IBASE Technology ET977, Руководство пользователя

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56 ET977 Series
User’s Manual
//Disable F81804 WDT
void F81804WdtDisable(){
F8104EnterConfig();
F8104ProgramRegister(0x07, 0x00, 0x07);
F8104ProgramRegister(0x30, 0x00, 0x00);
F8104ProgramRegister(0xF5, 0xF0, 0x52); //count mode is second
F8104ProgramRegister(0xF6, 0x00, 0xFF); //set timer 0xFF seconds
F8104ProgramRegister(0xFA, 0xFE, 0x00); //Disable WDTO output
F8104ProgramRegister(0xF5, 0xDF, 0x00); //start counting
F8104ExitConfig();
}
//Enable F81804 WDT
void F81804WdtEnable(UINT8 time){
F8104EnterConfig();
F8104ProgramRegister(0x27, ~(BIT3|BIT2|BIT0), BIT3);
F8104ProgramRegister(0x2A, ~(BIT4|BIT5|BIT6), (BIT5|BIT6));
F8104ProgramRegister(0x07, 0x00, 0x07);
F8104ProgramRegister(0x30, 0x00, 0x01);
F8104ProgramRegister(0xF5, 0xF0, 0x52); //count mode is second
F8104ProgramRegister(0xF6, 0x00, time); //set timer time seconds
F8104ProgramRegister(0xFA, 0xFE, 0x01); //enable WDTO output
F8104ProgramRegister(0xF5, 0xFF, 0x20); //start counting
F8104ExitConfig();
}