED = P3^4;
//--------------------------------------------------------------------------
//GOBAL VARIABLES
//DEFINE THE USER COMPOSITE CODE AND KEY VALUE
#define USER_CODE 0xEB31
#define K1 0x0
#define K2 0x1
#define K3 0x2
#define BIT1_UP 0x540
#define BIT1_DW 0x300
#define BIT0_UP 0x300
#define BIT0_DW 0x8C
//---------------------------------------------------------------------------
//uchar data_temp;
//uchar indata_temp;
uchar INDATA; //inversion of key value
//uint timer0_temp;
uint code constant[16] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
//--------------------------------------------------------------------------
bit flag = 0;
bit note = 0;
bit STB; //start bit
//delay function
//---------------------------------------------------------------------------
void delay(uint j)
{
uint t;
//Modified : May 30பைடு நூலகம் 2007
//Version : V1.0
//THE RECEIVE CODE IS THE INVERSION OF THE TRANSMITTE CODE
//-------------------------------------------------------------------------
}
//------------------------------------------------------------------------------------
//DISABLE WDT
//-----------------------------------------------------------------------------------
//-------------------------------------------------------------------------------
void timer0_ini(void)
{
TCON = 0x11;
TMOD = 0x41;
P3MDOUT = 0x10;
P0SKIP = 0x02; ;
}
//--------------------------------------------------------------------------------
//TIMER0 INITIALISE FOR PULSE WIDTH MEASURE
//16BIT MODE, EXTERNAL INT0 ENABLE FOR CONTROL THE TIMER0
uint ADR; //adress code
//uint adr_temp;
uchar i = 0; //indicate the bit position
uchar DATA; //key value
//CONFIG THE OSC TO 24.5MHZ
//-------------------------------------------------------------------------------
void osc_ini(void)
{
OSCICN = 0x83;
for(t=0;t<j;t++);
}
//------------------------------------------------------------------------------
uint temp(uchar a, uchar b)