你是問對人了，我就用這塊板子。看我的名字，呵呵。
點陣嘛，想動態，我現在只有我初學時的程序，不是很好，只能是完成了動態顯示而已，給你看看，不要笑就好。
#include<reg51.h>
#include<intrins.h>
sbit SRCLK=P3^6;
sbit RCLK=P3^5;
sbit SER=P3^4;
#define LKZ P0
unsigned char code TAB[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};
unsigned char code XS[17][8]=
{
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*以下是箭頭向左移動*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10},
{0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x38},
{0x00,0x00,0x00,0x00,0x00,0x10,0x38,0x38},
{0x00,0x00,0x00,0x00,0x10,0x38,0x38,0x54},
{0x00,0x00,0x00,0x10,0x38,0x38,0x54,0x10},
{0x00,0x00,0x10,0x38,0x38,0x54,0x10,0x10},
{0x00,0x10,0x38,0x38,0x54,0x10,0x10,0x10},
{0x10,0x38,0x38,0x54,0x10,0x10,0x10,0x10},
{0x38,0x38,0x54,0x10,0x10,0x10,0x10,0x00},
{0x38,0x54,0x10,0x10,0x10,0x10,0x00,0x00},
{0x54,0x10,0x10,0x10,0x10,0x00,0x00,0x00},
{0x10,0x10,0x10,0x10,0x00,0x00,0x00,0x00},
{0x10,0x10,0x10,0x00,0x00,0x00,0x00,0x00},
{0x10,0x10,0x00,0x00,0x00,0x00,0x00,0x00},
{0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
};
void delay(unsigned int time)//0.0001766s延時，約0.2ms
{
unsigned int j;
for(time;time>0;time--)
for(j=0;j<20;j++);
}
void XP74HC595(unsigned char dat)//向74H595發送一個字節的數據
//函數名必須由字母開始
{
unsigned char a;
SRCLK=0;
RCLK=0;
for(a=0;a<8;a++)
{
if ((dat<<a)&0x80)//從高位開始發送數據
{
SER=1;
}
else
{
SER=0;
}
SRCLK=1;
_nop_();
_nop_();
SRCLK=0;
}
RCLK=1;
_nop_();
_nop_();
RCLK=0;
}
void main ()
{
unsigned char i,j,k;
LKZ=0xff;
XP74HC595(0x00);
while (1)
{
for (i=0;i<17;i++)
{
for (j=0;j<50;j++)
{
for (k=0;k<8;k++)
{
XP74HC595(XS[i][k]);
LKZ=TAB[k];
delay(5);
LKZ=0xff;
XP74HC595(0x00); //消隱
}
}
}
}
}
我初學時的辦法是很笨的，叫“硬來”。即：將顯示內容逐幀列出，一次一幀，就動態顯示了。希望能拋磚引玉。
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