P10单元板显示异常

飞剑 · 发表于 2013-11-22 17:33:36

本帖最后由飞剑于 2013-11-22 18:08 编辑

硬件：STCC5A60S2+P10户外单元板
问题：在被点亮的LED周围的LED也会微微有点亮。

比如上面的图片，显示0000，在0的周围，有几个不该亮的LED也微微发光，请高手帮忙分析一下。

#include <reg52.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define NOP _nop_()
sbit OE = P1^2;
sbit A1 = P1^3;
sbit B1 = P1^4;
sbit SHCP=P1^5; //ÒÆÎ»Ê±ÖÓ
sbit STCP=P1^6; //Ëø´æÊ±ÖÓ
sbit DATA=P1^7;
uchar code NUMBER[160]=
{0xFF,0xFF,0xFF,0xE7,0xDB,0xBD,0xBD,0xBD,0xBD,0xBD,0xBD,0xBD,0xDB,0xE7,0xFF,0xFF, //显示0
0xFF,0xFF,0xFF,0xEF,0x8F,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0x83,0xFF,0xFF, //1
0xFF,0xFF,0xFF,0xC3,0xBD,0xBD,0xBD,0xFB,0xFB,0xF7,0xEF,0xDF,0xBD,0x81,0xFF,0xFF, //2
0xFF,0xFF,0xFF,0xC3,0xBD,0xBD,0xFB,0xE7,0xFB,0xFD,0xFD,0xBD,0xBB,0xC7,0xFF,0xFF, //3
0xFF,0xFF,0xFF,0xFB,0xF3,0xEB,0xDB,0xDB,0xBB,0xBB,0x81,0xFB,0xFB,0xE1,0xFF,0xFF, //4
0xFF,0xFF,0xFF,0x81,0xBF,0xBF,0xBF,0xA7,0x9B,0xFD,0xFD,0xBD,0xBB,0xC7,0xFF,0xFF, //5
0xFF,0xFF,0xFF,0xE3,0xDB,0xBF,0xBF,0xA7,0x9B,0xBD,0xBD,0xBD,0xDB,0xE7,0xFF,0xFF, //6
0xFF,0xFF,0xFF,0x81,0xBB,0xBB,0xF7,0xF7,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xFF,0xFF, //7
0xFF,0xFF,0xFF,0xC3,0xBD,0xBD,0xBD,0xDB,0xE7,0xDB,0xBD,0xBD,0xBD,0xC3,0xFF,0xFF, //8
0xFF,0xFF,0xFF,0xE7,0xDB,0xBD,0xBD,0xBD,0xD9,0xE5,0xFD,0xFD,0xDB,0xC7,0xFF,0xFF}; //9
uchar table[2][32];
uchar xianshi[4]={1,2,3,4};
void serial_input(uchar dat)
{
uint m;
for(m=0;m<8;m++)
{
if(dat & 0x80)
DATA=1;
else
DATA=0;
SHCP=0;
NOP;
NOP;
SHCP=1;
NOP;
NOP;
SHCP=0;
dat=dat<<1;
}
}
void serial_output()
{
STCP=1;
NOP;
NOP;
STCP=0;
}
void HC138_scan(uchar temp)
{
OE=1;
A1=0x01 & temp;
B1=0x01 &(temp>>1);
}
void display()
{
uint i,j,k;
for(k=0;k<4;k++) //ÏÔÊ¾µÄ4ÐÐ
{
for(j=0;j<2;j++) //ÏÔÊ¾3¡¢4ÁÐ
{
for(i=0;i<2;i++) //ÏÔÊ¾1¡¢2ÁÐ
{
serial_input(table[j][3*8+2*k+i]);
serial_input(table[j][2*8+2*k+i]);
serial_input(table[j][1*8+2*k+i]);
serial_input(table[j][0*8+2*k+i]);
}
}
serial_output();
HC138_scan(k);
}
}
void xianshi_set()
{
int abc=0,abcd;
abcd=0;
for (abc=0;abc<16;abc++)
{
table[0][abcd]=NUMBER[abc+xianshi[0]*16];
abcd=abcd+2;
}
abcd=1;
for (abc=0;abc<16;abc++)
{
table[0][abcd]=NUMBER[abc+xianshi[1]*16];
abcd=abcd+2;
}
abcd=0;
for (abc=0;abc<16;abc++)
{
table[1][abcd]=NUMBER[abc+xianshi[2]*16];
abcd=abcd+2;
}
abcd=1;
for (abc=0;abc<16;abc++)
{
table[1][abcd]=NUMBER[abc+xianshi[3]*16];
abcd=abcd+2;
}
}
void main()
{
xianshi_set();
while(1)
{
display();
}
}

复制代码

menglogic · 发表于 2013-11-22 17:48:33

上下有暗亮，意思就是行消影没处理好，即换行时OE的处理。

飞剑 · 发表于 2013-11-22 18:06:49

本帖最后由飞剑于 2013-11-22 19:17 编辑

menglogic 发表于 2013-11-22 17:48
上下有暗亮，意思就是行消影没处理好，即换行时OE的处理。

请问一下，换行时，OE要怎么处理？我是让OE一直是高电平的。代码已经贴上。

饭桶 · 发表于 2013-11-22 18:21:49

时序好好理解理解的

飞剑 · 发表于 2013-11-22 19:20:24

饭桶发表于 2013-11-22 18:21
时序好好理解理解的

请问程序应该怎么修改？

P10单元板显示异常

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