595.c

矿工定位系统单端

#include "595.H"
#include <stdio.h>
#include <reg52.h>
#include <intrins.h>
#include <string.h>
sbit  CS1=P0^5;
sbit  SCK1=P0^4;
sbit  SI1=P0^6;

//unsigned char idata outbyte=0xff;
unsigned char code charcode[18]={0x82,0xfa,0x46,0x52,0x3a,0x13,0x03,0xda,0x02,0x12,0x7f,0x1a,0x13,0x67,0x7f,0xff,0x62};//d
//*******************************
void	OutByte1(unsigned char b)
{
	unsigned char i,j;
	unsigned char bb=0x80;
	 //CS1=0;
	for(i=0;i<8;i++)
	{
		//SCK11=0;
		SI1=b&bb;
		  for(j=0;j<76;j++);
		bb>>=1;
		  for(j=0;j<76;j++);
		SCK1=0;
	    for(j=0;j<76;j++);
		SCK1=1;
		 for(j=0;j<76;j++);	
		
	}
	// CS1=1;
}



//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$4
void SendStr_MAX7219(unsigned char *Data)
{
  unsigned char i,j;
  CS1=0;
    for(j=0;j<76;j++);
  for(i=0;i<4;i++)
  {  if(Data[i]==0x64)
	     Data[i]=16;//charcode[14];
      if(Data[i]>=0x30)
       Data[i]=Data[i]-0x30;  
	   if(Data[i]==0x20)
	     Data[i]=15;//charcode[14];
	 

  }
   if(Data[0]==0x2d)Data[0]=10;//-
  OutByte1(charcode[Data[3]]);
  	  for(j=0;j<76;j++);
  OutByte1(charcode[Data[2]]);
    for(j=0;j<76;j++);
  OutByte1((charcode[Data[1]])&0xfd);
  	  for(j=0;j<76;j++);
  OutByte1(charcode[Data[0]]);
    for(j=0;j<76;j++);
  CS1=1;  
   for(j=0;j<176;j++);
   CS1=0;
}