Re: Problem With CM11A, ActiveHome 3.5 and Keyspan USB/Serial

[David White <whitedavidp@xxxxxxxxxxx>]

For those who care:

Seems that Keyspan has some new drivers for Windows that are in Beta
test. After installing these, all seems to work well.

Thanks.

Dave Houston wrote:
> David White <whitedavidp@xxxxxxxxxxx> wrote:
>
>> Hello. On the 1st, I used the built-in COM port on my computer to reset
>> the clock and timers on my X10 CM11A. I do this every year. I used
>> version 3.5 of ActiveHome and all went well as usual.
>>
>> I recently purchased a Keyspan USB->Serial adapter and installed the
>> latest drivers. I have used it a little and so far it seems to work
>> fine. But tonite I tried it with ActiveHome. It seems to work at least
>> to some extent. By this, I mean that the communications module seems to
>> load/unload, that the communications test reports all is well, and that
>> I can turn modules on/off.
>>
>> However, the set interface clock function seems to be having problems.
>> It never seems to stop reading the time on the CM11A and no results are
>> displayed. After checking the log from the Keyspan, I can see the
>> command 0x8B is sent but it appears that the read never completes. After
>> googling a bit I have seen that the 0x8B should return 16 bytes of data.
>> However, I never see more than 12-14 returned.
>>
>> So I guess my question is: have others seen this? Any ideas/fixes? Thanks.
>
> My guess is that X-10's programmers have set a time limit for receiving the
> data. All USB-serial adapters are slower than regular RS232 because two
> translations have to be made, one for each end of the USB link. You'll
> probably have to use the real COM port for this task.
>
> http://davehouston.net
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