IBASE MB899X - Manual (Page 64)

APPENDIX
60 MB899X User’s Manual
Filename: W627hf.cpp
//=====================================================================
//
// 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.
//
//=====================================================================
unsigned int W627HF_BASE;
void Unlock_W627HF (void);
void Lock_W627HF (void);
//=======================================================================
unsigned int Init_W627HF(void)
{
unsigned int result; //0=NA, 1=627HF, 2=627THF, 4=627EHF
//
W627HF_BASE = 0x2E;
W627HF_BASE = 0x4E;
result = Get_W627HF_Reg(0x20);
if (result == 0x52)
{
result = 1;
goto Init_Finish;
}
else if (result == 0x82)
{
result = 2;
goto Init_Finish;
}
else if (result == 0x88)
{
result = 4;
goto Init_Finish;
}
//
W627HF_BASE = 0x4E;
W627HF_BASE = 0x2E;
result = Get_W627HF_Reg(0x20);
if (result == 0x52)
{
result = 1;
goto Init_Finish;
}
else if (result == 0x82)
{
result = 2;
goto Init_Finish;
}
else if (result == 0x88)
{
result = 4;
goto Init_Finish;
}
W627HF_BASE = 0x00;
result = 0;
Init_Finish:
return
(result);