Ibase IB970 Manual de usuario descargar pdf (Pagina 76)

APPENDIX

IB970 User’s Manual

}

//---------------------------------------------------------------------------

void EnableWDT(int interval)

{

unsigned char bBuf;

bBuf = Get_F81866_Reg(0x2B);

bBuf &= (~0x20);

Set_F81866_Reg(0x2B, bBuf); //Enable WDTO

Set_F81866_LD(0x07); //switch to logic device 7

Set_F81866_Reg(0x30, 0x01); //enable timer

bBuf = Get_F81866_Reg(0xF5);

bBuf &= (~0x0F);

bBuf |= 0x52;

Set_F81866_Reg(0xF5, bBuf); //count mode is second

Set_F81866_Reg(0xF6, interval); //set timer

bBuf = Get_F81866_Reg(0xFA);

bBuf |= 0x01;

Set_F81866_Reg(0xFA, bBuf); //enable WDTO output

bBuf = Get_F81866_Reg(0xF5);

bBuf |= 0x20;

Set_F81866_Reg(0xF5, bBuf); //start counting

}

//---------------------------------------------------------------------------

void DisableWDT(void)

{

unsigned char bBuf;

Set_F81866_LD(0x07); //switch to logic device 7

bBuf = Get_F81866_Reg(0xFA);

bBuf &= ~0x01;

Set_F81866_Reg(0xFA, bBuf); //disable WDTO output

bBuf = Get_F81866_Reg(0xF5);

bBuf &= ~0x20;

bBuf |= 0x40;

Set_F81866_Reg(0xF5, bBuf); //disable WDT

}

//---------------------------------------------------------------------------

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Ibase IB970 Manual de usuario Pagina 76