ADLINK Technology MI-220, Руководство пользователя

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Watchdog Timer 67
MI-220
Appendix A - Watchdog Timer
Watchdog Timer sample code for the MI-220 is as follows.
WDT Sample Code
void SIOConfigEnter ()
{
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_CONFIG_MODE_ENTER_VALUE);
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_CONFIG_MODE_ENTER_VALUE);
}
void SIOConfigExit ()
{
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_CONFIG_MODE_EXIT_VALUE);
}
void Oem_WDT_Init (
IN SETUP_DATA *SetupData
)
{
UINT8 Data8;
SIOConfigEnter();
IoWrite8 (NCT6776F_CONFIG_INDEX , 0x2C); //
Pin113 function selection to TSIC
Data8 = IoRead8(NCT6776F_CONFIG_DATA) | 0x01;
IoWrite8 (NCT6776F_CONFIG_DATA , Data8);
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_LDN_SEL_REGISTER);
IoWrite8 (NCT6776F_CONFIG_DATA , NCT6776F_LDN_GPIO2);
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_ACTIVATE_REGISTER);
Data8 = IoRead8(NCT6776F_CONFIG_DATA) | 0x04;
IoWrite8 (NCT6776F_CONFIG_DATA , Data8);
IoWrite8 (NCT6776F_CONFIG_INDEX ,
NCT6776F_LDN_SEL_REGISTER);