时钟程序 51单片机 时间可设定

欢迎阅读本文档，希望本文档能对您有所帮助！欢迎阅读本文档，希望本文档能对您有所帮助！感谢阅读本文档，希望本文档能对您有所帮助！感谢阅读本文档，希望本文档能对您有所帮助！欢迎阅读本文档，希望本文档能对您有所帮助！感谢阅读本文档，希望本文档能对您有所帮助！/*时钟设置按键由P2.3口输入加1按键由P2.2口输入*/#include<reg51.h>#defineu8unsignedchar#defineucharunsignedchar#defineu16unsignedint#defineuintunsignedintsbitSCLK=P1^4;sbitSDIN=P1^5;sbitDC=P1^6;sbitSCE=P1^7;voidWr_LCD_byte(u8dat,u8cmd);voidSet_LCD_XY(u8X,u8Y);voidClr_LCD(void);voidWr_LCD_chr(u8col,u8row,u8ch);voidLCD_Init(void);voiddelayms(unsignedintm);ucharkeyscan(void);unsignedcharcodechr[]={0x00,0x00,0x00,0x00,0x00,0x00,//00x00,0x7F,0x7F,0x7F,0x7F,0x7F,//█10x00,0x3E,0x51,0x49,0x45,0x3E,//020x00,0x00,0x42,0x7F,0x40,0x00,//130x00,0x42,0x61,0x51,0x49,0x46,//240x00,0x21,0x41,0x45,0x4B,0x31,//350x00,0x18,0x14,0x12,0x7F,0x10,//460x00,0x27,0x45,0x45,0x45,0x39,//570x00,0x3C,0x4A,0x49,0x49,0x30,//680x00,0x01,0x71,0x09,0x05,0x03,//790x00,0x36,0x49,0x49,0x49,0x36,//8100x00,0x06,0x49,0x49,0x29,0x1E,//9110x00,0x7C,0x12,0x11,0x12,0x7C,//A120x00,0x7F,0x49,0x49,0x49,0x36,//B130x00,0x3E,0x41,0x41,0x41,0x22,//C140x00,0x7F,0x41,0x41,0x22,0x1C,//D150x00,0x7F,0x49,0x49,0x49,0x41,//E160x00,0x7F,0x09,0x09,0x09,0x01,//F170x00,0x3E,0x41,0x49,0x49,0x7A,//G180x00,0x7F,0x08,0x08,0x08,0x7F,//H190x00,0x00,0x41,0x7F,0x41,0x00,//I200x00,0x20,0x40,0x41,0x3F,0x01,//J210x00,0x7F,0x08,0x14,0x22,0x41,//K220x00,0x7F,0x40,0x40,0x40,0x40,//L230x00,0x7F,0x02,0x0C,0x02,0x7F,//M240x00,0x7F,0x04,0x08,0x10,0x7F,//N250x00,0x3E,0x41,0x41,0x41,0x3E,//O260x00,0x7F,0x09,0x09,0x09,0x06,//P270x00,0x3E,0x41,0x51,0x21,0x5E,//Q280x00,0x7F,0x09,0x19,0x29,0x46,//R290x00,0x46,0x49,0x49,0x49,0x31,//S300x00,0x01,0x01,0x7F,0x01,0x01,//T310x00,0x3F,0x40,0x40,0x40,0x3F,//U320x00,0x1F,0x20,0x40,0x20,0x1F,//V330x00,0x3F,0x40,0x38,0x40,0x3F,//W340x00,0x63,0x14,0x08,0x14,0x63,//X350x00,0x07,0x08,0x70,0x08,0x07,//Y360x00,0x61,0x51,0x49,0x45,0x43,//Z370x00,0x20,0x54,0x54,0x54,0x78,//a380x00,0x7F,0x48,0x44,0x44,0x38,//b390x00,0x38,0x44,0x44,0x44,0x20,//c400x00,0x38,0x44,0x44,0x48,0x7F,//d410x00,0x38,0x54,0x54,0x54,0x18,//e420x00,0x08,0x7E,0x09,0x01,0x02,//f430x00,0x18,0xA4,0xA4,0xA4,0x7C,//g440x00,0x7F,0x08,0x04,0x04,0x78,//h450x00,0x00,0x44,0x7D,0x40,0x00,//i460x00,0x40,0x80,0x84,0x7D,0x00,//j470x00,0x7F,0x10,0x28,0x44,0x00,//k480x00,0x00,0x41,0x7F,0x40,0x00,//l490x00,0x7C,0x04,0x18,0x04,0x78,//m500x00,0x7C,0x08,0x04,0x04,0x78,//n510x00,0x38,0x44,0x44,0x44,0x38,//o520x00,0xFC,0x24,0x24,0x24,0x18,//p530x00,0x18,0x24,0x24,0x18,0xFC,//q540x00,0x7C,0x08,0x04,0x04,0x08,//r550x00,0x48,0x54,0x54,0x54,0x20,//s560x00,0x04,0x3F,0x44,0x40,0x20,//t570x00,0x3C,0x40,0x40,0x20,0x7C,//u580x00,0x1C,0x20,0x40,0x20,0x1C,//v590x00,0x3C,0x40,0x30,0x40,0x3C,//w600x00,0x44,0x28,0x10,0x28,0x44,//x610x00