93c46.c.bak

QH_MCU_V1.1单片机C源码. 内含实验程序 这是修改版.

#include <reg52.h>
#include <sys.h>
#include <intrins.h>

const	unsigned char	LedCode[]={0xBF,0x86,0xDB,0xCF,0xE6,0xED,0xFD,0x87,0xFF,0xEF,0xF7,0xFC,0xB9,0XDE,0xF9,0xF1};
const	unsigned int	LedCode1[]={0xBFBF,0x8686,0xDBDB,0xCFCF,0xE6E6,0xEDED,0xFDFD,0x8787,0xFFFF,0xEFEF,0xF7F7,0xFCFC,0xB9B9,0XDEDE,0xF9F9,0xF1F1};
const	unsigned char	Sel[]={0x80,0x81,0x82,0x83};




//“93c46读写程序”

sbit CS=P2^4;
sbit SK=P2^3;
sbit DI=P2^2;
sbit DO=P2^1; 

/*
extern unsigned char ReadChar(unsigned char address);
extern void WriteChar(unsigned char address,unsigned char InData);
extern void ReadString(unsigned char data *RamAddress,unsigned char RomAddress,
unsigned char Number);
extern void WriteString(unsigned char data *RamAddress,unsigned char RomAddress,unsigned char Number);
*/

void delay()
{
    uchar i = 0;

   uchar j = 0;
  for (j=0;j<255;j++)
   {
    for (i=0; i<250; i++)
	  ;
   }
}

void clkdelay()
 {
    uchar i=0;
 
	for(i=0;i<50;i++) 
	  { 
	     ;
	   }
  }

// Write enable must precede all programming modes.
void Ewen(void)
{
 unsigned char temp,InData;
 CS=0; 
 SK=0;
 CS=1;
 clkdelay();
 InData=0x98; // 10011XXXX
 for(temp=9;temp!=0;temp--) // 9
 { 
  DI=(bit)(InData&0x80);
  SK=1; 
  clkdelay();
  SK=0;
  clkdelay();
  InData<<=1;
 }
 SK=1;// by lh
 CS=0; clkdelay();

 
}

// Disables all programming instructions.
void Ewds(void)
{
 unsigned char temp,InData;
 CS=0;
 SK=0;
 CS=1;
 clkdelay();
 InData=0x80; // 10000XXXX
 for(temp=9;temp!=0;temp--) // 9
 { 
  DI=(bit)(InData&0x80);
  SK=1;
  clkdelay();
  SK=0;
  clkdelay();
  InData<<=1;
 }
 SK=1; //by lh
 CS=0; clkdelay();

}

// Reads data stored in memory, at specified address.
unsigned int Read(unsigned char address) {
 unsigned char temp;
 unsigned int result=0;
 Ewen();
 SK=0; 
 DI=1; // 110 A5-A0
 CS=0; 
 CS=1;
 clkdelay();
 SK=1;
 clkdelay();
 SK=0;   // 1
 clkdelay();
 address=((address&0x3f)|0x80);  //? 
 for(temp=8;temp!=0;temp--) 
 { // 8
  DI=(bit) (address&0x80);
  SK=1;
  clkdelay();
  SK=0;
  clkdelay();
  address<<=1;
 }

  DO=1;
 for(temp=16;temp!=0;temp--)
 { // 16
  SK=1;
  result=(result<<1);
  result=result | ((unsigned int)(DO));  // 
  clkdelay();
  SK=0;
  clkdelay();
 }
 CS=0;
 Ewds();
 return(result);
}

// Writes memory location An - A0.
void Write(unsigned char address,unsigned int InData) {
 unsigned char temp;
 Ewen();
 SK=0;
 DI=1; // 101 A5-A0

 CS=0;
 CS=1;
 clkdelay();
 SK=1;
 clkdelay();
 SK=0;   // 1
 clkdelay();
 address=((address&0x3f)|0x40);
 for(temp=8;temp!=0;temp--) { // 8
  DI=(bit) (address&0x80);
  SK=1;
  clkdelay();
  SK=0;
  clkdelay();
  address<<=1;
 }
 for(temp=16;temp!=0;temp--) { // 16
  DI=(bit)(InData&0x8000);
  SK=1;
  clkdelay();
  SK=0;
  clkdelay();
  InData<<=1;
 }
 CS=0; 
 DO=1;
 CS=1;
 SK=1;
 clkdelay();
 CS=0;
 CS=1;
 while(DO==0)
 {   // busy test
  SK=0;
  clkdelay();
  SK=1;
  clkdelay();
 }
 SK=0;
 CS=0;
 Ewds();
}

