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会员注册51单片机时钟c语言程序，这是一款AT89C51单片机1602液晶显示时钟程序，功能主要有：温度、时间、日期、星期显示以及调节。有多级菜单显示。第一级菜单调节时间、日期。第二级菜单显示自定义信息。
AT89C51单片机1602液晶显示时钟程序
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 | #include"reg52.h"#include"intrins.h"#define uchar unsigned char#define uint unsigned intsbit DQ=P2^1;sbit light=P2^7;sbit k1=P1^0;sbit k2=P1^1;sbit k3=P1^2;sbit k4=P1^3;sbit k5=P1^4;sbit LED1=P1^3;sbit LED2=P1^4;sbit DS1302_CE=P3^5;sbit DS1302_IO=P3^6;sbit DS1302_SCLK=P3^7;sbit LCD1602_RS=P2^4;sbit LCD1602_RW=P2^5;sbit LCD1602_EN=P2^6;extern uchar wendu[4];extern void get_wendu();extern void LCD1602_init();extern void LCD1602_wcmd(uchar cmd);extern void LCD1602_wdat(uchar dat);extern void LCD1602_pos(uchar x,bit y); //定义显示位置，x为列，y为行，0上1下extern void LCD1602_dischar(uchar x,bit y,uchar dat); //在指定位置显示字符extern void LCD1602_prints(uchar x,bit y,uchar *p); //显示字符串extern uchar dt[7];extern void set_time();extern void get_time();extern void DS1302_init();uchar dt[7];void DS1302_write_byte(uchar dat){ char i; for(i=0;i<8;i++) { DS1302_SCLK = 0; _nop_(); _nop_(); dat >>= 1; DS1302_IO = CY; DS1302_SCLK=1; _nop_(); _nop_(); }}uchar DS1302_read_byte(){ uchar i; uchar dat = 0; for(i=0;i<8;i++) { DS1302_SCLK = 0; _nop_(); _nop_(); dat >>= 1; if(DS1302_IO) dat |= 0x80; DS1302_SCLK =1; _nop_(); _nop_(); } return dat;}void DS1302_write(uchar address,uchar dat){ DS1302_CE=0; _nop_(); _nop_(); DS1302_SCLK=0; _nop_(); _nop_(); DS1302_CE=1; _nop_(); _nop_(); DS1302_write_byte(address); DS1302_write_byte(dat); DS1302_SCLK=1; DS1302_CE=0;}uchar DS1302_read(uchar address){ uchar dat; DS1302_CE=0; _nop_(); _nop_(); DS1302_SCLK=0; _nop_(); _nop_(); DS1302_CE=1; _nop_(); _nop_(); DS1302_write_byte(address); dat =DS1302_read_byte(); DS1302_SCLK=1; DS1302_CE=0; dat=dat/16*10+dat; return dat;}void DS1302_init(){ DS1302_write(0x8e,0x00); DS1302_write(0x80,0x00); DS1302_write(0x82,0x00); DS1302_write(0x84,0x12); DS1302_write(0x86,0x10); DS1302_write(0x88,0x11); DS1302_write(0x8a,0x06); DS1302_write(0x8c,0x12); DS1302_write(0x8e,0x80);}void set_time(){ uchar i,j=0x80; for(i=0;i<7;i++) { dt[i]=dt[i]/10*16+dt[i]; } DS1302_write(0x8e,0x00); DS1302_write(0x80,0x00); for(i=0;i<7;i++) { DS1302_write(j,dt[i]); j+=2; } DS1302_write(0x8e,0x80);}void get_time(){ dt[0] =DS1302_read(0x81); dt[1] =DS1302_read(0x83); dt[2] =DS1302_read(0x85); dt[3] =DS1302_read(0x87); dt[4] =DS1302_read(0x89); dt[5] =DS1302_read(0x8b); dt[6] =DS1302_read(0x8d);}void chaongdiaon() //充电{DS1302_write(0x8e,0x00); _nop_(); _nop_();DS1302_write(0x90, 0xa6); //使能充电 用一个二极管 用4k电阻DS1302_write(0x8e,0x80); _nop_(); _nop_();}uchar code self_char[]={ 0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02, //年 0x0f,0x09,0x0f,0x09,0x0f,0x09,0x13,0x01, //月 