,0x1C,0xA0,0xA0,0xA0,0x7C,//y620x00,0x44,0x64,0x54,0x4C,0x44,//z630x00,0x00,0x60,0x60,0x00,0x00,//.640x00,0x00,0x36,0x36,0x00,0x00,//:650x00,0x00,0x41,0x22,0x14,0x08,//>660x00,0x00,0x00,0x2f,0x00,0x00,//!670x00,0x00,0x07,0x00,0x07,0x00,//"680x00,0x14,0x7f,0x14,0x7f,0x14,//#690x00,0x24,0x2a,0x7f,0x2a,0x12,//$700x00,0x62,0x64,0x08,0x13,0x23,//%710x00,0x36,0x49,0x55,0x22,0x50,//&720x00,0x00,0x05,0x03,0x00,0x00,//'730x00,0x00,0x1c,0x22,0x41,0x00,//(740x00,0x00,0x41,0x22,0x1c,0x00,//)750x00,0x14,0x08,0x3E,0x08,0x14,//*760x00,0x08,0x08,0x3E,0x08,0x08,//+770x00,0x00,0x00,0xA0,0x60,0x00,//,780x00,0x08,0x08,0x08,0x08,0x08,//-790x00,0x40,0x40,0x40,0x40,0x40,//_800x00,0x20,0x10,0x08,0x04,0x02,///810x00,0x00,0x7F,0x41,0x41,0x00,//[820x00,0x00,0x41,0x41,0x7F,0x00,//]820x00,0x04,0x02,0x01,0x02,0x04,//^84};/*-------------------------------------wr_LCD_byte:通过SPI端口向LCD5110写入数据输入参数：dat（byte）：写入的数据cmd（0、1）：指令0，数据1-------------------------------------*/voidWr_LCD_byte(u8dat,u8cmd){ unsignedchari;SCE=0; DC=cmd; for(i=0;i<8;i++){if(dat&0x80) SDIN=1;else SDIN=0;dat=dat<<1; SCLK=0; SCLK=1;} DC=1; SCE=1; SDIN=1;}/*---------------------------set_LCD_XY:设置光标位置输入参数：X（0-83）、Y（0-5）---------------------------*/voidSet_LCD_XY(u8X,u8Y){Wr_LCD_byte(0x40|Y,0);Wr_LCD_byte(0x80|X,0);}/*------------------clr_LCD:LCD5110清屏------------------*/voidClr_LCD(void){unsignedcharc,r; Set_LCD_XY(0,0); for(r=0;r<6;r++) {for(c=0;c<84;c++) { Wr_LCD_byte(0x00,1); } }}/*-------------------------------------------wr_LCD_chr:显示8*16大小的半角字符输入函数：col(0-9):显示位置-列row(0-5):显示位置-行ch:(0-39):字符位置（位于数组chr中）-------------------------------------------*/voidWr_LCD_chr(u8col,u8row,u8ch){unsignedchari;Set_LCD_XY(col*6,row); for(i=0;i<6;i++) { Wr_LCD_byte(chr[ch*6+i],1); }} /*----------------------LCD_init:LCD5110初始化----------------------*/voidLCD_Init(void){ Wr_LCD_byte(0x21,0);//初始化LCD,功能设定使用扩充指令 Wr_LCD_byte(0xc8,0);//设定液晶偏置电压 Wr_LCD_byte(0x20,0);//使用基本指令 Wr_LCD_byte(0x0C,0);//设定显示模式，正常显示}voiddelayms(unsignedintm)//延时程序{unsignedinti;while(--m)for(i=0;i<372;i++);}/*------------------------------------------------键盘扫描程序------------------------------------------------*/ucharkeyscan(void)//键盘扫描函数，使用行列反转扫描法{ucharcord_h,cord_l;//行列值中间变量P3=0x0f;//行线输出全为0cord_h=P3&0x0f;//读入列线值if(cord_h!=0x0f)//先检测有无按键按下{delayms(10);//去抖if(cord_h!