ADLINK MXC-6300 Series - Manual (Page 103)

Watchdog Timer (WDT) Function Library 91
MXC-6300
Appendix D: Watchdog Timer (WDT)
Function Library
This appendix describes use of the watchdog timer (WDT) func-
tion library for the MXC-6300 controller. The watchdog timer is a
hardware mechanism provided to reset the system if the operating
system or an application stalls. After starting, the watchdog timer
in the application must be periodically reset before the timer
expires. Once the watchdog timer expires, a hardware-generated
signal is sent to reset the system.
D.1 WDT with API/Windows
Matrix WDT API library files and a demo program (incl. source
code) can be found on the included driver CD or downloaded from
http://www.adlinktech.com.
To use the WDT function library for MXC-6300, include the header
file WDT.h and linkage library WDT.lib in the C++ project.
InitWDT
Initializes the watchdog timer function. Must be called before
the invocation of any other WDT function.
Syntax
C/C++
BOOL InitWDT()
Parameters
None
Return codes
TRUE
if watchdog timer is successfully initialized.
FALSE
if watchdog timer fails to initialize.
SetWDT
Sets the timeout value of the watchdog timer. There are two
parameters for this function to indicate the timeout ticks and