#include <AT89X52.H>
unsigned char code dispbitcode[]={0xfe,0xfd,0xfb,0xf7,
0xef,0xdf,0xbf,0x7f};
unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f,0x00};
unsigned char dispbuf[8]={10,10,10,10,0,0,0,0};
unsigned char dispcount;
unsigned char getdata;
unsigned int temp;
unsigned char i;
sbit ST=P3^0;
sbit OE=P3^1;
sbit EOC=P3^2;
sbit CLK=P3^3;
void main(void)
{
ST=0;
OE=0;
ET0=1;
ET1=1;
EA=1;
TMOD=0x12;
TH0=216;
TL0=216;
TH1=(65536-4000)/256;
TL1=(65536-4000)%256;
TR1=1;
TR0=1;
ST=1;
ST=0;
while(1)
{
if(EOC==1)
{
OE=1;
getdata=P0;
OE=0;
temp=getdata*235;
temp=temp/128;
i=5;
dispbuf[0]=10;
dispbuf[1]=10;
dispbuf[2]=10;
dispbuf[3]=10;
dispbuf[4]=10;
dispbuf[5]=0;
dispbuf[6]=0;
dispbuf[7]=0;
while(temp/10)
{
dispbuf[i]=temp%10;
temp=temp/10;
i++;
}
dispbuf[i]=temp;
ST=1;
ST=0;
}
}
}
void t0(void) interrupt 1 using 0
{
CLK=~CLK;
}
void t1(void) interrupt 3 using 0
{
TH1=(65536-4000)/256;
TL1=(65536-4000)%256;
P1=dispcode[dispbuf[dispcount]];
P2=dispbitcode[dispcount];
if(dispcount==7)
{
P1=P1 | 0x80;
}
dispcount++;
if(dispcount==8)
{
dispcount=0;
}
}
MCS-51源程序总集 （963个子文件） 
4X4 KeyBoard (1) 955B 4X4 KeyBoard (2) 905B 74LS245 295B 74LS273 304B 8255 435B 8255(1) 449B 8255(2) 472B 8x8 LED 868B 8x8 Matrix LED 1KB 99s Clock 908B AD Convert 809B Ad Lamp 448B Ad Lamp(Table) 542B ADC0809 Basic 834B Alarm 430B ASCII Conv 448B Trafic Lamp.asm 6KB Calculator.asm 6KB Key Lock (2).asm 6KB I2C.asm 5KB Number Input.asm 4KB Key Lock (1).asm 3KB Text2.asm 3KB Digital Clock (2).asm 3KB Cymometer.asm 2KB Digital Clock (1).asm 2KB Turn Lamp.asm 2KB Temperature Monitor.asm 2KB Electronic Organ.asm 2KB 8x8 Matrix LED.asm 2KB AD Convert.asm 2KB Key Board.asm 2KB 8x8 LED.asm 2KB Text4.ASM 1KB 4X4 KeyBoard (1).asm 1KB 99s Clock.asm 1KB BCD Sub.asm 1KB Numb LED.asm 1KB Dyn Scan LED.asm 1KB Digital Voltmeter.ASM 1KB Text3.asm 1KB 4X4 KeyBoard (2).asm 1KB Graph LED.asm 1KB ADC0809 Basic.asm 1KB Text2.ASM 1KB Door Bell.asm 1KB Timer Application (2).asm 1KB Dyn Display.asm 1KB Text3l.asm 1KB Step Motor.asm 1KB Serial LED Disp.asm 1KB LED Display.asm 1022B Interrupt.ASM 995B Timer.asm 879B Data Sorting.asm 741B 8255(1).asm 689B Counter(4_bit).asm 689B Counter(0-99).asm 679B Ad Lamp(Table).asm 675B Prog JMP.asm 661B DC Motor.asm 658B PWM.asm 658B Timer(Soft).asm 626B Serial to Parallel.asm 593B ASCII Conv.asm 587B Di-Di Alarm.asm 581B ASK.ASM 549B LED.ASM 532B Key Function.asm 529B BCD Add.asm 521B Move RAM.asm 511B BCD Shift.asm 510B Key Recg.asm 503B 8255(2).asm 495B BCD NEG.asm 484B Serial Communication.asm 477B Port1 (1).asm 447B Ad Lamp.asm 422B Alarm.asm 419B Parallel to Serial.asm 404B External Interrupt.asm 385B Text2.asm 381B Port1 (2).asm 366B Text1.asm 350B BCD Conv.asm 328B Audio.asm 302B EEPROM.asm 241B Flash Lamp.asm 236B 74LS273.asm 204B CLR RAM.asm 197B Counter Design.asm 195B Multi Switch.asm 169B Switch Lamp.asm 141B Text2.ASM 126B 74LS245.asm 105B 4X4 KeyBoard (2).asmPreview 81KB Audio 330B BCD Add 435B BCD Conv 411B BCD NEG 411B共 963 条
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