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精品文档点亮一盏灯#include void main() P0=0;/初始化P0 P1=0x80; while(1) P0_4=1;/点亮D0 闪亮一盏灯#include void main() unsigned int i=0; P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) P0_4=1;/闪亮D0;1-0-1-0 for(i=100000;i0;i-); P0_4=0; for(i=100000;i0;i-);循环闪亮#include void main() unsigned int i=0; P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) P0_4=1;/闪亮D0;1-0-1-0 for(i=100000;i0;i-); P0_4=0; for(i=100000;i0;i-); P0_5=1;/闪亮D1;1-0-1-0 for(i=100000;i0;i-); P0_5=0; for(i=100000;i0;i-); P0_6=1;/闪亮D2;1-0-1-0 for(i=100000;i0;i-); P0_6=0; for(i=100000;i0;i-); P0_7=1;/闪亮D3;1-0-1-0 for(i=100000;i0;i-); P0_7=0; for(i=100000;i0;i-); 循环闪亮#include void delay();void main() P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) P0_4=1;/闪亮D0;1-0-1-0 delay(); P0_4=0; delay(); P0_5=1;/闪亮D1;1-0-1-0 delay(); P0_5=0; delay(); P0_6=1;/闪亮D2;1-0-1-0 delay(); P0_6=0; delay(); P0_7=1;/闪亮D3;1-0-1-0 delay(); P0_7=0; delay(); void delay() unsigned int i=0; for(i=100000;i0;i-); 循环闪亮#include void delay();void main() P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) P0=0x10;/闪亮D0;1-0-1-0 delay(); P0=0; delay(); P0=0x20;/闪亮D1;1-0-1-0 delay(); P0=0; delay(); P0=0x40;/闪亮D2;1-0-1-0 delay(); P0=0; delay(); P0=0x80;/闪亮D3;1-0-1-0 delay(); P0=0; delay(); void delay() unsigned int i=0; for(i=100000;i0;i-); 循环点亮#include void delay();void main() unsigned char Tab4=0x10,0x20,0x40,0x80; P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) P0=Tab0;/闪亮D0;1-0-1-0 delay(); P0=0; delay(); P0=Tab1;/闪亮D1;1-0-1-0 delay(); P0=0; delay(); P0=Tab2;/闪亮D2;1-0-1-0 delay(); P0=0; delay(); P0=Tab3;/闪亮D3;1-0-1-0 delay(); P0=0; delay(); void delay() unsigned int i=0; for(i=100000;i0;i-); 循环点亮 #include void delay();void main() unsigned int a=0; unsigned char Tab4=0x10,0x20,0x40,0x80; P0=0; P1=0x0c;/0000 1100 P1_2=0;/244使能 while(1) for(a=0;a0;i-); #include #include void delay();void main() unsigned int a=0; P0=0; P1=0x0c; P1_2=0; while(1) P0=0x10; for(a=0;a0;i-); 数码管点亮5 #include void delay();void main() P0=0; P1=0x0c; P0=0x6d; P1_0=1; delay(); P1_0=0; delay();P0=0xfe;P1_1=1; delay(); P1_1=0; delay();void delay() unsigned int i=0; for(i=100000;i0;i-); 学号 #include void delay();void main() P0=0; P1=0x0c; P0=0x3f;P1_0=1;P1_0=0;P0=0x7f;P1_1=1;P1_1=0;delay();P0=0x6f;P1_0=1;P1_0=0;P0=0xbf;P1_1=1;P1_1=0;delay();P0=0x5b;P1_0=1;P1_0=0;P0=0xdf;P1_1=1;P1_1=0;delay();P0=0x06;P1_0=1;P1_0=0;P0=0xef;P1_1=1;P1_1=0;delay();P0=0x3f;P1_0=1;P1_0=0;P0=0xf7;P1_1=1;P1_1=0;delay();P0=0x7d;P1_0=1;P1_0=0;P0=0xfb;P1_1=1;P1_1=0;delay();P0=0x07;P1_0=1;P1_0=0;P0=0xfd;P1_1=1;P1_1=0;delay();P0=0x5b;P1_0=1;P1_0=0;P0=0xfe;P1_1=1;P1_1=0;delay(); void delay() unsigned int i=0; for(i=100000;i0;i-); #include void delay();void main()unsigned int a=0;unsigned char seg=0x3f,0x6f,0x5b,0x06,0x3f,0x7d,0x07,0x5b;unsigned char dig=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe;for(a=0;a0;i-); 开关K0控制灯 #include #define uint unsigned int#define uchar unsignedcharsbit Key_ce=P13;sbit Dig_ce=P11;sbit Led_ce=P12;void main() bit Stat=0; P0=0; P1=0x0c; Led_ce=0; while(1) P0_4=Stat; P0=0x0e; Dig_ce=1; Dig_ce=0; Key_ce=0; if(P0_0=0) Stat=Stat; Key_ce=1; 开关K0控制灯 #include #define uint unsigned int#define uchar unsignedcharsbit Key_ce=P13;sbit Dig_ce=P11;sbit Led_ce=P12;void delayms(uint);void main() bit