Ó²ÅÌ¿ØÖƵç·ÒÔ¼°Ô­³ÌÐò

}while(!DRDY|BSY);

WriteReg(_DeviceAndHead,_MaxHead);

WriteReg(_SecCount,_MaxSector);

WriteReg(_Status_Command,0x91);

WaitBSY();

WriteReg(_Status_Command,0x10);

WaitBSY();

}

/**********************************************************

¶ÁÓ²Å̲ÎÊý

***********************************************************/

void DriverID(void)

{

unsigned int i=512;

//send_string("Starting read driver ID\n");

WaitBSY();

//send_string("Now can read driver ID\n");

WriteReg(_Status_Command,0xec);

//send_string("Waiting..");

do{ReadReg(_Status_Command);}while(BSY|!DRQ);

//send_string("Now Sending\n");

while(i){

ReadData();

send_char(Data_bufferH);

send_char(Data_bufferL);

i-=2;

}

}

/*********************************************************

Ó²ÅÌÑ°Ö·

**********************************************************/

WriteCHS(byte head,uint cylinder,byte sector,byte read_count)

{

WaitBSY();

WriteReg(_DeviceAndHead,0xa0|head);

WriteReg(_CylinderH,(char)(cylinder>>8));

WriteReg(_CylinderL,(char)(cylinder&0x00ff));

WriteReg(_SecNum,sector);

WriteReg(_SecCount,read_count);

}

/**********************************************************

*ÓÃ;:½«Ó²Å̵ķµ»ØÊý¾Ý¶ÁÈëBUFFERÊý×é*

***********************************************************/

void SendData()

{ uint i;

i=512*15;

do{ReadReg(_Status_Command);}while(BSY|!DRQ);

if(ERR){

send_string("\x0d\x0a Error\x0d\x0a");

}

while(i){ReadData();send_char(Data_bufferL);send_char(Data_bufferH);i-=2;}

}

// ¼¤»îÓ²ÅÌ(ת¶¯)

void SpinUP()

{

WaitBSY();

WriteReg(_Status_Command,0xE1);

}

// ÈÃÓ²ÅÌÐÝÃß(ͣת)/

void SpinDown()

{

WaitBSY();

WriteReg(_Status_Command,0xE0);

}

void main(void)

{

//Initialize

SCON=0x50;//´®¿Ú³õʼ»¯

TMOD=0x20; //²¨ÌØÂÊΪ57600bps

TCON=0x40;

PCON=0x80;

TH1=0xFf;

TL1=0xFf;

TR1=1;

send_string("IDE Control Demo. Power By DDDLZHU\x0d\x0a");//send welcome word

Rst=0; //IDE ¸´Î»

delay(50);

Rst=1;

delay(255);

send_string("Reset Driver OK...\x0d\x0a");

Init(); //³õʼ»¯Ó²ÅÌ

send_string("Initialize Driver OK,Now Read ID\x0d\x0a");

send_string("HardDisk ID is ....\x0d\x0a");

DriverID();//¶ÁÓ²ÅÌid

send_string("\n\nNow Read The First Sector On this HardDisk\x0d\x0a\x0d\x0a");

delay(244);

delay(244);

delay(244);

delay(244);

WriteCHS(0,0,1,16); //дµØÖ·

WaitBSY();

WriteReg(_Status_Command,0x20); //·¢ËͶÁÃüÁî

SendData();

send_string("\x0d\x0a\x0d\x0a Read OK,Now Shut Down The HardDisk..\x0d\x0a");

SpinDown();//Ó²ÅÌͣת

while(1);

}

//**************************************´®¿Ú×Ó³ÌÐò

void send_char(unsigned char word)

{

TI=0;

SBUF=word;

while(TI==0);

TI=0;

}

void send_string(unsigned char *word)

{

TI=0;

while(*word!=0)

{

SBUF=*word;

while(TI==0);

TI=0;

word ;

}

}

unsigned char get_char(void)

{

RI=0;

REN=1;

while(RI==0);

return(SBUF);

RI=0;

REN=0;

}

//88888888888888888888888888888888888888888

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