程序代码文档.doc

#include unsigned char code table=0xf1,0xf3,0xf2,0xf6,0xf4,0xfc,0xf8,0xf9,0x00,0xf1,0xf9,0xf8,0xfc,0xf4,0xf6,0xf2,0xf3,0x00;unsigned char temp,temp_old;unsigned char key;unsigned char i,j,k,m,s;void delay(int i) for(m=i;m0;m-) for(j=250;j0;j-) for(k=10;k0;k-); void saomiao() P3=0xff; P3_4=0; temp=P3; temp=temp&0x0f; if(temp!=0x0f) for(i=50;i0;i-) for(j=200;j0;j-); temp=P3; temp=temp&0x0f; if(temp!=0x0f) temp=P3; temp=temp&0x0f; switch(temp) case 0x0e: key=1; break; case 0x0d: key=2; break; case 0x0b: key=3; break; case 0x07: key=4; break; temp=P3; temp=temp&0x0f; while(temp!=0x0f) temp=P3; temp=temp&0x0f; P3=0xff; P3_5=0; temp=P3; temp=temp&0x0f; if(temp!=0x0f) for(i=50;i0;i-) for(j=200;j0;j-); temp=P3; temp=temp&0x0f; if(temp!=0x0f) temp=P3; temp=temp&0x0f; switch(temp) case 0x0d: key=5; break; case 0x0b: key=6; break; case 0x07: key=7; break; temp=P3; temp=temp&0x0f; while(temp!=0x0f) temp=P3; temp=temp&0x0f; void main(void) while(1) saomiao(); if(key=1) P1=0; P2=0; saomiao(); if(key=2) temp_old=key; for(s=0;s8;s+) P2=tables; P1_4=0; delay(13); saomiao(); if(key!=temp_old) P1_4=1; break; if(key=3) temp_old=key; for(s=0;s8;s+) P2=tables; P1_5=0; delay(5); saomiao(); if(key!=temp_old) P1_5=1; break; if(key=4) temp_old=key; for(s=0;s8;s+) P2=tables; P1_6=0; delay(20); saomiao(); if(key!=temp_old) P1_6=1; break; if(key=5) temp_old=key; for(s=9;s17;s+) P2=tables; P1_7=0; delay(13); saomiao(); if(key!=temp_old) P1_7=1; break; if(key=6) temp_old=key; for(s=9;s17;s+) P2=tables; P1_5=0; delay(5); saomiao(); if(key!=temp_old) P1_5=1; break; if(key=7) temp_old=key; for(s=9