[RDD] Serial Switch Code
jeffares.robert at gmail.com
Sun Jul 5 17:55:22 EDT 2015
This is a bit off topic but likely someone in the group has already done
We have an audio fail alarm which monitors outgoing audio and as well as
sounding a local hooter, has a series of contact closures for 'no audio'
'someone has hit alarm reset' 'standby programme playing' ' normal
I had thought that wiring the contacts to a serial port and finding a
script that would monitor the contact closures would be easy.
Over confidence 1 Success 0
There must be some code somewhere which allows ttyS0 to be used as a
contact close alert.
I have googled and searched what code books I can find and I am stuck.
Any help, humorous comments, pointers to code, will be appreciated.
I would have thought the serial port would have been an obvious external
control point, but mostly it's where I can plug expensive external boxes.
The Wireless Station
Big Valley Radio
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