51單片機(jī)c語(yǔ)言電子鐘(已加入調(diào)時(shí)、鬧鈴、整點(diǎn)報(bào)時(shí)功能)

1、51單片機(jī)c語(yǔ)言電子鐘（已加入調(diào)時(shí)、鬧鈴、整點(diǎn)報(bào)時(shí)功能）效果圖：程序如下：/51單片機(jī)c語(yǔ)言電子鐘（已加入調(diào)時(shí)、鬧鈴、整點(diǎn)報(bào)時(shí)功能）/WHJWNAVY 2011/10/14#include#include#define uchar unsigned char#define uint unsigned int/*七段共陰管顯示定義*/ /此表為 LED 的字模, 共陰數(shù)碼管 0-9 - uchar code dispcode = 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40; /段碼控制/*定義并初始化變量*/uchar secon

2、de=0;/秒uchar minite=0;/分uchar hour=12; /時(shí)uchar mstcnt=0;/定時(shí)器計(jì)數(shù)，定時(shí)50ms，mstcnt滿20，秒加1uchar shi=0;/鬧鈴功能uchar fen=0;uchar bjcs;/報(bào)警次數(shù)sbit P1_0=P10; /second 調(diào)整定義sbit P1_1=P11; /minite調(diào)整定義sbit P1_2=P12; /hour調(diào)整定義sbit P1_5=P15;/整點(diǎn)報(bào)時(shí)sbit P1_3=P13;/鬧鈴功能，調(diào)整時(shí)間sbit P1_6=P16;/調(diào)整時(shí)sbit P1_7=P17;/調(diào)整分sbit P1_4=P14;/關(guān)

3、閉鬧鈴/*函數(shù)聲明*/void delay(uint k ); /延時(shí)子程序void time_pro( ); /時(shí)間處理子程序void display( ); /顯示子程序void keyscan( ); /鍵盤掃描子程序/*延時(shí)子程序*/void delay (uint k)uchar j;while(k-)!=0) for(j=0;j125;j+) ; /*時(shí)間處理子程序*/void time_pro(void)if(seconde=60)seconde=0;minite+;if(minite=60)minite=0;hour+;if(hour=24)hour=0;/*顯示子程序*/vo

4、id display(void)if(P1_3=1)P2=0XFE;P0=dispcodeseconde%10;/秒個(gè)位delay(1);P2=0XFD;P0=dispcodeseconde/10;/秒十位delay(1);P2=0XFB;P0=dispcode10;/間隔符 -delay(1);P2=0XF7;P0=dispcodeminite%10;/分個(gè)位delay(1);P2=0XEF;P0=dispcodeminite/10;/分十位delay(1);P2=0XDF;P0=dispcode10;/間隔符 -delay(1);P2=0XBF;P0=dispcodehour%10;/時(shí)個(gè)

5、位delay(1);P2=0X7F;P0=dispcodehour/10;/時(shí)十位delay(1);/*鍵盤掃描子程序*/void keyscan(void)if(P1_0=0)/秒位的調(diào)整delay(30);if(P1_0=0)seconde+;if(seconde=60)seconde=0;delay(250);if(P1_1=0)/分位的調(diào)整delay(30);if(P1_1=0)minite+;if(minite=60)minite=0;delay(250);if(P1_2=0)/時(shí)位的調(diào)整delay(30);if(P1_2=0)hour+;if(hour=24)hour=0;dela

6、y(250);/*整點(diǎn)報(bào)警*/void zhengdian (void)if(seconde=0)&(minite=0)/整點(diǎn)報(bào)時(shí)P1_5=0;delay(1000);P1_5=1;/*定時(shí)鬧鐘*/void dingshi(void)if(P1_3=0) /按住P1_3BU不松，顯示鬧鈴設(shè)置界面，分別按P1_6、P1_7設(shè)置鬧鈴時(shí)間。P2=0XFE;P0=dispcode0;/秒個(gè)位delay(1);P2=0XFD;P0=dispcode0;/秒十位delay(1);P2=0XFB;P0=dispcode10;/間隔符 -delay(1);P2=0XF7;P0=dispcodefen%10;/

7、分個(gè)位delay(1);P2=0XEF;P0=dispcodefen/10;/分十位delay(1);P2=0XDF;P0=dispcode10;/間隔符 -delay(1);P2=0XBF;P0=dispcodeshi%10;/時(shí)個(gè)位delay(1);P2=0X7F;P0=dispcodeshi/10;/時(shí)十位delay(1);if(P1_6=0)/設(shè)定時(shí)delay(30);if(P1_6=0)shi+;if(shi=24)shi=0;delay(250);if(P1_7=0)/設(shè)定分delay(30);if(P1_7=0)fen+;if(fen=60)fen=0;delay(250);if

8、(hour=shi)&(minite=fen)&(seconde=0)/鬧鈴時(shí)間到，報(bào)警十次。for(bjcs=0;bjcs10;bjcs+)P1_5=0;delay(500);P1_5=1;delay(500);/*主函數(shù)*/void main(void)P1=0XFF;TMOD = 0x11; /time0為定時(shí)器，方式1TH0=0x3c; /預(yù)置計(jì)數(shù)初值,50msTL0=0xb0;EA=1; /總中斷開ET0=1; /允許定時(shí)器0中斷TR0=1; /開啟定時(shí)器0 while (1) keyscan(); /按鍵掃描dingshi();/定時(shí)鬧鐘zhengdian();/整點(diǎn)報(bào)時(shí)display(); /顯示時(shí)間void timer0(void) interrupt 1 /定時(shí)器0方式1，50ms中斷一次 TH0=0x3c; /手動(dòng)加載計(jì)數(shù)脈沖