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C. Watchdog Timer Configuration
The WDT is used to generate a variety of output signals after a user
programmable count. The WDT is suitable for use in the prevention of
system lock-up, such as when software becomes trapped in a deadlock.
Under these sorts of circumstances, the timer will count to zero and the
selected outputs will be driven. Under normal circumstance, the user
will restart the WDT at regular intervals before the timer counts to zero.
SAMPLE CODE:
//===========================================================================
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
//===========================================================================
#include <stdio.h>
#include <stdlib.h>
#include "W627EHF.H"
//===========================================================================
int main (int argc, char *argv[]);
void copyright(void);
void EnableWDT(int);
void DisableWDT(void);
//===========================================================================
int main (int argc, char *argv[])
{
unsigned char bBuf;
unsigned char bTime;
char
**endptr;
copyright();
if (argc != 2)
{
printf("
Parameter
incorrect!!\n");
return
1;
}
if (Init_W627EHF() == 0)
{
printf(" Winbond 83627HF is not detected, program abort.\n");
return
1;
}
bTime = strtol (argv[1], endptr, 10);
printf("System will reset after %d seconds\n", bTime);
EnableWDT(bTime);
return
0;
}
//===========================================================================
29
2807950 User's Manual
Summary of Contents for 2807950
Page 1: ...User s Manual Version 1 0 April 2008 Mini ITX Motherboard 2807950 2807950 User s Manual ...
Page 16: ...Connector Locations on 2807950 12 2807950 User s Manual ...
Page 17: ...2807950 Solder Side 13 2807950 User s Manual ...
Page 30: ...INSTALLATIONS This page is intentionally left blank 26 2807950 User s Manual ...