/*
// Erase memory location An - A0.
void Erase(unsigned char address) {
 unsigned char temp;
 Ewen();
 SK=0; DI=1; // 111 A5-A0
 CS=0; CS=1;
 SK=1; SK=0;   // 1
 address =0xc0;
 for(temp=8;temp!=0;temp--) { // 8
  DI=address&0x80;
  SK=1; SK=0;
  address<<=1;
 }
 CS=0; DO=1;
 CS=1; SK=1;
 while(DO==0) {
  SK=0; SK=1;
 }
 SK=0; CS=0;
 Ewds();
}

// Erases all memory locations. Valid only at VCC = 4.5V to 5.5V.
void Eral(void) {
 unsigned char temp,InData;
 Ewen();
 CS=0;
 SK=0;
 CS=1;
 InData=0x90; // 10010XXXX
 for(temp=9;temp!=0;temp--) { // 9
  DI=InData&0x80;
  SK=1; SK=0;
  InData<<=1;
 }
 CS=0; DO=1;
 CS=1; SK=1;
 while(DO==0) {
  SK=0; SK=1;
 }
 SK=0; CS=0;
 Ewds();
}

// Writes all memory locations. Valid only at VCC = 4.5V to 5.5V.
void Wral(unsigned int InData) {
 unsigned char temp,address;
 Ewen();
 CS=0;
 SK=0;
 CS=1;
 address=0x88; // 10001XXXX
 for(temp=9;temp!=0;temp--) { // 9
  DI=address&0x80;
  SK=1; SK=0;
  address<<=1;
 }
 for(temp=16;temp!=0;temp--) { // 16
  DI=InData&0x8000;
  SK=1; SK=0;
  InData<<=1;
 }
 CS=0; DO=1;
 CS=1; SK=1;
 while(DO==0) {
  SK=0; SK=1;
 }
 SK=0; CS=0;
 Ewds();
}

*/

/*unsigned char ReadChar(unsigned char address) {
 unsigned char temp=address>>1;
 if(address&0x01) return((unsigned char)(Read(temp)>>8));
 else return((unsigned char)(Read(temp)));
}

void WriteChar(unsigned char address,unsigned char InData) {
 unsigned char temp=address>>1;
 if(address&0x01) Write(temp,(unsigned int)(Read(temp)&0x00ff (InData<<8)));
 else Write(temp,(unsigned int)(Read(temp)&0xff00 InData));
}

void ReadString(unsigned char data *RamAddress,unsigned char RomAddress,unsigned char Number) {
 while(Number!=0) {
  *RamAddress=ReadChar(RomAddress);
  RamAddress++;
  RomAddress++;
  Number--;
 }
}

void WriteString(unsigned char data *RamAddress,unsigned char RomAddress,unsigned char Number) {
 unsigned int temp;
 if(Number==0) return;
 if(RomAddress&0x01) {
  WriteChar(RomAddress,*RamAddress);
  RamAddress++;
  RomAddress++;
  Number--;
 }
 if(Number==0) return;
 while(Number>>1) {
  temp=*RamAddress;
  RamAddress++;
  temp=temp (*RamAddress)<<8;
  RamAddress++;
  Write(RomAddress>>1,temp);
  RomAddress++;
  RomAddress++;
  Number--;
  Number--;
 }
 if(Number) WriteChar(RomAddress,*RamAddress);  */




void ISRit0(void) interrupt 0
  {
   uchar i;
   unsigned int databuf;

        IE0=0;
    for(i=0; i<16; i++)
 
	     {
		   // P0=LedCode[i];
		     databuf=Read(i);
			 P0=(uchar)(databuf&0x00FF);
			 delay();
			 delay();
		     delay();
		 	 delay();
  			 delay();
			 P2=Sel[1];
			 P0=(uchar)(databuf>>8);
			 P2=Sel[0];
			 delay();
			 delay();
		     delay();
		 	 delay();
  			 delay();
			 
		  }

		  P2=0xFF;

   }

void sel_bit0(void)
{
	 P2 = 0x00;
	 P2 = 0x10;
	 P0 = 0x0f;
   P2 = 0x00;
   P0 = 0x00;
	 P2 = 0x80;
}
  
void sel_bit1(void)
{
	 P2 = 0x00;
	 P2 = 0x10;
	 P0 = 0x1f;
   P2 = 0x00;
   P0 = 0x00;
	 P2 = 0x80;
}
    

void main()
{
    uchar i;
	EA=1;
	IT0=1;
    EX0=1;
    for(i=0; i<16; i++)
 
	   {
	        Write(i,LedCode1[i]);
		 
		  //   writebyte(0,0xFF);
			delay();
	    }



	while(1)
	{
		P0 = 0xff;
    sel_bit0();
    P0 = 0xff;
    sel_bit1();

	}
}