IBASE Technology MB899, Руководство пользователя, Страница: 66 / 68

APPENDIX
62 MB899 User’s Manual
void copyright(void)
{
printf("\n========
Winbond 83627EHF Watch Timer Tester (AUTO DETECT) ========\n"\
" Usage : W627E_WD reset_time\n"\
" Ex : W627E_WD 3 => reset system after 3 second\n"\
" W627E_WD 0 => disable watch dog timer\n");
}
//===========================================================================
void EnableWDT(int interval)
{
unsigned char bBuf;
bBuf = Get_W627EHF_Reg( 0x2D);
bBuf &= (!0x01);
Set_W627EHF_Reg( 0x2D, bBuf); //Enable WDTO
Set_W627EHF_LD(
0x08); //switch to logic device 8
Set_W627EHF_Reg( 0x30, 0x01); //enable timer
bBuf = Get_W627EHF_Reg( 0xF5);
bBuf &= (!0x08);
Set_W627EHF_Reg( 0xF5, bBuf); //count mode is second
Set_W627EHF_Reg( 0xF6, interval); //set timer
}
//===========================================================================
void DisableWDT(void)
{
Set_W627EHF_LD(0x08);
//switch to logic device 8
Set_W627EHF_Reg(0xF6, 0x00); //clear watchdog timer
Set_W627EHF_Reg(0x30, 0x00); //watchdog disabled
}
//===========================================================================