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標(biāo)題: 仿真LCD12864咋就點(diǎn)不亮呢？電路圖應(yīng)該沒有問題吧 [打印本頁]

作者: 無限飛翔 時(shí)間: 2021-1-16 15:49
標(biāo)題: 仿真LCD12864咋就點(diǎn)不亮呢？電路圖應(yīng)該沒有問題吧

電路圖應(yīng)該沒有問題吧，這個(gè)12864就是搞不亮？
在網(wǎng)上找個(gè)了程序該不該就是點(diǎn)不亮。
#include <reg51.h>
#define LCDLCDDisp_Off 0x3e
#define LCDLCDDisp_On 0x3f
#define Page_Add    0xb8//頁地址
#define LCDCol_Add    0x40//列地址
#define Start_Line    0xC0//行地址
/*****液晶顯示器的端口定義*****/
#define data_ora P0 /*液晶數(shù)據(jù)總線*/
sbit LCDMcs=P2^4 ; /*片選1*/
sbit LCDScs=P2^3 ; /*片選2*/
sbit LCDDi=P2^2 ;    /*數(shù)據(jù)/指令選擇*/
sbit LCDRW=P2^1 ;    /*讀/寫選擇*/
sbit LCDEnable=P2^0 ;    /*讀/寫使能*/

unsigned char code Bmp1[]=
{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x20,0x20,0x24,0x24,0x24,0xE4,0x24,0x20,0x20,0xFE,0x20,0x24,0x28,0x20,
0x00,0x20,0xC2,0x0C,0x80,0x60,0x04,0x7C,0x84,0x04,0x04,0xC4,0x3E,0x04,0x00,0x00,
0x88,0x88,0xF8,0x88,0x88,0x00,0xFC,0x24,0x24,0xFC,0x24,0x24,0xFE,0x04,0x00,0x00,
0x08,0x08,0x08,0x08,0x08,0xF8,0x08,0x08,0x08,0x08,0x0C,0x08,0x00,0x00,0x20,0x20,
0x20,0x20,0x20,0x20,0xFE,0x20,0x20,0x20,0x20,0x20,0x30,0x20,0x00,0x40,0x30,0x10,
0x52,0x5C,0x50,0x52,0x5C,0x50,0xD8,0x56,0x10,0x50,0x30,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x20,0x60,0x3F,0x20,0x20,0x1F,0x12,0x12,0x10,0x07,0x18,0x20,0x40,0x78,
0x00,0x04,0x04,0x7E,0x41,0x40,0x20,0x10,0x0B,0x04,0x0B,0x10,0x20,0x60,0x20,0x00,
0x10,0x30,0x1F,0x08,0x48,0x40,0x4B,0x49,0x49,0x7F,0x49,0x49,0x6B,0x40,0x08,0x20,
0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x30,0x20,0x00,0x40,0x40,
0x20,0x10,0x08,0x06,0x01,0x02,0x04,0x08,0x10,0x20,0x60,0x20,0x00,0x04,0x04,0x04,
0x04,0x04,0x24,0x44,0x3F,0x05,0x04,0x04,0x04,0x06,0x04,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
unsigned char code Bmp2[]=
{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x80,0x40,0xF0,0x0E,0x00,0x28,0x28,0x28,0x2A,0x2C,0x28,0x28,0x28,0x08,0x00,
0x00,0x00,0x00,0xF8,0xA8,0xAC,0xAA,0xA8,0xA8,0xA8,0xFC,0x08,0x00,0x00,0x00,0x00,
0x08,0x08,0x08,0x08,0x08,0xF8,0x08,0x08,0x08,0x08,0x0C,0x08,0x00,0x00,0x20,0x24,
0xA4,0xFC,0x26,0x24,0x00,0x7C,0x24,0x24,0x24,0x24,0x7C,0x00,0x00,0x40,0x30,0x10,
0x52,0x5C,0x50,0x52,0x5C,0x50,0xD8,0x56,0x10,0x50,0x30,0x00,0x00,0xFC,0x04,0x64,
0x9C,0x20,0x58,0x48,0x4A,0x4C,0x48,0x48,0x18,0x08,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x7F,0x00,0x00,0x01,0x7D,0x25,0x25,0x25,0x25,0x7D,0x01,0x00,0x00,
0x00,0x20,0x18,0x03,0x3A,0x42,0x46,0x5A,0x42,0x42,0x73,0x00,0x08,0x30,0x00,0x20,
0x20,0x20,0x20,0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x30,0x20,0x00,0x08,0x06,
0x01,0x7F,0x01,0x42,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x41,0x00,0x04,0x04,0x04,
0x04,0x04,0x24,0x44,0x3F,0x05,0x04,0x04,0x04,0x06,0x04,0x00,0x00,0x7F,0x04,0x08,
0x47,0x41,0x21,0x1F,0x01,0x01,0x3F,0x41,0x41,0x79,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
unsigned char code Bmp3[]=
{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x42,
0xCC,0x00,0x00,0xF4,0x54,0x5C,0xF4,0x5C,0x56,0xF4,0x00,0x00,0x00,0x80,0x40,0xF0,
0x0E,0x00,0x28,0x28,0x28,0x2A,0x2C,0x28,0x28,0x28,0x08,0x00,0x00,0x08,0x08,0x08,
0x08,0x08,0xF8,0x08,0x08,0x08,0x08,0x0C,0x08,0x00,0x00,0x20,0x24,0xA4,0xFC,0x26,
0x24,0x00,0x7C,0x24,0x24,0x24,0x24,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x10,
0x0F,0x10,0x20,0x5F,0x42,0x42,0x5F,0x42,0x52,0x5F,0x40,0x40,0x00,0x00,0x00,0x7F,
0x00,0x00,0x01,0x7D,0x25,0x25,0x25,0x25,0x7D,0x01,0x00,0x00,0x20,0x20,0x20,0x20,
0x20,0x20,0x3F,0x20,0x20,0x20,0x20,0x20,0x30,0x20,0x00,0x08,0x06,0x01,0x7F,0x01,
0x42,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x41,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
unsigned char code Bmp4[]=
{

