单片机红外遥控系统设计 毕业设计(5)

四川信息职业技术学院毕业设计说明书（论文）

U1619XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161718K1XTAL2AONC74102852.3K7963=4K89RSTK2B+/-MRCK3C%1M-293031PSENALEEAK4+M+56DK10K5K6K9K1K2K3K4K5K6K7K812345678P1.0/T2P1.1/T2EXP1.2P1.3P1.4P1.5P1.6P1.7AT89C52D1IRK9LEDK10附图2 红外发送电路部分 RP110K LCD1LM016L1C130pF23456789RSRWE456CRYSTAL123C230pF19U1XTAL1P0.0/AD0P0.1/AD1P0.2/AD2P0.3/AD3P0.4/AD4P0.5/AD5P0.6/AD6P0.7/AD7P2.0/A8P2.1/A9P2.2/A10P2.3/A11P2.4/A12P2.5/A13P2.6/A14P2.7/A15P3.0/RXDP3.1/TXDP3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P3.6/WRP3.7/RD39383736353433322122232425262728101112131415161718XTAL29RSTC31nF293031PSENALEEAR110k12345678GNDD2IRLEDP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7AT89C517891011121314D0D1D2D3D4D5D6D7X1VSSVDDVEE附图3 红外接收电路部分 第 21 页 共 33 页

四川信息职业技术学院毕业设计说明书（论文）

附录3 程序清单

/**************************************************************/ // send.c

// 遥控发射器

/**************************************************************/ #include \#include \#include \#include \

#define JINGZHEN 48

#define TIME0TH ((65536-100*JINGZHEN/12)&0xff00)>>8 //time0,100us,红外遥控

#define TIME0TL ((65536-100*JINGZHEN/12)&0xff)

#define TIME1TH ((65536-5000*JINGZHEN/12)&0xff00)>>8 #define TIME1TL ((65536-5000*JINGZHEN/12)&0xff) #define uchar unsigned char #define uint unsigned int

code uchar BitMsk[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,};

uint IrCount=0,Show=0,Cont=0; uchar IRDATBUF[32],s[20]; uchar IrDat[5]={0,0,0,0,0}; uchar IrStart=0,IrDatCount=0;

extern void initLCM(void); //LCD初始化子程序 extern void DisplayListChar(uchar X,uchar Y, unsigned char *DData);

第 22 页 共 33 页

{ EA=0;

四川信息职业技术学院毕业设计说明书（论文）

void timer1int (void) interrupt 3 using 3 //定时器1

TH1 = TIME1TH; TL1 = TIME1TL; Cont++;

if(Cont>10)Show=1; EA=1; }

void timer0int (void) interrupt 1 using 1 //定时器0 {

uchar i,a,b,c,d; EA=0;

TH0 = TIME0TH; TL0 = TIME0TL; if(IrCount>500)IrCount=0;

if(IrCount>300&&IrStart>0){IrStart=0;IrDatCount=0;IrDat[0]=IrDat[1]=IrDat[2]=IrDat[3]=0;IrCount=0;} if(IrStart==2) { IrStart=3;

for(i=0;i

b=IRDATBUF[i]; c=IrDat[a];

第 23 页 共 33 页

四川信息职业技术学院毕业设计说明书（论文）

d=BitMsk[i%8]; if(b>5&&b<14)c|=d; if(b>16&&b<25)c&=~d; IrDat[a]=c; } }

if(IrDat[2]!=~IrDat[3])

{

IrStart=0;IrDatCount=0;IrDat[0]=IrDat[1]=IrDat[2]=IrDat[3]=0;IrCount=0; } EA=1; return; }

IrCount++; EA=1; }

void int0() interrupt 0 using 0 { EA=0; if(IrStart==0) {

IrStart=1;IrCount=0;TH0 = TIME0TH;TL0 = TIME0TL; IrDatCount=0;EA=1; return; } if(IrStart==1) {

if(IrDatCount>0&&IrDatCount<33) IRDATBUF[IrDatCount-1]=IrCount; if(IrDatCount>31)

第 24 页 共 33 页

四川信息职业技术学院毕业设计说明书（论文）

{IrStart=2;TH0 = TIME0TH;TL0 = TIME0TL;EA=1;return;} if(IrCount>114&&IrCount<133&&IrDatCount==0) {IrDatCount=1;}else if(IrDatCount>0)IrDatCount++; }

IrCount=0;TH0 = TIME0TH;TL0 = TIME0TL; EA=1; }

/******************主程序****************/ main() { uchar *a,n; TMOD |= 0x011; TH0 = TIME0TH; TL0 = TIME0TL; ET0=1;

TR0=1; ET1=1;

TR1=1;

IT0 = 1; //下降沿 EX0 = 1; initLCM(); EA=1;

/**************按键扫描程序**************/ for(;;) {

if(Show==1) { Show=0; Cont=0;

DisplayListChar(0,1,\

第 25 页 共 33 页