=0x0f){cord_h=P3&0x0f;//读入列线值P3=cord_h|0xf0;//输出当前列线值cord_l=P3&0xf0;//读入行线值return(cord_h+cord_l);//键盘最后组合码值}}return(0xff);//返回该值}#defineSETUPCTRL0xF7#definePLUSCTRL0xFB#defineNONE0xFD#defineMENUCTRL0xFEucharscreen[6][14]={0};//6×14列屏幕内容数组uchartime1Counter=0;//定时器1计数器uintdpyCounter=0;//用于控制光标处闪烁ucharhour=23;//小时初始化ucharminute=59;//分钟初始化ucharsecond=0;//秒初始化ucharcol;ucharrow=2;//显示在第3行ucharsetupFlag=0;//设置标志sbitLED0=P0^0;sbitLED1=P0^1;sbitLED2=P0^2;sbitLED3=P0^4;sbitLED=P0^7;/*------------------------------------------------定时器1初始化子程序------------------------------------------------*/voidInit_Timer1(void) //定时50ms{TMOD|=0x10; //使用模式1，16位定时器TH1=(65536-50000)/256;//给定初值，定时器计数50ms溢出TL1=(65536-50000)%256;EA=1;//总中断打开ET1=1;//定时器中断打开TR1=1;//定时器开关打开}/*------------------------------------------------定时器1中断子程序------------------------------------------------*/voidTimer1_isr(void)interrupt3using2{TH1=(65536-50000)/256; //重新赋值TL1=(65536-50000)%256;if(1==setupFlag)//设置时钟时 { time1Counter=0;//定时器1计数器要清零 return; }time1Counter++;//定时器1计数器加1if(20==time1Counter)//1s更新一次 { time1Counter=0;//定时器1计数器清零 second++;//秒加1 if(60==second) { second=0; minute++; if(60==minute) { minute=0; hour++; if(24==hour) hour=0; } } screen[row][5]=hour/10+2;//更新小时显示内容screen[row][6]=hour%10+2;screen[row][8]=minute/10+2;//更新分钟显示内容screen[row][9]=minute%10+2; screen[row][11]=second/10+2;//更新秒显示内容 screen[row][12]=second%10+2; }}/*------------------------------------------------外部中断0子程序------------------------------------------------*/voidExternal_isr(void)interrupt0using1{ucharhourH;ucharhourL;ucharminuteH;ucharminuteL;ucharctrl;LED=0;ctrl=P2;//按键从P2口输入switch(ctrl){ caseSETUPCTRL://按下设置键 LED3=0; if(0==setupFlag) { setupFlag=1; col=4; dpyCounter=0; } col++; if(7==col)//第7列已显示“:” col++; if(10==col)//以完成设置 setupFlag=0;//设置标志清零 break; casePLUSCTRL://按下加1键 LED2=0; if(1==setupFlag) { switch(col)//光标所在列数 { case5://小时十位处 hour+=10; if(hour>23) hour%=10; break; case6://小时个位处 hourH=hour/10; hourL=hour%10; hourL++; if(2==hourH) { if(4==hourL) hourL=0; } else { if(10==hourL) hourL=0; } hour=hourH*10+hourL; break; case8://分钟十位处 minute+=10; if(minute>59) minute%=10; break; case9://分钟个位处 minuteH=minute/10; minuteL=minute%10; minuteL++; if(10==minuteL) minuteL=0; minute=minuteH*10+minuteL; break; default: break; } } break; caseNONE: LED1=0; break; caseMENUCTRL: LED0=0; break; default: break;}screen[row][5]=hour/10+2;//更新小时显示内容screen[row][6]=hour%10+2;screen[row][8]=minute/10+2;//更新分钟显示内容screen[row][9]=minute%10+2;while(!(0xFF==ctrl))//等待按键释放ctrl=P2;}voidmain(){ ucharr,c; Init_Timer1();//初始化定时器1 EX0=1;//开外部中断0 IT0=0;//设置低电平可引起外部中断0 LCD_Init();//LCD初始化 Clr_LCD();//LCD清屏 screen[row][0]=31;//T screen[row][1]=46;//i screen[row][2]=50;//m screen[row][3]=42;//e screen[row][7]=65;//: screen[row][10]=65;//: screen[row][5]=hour/10+2;//计算小时显示的内容screen[row][6]=hour%10+2;screen[row][8]=minute/10+2;//计算分钟显示的内容screen[row][9]=minute%10+2; screen[row][11]=second/10+2;//计算秒显示的内容 screen[row][12]=second%10+2; while(1) { if(0==setupFlag)//不处于设置状态 { for(r=0;r<6;r++)//6行{for(c=0;c<14;c++)//14列{//:闪烁if((r==row)&