h41.c

伟福Lab2000P系列单片机仿真实验系统液晶显示

#include <reg51.h>
#define uchar unsigned char
#define uint  unsigned int

//LED16x16的片选信号接主板CS3,其它数据信号,地址信号,写信号接主板的相应信号.
xdata unsigned char RowLow  _at_ 0xb002;   //行低八位地址
xdata unsigned char RowHigh _at_ 0xb003;   //行高八位地址
xdata unsigned char ColLow  _at_ 0xb000;   //列低八位地址
xdata unsigned char ColHigh _at_ 0xb001;   //列高八位地址

//字模   每个16x16点阵汉字为: 8位x2x16 = 256位, 32字节
code uchar Font[][32] = {
  //南
  0x08,0x40,0x14,0x41,0x04,0x41,0x04,0x41,0xF4,0x5F,0x04,0x41,0x04,0x41,0xF4,0x5F,
  0x44,0x44,0x24,0x48,0xFE,0x7F,0x04,0x01,0x00,0x01,0xFE,0xFF,0x04,0x01,0x00,0x01,
  //京
  0x00,0x02,0x08,0x25,0x18,0x11,0x30,0x09,0x40,0x09,0x00,0x01,0xF0,0x1F,0x10,0x10,
  0x10,0x10,0x10,0x10,0xF8,0x1F,0x10,0x00,0xFE,0xFF,0x04,0x01,0x00,0x01,0x00,0x02,
  //伟
  0x40,0x10,0x40,0x10,0x48,0x10,0x54,0x10,0x44,0x10,0x44,0x10,0xFE,0x1F,0x44,0x10,
  0x40,0x90,0xFC,0x57,0x48,0x30,0x40,0x10,0xFE,0x17,0x44,0x08,0x40,0x08,0x40,0x08,
  //福
  0x04,0x14,0xFC,0x17,0x44,0x14,0x44,0x14,0xFC,0x17,0x44,0x14,0x44,0x94,0xFE,0x57,
  0x04,0x38,0xF8,0x13,0x08,0x0A,0x08,0xFA,0xF8,0x03,0x00,0x10,0xFC,0x17,0x08,0x20,
  //实
  0x04,0x60,0x0C,0x18,0x10,0x04,0x20,0x02,0x40,0x01,0x00,0x01,0xFE,0xFF,0x84,0x04,
  0x80,0x0C,0x80,0x10,0x80,0x02,0x84,0x86,0x02,0x48,0xFE,0x7F,0x00,0x01,0x00,0x02,
  //业
  0x00,0x00,0xFE,0xFF,0x44,0x04,0x40,0x04,0x40,0x04,0x60,0x14,0x50,0x14,0x50,0x14,
  0x48,0x14,0x48,0x24,0x44,0x24,0x44,0x44,0x40,0x04,0x40,0x04,0x40,0x04,0x40,0x04,
  //有
  0x20,0x08,0x50,0x08,0x10,0x08,0x10,0x08,0xF0,0x0F,0x10,0x88,0x10,0x48,0xF0,0x2F,
  0x10,0x18,0x10,0x08,0xF8,0x0F,0x10,0x04,0x00,0x04,0xFE,0xFF,0x04,0x02,0x00,0x02,
  //限
  0x00,0x41,0x84,0x41,0x4E,0x41,0x10,0x51,0x20,0x69,0x50,0x45,0x88,0x45,0x04,0x45,
  0xF8,0x49,0x08,0x49,0x08,0x51,0xF8,0x49,0x08,0x49,0x08,0x45,0xFC,0x7D,0x08,0x00,
  //公
  0x00,0x00,0x10,0x00,0xF0,0x1F,0x20,0x10,0x40,0x08,0x00,0x04,0x00,0x02,0x04,0xC2,
  0x0E,0x21,0x10,0x11,0x20,0x08,0x40,0x08,0x40,0x04,0x80,0x04,0x80,0x00,0x00,0x00,
  //司
  0x10,0x00,0x28,0x00,0x88,0x20,0x88,0x3F,0x88,0x20,0x88,0x20,0x88,0x20,0x88,0x20,
  0xC8,0x3F,0x88,0x00,0x08,0x00,0xE8,0xFF,0x48,0x00,0x08,0x00,0xFC,0x3F,0x08,0x00
  };

void delay(uchar t)
{
   uchar i,j;

   for(i= t; i>0; i--){
     for(j=0; j<100; j++);
   }
}

void main()
{
  uchar i,j;
  uchar count;
  uint bitmask;

  //清屏
  ColLow = 0xff;  //行驱动低有效
  ColHigh= 0xff;
  RowLow = 0x00;  //列驱动高有效
  RowHigh= 0x00;

  while(1){
    for(j=0; j<10; j++){
      for(count =0; count <50; count ++){
        bitmask = 0x01;
        for(i=0;i<16;i++){

          RowLow  = 0x00;              //首先清屏
          RowHigh = 0x00;
          ColLow  = ~ Font[j][i*2  ];  //写出一行数据
          ColHigh = ~ Font[j][i*2+1];
          RowLow  = bitmask & 0xff;    //点亮此行
          RowHigh = bitmask >> 8;

          bitmask <<= 1;               //移位,指向下一行
          delay(1);
        }
      }
      ColLow  = 0xff;
      ColHigh = 0xff;
    }
  }
}