Dot matrix debugging (with program)

 

#include
#include

#define uchar unsigned char
#define uint unsigned int

//Port definition;

sbit DS = P1^0;
sbit OE = P1^1;
sbit ST_CP = P1^2;
sbit SH_CP   = P1^3;
sbit MR = P1^4;
uchar time=0;
uchar flag=0;

 uchar code    tableHng[8]={0x00,0x00,0x7E,0x42,0x7E,0x00,0x00,0x00};
 uchar code    table1[8]={0x00,0x00,0x20,0x7E,0x00,0x00,0x00,0x00};
 uchar code    table2[8]={0x00,0x00,0x66,0x4A,0x72,0x00,0x00,0x00};
 uchar code    table3[8]={0x00,0x24,0x42,0x52,0x2C,0x00,0x00,0x00};
 uchar code    table4[8]={0x00,0x0C,0x14,0x7E,0x04,0x00,0x00,0x00};
 uchar code    table5[8]={0x00,0x00,0x72,0x52,0x5C,0x00,0x00,0x00};
 uchar code    table6[8]={0x00,0x3C,0x52,0x52,0x4C,0x00,0x00,0x00};
 uchar code    table7[8]={0x00,0x00,0x40,0x5C,0x60,0x00,0x00,0x00};
 uchar code    table8[8]={0x00,0x00,0x7E,0x52,0x7E,0x00,0x00,0x00};
 uchar code    table9[8]={0x00,0x30,0x4A,0x4A,0x3C,0x00,0x00,0x00};

 uchar code    tableLie[8]={0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe};

void delayS(uchar ms)
{
uchar x,y;
for(x=ms;x--;x>0 )
 for(y=110;y>0;y--);
}

static void timer0_initialize(void)
{
 EA=0;       
 TR0=0;   
 TMOD=TMOD&0xf0;   
 TMOD=TMOD|0x01;      
 
 TL0=(0X78);
 TH0= (0X0C);
 PT0=0;  ////      
 ET0=1;       
 TR0=1;       
 EA=1;       
}
[page]
//Function declaration;

void HC595_CD(uint Value); //595 driver function;

void main()
{

uint i = 0;
//P2=tableLie[0];
//HC595_CD(tableHng[0]);
//uint Value;
//P2=0xfd;
//Value = 0x01;
//HC595_CD(Value);
timer0_initialize( );
while(1)
{
 if(flag==0)
{
 for(i=0;i<8;i++)
 {
HC595_CD(tableHng[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==1)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table1[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==2)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table2[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==3)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table3[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 
 if(flag==4)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table4[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==5)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table5[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==6)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table6[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==7)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table7[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

 if(flag==8)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table8[i]);
  P2=tableLie[i];
  delayS(3);
 }
}
 
  if(flag==9)
{
 for(i=0;i<8;i++)
 {
HC595_CD(table9[i]);
  P2=tableLie[i];
  delayS(3);
 }
}

}

}
static void timer0_isr(void) interrupt 1 //Avoid the delay function in the timer to avoid errors
{ 
time++;
TR0=0;        
TL0=(0X78);
TH0=(0X0C);
TR0=1; 
if(time==50)
{
 time=0;
 flag++;
 if(flag==10)
 flag=0;
}

}

//74HC595 driver function;
//Function: output the input data to the corresponding pin;
//Input function: Value

void HC595_CD(uint Value)
{
uint   i = 0 ;
OE = 1; //Chip output off;
MR = 0; //IC reset;
MR = 1; //Reset end;
for(i = 0; i < 8; i++) //Transmit 8-bit data;
{
DS = Value&0x01; //Parallel data to serial;
SH_CP = 0; //Shift register clock is 0;
ST_CP = 0; //Storage register clock is 0;
_nop_();
_nop_();
_nop_(); //Short delay;
_nop_();
Value >>= 1; //Data shift;
SH_CP = 1; //Generate shift pulse;
ST_CP = 1;
}
OE   = 0; //Data output;
}