ADLINK Technology DLAP-8000 Series, Руководство пользователя

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80 Watchdog Timer (WDT) Function Library
Leading
EDGE COMPUTING
SetWDT
Sets the timeout value of the watchdog timer. There are two
parameters for this function to indicate the timeout ticks and
unit. ResetWDT or StopWDT should be called before the expi-
ration of watchdog timer, or the system will reset.
Syntax
C/C++
BOOL SetWDT(BYTE tick, BYTE unit)
Parameters
tick
Specify the number of ticks for watchdog timer. A valid value
is 1 - 255.
unit
Specifies the timeout ticks of the watchdog timer.
Return codes
TRUE
if timeout value of watchdog timer is successfully set.
FALSE
if timeout value of watchdog timer is failed to set.
StartWDT
Start the watchdog timer function. Once the StartWDT is
invoked, the watchdog timer starts. ResetWDT or StopWDT
should be called before the expiration of watchdog timer, or the
system will reset.
Syntax
C/C++
BOOL StartWDT()
Value Description
0
The unit for one tick is one second. For example, when one
tick is specified as 100 and the unit as 0, the timeout value is
100 seconds.
1
The unit for one tick is one minute. For example, whenone
tick is specified as 100 and the unit as 1, the timeout value is
100 minutes.