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x20,0x10,0x10,0x20,0xC0,0x00,0x00,0xC0,
0x20,0x10,0x10,0x30,0x00,0x00,0x00,0xC0,0x20,0x10,0x10,0x20,0xC0,0x00,0x00,0xC0,
0x20,0x10,0x10,0x30,0x00,0x00,0x44,0x44,0xFC,0x44,0x04,0xC0,0x00,0xFE,0x84,0x84,
0xFC,0x84,0x84,0x84,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,0x00,0x1F,
0x22,0x21,0x21,0x21,0x1E,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,0x00,0x1F,
0x22,0x21,0x21,0x21,0x1E,0x00,0x10,0x10,0x0F,0x48,0x28,0x11,0x08,0x27,0x20,0x20,
0x3F,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};
/****************************************************************************
函數(shù)功能:LCD延時(shí)程序
入口參數(shù):t
出口參數(shù):
****************************************************************************/
void LCDdelay(unsigned int t)
{
      unsigned int i,j;
      for(i=0;i<t;i++);
      for(j=0;j<10;j++);
}
/****************************************************************************
狀態(tài)檢查，LCD是否忙

*****************************************************************************/
void CheckState()
{
unsigned char dat,DATA;//狀態(tài)信息（判斷是否忙）
LCDDi=0; // 數(shù)據(jù)\指令選擇，D/I（RS）="L" ，表示 DB7∽DB0 為顯示指令數(shù)據(jù)
LCDRW=1; //R/W="H" ，E="H"數(shù)據(jù)被讀到DB7∽DB0
do
{
   DATA=0x00;
   LCDEnable=1;       //EN下降源
      LCDdelay(2);//延時(shí)
      dat=DATA;
   LCDEnable=0;
   dat=0x80 & dat; //僅當(dāng)?shù)?位為0時(shí)才可操作(判別busy信號)
}
while(!(dat==0x00));
}
/*****************************************************************************
函數(shù)功能:寫命令到LCD程序，RS(DI)=L,RW=L,EN=H，即來一個(gè)脈沖寫一次
入口參數(shù):cmdcode
出口參數(shù):
*****************************************************************************/
void write_com(unsigned char cmdcode)
{
CheckState();//檢測LCD是否忙
      LCDDi=0;
      LCDRW=0;
      P1=cmdcode;
      LCDdelay(2);
      LCDEnable=1;
      LCDdelay(2);
      LCDEnable=0;
}
/*****************************************************************************
函數(shù)功能:LCD初始化程序
入口參數(shù):
出口參數(shù):
*****************************************************************************/
void init_lcd()
{
      LCDdelay(100);
      LCDMcs=1;//剛開始關(guān)閉兩屏
      LCDScs=1;
      LCDdelay(100);
      write_com(LCDLCDDisp_Off);       //寫初始化命令
      write_com(Page_Add+0);
      write_com(Start_Line+0);
      write_com(LCDCol_Add+0);
      write_com(LCDLCDDisp_On);
}
/*****************************************************************************
函數(shù)功能:寫數(shù)據(jù)到LCD程序，RS(DI)=H,RW=L,EN=H，即來一個(gè)脈沖寫一次
入口參數(shù):LCDDispdata
出口參數(shù):
