User's Manual

49 TREK-572/303 User Manual
Chapter 6 Software Demo Utility Setup
6.4 WatchDog Sample Code
TREK V3 Watch Dog Sample Code is demonstration of controlling Watch Dog.
System Menu
 TREK V3 Watch Dog Sample Code as below figure
1. Library Version
2. Range of Watch Dog timer
3. Set/Get Watch Dog time
4. Enable Watch Dog timer
5. Reload the watchdog timer to prevent the system from rebooting
Testing Watch Dog
1. Opening "TREK_V3_Sample_Code_Watch_Dog.exe"
2. Press "Get Range" button to check the range of watch dog timer
3. Input the time which you want system keep alive. For example 1 minute as
below figure
4. Press "Start WD Timer" to enable watch dog timer
5. Press "Trigger timer" to tell the watch dog system still alive