51單片機帶字庫液晶12864ds1302數(shù)字時鐘c源程序無按鍵修改功能

51單片機帶字庫液晶12864ds1302數(shù)字時鐘c源程序無按鍵改正功能51單片機帶字庫液晶12864ds1302數(shù)字時鐘c源程序無按鍵改正功能51單片機帶字庫液晶12864ds1302數(shù)字時鐘c源程序無按鍵改正功能51單片機+帶字庫液晶12864+DS1302數(shù)字時鐘C源程序〔無按鍵改正功能〕過兩天的搜尋與調(diào)試，在他人程序的基礎上，不停改正，終于調(diào)試成功了這個程序。當前還不可以改正時間與日期，但是以預準時間以始。合用于開發(fā)板：51單片機〔AT89S52〕+帶字庫液晶12864(ST7920)+DS1302(實不時鐘〕實現(xiàn)功能：簡單，數(shù)字時鐘+日期〔此后會不停圓滿〕。語言源程序以下：#include<reg52.h>#include<intrins.h>#defineucharunsignedchar#defineuintunsignedint/*DS1302端口設置*/sbitSCK=P3^6;//DS1302時鐘sbitSDA=P3^4;//DS1302IOsbitRST=P3^5;//DS1302復位bitReadRTC_Flag;//讀DS1302全局變量/*12864端口定義*/#defineLCD_dataP0//帶字庫液晶12864數(shù)據(jù)口sbitLCD_RS=P2^4;//寄存器選擇輸入sbitLCD_RW=P2^5;//液晶讀/寫控制1/13sbitLCD_EN=P2^6;//液晶使能控制sbitPSB=P2^1;//并口控制sbitRES=P2^3;ucharcodedis1[]={"電子設計天地"};//液晶顯示的漢字ucharcodedis2[]={"有志者，事竟成!"};ucharcodedis4[]={'0','1','2','3','4','5','6','7','8','9'};unsignedchartemp;#definedelayNOP();{_nop_();_nop_();_nop_();_nop_();};voidlcd_pos(ucharX,ucharY);//確立顯示地點unsignedcharl_tmpdate[7]={0,7,16,19,10,1,9};//秒分時間月周年09-10-1916:07:00codeunsignedcharwrite_rtc_address[7]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c};//秒分時間月周年最低位讀寫位codeunsignedcharread_rtc_address[7]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d};voidWrite_Ds1302_byte(unsignedchartemp);voidWrite_Ds1302(unsignedcharaddress,unsignedchardat);unsignedcharRead_Ds1302(unsignedcharaddress);voidRead_RTC(void);//readRTCvoidSet_RTC(void);//setRTCvoidInitTIMER0(void);//initaltimer0/*//*2/13*//*延時函數(shù)*//**//*/voiddelay(unsignedintm)//延時程序{unsignedinti,j;for(i=0;i<m;i++)for(j=0;j<10;j++);}/*//**//*檢查LCD忙狀態(tài)*//*lcd_busy為1時，忙，等候。lcd-busy為0時,閑，可寫指令與數(shù)據(jù)。*//**//*/bitlcd_busy(){bitresult;LCD_RS=0;LCD_RW=1;LCD_EN=1;delayNOP();result=(bit)(P0&0x80);LCD_EN=0;return(result);}/*//**//*寫指令數(shù)據(jù)到LCD*//*RS=L，RW=L，E=高脈沖，D0-D7=指令碼。*//**//*/voidlcd_wcmd(ucharcmd){while(lcd_busy());LCD_RS=0;3/13LCD_RW=0;LCD_EN=0;_nop_();_nop_();P0=cmd;delay(1);LCD_EN=1;delay(1);LCD_EN=0;}/*//**//*寫顯示數(shù)據(jù)到LCD*//*RS=H，RW=L，E=高脈沖，D0-D7=數(shù)據(jù)。*//**//*/voidlcd_wdat(uchardat){while(lcd_busy());LCD_RS=1;LCD_RW=0;LCD_EN=0;P0=dat;delayNOP();4/13LCD_EN=1;delay(1);LCD_EN=0;}/*//**//*LCD初始化設定*//**//*/voidlcd_init(){P0=0xFF;P2=0xFF;delay(40);PSB=1;//并口方式。delay(1);RES=0;delay(1);RES=1;delay(10);lcd_wcmd(0x30);delay5/13(100);lcd_wcmd(0x30);delay(37);lcd_wcmd(0x08);delay(100);lcd_wcmd(0x10);delay(100);lcd_wcmd(0x0C);//顯示開，關光標delay(100);lcd_wcmd(0x01);//去除LCD的顯示內(nèi)容delay(100);lcd_wcmd(0x06);delay(100);}voidmain(){uchari;InitTIMER0();Set_RTC();6/13lcd_init();初始化LCDwhile(1){if(ReadRTC_Flag){ReadRTC_Flag=0;Read_RTC();lcd_pos(0,0);//設置顯示地點為第一行的第1個字符i=0;while(dis1[i]!