Forum: RDM Physical Layer/Hardware Discussion
February 15th, 2017
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Replies: 1
Views: 10,049
Hardware: Grounding of host. Opinions?
Hello
I have been grappling with this for a while.
If I build a DMX transmitter / RDM host, what should I do with the RS485 Common?
My standard way is to be a non isolated transmitter as per...
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Forum: RDM General Implementation Discussion
June 30th, 2016
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Replies: 5
Views: 14,043
Thanks everyone.
It is more of a question as...
Thanks everyone.
It is more of a question as to how to handle it and not as much as finding an actual cause. IU was not able to find out in the spec of what shoudl happen in such a case.
...
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Forum: RDM General Implementation Discussion
June 29th, 2016
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Replies: 5
Views: 14,043
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Forum: RDM Timing Discussion
May 26th, 2015
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Replies: 10
Views: 22,824
Great minds think alike.
as I type this,...
Great minds think alike.
as I type this, our porgrammer is trying to split the reception into to DMA transfers.
First after 3 bytes to get the length and then another transfer for the rest.
...
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Forum: RDM Timing Discussion
May 26th, 2015
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Replies: 10
Views: 22,824
Eric, I know.
The responder has no chance...
Eric, I know.
The responder has no chance of processing the packet due to OS lag. that is why we are responding with ACK_TIMER as already discussed in another thread here.
I am not sure how...
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Forum: RDM Timing Discussion
May 26th, 2015
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Replies: 10
Views: 22,824
Hi again
I have just concluded the...
Hi again
I have just concluded the following:
The controller timing has to allow 2.8ms for a responder to answer.
Interpreting that, any controller must thus wait 2.8ms to recieve a...
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Forum: RDM Timing Discussion
May 26th, 2015
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Replies: 10
Views: 22,824
Hi and thanks.
This is a responder based on...
Hi and thanks.
This is a responder based on a Linux non real time environment.
The OS is busy doing heaps of other stuff so we are not able to use interrupts as it takes too much cpu time and we...
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Forum: RDM Timing Discussion
May 25th, 2015
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Replies: 10
Views: 22,824
Responder Packet Timing issue
Hello
We have just ran into a problem with the timinig as follows:
Table 3-3 Resonder Packet Timing
Line 1 Receive: Inter-slot time Max = 2.1ms
Table 3-4
Line 1 Controller request...
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Forum: RDM General Implementation Discussion
April 12th, 2015
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Replies: 3
Views: 10,683
Yes, understood.
My understanding is that...
Yes, understood.
My understanding is that only discovery messages are not alowed ACK_TIMER.
I don't think they (software guru) meant that the ACK_TIMER will be very long. It is just that he...
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Forum: RDM General Implementation Discussion
April 12th, 2015
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Replies: 3
Views: 10,683
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Forum: RDM Interpretation Questions
April 8th, 2014
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Replies: 5
Views: 15,863
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Forum: RDM Interpretation Questions
April 7th, 2014
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Replies: 5
Views: 15,863
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Forum: RDM Interpretation Questions
April 7th, 2014
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Replies: 5
Views: 15,863
DEVICE_INFO - Device model ID
Hello
It has been a while again since I worked on RDM.
Does the model ID have to be different for devices of the same tyoe but with a different channel no?
I am asking here about dimmers in...
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Forum: RDM Physical Layer/Hardware Discussion
October 31st, 2013
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Replies: 2
Views: 12,136
DMX splitter with Rdm - design
Hello
I am looking at designing a new DMX splitter. The question is whether I can make it RDM compliant or not, given the cost retraints.
Can one have such a splitter without a whole Proxy...
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Forum: RDM General Implementation Discussion
October 31st, 2013
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Replies: 2
Views: 8,073
QUEUED_MESSAGE - must controllers support this?
Hello group
Am just wondering about the queued messages again.
We have a controller here which does not fetch them from our device.
One needs to rediscover to update anything from the device....
