IBT Technologies IB791 User Manual page 63

void Lock_W697HF (void)
{
outportb(W697HF_INDEX_PORT, W697HF_LOCK);
}
//===========================================================================
void Set_W697HF_LD( unsigned char LD)
{
Unlock_W697HF();
outportb(W697HF_INDEX_PORT, W697HF_REG_LD);
outportb(W697HF_DATA_PORT, LD);
Lock_W697HF();
}
//===========================================================================
void Set_W697HF_Reg( unsigned char REG, unsigned char DATA)
{
Unlock_W697HF();
outportb(W697HF_INDEX_PORT, REG);
outportb(W697HF_DATA_PORT, DATA);
Lock_W697HF();
}
//===========================================================================
unsigned char Get_W697HF_Reg(unsigned char REG)
{
unsigned char Result;
Unlock_W697HF();
outportb(W697HF_INDEX_PORT, REG);
Result = inportb(W697HF_DATA_PORT);
Lock_W697HF();
return Result;
}
//===========================================================================
Filename：W697hf.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 __W697HF_H
#define __W697HF_H
//===========================================================================
#define W697HF_INDEX_PORT
#define W697HF_DATA_PORT
//===========================================================================
#define W697HF_REG_LD
//===========================================================================
#define W697HF_UNLOCK
#define W697HF_LOCK
//===========================================================================
unsigned int Init_W697HF(void);
void Set_W697HF_LD( unsigned char);
void Set_W697HF_Reg( unsigned char, unsigned char);
unsigned char Get_W697HF_Reg( unsigned char);
//===========================================================================
#endif //__W697HF_H
1
(W697HF_BASE)
(W697HF_BASE+1)
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IB791 User' s Manual
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APPENDIX
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