*****************************************************************************/
void write_data(unsigned char LCDDispdata)
{
CheckState();//檢測LCD是否忙
      LCDDi=1;
      LCDRW=0;
      P1=LCDDispdata;
      LCDdelay(2);
      LCDEnable=1;
      LCDdelay(2);
      LCDEnable=0;
}
/*****************************************************************************
函數(shù)功能:清除LCD內(nèi)存程序
入口參數(shù):pag,col,hzk
出口參數(shù):
*****************************************************************************/
void Clr_Scr()
{
      unsigned char j,k;
      LCDMcs=0; //左、右屏均開顯示
      LCDScs=0;
      write_com(Page_Add+0);
      write_com(LCDCol_Add+0);
      for(k=0;k<8;k++)//控制頁數(shù)0-7，共8頁
      {
            write_com(Page_Add+k); //每頁每頁進(jìn)行寫
               for(j=0;j<64;j++)  //每頁最多可寫32個(gè)中文文字或64個(gè)ASCII字符
            {
                  write_com(LCDCol_Add+j);
                     write_data(0x00);//控制列數(shù)0-63，共64列，寫點(diǎn)內(nèi)容，列地址自動(dòng)加1
            }
      }
}
/*****************************************************************************
函數(shù)功能:左屏位置顯示
入口參數(shù):page,column,hzk
出口參數(shù):
*****************************************************************************/
void Bmp_Left_Disp(unsigned char page,unsigned char column, unsigned char code *Bmp)
{
      unsigned char j=0,i=0;
      for(j=0;j<2;j++)
      {
            write_com(Page_Add+page+j);
            write_com(LCDCol_Add+column);
            for(i=0;i<64;i++)
                     write_data(Bmp[128*j+i]);
      }
}
/*****************************************************************************
函數(shù)功能:右屏位置顯示
入口參數(shù):page,column,hzk
出口參數(shù):
*****************************************************************************/
void Bmp_Right_Disp(unsigned char page,unsigned char column, unsigned char code *Bmp)
{
      unsigned char j=0,i=0;
      for(j=0;j<2;j++)
      {
            write_com(Page_Add+page+j);
            write_com(LCDCol_Add+column);
            for(i=64;i<128;i++)
                     write_data(Bmp[128*j+i]);
      }
}

void main()
{
      init_lcd();
      Clr_Scr();
      LCDMcs=0; //左屏開顯示
      LCDScs=1;
      Bmp_Left_Disp(0,0,Bmp1);// Bmp1為某個(gè)漢字的首地址
Bmp_Left_Disp(2,0,Bmp2);
Bmp_Left_Disp(4,0,Bmp3);
Bmp_Left_Disp(6,0,Bmp4);
LCDMcs=1; //右屏開顯示
      LCDScs=0;
Bmp_Right_Disp(0,0,Bmp1);
Bmp_Right_Disp(2,0,Bmp2);
Bmp_Right_Disp(4,0,Bmp3);
Bmp_Right_Disp(6,0,Bmp4);
      while(1)
{

      }
         }

作者: 無限飛翔 時(shí)間: 2021-1-16 15:52
那位大神幫我寫個(gè)簡單的測試程序。

作者: 人人學(xué)會(huì)單片機(jī) 時(shí)間: 2021-1-17 08:22
你好，你可以看看我分享的貼子先把手冊看懂http://m.raoushi.com/bbs/dpj-200462-1.html

歡迎光臨 (http://m.raoushi.com/bbs/)