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Forum: RDM Interpretation Questions
September 26th, 2013
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Replies: 1
Views: 9,423
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Forum: RDM General Implementation Discussion
August 15th, 2013
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Replies: 13
Views: 15,437
Hello again
One more question...
My...
Hello again
One more question...
My subdevice labels (DEVICE_LABEL) are linked to the root label + some extension.
Do I need to generate QUEUED_MESSAGE for each subdevice DEVICE_LABEL when...
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Forum: RDM General Implementation Discussion
August 1st, 2013
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Replies: 13
Views: 15,437
Hi again
Ok, I have changed it so the...
Hi again
Ok, I have changed it so the MODEL_DESCRIPTION is not the same for all subdevices and the DEVICE_LABEL differs.
Now, the Enttech USB Pro shows me the same MODEL_DESCRIPTION as...
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Forum: RDM General Implementation Discussion
August 1st, 2013
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Replies: 13
Views: 15,437
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Forum: RDM General Implementation Discussion
August 1st, 2013
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Replies: 13
Views: 15,437
Hi Scott
There is only 1 single model ID...
Hi Scott
There is only 1 single model ID for the whole unit.HOwever, the DEVICE_MODEL_DESCRIPTION is different for each subdevice at the moment.
Should I change it?
I could stop supporting...
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Forum: RDM General Implementation Discussion
August 1st, 2013
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Replies: 13
Views: 15,437
Hi
I have added the support for...
Hi
I have added the support for DEVICE_LABEL on GET with the subdevices.
I am interested in what Eric wrote in that he has seen the labels being "Channel 1" etc. I have this but I have used...
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Forum: RDM General Implementation Discussion
July 30th, 2013
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Replies: 13
Views: 15,437
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Forum: RDM General Implementation Discussion
July 30th, 2013
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Replies: 13
Views: 15,437
Hi
Thanks for the reply!
Good to see that...
Hi
Thanks for the reply!
Good to see that things are still active!
It has been quite a while since I worked on RDM so everything has gone rusty
:confused:
It has been so long that I can't...
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Forum: RDM General Implementation Discussion
July 30th, 2013
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Replies: 13
Views: 15,437
Subdevice labelling question
Hello
I hope this forum is still active...
I have a device with subdevices (channels of the root device).
The root supports DEVICE_LABEL (GET SET) but my subdevices do not support that.
...
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Forum: RDM General Implementation Discussion
May 30th, 2012
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Replies: 4
Views: 11,169
Hello and thanks.
I was only considering it...
Hello and thanks.
I was only considering it becaue the actual assignment of the UID is a process which our manufacturers struggle with and it is easy to get it wrong or not do it alltogther.
...
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Forum: RDM General Implementation Discussion
May 28th, 2012
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Replies: 4
Views: 11,169
RDM Master UID assignment question
Hello
Can I make all the RDM masters of a certain type of product/ model have the same UID?
I am just wondering because there can only ever be one master on the bus so it should not matter.
...
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Forum: RDM General Implementation Discussion
December 13th, 2010
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Replies: 2
Views: 10,137
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Forum: RDM General Implementation Discussion
May 24th, 2010
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Replies: 33
Views: 32,484
Hello
I have for the moment made it a...
Hello
I have for the moment made it a GET_COMMAND_RESPONSE with the logic that QUEUED_MESSAGES is a GET_COMMAND.
If we want to have a SET_COMMAND_RESRESPONSE, then most queued messages would...
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Forum: RDM General Implementation Discussion
May 23rd, 2010
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Replies: 33
Views: 32,484
Hello,
Are the responces always of CC =...
Hello,
Are the responces always of CC = GET_COMMAND_RESPOSE ?
Example, DEVICE_RESET.
My device has reset and I am generating a queued message.
Is that message GET_COMMAND_RESPOSE ?
I...
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Forum: RDM General Implementation Discussion
May 19th, 2010
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Replies: 33
Views: 32,484
Hello,
So far so good.
One more thing: ...
Hello,
So far so good.
