原创 lcd液晶显示程序

 #include<reg52.h>
#define LCD_DB P2
#define PAGE    0xb8
#define COL     0x40
#define ROW     0xc0
#define OFF     0x3e
#define ON      0x3f
#define uint unsigned int
#define uchar unsigned char

sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P2^5;
sbit cs1=P2^2;
sbit cs2=P2^3;
sbit RES=P1^2;

uint cha[]={0x00,0x00,0xc0,0x38,0xe0,0x00,0x00,0x00,0x20,0x3c,0x23,0x02,0x02,0x27,0x38,0x20};
uint code c1[]={0x20,0x20,0x30,0x30,0xA9,0x6A,0x3A,0x24,0xE4,0x2A,0x29,0x30,0x20,0x20,0x20,0x00,
            0x08,0x04,0x02,0x01,0x3F,0x01,0x01,0x01,0xFF,0x01,0x21,0x61,0x3F,0x00,0x00,0x00};
uint code c2[]={0x04,0x04,0xFC,0x85,0x46,0x24,0x04,0x80,0x7E,0x2A,0x2A,0xAA,0xAA,0xFE,0x00,0x00,
            0x00,0x40,0x42,0x4A,0x4A,0x4A,0x4A,0x7E,0x4A,0x4A,0x4A,0x4A,0x4A,0x42,0x40,0x00};
uint code c3[]={0x40,0x42,0x44,0xCC,0x00,0x08,0x28,0x48,0x89,0x0E,0xCA,0x38,0x08,0x08,0x00,0x00,
            0x80,0x40,0x20,0x1F,0x20,0x40,0x50,0x48,0x44,0x43,0x44,0x48,0x50,0x40,0x40,0x00};
uint code c4[]={0x00,0xFE,0x02,0x02,0xF2,0x12,0x12,0x12,0x12,0x12,0xF2,0x02,0x02,0xFE,0x00,0x00,
            0x00,0x7F,0x40,0x40,0x47,0x44,0x44,0x44,0x44,0x44,0x47,0x40,0x40,0x7F,0x00,0x00};
uchar pic_1[5]={0,0,0,0,0};
void wr_cmd(uchar);
void wr_dat(uchar);
void B_C();
void delay(uint);
void wr_char_8_16(uint,uint);
void wr_chinese_16_16(uint,uint,uint);
void wr_pic1();
void inti();
void fillscr(uint);
void clear();
void lcd_rol();

void wr_cmd(uchar cmd)
{    RS=0;
     RW=0;
     E=1;
     LCD_DB=cmd;
     delay(5);
     E=0;
     delay(5);
     //B_C();
}

void wr_dat(uchar dat)
{    RS=1;
     RW=0;
     E=1;
     LCD_DB=dat;
     delay(5);
     E=0;
     delay(5);
     //B_C();
}

void B_C()
{
    RS=0;
    RW=1;
    E=1;
    delay(5);
    while(LCD_DB&0X80);
}

void delay(uint x)
{  int i;
   while(--x!=0)
     for(i=0;i<125;i++);
}

void wr_char_8_16(uint page,uint col)
{  int i,j;
   for(j=0;j<2;j++)
    {    wr_cmd(PAGE+page+j);    //数组cha[]
         wr_cmd(COL+col);
         for(i=0;i<8;i++)
           { wr_dat(cha[j*8+i]);
           }
    }
}

void wr_chinese_16_16(uint page,uint col,uint code *chin)
{ 
  int i,j;
   for(j=0;j<2;j++)
    {    wr_cmd(PAGE+page+j);   //数组chin[]
         wr_cmd(COL+col);
         for(i=0;i<16;i++)
             {  wr_dat(chin[j*16+i]);
                delay(30);
             }
    }
}

void wr_pic1()                 //图片显示
{  uint i,j;
   for(j=0;j<8;j++)            //全屏图，故每页依次显示
     {   cs1=1;                //选中左页
         cs2=0;
         wr_cmd(PAGE+j);       //从第一页开始显示
         wr_cmd(COL);          //从第0列开始
         for(i=0;i<64;i++)wr_dat(pic_1[j*128+i]);             //此页前64个数
         cs1=0;               //选中右页
         cs2=1;
         wr_cmd(PAGE+j);       //从第一页开始显示
         wr_cmd(COL);          //从第0列开始
         for(i=64;i<128;i++)wr_dat(pic_1[j*128+i]);          //此页后64个数
      }                                                      //换下一页
}

void inti()
{
    RES=0;
    RES=1;
    cs1=1;
    cs2=1;                      
  wr_cmd(OFF);
  delay(5);
  wr_cmd(PAGE);
  delay(5);
  wr_cmd(ROW);
  delay(5);
  wr_cmd(COL);
  delay(5);
  wr_cmd(ON);
}

void lcd_rol()  //向上滚屏
 {
  uchar i;
 for(i = 0; i < 64; i++)
 {       cs1=0;cs2=0;
  wr_cmd(ROW+i);
  delay(8);
 }
 }

main()
{        inti();
         cs1=0;cs2=1;
         delay(30);
         wr_chinese_16_16(0,0,c1);
         delay(30);
         wr_chinese_16_16(0,16,c2);
         delay(30);
         wr_chinese_16_16(0,32,c3);
         delay(30);
         wr_chinese_16_16(0,48,c4);
         delay(30);
         cs1=1;cs2=0;
         delay(30);
       /*  wr_chinese_16_16(0,0,c5);
         delay(30);
         wr_chinese_16_16(0,16,c6);
         delay(30);
         wr_chinese_16_16(0,32,c7);
         delay(30);
         wr_chinese_16_16(0,48,c8);
         delay(30);  */
         while(1)
        {
         lcd_rol();
         delay(10);
        }
}