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#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit RS=P1^7;
sbit RW=P1^6;
sbit E=P1^5;
sbit PSB=P0^7; //硬件上的串口,并口選擇位,此開(kāi)發(fā)板用的是并口,此位置1為并口
uchar code table_7[]={"("};
uchar code table_8[]={")"};
uchar code table_9[]={" "};
uchar code table_b[]={"請(qǐng)刷卡"};
uchar code table_c[]={"密碼錯(cuò)!"};
uchar code table_d[]={"請(qǐng)接射頻卡模塊!"};
/////延時(shí)函數(shù)//////////////////////////////////
void delay1(unsigned int z)
{
unsigned int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
///////////////////////////////////////////////
//////寫(xiě)命令////////////////////////////////////
void WriteCommand(uchar a)
{
E=0; //1讀取信息；1-0下降沿執(zhí)行指令
RS=0; //0=寫(xiě)指令；1=寫(xiě)數(shù)據(jù)
RW=0; //0=寫(xiě)指令或數(shù)據(jù)；1=讀LCD信息
E=1; //讀信息
P2=a; //寫(xiě)指令
delay1(5); //延時(shí)
E=0; //執(zhí)行指令
delay1(5); //延時(shí)
}
//////////////////////////////////////////////////
//////寫(xiě)數(shù)據(jù)//////////////////////////////////////
void WriteData(uchar b)
{
E=0; //執(zhí)行指令
RS=1; //寫(xiě)數(shù)據(jù)
RW=0; //寫(xiě)數(shù)據(jù)
E=1; //讀取信息
P2=b; //寫(xiě)數(shù)據(jù)
delay1(5); //延時(shí)
E=0; //執(zhí)行指令
delay1(5); //延時(shí)
}
void initial_LCD()
{
PSB=1; //選擇為并口
WriteCommand(0x01); //清屏
WriteCommand(0x30); //功能設(shè)置。8字節(jié)界面，基本指令集。（0011 x0xx）
WriteCommand(0x0c); //顯示設(shè)置。整體顯示，光標(biāo)不顯示，光標(biāo)不反向。（0000 1110）
WriteCommand(0x06); //輸入方式設(shè)置。光標(biāo)右移，地址位加1；整體右移。（0000 0110)
// WriteCommand(0x14); //光標(biāo)右移。
}
void LCD_Data(uchar LCDbyte )
{
unsigned char count;
count=(LCDbyte&0xf0)>>4;
if (count>0x9) WriteData(count%9+0x40);
else WriteData(count+0x30);
count=LCDbyte&0x0f;
if (count>9) WriteData(count%9+0x40);
else WriteData(count+0x30);
}
/**********舉例：LCD_PutString(1,1,"設(shè)置濕度上限");***********/
void LCD_PutString(unsigned char x,unsigned char y,uchar *s)
{
switch(y)
{
case 1: WriteCommand(0x80+x);break;
case 2: WriteCommand(0x90+x);break;
case 3: WriteCommand(0x88+x);break;
case 4: WriteCommand(0x98+x);break;
default:break;
}
while(*s>0)
{
WriteData(*s);
s++;
delay1(10);
}
}
void dis_Request1()
{
uchar i;
WriteCommand(0x9b);
for (i=1;i<=1;i++)
WriteData(table_7[i-1]) ;
WriteCommand(0x9c);
for (i=1;i<=1;i++)
WriteData(table_8[i-1]) ;
}
void dis_Request2()
{
uchar i;
WriteCommand(0x9a);
for (i=1;i<=1;i++)
WriteData(table_7[i-1]) ;
WriteCommand(0x9d);
for (i=1;i<=1;i++)
WriteData(table_8[i-1]) ;
}
void dis_Request3()
{
uchar i;
WriteCommand(0x99);
for (i=1;i<=1;i++)
WriteData(table_7[i-1]) ;
WriteCommand(0x9e);
for (i=1;i<=1;i++)
WriteData(table_8[i-1]) ;
}
void DispalyLcd1()
{
unsigned char i;
WriteCommand(0x98);
for (i=1;i<=16;i++)
WriteData(table_9[i-1]) ;
}
void DispalyLcd_home() //工作模式
{
LCD_PutString(1,1,"門禁卡系統(tǒng)");
LCD_PutString(2,2,"工作模式");
LCD_PutString(2,3,"請(qǐng)刷卡");
}
void DispalyLcd_home1() //注冊(cè)模式
{
LCD_PutString(1,1,"門禁卡系統(tǒng)");
LCD_PutString(2,2,"注冊(cè)模式");
LCD_PutString(2,3,"請(qǐng)刷卡");
}
void DispalyLcd_home2() //清除模式
{
LCD_PutString(1,1,"門禁卡系統(tǒng)");
LCD_PutString(2,2,"注銷模式");
LCD_PutString(2,3,"請(qǐng)刷卡");
}
void dis_passerror()
{
unsigned char i;
WriteCommand(0x88);
for (i=1;i<=16;i++)
WriteData(table_9[i-1]) ;
DispalyLcd1();
WriteCommand(0x9a);
for (i=1;i<=7;i++)
WriteData(table_c[i-1]) ;
}
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