请教各位达人..16*64点阵滚屏程序怎样写？

只看该作者 · 2010-8-9 22:02

新手上路:$
在网上淘了一块2手的点阵..
采用74HC595和74HC138的结构，电流驱动为TIP127. 8个io口控制..
只会写一个简单的静态显示.. 不懂写左右滚屏的程序..
请各位达人指点指点..:'(
本人真是菜到掉渣了..

静态程序如下:
   #include "reg52.h"
#define  uchar unsigned char
#define  uint  unsigned int
void Keyscan (void); //修改参数按键扫描子程序
void  Sendping(); //发送半屏子程序
sbit  CLK =P1^5 ;       //74HC595移时钟
sbit  STB =P1^4 ;    // 74HC595锁存信号
sbit  Red=P1^6  ;    //红色数据输出引脚低电平有效
sbit  Greed=P1^7; //全屏控制使能0，低电平有效
sbit  OE = P0^7;    //全屏使能
uchar SendData;    //要发送的数据变量
uchar shuzu1;          //数组一维变量
uchar shuzu2;          //数组二维变量
uchar hang;       //行扫描变量  （半屏只有16行，所以hang=0到15）
void delay()
{
uint i;
for(i=0;i<30;i++);
}
uchar code data1[8][32]=
         {
                  {0x00,0x00,0x7F,0xFC,0x48,0x00,0x48,0x00,0x4F,0xF8,0x50,0x80,0x60,0x88,0x5F,0xFC
,0x41,0x40,0x41,0x20,0x42,0x10,0x44,0x18,0x48,0x10,0x40,0x00,0x7F,0xFE,0x00,0x00},
                  {0x00,0x00,0x3F,0xFC,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x00,0x00,0x00,0x00},
               {0x06,0x08,0x78,0x88,0x08,0x48,0x08,0x48,0xFE,0x08,0x18,0x88,0x1C,0x48,0x2A,0x48,
0x28,0x0E,0x48,0x78,0x8B,0x88,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08},
               {0x20,0x40,0x20,0x40,0x20,0x40,0x23,0xF8,0xFC,0x48,0x20,0x48,0x22,0x48,0x22,0x4C,
0x24,0x8A,0x24,0x8A,0x20,0x88,0x21,0x08,0x21,0x08,0x22,0x28,0x24,0x10,0x00,0x00},
         };
//------------------------------------
//----------字发送子程序-----------
void SendByte(void)
   {
         uchar m;
         for(m=0;m<8;m++)
         {
            CLK = 0;
            Red = (SendData & 0x80);    //红屏显示
            Greed =  (SendData & 0x80);    //红屏显示
            SendData =SendData<<1;
            CLK = 1;    //移位时钟上升沿
         }
   }

   //-----------------------------------
   //----------行扫描子程序-------------
   void RowsCan(void)
   {
         if (hang>=16)
      {
            hang =0x00;
   }

         P1 = P1 & 0xf0;
         P1 = P1 | hang;
         hang++;
   }

      void SendHang(void)
   {
         uchar m2,shuzu;
         shuzu = shuzu1; //一维数组变量参数传给数组变量
      OE=1;
         for(m2 =0;m2<2;m2++)
   {
            SendData = data1[shuzu][shuzu2+m2];
            SendByte();
   }
         shuzu++;

         for(m2 =0;m2<2;m2++)
   {
            SendData = data1[shuzu][shuzu2+m2];
            SendByte();
   }
         shuzu++;

         for(m2 =0;m2<2;m2++)
   {
            SendData = data1[shuzu][shuzu2+m2];
            SendByte();
   }
         shuzu++;

         for(m2 =0;m2<2;m2++)
   {
            SendData = data1[shuzu][shuzu2+m2];
            SendByte();
   }
         STB = 0;
         STB = 1;       //上升沿数据锁存
         RowsCan();    //行扫描
         OE = 0;
         delay();
   }
      //---------------------------------------
      //----------发送一屏数据-----------------
      void Sendping(void)
   {
         SendHang();
         shuzu2++ ;
         shuzu2++ ;
         if(shuzu2 ==32) { shuzu2 =0;}
   }
      void initial(void)
      {
         OE = 1;
         Red = 1;
         Greed = 1;
         SendData = 0x00;
         hang = 0x00;

   }
      //;---------主程序循环--------------
      void main()
   {


         initial();
         while(1)
      {
            Sendping();
   }
   }