APPENDIX
70
MI970 User’s Manual
//---------------------------------------------------------------------------
void EnableWDT(int interval)
{
unsigned char bBuf;
bBuf = Get_F81865_Reg(0x2B);
bBuf &= (~0x20);
Set_F81865_Reg(0x2B,
bBuf);
//Enable
WDTO
Set_F81865_LD(0x07);
//switch
to
logic
device
7
Set_F81865_Reg(0x30,
0x01);
//enable
timer
bBuf = Get_F81865_Reg(0xF5);
bBuf &= (~0x0F);
bBuf |= 0x52;
Set_F81865_Reg(0xF5,
bBuf);
//count
mode
is
second
Set_F81865_Reg(0xF6,
interval);
//set
timer
bBuf = Get_F81865_Reg(0xFA);
bBuf |= 0x01;
Set_F81865_Reg(0xFA,
bBuf);
//enable
WDTO
output
bBuf = Get_F81865_Reg(0xF5);
bBuf |= 0x20;
Set_F81865_Reg(0xF5,
bBuf);
//start
counting
}
//---------------------------------------------------------------------------
void DisableWDT(void)
{
unsigned char bBuf;
Set_F81865_LD(0x07);
//switch
to
logic
device
7
bBuf = Get_F81865_Reg(0xFA);
bBuf &= ~0x01;
Set_F81865_Reg(0xFA,
bBuf);
//disable
WDTO
output
bBuf = Get_F81865_Reg(0xF5);
bBuf &= ~0x20;
bBuf |= 0x40;
Set_F81865_Reg(0xF5,
bBuf);
//disable
WDT
}
//---------------------------------------------------------------------------
Содержание MI970F
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