新手求救,51单片机+08接口点阵屏显示不正常

ID:908326 · 发表于 2021-5-12 04:50

想用8个0x11点亮上半个屏幕(16行)每行应该是0001000100010001001....即3个灯灭1个灯亮重复16次
但实际却是1111111111111111111....整个屏幕都在发光

请大神看下代码,出出主意

#include<STC12C5A60S2.H>

#define  uchar    unsigned char
#define  uint  unsigned int

sbit IA  =P2^0;
sbit IB  =P2^1;
sbit IC  =P2^2;
sbit ID  =P2^3;

#define  scan0 {IA=0;IB=0;IC=0;ID=0;}
#define  scan1 {IA=1;IB=0;IC=0;ID=0;}
#define  scan2 {IA=0;IB=1;IC=0;ID=0;}
#define  scan3 {IA=1;IB=1;IC=0;ID=0;}
#define  scan4 {IA=0;IB=0;IC=1;ID=0;}
#define  scan5 {IA=1;IB=0;IC=1;ID=0;}
#define  scan6 {IA=0;IB=1;IC=1;ID=0;}
#define  scan7 {IA=1;IB=1;IC=1;ID=0;}
#define  scan8 {IA=0;IB=0;IC=0;ID=1;}
#define  scan9 {IA=1;IB=0;IC=0;ID=1;}
#define scan10 {IA=0;IB=1;IC=0;ID=1;}
#define scan11 {IA=1;IB=1;IC=0;ID=1;}
#define scan12 {IA=0;IB=0;IC=1;ID=1;}
#define scan13 {IA=1;IB=0;IC=1;ID=1;}
#define scan14 {IA=0;IB=1;IC=1;ID=1;}
#define scan15 {IA=1;IB=1;IC=1;ID=1;}

sbit SH=P2^7;
sbit ST=P2^6;
sbit R1=P1^0;
sbit R2=P1^1;
sbit G1=P1^2;
sbit G2=P1^3;
sbit OE=P2^5;

void scan(unsigned char Value)
{switch(Value)
      {case  0: scan0;break;
   case  1: scan1;break;
   case  2: scan2;break;
      case  3: scan3;break;
         case  4: scan4;break;
      case  5: scan5;break;
         case  6: scan6;break;
         case  7: scan7;break;
               case  8: scan8;break;
         case  9: scan9;break;
      case 10:scan10;break;
      case 11:scan11;break;
         case 12:scan12;break;
   case 13:scan13;break;
   case 14:scan14;break;
      case 15:scan15;break;
   default:break;
      }
}

void WriteR1(unsigned char byte)
{
unsigned int i;
for(i=0;i<8;i++)
{
SH=1;
R1=byte&(0x80>>i);
SH=0;
}
}
void WriteR2(unsigned char byte)
{
unsigned int i;
for(i=0;i<8;i++)
{
SH=1;
R2=byte&(0x80>>i);
SH=0;
}
}
void WriteG1(unsigned char byte)
{
unsigned int i;
for(i=0;i<8;i++)
{
SH=0;
G1=byte&(0x80>>i);
SH=1;
}
}

void WriteG2(unsigned char byte)
{
unsigned int i;
for(i=0;i<8;i++)
{
SH=0;
G2=byte&(0x80>>i);
SH=1;
}
}

void main()
{

while(1)
{
unsigned int i,j;
for(i=0;i<16;i++)  //16DDé¨Ãè
{
OE=0;
for(j=0;j<8;j++){
WriteR1(0x11);
WriteR2(0x00);
WriteG1(0x00);
WriteG2(0x00);
}
ST=0;
scan(i);
         ST=1;
OE=1;

}
}
}