1024手机基地看电影,午夜福利视频导航,国产精品福利在线一区,亚洲欧美日韩另类成人,在线观看午夜日本理论片,成年超爽免费网站,国产精品成人免费,精品动作一级毛片,成人免费观看网站,97精品伊人久久大香蕉

標(biāo)題: 12864 按鍵顯示 [打印本頁(yè)]

作者: 王天張 時(shí)間: 2018-6-5 08:54
標(biāo)題: 12864 按鍵顯示
------------------------------------------------*/
#include <reg52.h>
#include <intrins.h>
#include "delay.h"

sbit RS = P2^4;
sbit RW = P2^5;
sbit E  = P2^6;
sbit RES = P2^3;
sbit PSB = P2^1;
sbit PAUSE = P3^0;

#define DataPort P0       //單片機(jī) P0<------> 液晶DB0-DB7

sbit KEY_ADD=P3^3;       //定義按鍵輸入端口
sbit KEY_DEC=P3^4;

unsigned char curr,currold;//全局變量，當(dāng)前箭頭位置

unsigned char code user16x16[]={ //箭頭圖片
0x00,0x00,0x20,0x00,0x30,0x00,0x38,0x00,0x3C,0x00,0x3E,0x00,0x3F,0x00,0x3F,0x80,
0x3F,0xC0,0x3F,0x80,0x3F,0x00,0x3E,0x00,0x3C,0x00,0x38,0x00,0x30,0x00,0x20,0x00,

};
unsigned char code *MainMenu[]=
{
{"  1.設(shè)置1"},
{"  2.設(shè)置2"},
{"  3.設(shè)置3"},
{"  4.設(shè)置4"},
{"  5.設(shè)置5"},
{"  6.設(shè)置6"},
{"  7.設(shè)置7"},
{"  8.設(shè)置8"},
{"  9.設(shè)置9"},
{"  10. 設(shè)置10"},
};
/*------------------------------------------------
                  檢測(cè)忙位
------------------------------------------------*/
void Check_Busy()
{
RS=0;
RW=1;
E=1;
DataPort=0xff;
while((DataPort&0x80)==0x80);//忙則等待
E=0;
}
/*------------------------------------------------
               寫(xiě)命令
------------------------------------------------*/
void Write_Cmd(unsigned char Cmd)
{
Check_Busy();
RS=0;
RW=0;
E=1;
DataPort=Cmd;
DelayUs2x(5);
E=0;
DelayUs2x(5);
}
/*------------------------------------------------
                  寫(xiě)數(shù)據(jù)
------------------------------------------------*/
void Write_Data(unsigned char Data)
{
Check_Busy();
RS=1;
RW=0;
E=1;
DataPort=Data;
DelayUs2x(5);
E=0;
DelayUs2x(5);
}
/*------------------------------------------------
               液晶屏初始化
------------------------------------------------*/
void Init_ST7920()
{
DelayMs(40);          //大于40MS的延時(shí)程序
PSB=1;                //設(shè)置為8BIT并口工作模式
DelayMs(1);          //延時(shí)
RES=0;                //復(fù)位
DelayMs(1);          //延時(shí)
RES=1;                //復(fù)位置高
DelayMs(10);
Write_Cmd(0x30);    //選擇基本指令集
DelayUs2x(50);       //延時(shí)大于100us
Write_Cmd(0x30);    //選擇8bit數(shù)據(jù)流
DelayUs2x(20);       //延時(shí)大于37us
Write_Cmd(0x0c);    //開(kāi)顯示(無(wú)游標(biāo)、不反白)
DelayUs2x(50);       //延時(shí)大于100us
Write_Cmd(0x01);    //清除顯示，并且設(shè)定地址指針為00H
DelayMs(15);          //延時(shí)大于10ms
Write_Cmd(0x06);    //指定在資料的讀取及寫(xiě)入時(shí)，設(shè)定游標(biāo)的移動(dòng)方向及指定顯示的移位，光標(biāo)從右向左加1位移動(dòng)
DelayUs2x(50);       //延時(shí)大于100us
}
/*------------------------------------------------
               用戶自定義字符
------------------------------------------------*/
void CGRAM()
{
   int i;
   Write_Cmd(0x30);
   Write_Cmd(0x40);
   for(i=0;i<16;i++)
   {
      Write_Data(user16x16[i*2]);
      Write_Data(user16x16[i*2+1]);
   }
}
/*------------------------------------------------
               顯示用戶自定義字符
------------------------------------------------*/
void DisplayCGRAM(unsigned char x,unsigned char y)
{
switch(y)
   {
   case 1: Write_Cmd(0x80+x);break;
   case 2: Write_Cmd(0x90+x);break;
   case 3: Write_Cmd(0x88+x);break;
   case 4: Write_Cmd(0x98+x);break;
   default:break;
   }
Write_Data(00);
Write_Data(00);

