[问答]

关于1602的电子时钟并联可以，为啥改成串联就不显示了

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问答对人有帮助，内容完整，我也想知道答案 0 #include //#include #include *it R=P2^3; /it p5=P2^4; it p6=P2^5; it p7=P2^6; it p8=P2^7; / *it lcdrs=P2^0; it lcdrw=P2^1; it lcden=P2^2; //it led=P3^7; void init(); void delay(unsigned int z); void write_com(unsigned char com); void write_data(unsigned char dat); void display(); unsigned int num,a,b,c,s; unsigned int sum,miao,fen,shi,second,min,hour; unsigned char code table[]={"0123456789:'c"}; unsigned char code table1[]={"SunMonTueWedThuFriSat"}; void main() { s=second=min=hour=0; init(); // SCON=0x00; TH1=(65536-5000)/256; TL1=(65536-5000)%256; TMOD=0X10; EA=1; ET1=1; TR1=1; // R=0; _nop_(); _nop_(); R=1; while(1) display(); } void init() { lcden=0; lcdrw=0; write_com(0x01); //清除显示 write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x80); } void delay(unsigned int z) { unsigned int x,y; for(x=z;x>0;x--) for(y=70;y>0;y--); } void write_com(unsigned char com) { lcdrs=0; P1=com; // SBUF=com; // while(ti==0);TI=0; delay(5); lcden=1; delay(5); lcden=0; } void write_data(unsigned char dat) { lcdrs=1; P1=dat; // SBUF=dat; // while(TI==0);TI=0; delay(5); lcden=1; delay(5); lcden=0; } /void show(unsigned long x) { unsigned int num,c,j; unsigned long a=1,k; unsigned char table[]={ 0x30,0x31,0x32,0x33,0x34, 0x35,0x36,0x37,0x38,0x39}; unsigned char y; write_com(0x80+0x40); write_data('='); k=x; while(k!=0) { num++; k=k/10; } for(j=1;j { a=a10; } while(num) { c=x/a; x=x%a; a=a/10; y=table[c]; num--; write_data(y); delay(50); } } / void show1(void) interrupt 3 { unsigned int q; TH1=(65536-5000)/256; TL1=(65536-5000)%256; q++ ; if(q==200) { q=0; second++; if(second==60) { second=0; min++; if(min==60) { min=0; hour++; if(hour==24) { hour=0; s++; if(s==7) s=0; } } } } } void display(void) { unsigned int a1,a2,b1,b2,c1,c2; write_com(0x80); a1=hour/10;write_data(table[a1]); a2=hour%10;write_data(table[a2]); write_data(table[10]); b1=min/10; write_data(table[b1]); b2=min%10; write_data(table[b2]); write_data(table[10]); c1=second/10; write_data(table[c1]); c2=second%10; write_data(table[c2]); write_com(0xc5); write_data(table1[3s]); write_data(table1[3s+1]);write_data(table1[3s+2]); } 这是可以出结果的并联。下面是改过后的串联程序，就是显示不开 #include //#include #include it R=P2^3; /it p5=P2^4; it p6=P2^5; it p7=P2^6; it p8=P2^7; / *it lcdrs=P2^0; it lcdrw=P2^1; it lcden=P2^2; //it led=P3^7; void init(); void delay(unsigned int z); void write_com(unsigned char com); void write_data(unsigned char dat); void display(); unsigned int num,a,b,c,s; unsigned int sum,miao,fen,shi,second,min,hour; unsigned char code table[]={"0123456789:'c"}; unsigned char code table1[]={"SunMonTueWedThuFriSat"}; void main() { s=second=min=hour=0; init(); SCON=0x00; TH1=(65536-5000)/256; TL1=(65536-5000)%256; TMOD=0X10; EA=1; ET1=1; TR1=1; R=0; _nop_(); _nop_(); R=1; while(1) display(); } void init() { lcden=0; lcdrw=0; write_com(0x01); //清除显示 write_com(0x38); write_com(0x0c); write_com(0x06); write_com(0x80); } void delay(unsigned int z) { unsigned int x,y; for(x=z;x>0;x--) for(y=70;y>0;y--); } void write_com(unsigned char com) { lcdrs=0; SBUF=com; while(TI==0);TI=0; delay(5); lcden=1; delay(5); lcden=0; } void write_data(unsigned char dat) { lcdrs=1; SBUF=dat; while(TI==0);TI=0; delay(5); lcden=1; delay(5); lcden=0; } /void show(unsigned long x) { unsigned int num,c,j; unsigned long a=1,k; unsigned char table[]={ 0x30,0x31,0x32,0x33,0x34, 0x35,0x36,0x37,0x38,0x39}; unsigned char y; write_com(0x80+0x40); write_data('='); k=x; while(k!=0) { num++; k=k/10; } for(j=1;j { a=a10; } while(num) { c=x/a; x=x%a; a=a/10; y=table[c]; num--; write_data(y); delay(50); } } / void show1(void) interrupt 3 { unsigned int q; TH1=(65536-5000)/256; TL1=(65536-5000)%256; q++ ; if(q==200) { q=0; second++; if(second==60) { second=0; min++; if(min==60) { min=0; hour++; if(hour==24) { hour=0; s++; if(s==7) s=0; } } } } } void display(void) { unsigned int a1,a2,b1,b2,c1,c2; write_com(0x80); a1=hour/10;write_data(table[a1]); a2=hour%10;write_data(table[a2]); write_data(table[10]); b1=min/10; write_data(table[b1]); b2=min%10; write_data(table[b2]); write_data(table[10]); c1=second/10; write_data(table[c1]); c2=second%10; write_data(table[c2]); write_com(0xc5); write_data(table1[3s]); write_data(table1[3s+1]);write_data(table1[3*s+2]); } 0
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