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Author Topic: Help first attempt at programming for X10 CM11A  (Read 2643 times)

scariba

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Help first attempt at programming for X10 CM11A
« on: November 01, 2011, 06:07:09 PM »
Hi,
I have a CM11A serial, connected to Win 7 via USB to serial connector.

Using the ActiveHome software everything functions as it should.

I'am writing my own software to communicate to the CM11A, however I have encountered a problem with the checksum return from the controller.

I send via the serial port; PC > 0x04 0x66

And should expect a checksum as 0x6a as documented elsewhere.

However I receive back the checksum 0x60 everytime, even after several writes to the com port.

Any pointers/thoughts would be most greatfully received.

Many Thanks
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Brian H

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Re: Help first attempt at programming for X10 CM11A
« Reply #1 on: November 02, 2011, 06:54:32 AM »
Did you set the clock first.
I understand it will just send set my time requests until it is satisfied.
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scariba

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Re: Help first attempt at programming for X10 CM11A
« Reply #2 on: November 02, 2011, 09:05:16 AM »
Hi,

Yes, the clock was set by the Activehome software and the CM11 was no longer polling for this info.

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