0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00, //日 0x18,0x18,0x07,0x08,0x08,0x08,0x07,0x00, //温度标志— —摄氏度 0x00,0x04,0x0E,0x1F,0x0E,0x04,0x00,0x00, //符号◆ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, //全开 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 // };bit lcd_busy(){ bit result; LCD1602_RS=0; LCD1602_RW=1; LCD1602_EN=1; _nop_(); _nop_(); _nop_(); _nop_(); result = (bit)(P0&0x80); LCD1602_EN=0; return(result);}void LCD1602_wcmd(uchar cmd){ while(lcd_busy()); LCD1602_RS=0; LCD1602_RW=0; _nop_(); _nop_(); LCD1602_EN=1; _nop_(); _nop_(); _nop_(); _nop_(); P0=cmd; _nop_(); _nop_(); _nop_(); _nop_(); LCD1602_EN=0;}void LCD1602_wdat(uchar dat){ while(lcd_busy()); LCD1602_RS=1; LCD1602_RW=0; LCD1602_EN=1; _nop_(); _nop_(); _nop_(); _nop_(); P0=dat; _nop_(); _nop_(); _nop_(); _nop_(); LCD1602_EN=0;}void LCD1602_pos(uchar x,bit y) //指定坐标,x为列，0~15，y为行，0为第一行，1为第二行。{ if(y)LCD1602_wcmd(x|0xc0); else LCD1602_wcmd(x|0x80);}void LCD1602_dischar(uchar x,bit y,uchar dat) //指定位置显示一个字符{ LCD1602_pos(x,y); LCD1602_wdat(dat);}void LCD1602_prints(uchar x,bit y,uchar *p) //指定位置显示字符串{ LCD1602_pos(x,y); while((*p) != '\0') {LCD1602_wdat(*p);p++;}}void LCD1602_init(){ uchar i; LCD1602_wcmd(0x40); for(i=0;i<64;i++) { LCD1602_wdat(self_char[i]); } LCD1602_wcmd(0x38); LCD1602_wcmd(0x38); LCD1602_wcmd(0x0c); LCD1602_wcmd(0x06); LCD1602_wcmd(0x01);}uchar wendu[4];void delay_18b20(uchar i){ int j; for(j=0;j}uchar init_18b20(){ uchar i; DQ=0; delay_18b20(30); DQ=1; delay_18b20(3); i=DQ; delay_18b20(20); return(i);}uchar read_18b20_bit(){ uchar i; DQ=0; DQ=1; for(i=0;i<3;i++); return(DQ);}void write_18b20_bit(unsigned xbit){ DQ=0; if(xbit==1) DQ=1; delay_18b20(5); DQ=1;}uchar read_18b20_byte(){ uchar i,j,value; j=1; value=0; for(i=0;i<8;i++) { if(read_18b20_bit()) { value=value+(j<<i); j="x" {="" for(i="0;i<8;i++)" i,j;="" uchar="" x)="" write_18b20_byte(uchar="" void="" }="" return(value);="" delay_18b20(6);="">>i; j=j&0x01; write_18b20_bit(j); delay_18b20(5); }}void get_wendu(){ uchar a,b; float get_temp; int temp1,temp2; init_18b20(); write_18b20_byte(0xcc); write_18b20_byte(0x44); init_18b20(); write_18b20_byte(0xcc); write_18b20_byte(0xbe); a=read_18b20_byte(); //低8位 b=read_18b20_byte(); //高8位 temp1=b; temp1=temp1<<8; temp1=temp1|a; if(b&0xfc) {wendu[0]=1;temp1=~temp1+1;} //0正1负 else wendu[0]=0; get_temp=temp1*0.0625; temp2=get_temp*10+0.5; wendu[1]=temp200/100; wendu[2]=temp2000/10; wendu[3]=temp2000;}uchar mode=0,OK=0;uchar dis1[16],dis2[16];//uchar IRCOM[7],IRCODE=0;uchar NUM1,NUM2;uchar count;bit L=0,select=0,DIS_EN=1,SHAN;void delay(uint i){ uchar j; while(i-- !