Sony PJ Talk Protocol

[AlexWHughes]

Hello,

I was just wondering if anyone has managed to get Widget manager to talk to sony projectors over PJtalk. I've read a bit about the way it sends data but I really don't want to reinvent the wheel if I don't have to.

[Christopher Fluegel]

Hi Alex,

maybe you find something in the manual of the projector that you can talk to it via TCP commands over ethernet?

[AlexWHughes]

Best I can find is this

http://ec1.images-amazon.com/media/i3d/ ... 015642.pdf


But I can't make head nor tail of how to actually implement it.

[Dennis Kuypers]

Hi Alex,

I looked at the PJCP specifications and unfortunately Sony does not explain it very good. It is not clear how the checksum is supposed to work.
Nevertheless you can try the following: In Widget designer, create a new connection to the projector at port 53484

This should switch the projector input to S-Video.

Code: Select all

TCPSend,1,[h01 h00 ha9 h00 h01 h00 h00 h01 h01 h9a]

If it does not work, try

Code: Select all

TCPSend,1,[h01 h00 ha9 h00 h01 h00 h00 h01 h00 h9a]

Note that the projector might disconnect you after 60 seconds.

Here is the explanation of the package

HEADER h01 h00
START ha9 (always ha9)
ITEM NUMBER h00 h01 (00 01 means input)
COMMAND h00 (00 means set command)
DATA h00 h01 (00 01 means S-Video)
CHECKSUM h?? (this is the item in question)
END h9a (always h9a)

best regards
Dennis

[AlexWHughes]

Thanks for your help Dennis. Do you have any example files for projector control?

[Dennis Kuypers]

Hi Alex,
you can create a project by yourself real quick. To get help on how to set up a TCP connection, please refer to the manual (http://manual.coolux.de/#tcp_wdconnm.htm). After that, you only need to create a CustomScript Button and add one of the scripts i provided. That's it

Best Regards
Dennis

[AlexWHughes]

I am still having issues with this. I can't get the S-video command or work out what the power on/off command would be.

Any suggestions

Found some more documentation
http://www.kavena.se/fileadmin/uploads/ ... otocol.pdf

[Markus Zeppenfeld]

Hi Alex,

unfortunately we cannot provide you any more detail on the necessary commands.
We can lead you how to establish a connection from the WD side, but we do not know the commands for each single projector. Maybe some other users in here have more experience with this special one.

Sorry for the moment!
Markus

[AlexWHughes]

I managed to get the S-video command to work but I still can't work out what the command for input 2 or the power on/off command would be.

[Linton9]

ON:

Code: Select all

TCPSend,1,[h01 h00 hA9 h17 h2F h00 h00 h00 h3F h9A]

OFF:

Code: Select all

TCPSend,1,[h01 h00 hA9 h17 h2E h00 h00 h00 h3F h9A]

[AlexWHughes]

ON:

Code: Select all

TCPSend,1,[h01 h00 hA9 h17 h2F h00 h00 h00 h3F h9A]

OFF:

Code: Select all

TCPSend,1,[h01 h00 hA9 h17 h2E h00 h00 h00 h3F h9A]

Thanks Lynden. How did you arrive at those numbers

[Linton9]

Working backwards from what you worked out... and with the help of Dennis' earlier post...

HEADER h01 h00
START ha9 (always ha9)
ITEM NUMBER h00 h01 (00 01 means input)
COMMAND h17 (Sets 15 bit category - According the the protocol manual, the ON/OFF command is in the 15 bit category [table 4])
DATA h2E (h2E means ON, h2F means OFF)
CHECKSUM h00 h00 h00 h3F (you'll have to explain this one to me)
END h9a (always h9a)