One more thing:
What happens with the STATUS_GET_LAST_MESSAGE response if
there is no last message to resend (sort of after power up etc)?
Regards
Bernt
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Forum: RDM General Implementation Discussion
May 18th, 2010
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Replies: 33
Views: 32,484
Hello,
Ok, understood. Simple.
But...
Hello,
Ok, understood. Simple.
But where in the response does the responder set which subdevice is actualluy responding? Is it just byte 3/4 ?
In other words does the controller Send...
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Forum: RDM General Implementation Discussion
May 17th, 2010
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Replies: 33
Views: 32,484
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Forum: RDM General Implementation Discussion
March 2nd, 2010
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Replies: 33
Views: 32,484
Hi Eric
I have understood that and I am...
Hi Eric
I have understood that and I am looking into it :)
However, the GET_LAST_MESSAGE will need special attention or do you then just store the bit number / mask of the last message...
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Forum: RDM General Implementation Discussion
March 2nd, 2010
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Replies: 33
Views: 32,484
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Forum: RDM General Implementation Discussion
March 2nd, 2010
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Replies: 33
Views: 32,484
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Forum: RDM General Implementation Discussion
March 2nd, 2010
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Replies: 33
Views: 32,484
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Forum: RDM General Implementation Discussion
March 2nd, 2010
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Replies: 33
Views: 32,484
Hello,
Here is an example:
A root...
Hello,
Here is an example:
A root device parameter is changed on the front panel of the device or with RDM.
This results in several parameters in each of up to 24 subdevices to change....
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Forum: RDM General Implementation Discussion
March 1st, 2010
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Replies: 33
Views: 32,484
Hi Scott
How can that be?
The...
Hi Scott
How can that be?
The specification does not mandate queued messages nor does it mandate the specific contents of supported queued mesages.
To assume that even if queued messages...
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Forum: RDM General Implementation Discussion
March 1st, 2010
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Replies: 33
Views: 32,484
Refreshing of paramters need Queued Messages?
Hello,
I am just having this converstion with someone and I am now wondering.
I thought a controller should either manually (button) or periodically refresh paramters FROM a device.
...
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Forum: RDM General Implementation Discussion
November 29th, 2009
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Replies: 4
Views: 11,664
Hello,
Thank yopu Scott, Peter.
Ok,...
Hello,
Thank yopu Scott, Peter.
Ok, so the PID is unique to the manufaturer code and not the model code.
That is easy and makes sense.
I do not understand the adding of offset x8000 to a...
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Forum: RDM General Implementation Discussion
November 26th, 2009
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Replies: 4
Views: 11,664
Manufacturer Specific Pids
Hello all,
What is the general concesus about manufacturer specific PIDs?
Should a manufacturer use a specific PID only once or should they be start at 8000 for each different model but...
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Forum: RDM General Implementation Discussion
November 8th, 2009
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Replies: 9
Views: 14,437
QUEUED_MESSAGE - ?
Hello,
I am not sure how to tread this pid. Currenlty I am not supporting it as it isn;t mandatory but I noticed earlier today that the 2 controllers (theya re not related) I have available here...
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Forum: RDM General Implementation Discussion
October 28th, 2009
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Replies: 3
Views: 11,470
Hi Peter,
Our immediate requirement would...
Hi Peter,
Our immediate requirement would be for reporting some sort of POWER_FAULT.
My direct application is for the detection of a Neutral / Earth fault. This happens when a voltage between...
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Forum: RDM Interpretation Questions
October 22nd, 2009
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Replies: 10
Views: 15,937
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Forum: RDM Interpretation Questions
October 22nd, 2009
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Replies: 10
Views: 15,937
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Forum: RDM Interpretation Questions
October 22nd, 2009
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Replies: 10
Views: 15,937
Hi Scott,
I see where you are coming from...
Hi Scott,
I see where you are coming from and I suppose one could do the reset for both types requessted.
However, what you say about "any value" somehow does not sound right.
