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汉字LED点阵16X16滚动显示设计

更新时间:2010-4-30:  来源:毕业论文

汉字LED点阵16X16滚动显示设计
#include <reg52.h>  #define int8 unsigned char #define int16 unsigned int #define int32 unsigned long  int8 flag; int8 n; int8 code table[][32]={                           {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},/* "  " */                             {0x04,0x28,0x08,0x24,0x32,0x22,0xC2,0x21,0xC2,0x26,0x34,0x38,0x04,0x04,0x08,0x18,0x30,0xF0,0xC0,0x17,
0x60,0x10,0x18,0x10,0x0C, 0x14,0x06,0x18,0x04,0x10,0x00,0x00},/*"欢",0*/                         

  {0x02,0x02,0x04,0x82,0xF8,0x73,0x04,0x20,0x02,0x00,0xE2,0x3F,0x42,0x20,0x82,0x40,0x02,0x40,0xFA, 0x3F,0x02,0x20,0x42,0x20,0x22,0x20,0xC2,0x3F,0x02,0x00,0x00,0x00},/*"迎",1*/     
                       {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0
0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}/* "  " */                       };  void delay(void); int16 offset;  void main(void) {     int8 i;     int8 *p;     flag=0x10;     n=0;     TMOD=0x01;     TH0=0xb1;     TL0=0xe0;     ET0=1;     EA=1;     TR0=1;      p=&table[0][0];      while (1)     {         for (i=0;i<8;i++)    //显示左半边屏幕         {             P0=*(p+offset+2*i);             P2=i|0x08;    //P2.4=0,P2.3=1 选中U2, 输出扫描码给U6             delay();              P0=*(p+offset+2*i+1);             P2=i|0x10;   //P2.4=1,P2.3=0 选中U3, 输出扫描码给U7             delay();         }         for (i=8;i<16;i++)    
//显示右半边屏幕         {             P0=*(p+offset+2*i);             P2=(i-8)|0x20;   //P2.5=1 P2.4=0, P2.3=0 选中U4,输出扫描码U8             delay();              P0=*(p+offset+2*i+1);             P2=(i-8)|0x40;   //P2.6=1 P2.5=0, P2.4=0 选中U5,输出扫描码U9             delay();         }     } }   void delay(void) {     int16 i;     for (i=0;i<50;i++)         ; }   void timer0() interrupt 1 using 3 {     TF0=0;     TH0=0xb1;     TL0=0xe0;     if (n<10)     {     n++;     }     else     {     offset+=2;     if (offset>1100)             offset=0;         n=0;     } } 
<h2>Project:</h2>
C:\Documents and Settings\Administrator\桌面\16×16点阵(滚动显示)\16×16点阵(滚动显示)\16×16点阵.uv2
Project File Date:  11/17/2006

<h2>Output:</h2>
这个中断是为了产生offset的原理是什么,为什么能实现汉字的移动显示(从右至左)
{0x04,0x28,0x08,0x24,0x32,0x22,0xC2,0x21,0xC2,0x26,0x34,0x38,0x04,0x04,0x08,0x18,0x30,
0xF0,0xC0,0x17,0x60,0x10,0x18,0x10,0x0C, 0x14,0x06,0x18,0x04,0x10,0x00,0x00},/*"欢",0*/
需要源程序的找站长1066

汉字LED点阵16X16滚动显示设计下载如图片无法显示或论文不完整,请联系qq752018766
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