12864显示程序

ID:321297 · 发表于 2018-5-3 15:38

#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,并口选择位,此开发板用的是并口,此位置1为并口
uchar code table_7[]={"("};
uchar code table_8[]={")"};
uchar code table_9[]={"             "};
uchar code table_b[]={"请刷卡"};
uchar code table_c[]={"密码错!"};
uchar code table_d[]={"请接射频卡模块!"};
/////延时函数//////////////////////////////////
void delay1(unsigned int z)
{
unsigned int x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
///////////////////////////////////////////////
//////写命令////////////////////////////////////
void WriteCommand(uchar a)
{
   E=0;  //1读取信息；1-0下降沿执行指令
   RS=0;  //0=写指令；1=写数据
   RW=0;  //0=写指令或数据；1=读LCD信息
   E=1;  //读信息
   P2=a;  //写指令
   delay1(5);          //延时
   E=0; //执行指令
   delay1(5);          //延时
}
//////////////////////////////////////////////////

//////写数据//////////////////////////////////////
void WriteData(uchar b)
{

   E=0; //执行指令
   RS=1; //写数据
   RW=0; //写数据
   E=1; //读取信息
   P2=b; //写数据
   delay1(5);    //延时
   E=0;    //执行指令
   delay1(5);    //延时
}
void initial_LCD()
{

      PSB=1;    //选择为并口
   WriteCommand(0x01);  //清屏
   WriteCommand(0x30);  //功能设置。8字节界面，基本指令集。（0011 x0xx）
   WriteCommand(0x0c);  //显示设置。整体显示，光标不显示，光标不反向。（0000 1110）
   WriteCommand(0x06); //输入方式设置。光标右移，地址位加1；整体右移。（0000 0110)
// WriteCommand(0x14); //光标右移。
}

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);
}

/**********举例：LCD_PutString(1,1,"设置湿度上限");***********/
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,"门禁卡系统");
   LCD_PutString(2,2,"工作模式");
   LCD_PutString(2,3,"请刷卡");
}

void DispalyLcd_home1() //注册模式
{
   LCD_PutString(1,1,"门禁卡系统");
   LCD_PutString(2,2,"注册模式");
   LCD_PutString(2,3,"请刷卡");
}
void DispalyLcd_home2() //清除模式
{
   LCD_PutString(1,1,"门禁卡系统");
   LCD_PutString(2,2,"注销模式");
   LCD_PutString(2,3,"请刷卡");
}

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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