}
/*------------------------------------------------
               顯示字符串
x:橫坐標(biāo)值，范圍0~8
y:縱坐標(biāo)值，范圍1~4
------------------------------------------------*/
void LCD_PutString(unsigned char x,unsigned char y,unsigned char code *s)
{
switch(y)
   {
   case 1: Write_Cmd(0x80+x);break;
   case 2: Write_Cmd(0x90+x);break;
   case 3: Write_Cmd(0x88+x);break;
   case 4: Write_Cmd(0x98+x);break;
   default:break;
   }
while(*s>0)
{
   Write_Data(*s);
   s++;
   DelayUs2x(50);
}
}
/*------------------------------------------------
                  清屏
------------------------------------------------*/
void ClrScreen()
{
Write_Cmd(0x01);
DelayMs(15);
}

/*------------------------------------------------
               顯示圖片
------------------------------------------------*/
/*void LCD_PutGraphic(unsigned char code *img)
{
int i,j;
//顯示上半屏內(nèi)容設(shè)置
for(i=0;i<32;i++)
{
   Write_Cmd(0x80 + i); //SET  垂直地址 VERTICAL ADD
   Write_Cmd(0x80);    //SET  水平地址 HORIZONTAL ADD
   for(j=0;j<16;j++)
   {
      Write_Data(*img);
      img++;
   }
}
//顯示下半屏內(nèi)容設(shè)置
for(i=0;i<32;i++)
{
   Write_Cmd(0x80 + i); //SET 垂直地址 VERTICAL ADD
   Write_Cmd(0x88);    //SET 水平地址 HORIZONTAL ADD
   for(j=0;j<16;j++)
   {
      Write_Data(*img);
      img++;
   }
}

}*/
/*------------------------------------------------
               設(shè)置到繪圖模式
------------------------------------------------*/
/*void SetGraphicMode()
{
Write_Cmd(0x36);    //選擇8bit數(shù)據(jù)流圖形模式
DelayUs2x(20);

}*/
/*------------------------------------------------
               調(diào)用顯示更新
------------------------------------------------*/
void DisplayUpdata(void)
{
unsigned char num;
ClrScreen();
num=sizeof(MainMenu)/sizeof(MainMenu[0]);//判斷數(shù)組中數(shù)值個(gè)數(shù)
if((0+(curr/4)*4)<num)
   LCD_PutString(0,1,MainMenu[0+(curr/4)*4]);
else //如果超出數(shù)組最大元素，則寫(xiě)空信息，不判斷此信息可能會(huì)出現(xiàn)亂碼
   LCD_PutString(0,1,"");
if((1+(curr/4)*4)<num)
   LCD_PutString(0,2,MainMenu[1+(curr/4)*4]);
else
   LCD_PutString(0,2,"");
if((2+(curr/4)*4)<num)
   LCD_PutString(0,3,MainMenu[2+(curr/4)*4]);
else
   LCD_PutString(0,3,"");
if((3+(curr/4)*4)<num)
   LCD_PutString(0,4,MainMenu[3+(curr/4)*4]);
else
   LCD_PutString(0,4,"");
DisplayCGRAM(0,curr%4+1);
}
/*------------------------------------------------
               主程序
------------------------------------------------*/
main()
{

  Init_ST7920(); //初始化
  CGRAM();    //寫(xiě)入自定義字符
  DisplayUpdata();
while(1)
{


if(curr!=currold) //光標(biāo)位置變化，則更新顯示
{
DisplayUpdata();
currold=curr;
}

if(!KEY_ADD)  //如果檢測(cè)到低電平，說(shuō)明按鍵按下
{
   DelayMs(10); //延時(shí)去抖，一般10-20ms
   if(!KEY_ADD)    //再次確認(rèn)按鍵是否按下，沒(méi)有按下則退出
   {
      while(!KEY_ADD);//如果確認(rèn)按下按鍵等待按鍵釋放，沒(méi)有釋放則一直等待
         {
   if(curr<sizeof(MainMenu)/sizeof(MainMenu[0])-1)//判斷數(shù)組中數(shù)值個(gè)數(shù)
      {
   curr++;
            }
}
   }
}

if(!KEY_DEC)  //如果檢測(cè)到低電平，說(shuō)明按鍵按下
{
   DelayMs(10); //延時(shí)去抖，一般10-20ms
   if(!KEY_DEC)    //再次確認(rèn)按鍵是否按下，沒(méi)有按下則退出
   {
      while(!KEY_DEC);//如果確認(rèn)按下按鍵等待按鍵釋放，沒(méi)有釋放則一直等待
         {
         if(curr>0)
      {
   curr--;

            }
        }
   }
}
  }
}

作者: 34421484 時(shí)間: 2018-6-29 16:19
有原理圖嗎？大佬

作者: duhuan502 時(shí)間: 2018-7-31 18:35
這個(gè)程序我試過(guò)了可以用，但是后面怎么實(shí)現(xiàn)翻頁(yè)呢？反白？還是清除顯示？多級(jí)菜單真不好做

歡迎光臨 (http://www.raoushi.com/bbs/)

<tbody id="i0ygk"></tbody>