单片机例程C1.doc

#include<reg52.h>（1）sbitD2=P1^2;unsignedinta;voidmain(){D2=0;/*for(a=0;a<=10000;a++){};D2=1;for(a=0;a<=10000;a++){};*/}for(num=0;num<8;num++){P1=temp;beep=0;delay(100);temp=_cror_(temp,1);P1=0xff;beep=1;delay(100);}}while(1);}}voiddelay(uintz){uintx,y;for(x=z;x>0;x--)for(y=110;y>0;y--);}#include<reg52.h>（2）voidmain(){P1=0xfd;}#include<reg52.h>（3）#include<intrins.h>#defineuintunsignedint#defineucharunsignedcharuchartemp,num,num1;sbitbeep=P2^3;voiddelay(uint);voidmain(){temp=0xfe;while(1){for(num1=0;num1<3;num1++){for(num=0;num<8;num++){P1=temp;beep=0;delay(100);temp=_crol_(temp,1);P1=0xff;beep=1;delay(100);}}for(num1=0;num1<3;num1++){#include<reg52.h>（4）sbitp1_1=P1^0unsignedintavoidmain(){while(1){a=51000;p1_1=0;while(a--);a=51000;while(a--);p1_1=1;a=51000;while(a--);a=51000;while(a--);}}#include<reg52.h>（5）#defineuintunsignedint#defineucharunsignedcharsbitD1=P1^0;//voiddelay();voiddelay(uint);voidmain(){while(1){D1=0;delay(100);D1=1;delay(100);}}voiddelay(uintz){uintx;uchary;for(x=z;x>0;x--)for(y=20;y>0;y--);}#include<reg52.h>（7）#defineuintunsignedint#defineucharunsignedcharsbitdula=P2^6;sbitwela=P2^7;ucharnum;ucharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};voiddelay(uintz);voidmain(){wela=1;//11101010P0=0xea;wela=0;while(1){for(num=0;num<16;num++){dula=1;P0=table[num];dula=0;delay(1000);}}}voiddelay(uintz){uintx,y;for(x=z;x>0;x--)for(y=110;y>0;y--);}#include<reg52.h>（6）sbitdula=P2^6;sbitwela=P2^7;voidmain(){wela=1;P0=0xc0;wela=0;dula=1;P0=0x06;dula=0;while(1);}#include<reg52.h>（8）#defineuintunsignedint#defineucharunsignedcharsbitdula=P2^6;sbitwela=P2^7;sbitd1=P1^0;ucharnum;ucharcodetable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};voiddelay(uintz);voidmain(){EA=1;//开总中断EX0=1;//开外部中断0//IT0=1;TCON=0x01;wela=1;//11101010P0=0xea;wela=0;while(1){for(num=0;num<16;num++){d1=1;dula=1;P0=table[num];dula=0;delay(1000);}}}voiddelay(uintz){uintx,y;for(x=z;x>0;x--)for(y=110;y>0;y--);}void