显示非常的闪，求助！！！！！

xiaobaicai · 发表于 2012-10-28 14:58

程序如下：

//#include <STC12C2052AD.h>
#include <reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define _Nop() _nop_();_nop_();_nop_();_nop_();_nop_();_nop_();_nop_()
/*
sbit HC138_A=P1^0;
sbit HC138_B=P1^1;
sbit HC138_C=P1^2;
sbit HC138_D=P1^3;          //138, 4, 5
sbit HC138_OE=P1^4;       //138 6
sbit HC595_LAT=P1^7; //595 12
sbit HC595_CLK=P3^1; //595 11
sbit HC595_GD=P3^0; //595 14
sbit HC595_RD=P3^0; //595 14          */

sbit HC138_A=P1^0;
sbit HC138_B=P1^1;
sbit HC138_C=P1^2;
sbit HC138_D=P1^3;          //138, 4, 5
                                    //138 6
sbit HC595_LAT=P2^0; //595 12
sbit HC595_CLK=P2^1; //595 11
sbit HC595_R1=P2^3; //595 14
sbit HC595_RD=P2^2; //595 14

/*
sbit HC138_A=P3^7;
sbit HC138_B=P3^2;
sbit HC138_C=P1^0;
sbit HC138_D=P3^3;          //138, 4, 5
sbit HC138_OE=P1^5;       //138 6
sbit HC595_LAT=P1^1; //595 12
sbit HC595_CLK=P3^4; //595 11
sbit HC595_GD=P1^2;    //595 14
sbit HC595_RD=P3^5;    //595 14       */
unsigned char r_data[8], r_data1[8];
unsigned char k, t, m, n, p;
unsigned char code hanzi[4][32]={                };

//delay us
void Delay(uchar us)  //5,7,9
{
while(--us);
}

void write595(unsigned char rdd,rdd1)
{
      unsigned char i;
      for (i=0;i<8;i++)
      {
            HC595_RD=rdd&0x80;
HC595_R1=rdd1&0x80;
            rdd=rdd<<1;
rdd1=rdd1<<1;
            HC595_CLK=1;
            HC595_CLK=0;
      }
}

void main (void)
{
      while(1)
      {
         for (p=0;p<64;p++)
            {
            for (t=0;t<16;t++)
            {
                     HC595_LAT=0;
                     HC595_CLK=0;

   for (k=0;k<4;k++)
                     {
                     r_data[2*k]=0xff-hanzi[0+k][t*2+1];
                     r_data[2*k+1]=0xff-hanzi[0+k][t*2];
                     r_data1[2*k]=0xff-hanzi[0+k][t*2+1];
                     r_data1[2*k+1]=0xff-hanzi[0+k][t*2];
                     }

            for (k=0;k<8;k++)
            {
                     write595(r_data[k],r_data1[k]);

            }

                     HC595_LAT=1;
                     HC595_LAT=0;
                     HC595_CLK=0;
                     HC138_A=t&0x01;
                     HC138_B=t&0x02;
                     HC138_C=t&0x04;
                     HC138_D=t&0x08;
                     Delay(100);

      }       //end for t
      }  //end for p
      }       //end while
}

字模代码去掉了，用的STC90C516RD+，12M晶振

sdf15937 · 发表于 2012-10-28 16:29

换高速晶振……

xiaobaicai · 发表于 2012-10-28 21:08

回复 2# sdf15937

是晶振的问题吗？那大概多大的合适？程序还有没有可以改进的地方可以闪的弱一些？谢谢！

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显示非常的闪，求助！！！！！

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