=0) { for(j=0;j<120;j++); }}void delay1(uchar i){ uchar j; while(i--) {for(j=0;j<13;j++){}}}void get_dis(){ dis1[0]='2'; dis1[1]='0'; dis1[2]=0x30+dt[6]/10; dis1[3]=0x30+dt[6]; dis1[4]=0; dis1[5]=0x30+dt[4]/10; dis1[6]=0x30+dt[4]; dis1[7]=1; dis1[8]=0x30+dt[3]/10; dis1[9]=0x30+dt[3]; dis1[10]=2; dis1[11]=' '; dis1[12]=' '; switch(dt[5]) { case 1: { dis1[13]='M'; dis1[14]='o'; dis1[15]='n'; } break; case 2: { dis1[13]='T'; dis1[14]='u'; dis1[15]='e'; } break; case 3: { dis1[13]='W'; dis1[14]='e'; dis1[15]='d'; } break; case 4: { dis1[13]='T'; dis1[14]='h'; dis1[15]='u'; } break; case 5: { dis1[13]='F'; dis1[14]='r'; dis1[15]='i'; } break; case 6: { dis1[13]='S'; dis1[14]='a'; dis1[15]='t'; } break; case 7: { dis1[13]='S'; dis1[14]='u'; dis1[15]='n'; } break; } dis2[0]=' '; dis2[1]=0x30+dt[2]/10; dis2[2]=0x30+dt[2]; dis2[3]=':'; dis2[4]=0x30+dt[1]/10; dis2[5]=0x30+dt[1]; dis2[6]=':'; dis2[7]=0x30+dt[0]/10; dis2[8]=0x30+dt[0]; dis2[9]=' '; if(wendu[0]==1) dis2[10]=0x2d; else dis2[10]=' '; dis2[11]=0x30+wendu[1]; dis2[12]=0x30+wendu[2]; dis2[13]='.'; dis2[14]=0x30+wendu[3]; dis2[15]=3;}void keyscan(){ if(k1==0) { delay(10); if(k1==0) { while(!k1); mode++; if(mode==1 && OK==0) LCD1602_wcmd(0x01); if(mode==2 && OK==0) { mode=0; select=0; } if(select==0 && OK==1) { if(mode==7) mode=1; } if(select==1 && OK==1) { if(mode==6) mode=1; } } }if(k2==0) { delay(10); if(k2==0) { while(!k2); if(mode==1 && OK==0) {select=~select;LCD1602_wcmd(0x01);} NUM1++; } } if(k3==0) { delay(10); if(k3==0) { while(!k3); if(mode==1 && OK==0) {select=~select;LCD1602_wcmd(0x01);} NUM2++; } } if(k4==0) { delay(10); if(k4==0) { while(!k4); if(mode==0) light=~light; if(mode !=0) { LCD1602_wcmd(0x01); OK++; NUM1=0; NUM2=0; if(OK==2) { LCD1602_wcmd(0x01); set_time();// set_alarm(); mode=0; select=0; OK=0; } } } } if(k5==0) { delay(100); if(k5==0) { while(!k5); DS1302_init(); } } } void display(){ get_wendu(); get_dis(); if(mode==0) //正常模式 { uchar i; LED1=1; get_time();// get_alarm(); LCD1602_pos(0,0); for(i=0;i<16;i++) LCD1602_wdat(dis1[i]); LCD1602_pos(0,1); for(i=0;i<16;i++) LCD1602_wdat(dis2[i]); } if(mode==1&&OK==0) //菜单模式 { LCD1602_prints(1,0,"1.Set Time"); LCD1602_prints(1,1,"2.About..."); if(select) LCD1602_dischar(0,1,4); else LCD1602_dischar(0,0,4); } if(OK==1&&select==0) //调日期模式 { uchar i; LCD1602_pos(0,0); for(i=0;i<16;i++) LCD1602_wdat(dis1[i]); LCD1602_pos(0,1); for(i=0;i<10;i++) LCD1602_wdat(dis2[i]); LCD1602_prints(10,1,"Set..."); if(SHAN==1) LCD1602_prints(10,1,"Set. "); if(mode==1) //调分模式，秒位清零 { dt[0]=0; LCD1602_dischar(7,1,0x30+dt[0]/10); LCD1602_dischar(8,1,0x30+dt[0]); if(NUM1!=0) { dt[1]++; if(dt[1]==60) dt[1]=0; LCD1602_dischar(4,1,0x30+dt[1]/10); LCD1602_dischar(5,1,0x30+dt[1]); NUM1=0; } if(NUM2!=0) { dt[1]--; if(dt[1]==-1) dt[1]=59; LCD1602_dischar(4,1,0x30+dt[1]/10); LCD1602_dischar(5,1,0x30+dt[1]); NUM2=0; } if(SHAN==1) LCD1602_dischar(5,1,5); } else if(mode==2) //调时模式 { if(NUM1!=0) { dt[2]++; if(dt[2]==24) dt[2]=0; LCD1602_dischar(1,1,0x30+dt[2]/10); LCD1602_dischar(2,1,0x30+dt[2]); NUM1=0; } if(NUM2!