[PLUG] It worked yesterday...

Galen Seitz galens at seitzassoc.com
Thu Dec 13 18:43:04 UTC 2007


Richard C. Steffens wrote:
> Terry Griffin wrote:
>> On Thu, December 13, 2007 9:04 am, Wil Cooley wrote:
>>> [snip]
>>>
>>> What does the 'x10 checksum error' below mean?
>>>
>>> [snip]
>> The fancier X10 controllers have checksums built in to the
>> serial protocol. The software is saying that things are not
>> adding up, literally.
>>
>> This can be caused by several things:
>> 1. The controller itself is misbehaving.
>> 2. Serial communications between the PC and the controller are
>>    out-of-sync for some reason.
>> 3. The serial port is misconfigured.
>>
>> Given that it worked recently I'm assuming #1 or #2. Resetting
>> the controller should clear it up, I hope.
> 
> Now, when I try to run the X10 program from the command line, it does
> "nothing" until I hit <ctrl-C>.
> 

Just guessing here, but perhaps you've got multiple instances of the 
X10 program running.  They could be fighting over serial port access.

galen




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