【原创】飞机燃油油量测量系统的设计毕业论文

在毕业设计结束之时，我要特别在此感谢于老师的细心指导，也同样谢谢其他各组同学的无私帮助！

附录Ⅰ 程序清单

#include

unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71,0x00}; unsigned int second;

13 unsigned char keycnt; unsigned char tcnt;

void main(void) {

unsigned char i,j;

TMOD=0x51;

TH0=(65536-50000)256; TL0=(65536-50000)%6; TR0=1; ET0=1; EA=1; second=0;

P1=dispcode[(second100)]; P2=dispcode[(second10)]; P0=dispcode[second]; while(1) {

while(P3_5==0);

for(i=20;i>0;i--) for(j=4;j>0;j--); if(P3_5==0) { keycnt++; switch(keycnt) { case 1: TMOD=0x51; break; case 2:

while(P3_5==1); second=second+1 ;

14 case 3: break;

keycnt=0;(t100);a[3]=(t10)a[4]=(t1); P1=dispcode[(second100)]; P2=dispcode[(second10)]; P0=dispcode[second]; second=0; break; }

while(P3_5==0); } } } }

void t0(void) interrupt 1 using 0 { tcnt++; if(tcnt==20) if(tcnt==4) {P1_1=0; tcnt=0; second++;

P1=dispcode[(second100)]; P2=dispcode[(second10)]; P0=dispcode[second]; P1=dispcode[(second*5100)]; P2=dispcode[(second*510)]; P0=dispcode[second*5]; second=0; } }

#include

15 unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f}; unsigned int Count;

void delay10ms(void) {

unsigned char i,j; for(i=20;i>0;i--) for(j=248;j>0;j--); }

void main(void) { Count=0;

P1=table[(Count*1000100)]; P2=table[(Count*100010)]; P2=table[Count10]; P0=table[Count*1000]; while(1) {

if(P3_5==0) {;

delay10ms(); if(P3_5==0) {

Count++; 1. P1=table[(Count*1000100)]; P2=table[(Count*100010)]; P0=dispcode[second]; P2=table[Count10]; 2

P0=table[Count*1000]; while(P3_5==0); 4 }while(P3_5==1){Count=0;} } } }

16 3