FAQs
The watchdog timer is a feature on the Brainboxes ED range that performs a specific operation after a certain period of time if something goes wrong with the system and the system does not recover on its own. The watchdog timer can time out under 1 of 2 user programmable circumstances:
- Communication link – The host computer has not communicated with the ED within the timeout period.
- Hardware – The firmware inside the ED has not reset the timer.
In Brainboxes ED products there are 5 ASCII commands that deal with the watchdog:
| ~** | No Response | Host Ok | All ‘ED’ Devices |
| ~AA0 | !AASS | Read Watchdog Timeout Status | All ‘ED’ Devices |
| ~AA1 | !AA | Reset Watchdog Timeout Status | All ‘ED’ Devices |
| ~AA2 | !AAVV | Read Watchdog Timeout Settings | All ‘ED’ Devices |
| ~AA3EVV | !AA | Set Watchdog Timeout Value | All ‘ED’ Devices |
You can also configure the safe value on the ED device’s webpage:
FAQs