='\0'){//顯示字符lcd_wdat(dis1[i]);i++;}lcd_pos(1,0);//設置顯示地點為第二行的第1個字符i=0;while(dis2[i]!='\0'){lcd_wdat(dis2[i]);//顯示字符i++;}lcd_pos(2,0);lcd_wdat(dis4[l_tmpdate[6]/16]);//DS1302是BCD碼，進行辦理獲得十位與個位數(shù)。lcd_pos(2,1);lcd_wdat(dis4[l_tmpdate[6]%16]);lcd_pos(2,2);lcd_wdat('-');lcd_pos(2,3);lcd_wdat(dis4[l_tmpdate[4]/16]);lcd_pos(2,4);7/13lcd_wdat(dis4[l_tmpdate[4]%16]);lcd_pos(2,5);lcd_wdat('-');lcd_pos(2,6);lcd_wdat(dis4[l_tmpdate[3]/16]);lcd_pos(2,7);lcd_wdat(dis4[l_tmpdate[3]%16]);//設置顯示地點為第三行的第個字符lcd_pos(3,0);//設置顯示地點為第四行的第1個字符lcd_wdat(dis4[l_tmpdate[2]/16]);lcd_pos(3,1);lcd_wdat(dis4[l_tmpdate[2]%16]);lcd_pos(3,2);lcd_wdat(':');lcd_pos(3,3);lcd_wdat(dis4[l_tmpdate[1]/16]);lcd_pos(3,4);lcd_wdat(dis4[l_tmpdate[1]%16]);lcd_pos(3,5);lcd_wdat(':');8/13lcd_pos(3,6);lcd_wdat(dis4[l_tmpdate[0]/16]);lcd_pos(3,7);lcd_wdat(dis4[l_tmpdate[0]%16]);}}}/*//**//*設定顯示地點*//**//*/voidlcd_pos(ucharX,ucharY){ucharpos;if(X==0){X=0x80;}elseif(X==1){X=0x90;}elseif(X==2){X=0x88;}elseif(X==3){X=0x98;}pos=X+Y;lcd_wcmd(pos);//顯示地點}voidInitTIMER0(void){TMOD|=0x01;//準時器設置16位TH0=0xef;//初始化值9/13TL0=0xf0;ET0=1;TR0=1;EA=1;}voidWrite_Ds1302_Byte(unsignedchartemp){unsignedchari;for(i=0;i<8;i++)//循環(huán)8次寫入數(shù)據(jù){SCK=0;SDA=temp&0x01;//每次傳輸?shù)妥止?jié)temp>>=1;//右移一位SCK=1;}}/**/voidWrite_Ds1302(unsignedcharaddress,unsignedchardat){RST=0;_nop_();SCK=0;_nop_();RST=1;_nop_();//啟動Write_Ds1302_Byte(address);//發(fā)送地點Write_Ds1302_Byte(dat);//發(fā)送數(shù)據(jù)RST=0;//恢復}//10/13unsignedcharRead_Ds1302(unsignedcharaddress){unsignedchari,temp=0x00;RST=0;_nop_();SCK=0;_nop_();RST=1;_nop_();Write_Ds1302_Byte(address);for(i=0;i<8;i++)//循環(huán)8次讀取數(shù)據(jù){if(SDA)temp|=0x80;//每次傳輸?shù)妥止?jié)SCK=0;temp>>=1;//右移一位SCK=1;}RST=0;_nop_();//以下為DS1302復位的穩(wěn)準時間RST=0;SCK=0;_nop_();SCK=1;_nop_();SDA=0;_nop_();11/13SDA=1;_nop_();return(temp);//返回}//voidRead_RTC(void)//讀取日歷{unsignedchari,*p;p=read_rtc_address;//地點傳達for(i=0;i<7;i++)//分7次讀取秒分時間月周年{l_tmpdate[i]=Read_Ds1302(*p);p++;}}/*/voidSet_RTC(void)//設定日歷{unsignedchari,*p,tmp;for(i=0;i<7;i++){//BCD辦理tmp=l_tmpdate[i]/10;l_tmpdate[i]=l_tmpdate[i]%10;l_tmpdate[i]=l_tmpdate[i]+tmp*16;}Write_Ds1302(0x8E,0X00);p=write_rtc_address;//傳地點for(i=0;i<7;i++)//7次寫入秒分時間月周年{Write_Ds1302(*p,l_tmpdate[i]);p++;}Write_Ds1302(0x8E,0x80);}voidtim(void)interrupt1using1//中止，用于數(shù)碼管掃描{staticunsignedchari,num;TH0=0xf5;TL0=0xe0;12/13//P0=table[l_tmpdisplay[i]];//查表法獲得要顯示數(shù)字的數(shù)碼段//P2=table1[i];i++;if(i==8){i=0;num++;if(20==num)//隔段時間讀取1302的