System Voltage, Temperature, Watchdog

[Jonathan Brewer]

How can we query the voltage received by the Multitech Conduit? What about its internal temperature?

Is there a system watchdog that can reboot the Multitech in the event is is unable to connect to the network?

[Jeff Hatch]

Johnathan,

>> How can we query the voltage received by the Multitech Conduit? What about its internal temperature?

There is no means to query the voltage powering the Conduit. The best idea I can come up with would be to use the AtoD on the GPIO card to measure the voltage by having some kind of device hooked up to the power cable and measuring the voltage, then outputting some conversion (from a reference voltage?) into the AtoD to represent the power voltage.

There is a way to get the internal temperature on a Conduit. Information for that is on the multitech.net site at http://www.multitech.net/developer/software/mlinux/using-mlinux/mlinux-configure-and-use-hardware-io/ under Temperature Sensor at the bottom of the page.

As for a watchdog, the aep model does have watchdog code that checks the radio and resets it if it is not responding. Also, the pppd daemon should detect if the connection is dropped and try to re-connect.

Jeff

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