[PD-dev] Keyspan serial control

[B. Bogart]

no [serial] in pd.

use one of the PD installers: at.or.at/hans/

"software" -> "pd" -> "installers"

should have the right [comport] with working help.. I hope.

b.

Jasper van den Brink wrote:
> I am using Pd version 0.38.3
> If i create a [comport] object and click the right mouse button for help,
> the help file doenst say anything about parity etc. Am i using the wrong
> version?
>
> I remember talking to somebody about max msp and about the [spell] object.
> Is that something useful for ascii translation?
>
> In max you can make [serial] object.. Not in Pd?
>
> Cheers jasper
>
>
> On 8/31/05 2:55 PM, "B. Bogart" <ben at ekran.org> wrote:
>
>
>>What PD are you using? can you create a [comport] object?
>>
>>Try right clicking to get the help for [comport] to set the parity, flow
>>control etc, and also the devicename.
>>
>>the message pp2500 would then be created with a stream of decimal bytes
>>like:
>>
>>112, 112, 50, 53, 48, 48
>>
>>"112" is the byte that incodes "p" in ascii
>>
>>you may need a "return" at the end:
>>
>>112, 112, 50, 53, 48, 48, 10
>>
>>if you put the above in a message box and send it to the unit through
>>the comport object you should be in business.
>>
>>I don't have any ASCII encoding table here, so I used the pd "key"
>>object, which I'm not sure is correct...
>>
>>b.
>>
>>Jasper van den Brink wrote:
>>
>>>Hi b,
>>>Thanks for the reply.
>>>Its not a camera that i use, its a pan tilt unit FOR a camera.
>>>The ptu is made by dperception.com and it has a rs232 controller.
>>>It listens to commands like pp2500 (pan position 2500) and tp600 (tilt
>>>position 600).
>>>I am an new to this kind of programming. Sorry i dont understand really what
>>>you mean. I hope somebody can make a Pd patch for me that i can try and see
>>>if it works. I am not good in this. My excuses.
>>>
>>>Cheers jasper
>>>
>>>
>>>On 8/31/05 2:35 PM, "B. Bogart" <ben at ekran.org> wrote:
>>>
>>>
>>>
>>>>Hi Jasper,
>>>>
>>>>What camera did you get?
>>>>
>>>>I'm been using Canon and Elmo serial control cameras in PD the last
>>>>couple months.
>>>>
>>>>For canon and elmo the protocol documentation states the raw bytes one
>>>>needs to send to the camera. I thought this was the norm so I'm suprised
>>>>your getting anything out of a terminal program, since I've been no
>>>>other cameras that consider the ascii meaning of each byte as significant.
>>>>
>>>>Anyhow thats beside the point.
>>>>
>>>>When using the comport object in PD you have to send each byte as a
>>>>decimal integer. So you only send it messages from 0-255. It is a very
>>>>low level interface as things like "\n" are just anyther number from
>>>>0-255. Marc Lavallee has written a package called ascii that takes 0-255
>>>>and makes symbols and lists out of it, it also takes symbols and lists
>>>>and turns it back into dec bytes.
>>>>
>>>>My pan/tilt command looks like this:
>>>>
>>>>129, 1, 6, 2, 18, 18, 4, 4, 1, 0, 1, 11, 0, 0, 255
>>>>
>>>>where each "," sends a different message one after the other.
>>>>
>>>>I have used the keyspan on OSX using comport and it works fine. I used
>>>>the version in the CVS in the iem folder, but It does not have a darwin
>>>>makefile, but copying the makefile directly from the PD externals
>>>>documentation worked fine. Also since your keyspan is not a ttyS* you'll
>>>>need to set the comport device name manually. Check out the help patch
>>>>on how to do this.
>>>>
>>>>I was thinking of releasing an interface abstraction for this elmo
>>>>camera...
>>>>
>>>>Good luck.
>>>>
>>>>b/.
>>>>
>>>>Jasper van den Brink wrote:
>>>>
>>>>
>>>>>Hello all,
>>>>>I am new to pd and dont have any experience with pd to, i am learning.
>>>>>What i am trying to make is a controller for a rs-232 pan/tilt unit.
>>>>>I managed to give commands with zterm and it works fine. Command like
>>>>>pp2500
>>>>>will set the pan movement to step 2500 for example.
>>>>>First thing i want to try is to give commands like that with Pd.
>>>>>
>>>>>The settings for the pan/tilt unit are:
>>>>>The host terminal or computer should be set to 9600 baud, 1 start bit, 8
>>>>>data bits, 1 stop bit, and no parity. Hardware handshaking and XON/XOFF are
>>>>>not used.
>>>>>
>>>>>Using OSX 10.3.9
>>>>>
>>>>>The keyspan serial adaptor is: USA19QW181P1.]
>>>>>
>>>>>I have been looking everywhere to see if i could find an example howto just
>>>>>give simple commands to the pan/tilt unit but i cant find it anywhere.
>>>>>
>>>>>Would somebody be able to send me a Pd patch for it?
>>>>>
>>>>>Thanks a lot, cheers
>>>>>
>>>>>jasper
>>>>>
>>>>>
>>>>>
>>>>>_______________________________________________
>>>>>PD-dev mailing list
>>>>>PD-dev at iem.at
>>>>>http://lists.puredata.info/listinfo/pd-dev
>>>>>
>>>
>>>
>>>
>>>
>
>
>
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