Lanner LEC-7900 User Manual download pdf (Page 28)

*****************************************************

if( strcmp(argv[1], "-wr") == 0 )

{

if( argc != 3 )

{

help();

return -1;

}

time = atoi(argv[2]);

printf("Setting Watchdog timer for System Reset...\n");

set_watchdog(time);

return 0;

}

else

{

help();

return -1;

}

return 0;

}

//;********************* set_watchdog

*****************************************************

int set_watchdog(int time)

{

int temp;

temp = time;

Enter_Configuation();

write_w83627UHG_reg(0x8, 0x30, 0x01); //;enable LDN8

write_w83627UHG_reg(0x8, 0xf6, temp); //LDN=8, CRF6, set watchdog

timer time-out value

Exit_Configuation();

return 0;

}

//;********************* Read SIO

*****************************************************

int read_w83627UHG_reg(int LDN, int reg)

{

outportb(INDEX_PORT, 0x07); //LDN register

delay(1);

outportb(DATA_PORT, LDN);

delay(1);

outportb(INDEX_PORT, reg);

delay(1);

return inportb(DATA_PORT);

}

//;********************* Write SIO

*****************************************************

int write_w83627UHG_reg(int LDN, int reg, int value)

{

outportb(INDEX_PORT, 0x07); //LDN register

delay(1);

outportb(DATA_PORT, LDN);

delay(1);

outportb(INDEX_PORT, reg);

delay(1);

outportb(DATA_PORT, value);

return 0;

}

//;********************* Enter SIO

*****************************************************

int Enter_Configuation()

{

outportb(INDEX_PORT, 0x87);

delay(1);

outportb(INDEX_PORT, 0x87);

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Lanner LEC-7900 User Manual Page 28

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