31
ucDid = Get_W627DHG_Reg(0x20);
if (ucDid == 0xA0)
//W83627DHG
{
goto Init_Finish;
}
else if (ucDid == 0xB0)
//W83627DHG-P
{
goto Init_Finish;
}
W627DHG_BASE = 0x00;
result = W627DHG_BASE;
Init_Finish:
return (result);
}
//---------------------------------------------------------------------------
void Unlock_W627DHG (void)
{
outportb(W627DHG_INDEX_PORT, W627DHG_UNLOCK);
outportb(W627DHG_INDEX_PORT, W627DHG_UNLOCK);
}
//---------------------------------------------------------------------------
void Lock_W627DHG (void)
{
outportb(W627DHG_INDEX_PORT, W627DHG_LOCK);
}
//---------------------------------------------------------------------------
void Set_W627DHG_LD( unsigned char LD)
{
Unlock_W627DHG();
outportb(W627DHG_INDEX_PORT, W627DHG_REG_LD);
outportb(W627DHG_DATA_PORT, LD);
Lock_W627DHG();
}
//---------------------------------------------------------------------------
void Set_W627DHG_Reg( unsigned char REG, unsigned char DATA)
{
Unlock_W627DHG();
outportb(W627DHG_INDEX_PORT, REG);
outportb(W627DHG_DATA_PORT, DATA);
Lock_W627DHG();
}
//---------------------------------------------------------------------------
unsigned char Get_W627DHG_Reg(unsigned char REG)
{
unsigned char Result;
Unlock_W627DHG();
outportb(W627DHG_INDEX_PORT, REG);
Result = inportb(W627DHG_DATA_PORT);
Lock_W627DHG();
return Result;
}
//---------------------------------------------------------------------------
Filename
：
W627DHG.h
//---------------------------------------------------------------------------
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
//---------------------------------------------------------------------------
#ifndef __W627DHG_H
#define __W627DHG_H
1
//---------------------------------------------------------------------------
#define
W627DHG_INDEX_PORT
(W627DHG_BASE)
#define
W627DHG_DATA_PORT
(W627D1)
//---------------------------------------------------------------------------
#define
W627DHG_REG_LD
0x07
//---------------------------------------------------------------------------
#define W627DHG_UNLOCK
0x87
#define
W627DHG_LOCK
0xAA
//---------------------------------------------------------------------------
unsigned int Init_W627DHG(void);
void Set_W627DHG_LD( unsigned char);
void Set_W627DHG_Reg( unsigned char, unsigned char);
unsigned char Get_W627DHG_Reg( unsigned char);
//---------------------------------------------------------------------------
#endif
//__W627DHG_H