Stat=0; P0=0; P1=0x0c; Led_ce=0; while(1) P0_4=Stat; P0=0x0e; Dig_ce=1; Dig_ce=0; Key_ce=0; if(P0_0=0) delayms(10); if(P0_0=0) Stat=Stat; Key_ce=1; void delayms(uint i) uint j;for(i;i0;i-)for(j=10;j0;j-); #include #define uint unsigned int#define uchar unsignedcharsbit Key_ce=P13;sbit Dig_ce=P11;sbit Seg_ce=P10;uchar code seg1=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delayms(uint);void Keyscan();void main() P0=0; P1=0x0c; while(1) Keyscan(); void delayms(uint i) uint j;for(i;i0;i-)for(j=10;j0;j-);void Keyscan() unsigned char Temp1,Temp2,Keynum; P0=0; Seg_ce=1; Seg_ce=0; P0=0xfe; Dig_ce=1; Dig_ce=0; Key_ce=0; Temp1=P0; Temp1=Temp1&0x0f; if(Temp1!=0x0f) delayms(10);Temp2=P0;Temp2=Temp2&0x0f;if(Temp1=Temp2) switch(Temp2) case 0x0e:Keynum=0;break; case 0x0d:Keynum=1;break; case 0x0b:Keynum=2;break; case 0x07:Keynum=3;break; default:break; while(Temp2!=0x0f) Temp2=P0; Temp2=Temp2&0x0f; Key_ce=1;P0=seg1Keynum;Seg_ce=1;Seg_ce=0;P0=0xfe;Dig_ce=1;Dig_ce=0;delayms(1);P0=0; Seg_ce=1; Seg_ce=0; P0=0; P0=0xfd; Dig_ce=1; Dig_ce=0; Key_ce=0; Temp1=P0; Temp1=Temp1&0x0f; if(Temp1!=0x0f) delayms(10);Temp2=P0;Temp2=Temp2&0x0f;if(Temp1=Temp2) switch(Temp2) case 0x0e:Keynum=4;break; case 0x0d:Keynum=5;break; case 0x0b:Keynum=6;break; case 0x07:Keynum=7;break; default:break; while(Temp2!=0x0f) Temp2=P0; Temp2=Temp2&0x0f; Key_ce=1;P0=seg1Keynum;Seg_ce=1;Seg_ce=0;P0=0xfd;Dig_ce=1;Dig_ce=0;delayms(1);P0=0; Seg_ce=1; Seg_ce=0; P0=0; P0=0xfb; Dig_ce=1; Dig_ce=0; Key_ce=0; Temp1=P0; Temp1=Temp1&0x0f; if(Temp1!=0x0f) delayms(10);Temp2=P0;Temp2=Temp2&0x0f;if(Temp1=Temp2) switch(Temp2) case 0x0e:Keynum=8;break; case 0x0d:Keynum=9;break; case 0x0b:Keynum=10;break; case 0x07:Keynum=11;break; default:break; while(Temp2!=0x0f) Temp2=P0; Temp2=Temp2&0x0f; Key_ce=1;P0=seg1Keynum;Seg_ce=1;Seg_ce=0;P0=0xfb;Dig_ce=1;Dig_ce=0;delayms(1); P0=0; Seg_ce=1; Seg_ce=0; P0=0; P0=0xf7; Dig_ce=1; Dig_ce=0; Key_ce=0; Temp1=P0; Temp1=Temp1&0x0f; if(Temp1!=0x0f) delayms(10);Temp2=P0;Temp2=Temp2&0x0f;if(Temp1=Temp2) switch(Temp2) case 0x0e:Keynum=12;break; case 0x0d:Keynum=13;break; case 0x0b:Keynum=14;break; case 0x07:Keynum=15;break; default:break; while(Temp2!=0x0f) Temp2=P0; Temp2=Temp2&0x0f; Key_ce=1;P0=seg1Keynum;Seg_ce=1;Seg_ce=0;P0=0xf7;Dig_ce=1;Dig_ce=0;delayms(1);#include void delay();void main()unsigned int a=0;unsigned char seg=0x3f,0x6f,0x5b,0x06,0x3f,0x7d,0x07,0x5b;unsigned char dig=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe;for(a=0;a0;i-); 开关K0控制灯 #include #define uchar unsignedcharsbit Key_ce=P13;sbit Dig_ce=P11;sbit Led_ce=P12;void main() bit Stat=0; P0=0; P1=0x0c; Led_ce=0; while(1) P0_4=Stat; P0=0x0e; Dig_ce=1; Dig_ce=0; Key_ce=0; if(P0_0=0) Stat=Stat; Key_ce=1; 中断1.1#include void main() bit Stat=1;P0=0;P1=0x0c;P1_2=0;TH0=0x8a;TL0=0xd0; while(1)P0_4=Stat;TMOD=0x01;TR0=1;if(TF0=1) TF0=0; Stat=Stat; TH0=0x8a; TL0=0xd0; 中断1.2#include sbit Stat = P04; void main() P0=0;P1=0x0c;P1_2=0;TH0=0xa8;TL0=0xd0; TMOD=0x01; Stat = 0;IE=0x82;/EA=1;ET0=1 TR0=1; while(1) ; void T0_time() interrupt 1 TH0=0xa8;TL0=0xd0;Stat=Stat; 中断2.1#include sbit Stat=P04;unsigned char a;void main() P0=0;P1=0x0c;P1_2=0;TH0=0xa8;TL0=0xd0; TMOD=0x01;IE=0x82;/EA=1;ET0=1TR0=1;Stat=0;while(1) if(a = 10) Stat = Stat; a = 0; void T0_time() interrupt 1 a+; TH0=0xa8;TL0=0xd0; 中断2.2#include sbit Stat=P04;unsigned char a;

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