=0) { dt[2]--; if(dt[2]==-1) dt[2]=23; LCD1602_dischar(1,1,0x30+dt[2]/10); LCD1602_dischar(2,1,0x30+dt[2]); NUM2=0; } if(SHAN==1) LCD1602_dischar(2,1,5); } if(mode==3) //调星期状态 { if(NUM1!=0) { dt[5]++; if(dt[5]==8) dt[5]=1; switch(dt[5]) { case 1: LCD1602_prints(13,0,"Mon");break; case 2: LCD1602_prints(13,0,"Tue");break; case 3: LCD1602_prints(13,0,"Wed");break; case 4: LCD1602_prints(13,0,"Thu");break; case 5: LCD1602_prints(13,0,"Fri");break; case 6: LCD1602_prints(13,0,"Sat");break; case 7: LCD1602_prints(13,0,"Sun");break; } NUM1=0; } if(NUM2!=0) { dt[5]--; if(dt[5]==0) dt[5]=7; switch(dt[5]) { case 1: LCD1602_prints(13,0,"Mon");break; case 2: LCD1602_prints(13,0,"Tue");break; case 3: LCD1602_prints(13,0,"Wed");break; case 4: LCD1602_prints(13,0,"Thu");break; case 5: LCD1602_prints(13,0,"Fri");break; case 6: LCD1602_prints(13,0,"Sat");break; case 7: LCD1602_prints(13,0,"Sun");break; } NUM2=0; } if(SHAN==1) LCD1602_dischar(15,0,5); } if(mode==4) //调日模式 { if(NUM1!=0) { dt[3]++; if(dt[3]==32) dt[3]=1; LCD1602_dischar(8,0,0x30+dt[3]/10); LCD1602_dischar(9,0,0x30+dt[3]); NUM1=0; } if(NUM2!=0) { dt[3]--; if(dt[3]==0) dt[3]=31; LCD1602_dischar(8,0,0x30+dt[3]/10); LCD1602_dischar(9,0,0x30+dt[3]); NUM2=0; } if(SHAN==1) LCD1602_dischar(9,0,5); } if(mode==5) //调月模式 { if(NUM1!=0) { dt[4]++; if(dt[4]==13) dt[4]=1; LCD1602_dischar(5,0,0x30+dt[4]/10); LCD1602_dischar(6,0,0x30+dt[4]); NUM1=0; } if(NUM2!=0) { dt[4]--; if(dt[4]==0) dt[4]=12; LCD1602_dischar(5,0,0x30+dt[4]/10); LCD1602_dischar(6,0,0x30+dt[4]); NUM2=0; } if(SHAN==1) LCD1602_dischar(6,0,5); } if(mode==6) //调年模式 { if(NUM1!=0) { dt[6]++; if(dt[6]==100) dt[6]=0; LCD1602_dischar(2,0,0x30+dt[6]/10); LCD1602_dischar(3,0,0x30+dt[6]); NUM1=0; } if(NUM2!=0) { dt[6]--; if(dt[6]==-1) dt[6]=99; LCD1602_dischar(2,0,0x30+dt[6]/10); LCD1602_dischar(3,0,0x30+dt[6]); NUM2=0; } if(SHAN==1) LCD1602_dischar(3,0,5); } } if(OK==1&&select==1) //调闹铃模式 { LCD1602_prints(0,0," Birthday gift "); LCD1602_prints(0,1," --by HJL"); delay(2000); LCD1602_wcmd(0x01); LCD1602_prints(0,0,"2013-12-04 Is "); LCD1602_prints(0,1,"LiYunL birthday!"); delay(2000); LCD1602_wcmd(0x01); LCD1602_prints(0,0,"Friends together"); LCD1602_prints(0,1,"for life... "); delay(2000); LCD1602_wcmd(0x01); mode=1 ; OK=0; }}void diy(){ LCD1602_init(); delay(1); LCD1602_prints(0,0," Digital Clock "); LCD1602_prints(0,1,"v1.1.0 --by HJL"); delay(1000); LCD1602_wcmd(0x01); }void main(){ IT0=1; //外部中断0为下降沿触发 EX0=1; // TMOD=0x01; TH0=0x3C; //50ms TL0=0xB0; EA=1; ET0=1; TR0=1; get_wendu(); diy(); chaongdiaon(); while(1) { P1=0xff; keyscan(); display(); }}void timer0() interrupt 1{ TH0=0x3C; TL0=0xB0; count++; if(count==10) { count=0; SHAN=~SHAN; }} </i);> |
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