简单的单片机程序.doc

1：灯闪烁越来越慢程序： #include void delay() static unsigned int k=1; unsigned int i,j; k+; for(i=0;i1000;i+) for(j=0;jk;j+); void main() while(1) P0=P0; delay(); 2：按顺序闪烁 #include void main() unsigned char aa=0xff; while(1) P0=aa; aa=aa1; if(aa=0x00) aa=0xff; #include#includevoid delay() unsigned int i; for(i=1;i30000;i+);void main() unsigned char GPIO_LED=0xfe; while(1) GPIO_LED=_crol_(GPIO_LED,1); delay(); P0=GPIO_LED; 连续闪灯# includevoid delay(unsigned int k) unsigned int i,j; for(i=0;i500;i+); for(j=0;jk;j+);void main() while(1) P0=P0; delay(500); # includevoid delay() unsigned int j; for(j=0;j30000;j+); void main() unsigned char i=0; while(1) if(i=0) P0=0x01;i+;delay(); else if(i=1) P0=0x02;i+;delay(); else if(i=2) P0=0x04;i+;delay(); else if(i=3) P0=0x08;i=0;delay(); case程序的应用：#includevoid main() unsigned char i=0; while(1) switch(i) case 0:P0=0x01; case 1:P0=0x02; case 2:P0=0x04; case 3:P0=0x08; default :P0=0x00; 逻辑位#includevoid main() unsigned char aa; while(1) aa=0xcc|0xf0; P0=aa; #includeunsigned int i,j;void delay1() for(i=0;i500;i+) for(j=0;j100;j+);void delay2() for(i=0;i100;i+) for(j=0;j50;j+);void main() while(1) P0=0xff; delay1(); P0=0x00; delay2(); 类似交通灯# includevoid delay() unsigned int j; for(j=0;j41000;j+); void main() unsigned char i=0; while(1) if(i=0) P0=0x03;i+;delay(); else if(i=1) P0=0x0c;i+;delay(); else if(i=2) P0=0x30;i+;delay(); else if(i=3) P0=0xc0;i=0;delay(); 或者#includevoid delay() unsigned int j; for(j=0;j41000;j+); void main() unsigned char i=0; while(1) switch(i) case 0:P0=0x03;delay(); case 1:P0=0x0c;delay(); case 2:P0=0x30;delay(); case 3:P0=0xc0;delay(); default :P0=0x00;delay(); #include unsigned char aa;void main() aa=0xfe; P0=aa; TMOD=0x01; TR0=1 ; TH0=0xff; TL0=0xfe; while(1) if(TF0=1) TF0=0; TH0=0xff; TL0=0xfe; aa=_crol_(aa,1); P0=aa; 间隔千分之一秒闪烁#includevoid main() P0=0xff; TMOD=0x01; TR0=1; TH0=0xD8; TL0=0xEF; while(1) if(TF0=1) P0=P0; TH0=0xD8; TL0=0xEF; 间隔0.5s#includeunsigned int i=0;void main() P0=0xff; TMOD=0x01; TR0=1; TH0=0xD8; TL0=0xEF; while(1) if(TF0=1) TF0=0; TH0=0xD8; TL0=0xEF; i+; if(i=50) i=0;P0=P0; #include#includeunsigned char aa=0xfe;unsigned int i=0;void main() EA=1; EX1=1; IT1=0; while(1);void InterruptTimer1() interrupt 2 aa=_crol_(aa,1); P0=aa; for(i=0;i20000;i+);按键LED及电机用按键2来控制灯亮#includeunsigned char aa=0xfe;unsigned int i=0;void main() EA=1; EX1=1; IT1=1; while(1);void InterruptTimer1( )interrupt 2 aa=_crol_(aa,1); P2=aa; for(i=0;i5000;i+);用按键1来控制灯亮#include#includeunsigned char aa=0xfe;unsigned int i=0;void main() EA=1; EX0=1; IT0=1; while(1);void InterruptTimer1()interrupt 0 aa=_crol_(aa,1); P2=aa; for(i=0;i5000;i+);两个按键都可用#include#includeunsigned char aa=0xfe;unsigned int i=0;void main() EA=1; EX0=1; EX1=1; IT0=1; IT1=1; while(1);void aaa0()interrupt 0 aa=_crol_(aa,1); P2=aa; for(i=0;i5000;i+);void aaa1()interrupt 2 aa=_cror_(aa,1); P2=aa; for(i=0;i5000;i+);一个开关控制开，一个开关控制关，关的优先 #includeunsigned char aa=0x80;unsigned char bb=0x00;unsigned int i=0;void main() EA=1; EX0=1; EX1=1; PX0=1; while(1);void aaa0()interrupt 2 P2=aa;void aaa1()interrupt 0 P2=bb;2015-12-24#includeunsigned char table1=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0xf82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e;unsigned char table2=0x01,0x02,0x04,0x08;void main() unsigned char j=0; while(1) switch(j) case 0:P3=table20;P2=table11;j+;break; case 1:P3=table21;P2=table12;j+;break; case 2:P3=table22;P2=table13;j+;break; case 3:P3=table23;P2=table14;j+;break; case 4:j=0;break; 心型程序#includeunsigned char codeimage1=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe;unsigned char codeimage2=0xff,0x99,0x00,0x00,0x00,0x81,0xc3,0xe7;void delay(unsigned int n) unsigned int i=0; for(i=0;in;i+); void main() unsigned char j=0; while(1) switch(j) case 0:P2=image10;j+;P3=image20;delay(10);break; case 1:P2=image11;j+;P3=image21;delay(10);break; case 2:P2=image12;j+;P3=image22;delay(10);break; case 3:P2=image13;j+;P3=image23;delay(10);break; case 4:P2=im