
23
Programming Watchdog Timer
Embedded and Industrial Computing
Appendix B
DIRECT_IO_ACCESS=1, use the command: “./
wd_tst --swt xxx” to start the watchdog timer
instead .
Watchdog timer can support two functions, 2.
- system rest or LAN bypass. However, only
one function can be activated at a time. You
should modify the code or switch it to the
desired state/function accordingly.
For more details, refer to the README file 3.
Install on Windows
Refer to Appendix A: Lanner GPIO driver installation to
install Lanner GPIO driver first and then Install GPIO_Demo.
msi
Execute via the Demo Program
This Demo program provides graphic interface for you to
assign/read value on the specific GPIO pins.
To access the program, click start->programs->Lanner
GPIO Demo->Demo
Watchdog Timer Demo:
Enter the number of seconds to start count down before
the system can be reset. Press start to start the counter
and stop to stop the counter.
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