门禁系统源程序.docx

#include #include #defineDATAP0 /1602驱动端口sbit RS=P20;sbit RW=P21;sbit E=P22;sbit KA=P27;int Pre_KeyNo=16,KeyNo=16;void delayMs( int x);void Keys_Scan();void Busy()/LED液晶是否忙碌DATA = 0xff;RS = 0;RW = 1; while(DATA & 0x80) E = 0; E = 1; E = 0;/LED写指令程序void WriteCommand(unsigned char btCommand)Busy();RS = 0;RW = 0;E = 1;DATA = btCommand;E = 0;/LED写数据程序void WriteData(unsigned char btData)Busy();RS = 1;RW = 0;E = 1;DATA = btData;E = 0;/LED清屏显示void Clear()WriteCommand(1);/LED初始化void Init() WriteCommand(0x0c);/开显示,无光标显示WriteCommand(0x06);/文字不动，光标自动右移WriteCommand(0x38);/设置显示模式:8位2行5x7点阵 WriteCommand(0x40); /for(i=0;i40x0f;switch(Tmp)case 1:KeyNo+=0; break;case 2:KeyNo+=4; break;case 4:KeyNo+=8; break;case 8:KeyNo+=12;void delayMs( int x)char t;while(x-)for(t=0;t120;t+);void main() int hang=0,c=0; int i,j=0; unsigned char tab12,tab112=1,1,1,1,1,1; unsigned char tab3=welcome to .; unsigned char tab4=alter password.; unsigned char tab5=OK; unsigned char tab6=NO; Init();loop1:Clear(); i=0; KeyNo=16; while(1) WriteCommand(0x80); for(c=0;c=0&KeyNo=9) tabi+=KeyNo; DisplayOne(1,i, *,0); /DisplayOne(0,i, KeyNo,1); if(KeyNo=14) while(P1!=0xf0); goto loop1; if(KeyNo=11)KA=1; if(KeyNo=10) for(j=0;j6;j+) if(tabj!=tab1j)break; if(j=6) KA=0; for(j=0;j6;j+) tabj=0; while(P1!=0xf0); goto loop1; if(KeyNo=12) i=0; WriteCommand(0x80); for(c=0;c=0&KeyNo=9) tab1i+=KeyNo; DisplayOne(1,i, *,0); / DisplayOne(0,i, KeyNo,1); while(P1