IBASE Technology SI-334, Руководство пользователя

Страница: 82 / 84

74 SI-334 User Manual
F81846_BASE = 0x4E;
result = F81846_BASE;
ucDid = Get_F81846_Reg(0x20);
if (ucDid == 0x07)
//Fintek 81846
{ goto Init_Finish; }
F81846_BASE = 0x2E;
result = F81846_BASE;
ucDid = Get_F81846_Reg(0x20);
if (ucDid == 0x07)
//Fintek 81846
{ goto Init_Finish; }
F81846_BASE = 0x00;
result = F81846_BASE;
Init_Finish:
return (result);
}
//---------------------------------------------------------------------------
void Unlock_F81846 (void)
{
outportb(F81846_INDEX_PORT, F81846_UNLOCK); outportb(F81846_INDEX_PORT,
F81846_UNLOCK);
}
//---------------------------------------------------------------------------
void Lock_F81846 (void)
{
outportb(F81846_INDEX_PORT, F81846_LOCK);
}
//---------------------------------------------------------------------------
void Set_F81846_LD( unsigned char LD)
{
Unlock_F81846();
outportb(F81846_INDEX_PORT, F81846_REG_LD);
outportb(F81846_DATA_PORT, LD); Lock_F81846();
}
//---------------------------------------------------------------------------
void Set_F81846_Reg( unsigned char REG, unsigned char DATA)
{
Unlock_F81846(); outportb(F81846_INDEX_PORT, REG); outportb(F81846_DATA_PORT,
DATA); Lock_F81846();
}
//---------------------------------------------------------------------------
unsigned char Get_F81846_Reg(unsigned char REG)
{
unsigned char Result; Unlock_F81846();
outportb(F81846_INDEX_PORT, REG); Result = inportb(F81846_DATA_PORT);
Lock_F81846();
return Result;
}
//---------------------------------------------------------------------------