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西安交通大学城市学院本科生毕业设计（论文）
}
void timer1(void) interrupt 3 { }
void cafrequent(void) reentrant {
long int l1=0x00; long int h1=0x00;
float tt=0; //tt用于计算频率 TMOD=(TMOD&0x0F)|0x90; TH1=0x00; TL1=0x00; ET1=1; EA=1;
while(fw==1); TR1=1; while(fw==0); while(fw==1); TR1=0; l1=TL1; h1=TH1;
uu=h1*256+l1+inte*65536; inte=0;
tt=uu/(11.0592*1000000.0/12.0); ff=(unsigned long int)(1.0/tt); //频率值 }
void judgekey() {
long int R=0,C=0,L=0; cafrequent(); delay_5ms();
TL1=0x00; TH1=0x00;
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while(sr==0) {
if (srd==0) { //R=(6560000.0/(2.0*ff))-(330.0/2.0); R=(6906343.0/(2.0*ff))-(330.0/2.0); delay_5ms(); m=R/100000; delay_5ms(); w=(R/10000); delay_5ms(); q=(R/1000); delay_5ms(); b=(R/100);
delay_5ms(); s=(R/10); delay_5ms();
g=R;
}
else (srg==0) ; { R=((1000000.0/(0.693*0.01*ff))-20000.0)/2.0; delay_5ms(); m=R/100000; delay_5ms(); w=(R/10000); delay_5ms(); q=(R/1000); delay_5ms(); b=(R/100);
delay_5ms(); s=(R/10);
delay_5ms();
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西安交通大学城市学院本科生毕业设计（论文）
g=R;
} }
while(sc==0) {
// C=2790000.0/ff;
C=3193333.0/ff; delay_5ms(); m=C/100000; delay_5ms(); w=(C/10000); delay_5ms(); q=(C/1000); delay_5ms(); b=(C/100); delay_5ms(); s=(C/10); delay_5ms(); g=C;
}
while(sl==0) {
L=38000000.0/(ff*ff);
delay_5ms(); m=L/100000; delay_5ms(); w=(L/10000); delay_5ms(); q=(L/1000); delay_5ms(); b=(L/100); delay_5ms(); s=(L/10); delay_5ms(); g=L;
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} while(1) {
display(m,1); delay_5ms(); display(w,2);
delay_5ms(); display(q,3); delay_5ms(); display(b,4); delay_5ms(); display(s,5); delay_5ms(); display(g,6); delay_5ms();
}
}
void main() {
judgekey(); }
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