Why else would...
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Forum: RDM Interpretation Questions
October 22nd, 2009
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Replies: 10
Views: 15,937
RESET_DEVICE
Hi all
If a device can only support one of the 2 reset types (cold/warm) than should it NACK the other as NR_DATA_OUT_OF_RANGE or should it just ACK and not do anything?
Also, should a warm...
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Forum: RDM General Implementation Discussion
October 20th, 2009
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Replies: 17
Views: 22,470
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Forum: RDM General Implementation Discussion
October 20th, 2009
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Replies: 17
Views: 22,470
Hello Eric,
you have lost me.:(
The way it...
Hello Eric,
you have lost me.:(
The way it sounds is like no matter what it asks for, it gets error warnings advisories all at once. How is that supposed to work?
Surely if it asks for ERRORS,...
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Forum: RDM General Implementation Discussion
October 20th, 2009
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Replies: 3
Views: 11,470
Additional Status Message ID request?
Hello,
I need to report a power fault but there seems to be no suitable suitable ID.
The specific case is a Neutral-Earth fault.
Kind regards
Bernt
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Forum: RDM General Implementation Discussion
October 20th, 2009
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Replies: 17
Views: 22,470
Hi
Still nede some more clarification on...
Hi
Still nede some more clarification on STATUS_MESSAGES:
I see the controleer asks for the status type.
I then note that the responce carries a Status_type in each message.
Does...
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Forum: RDM General Implementation Discussion
October 20th, 2009
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Replies: 17
Views: 22,470
Hei,
Thanks Peter!
I am still having...
Hei,
Thanks Peter!
I am still having trouble understanding the STATUS_MESSAGE.
Assume I do have a dimmer_on_fire error.
Now I supply this info when status is requested by the cotrlloer....
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 24,058
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 24,058
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Forum: RDM General Implementation Discussion
October 19th, 2009
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Replies: 17
Views: 22,470
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 21,466
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 24,058
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Forum: RDM General Implementation Discussion
October 19th, 2009
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Replies: 17
Views: 22,470
In fact, too busy to even listen to packets...
In fact, too busy to even listen to packets because interrupts have to be off at some stage.
An "ACK_BUSY" (with a timer) would be rather useful in that instance:-)
Is dropping packets an...
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 21,466
Interesting :-)
I quote: "Unfortunately,...
Interesting :-)
I quote: "Unfortunately, Version 2.2 is not compatible with the 4200 units. "
I find it odd too but that is what they told me.
They are looking into it.
Kind regards
Bernt
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 24,058
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Forum: RDM General Implementation Discussion
October 19th, 2009
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Replies: 17
Views: 22,470
Hello
In relation to queued messages...
...
Hello
In relation to queued messages...
Is it implied that a controller will leave the device alone if it receives and ACK_TIMER?
In other words, is there a way to tell a controller not to...
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Forum: RDM General Implementation Discussion
October 19th, 2009
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Replies: 17
Views: 22,470
STATUS_MESSAGES
Hello
Should I implement this pid?
I do not support queueed messages and all that but I do wnat to convey errorsa across lke overheating etc.
Would I have to support everything in table A-4...
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 13
Views: 24,058
DEFAULT_SLOT_VALUE
Hello,
I assume the value of a slot is the dmx level.
We can retrieve the default value for a slot.
How do we retrieve the current value of a slot?
Kind regards
Bernt
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Forum: RDM Interpretation Questions
October 19th, 2009
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Replies: 4
Views: 10,842
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Forum: RDM Interpretation Questions
October 18th, 2009
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Replies: 1
Views: 8,759
PRESET_PLAYBACK
Hello,
if the device does not support PRESET_PLAYBACK_ALL (table A-7)
should it NACK with DATA_OUT_OF_RANGE or ACK and ignore?
Likewise, if the device dioes not support the level setting of...
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Forum: RDM Interpretation Questions
October 18th, 2009
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Replies: 4
Views: 10,842
CAPTURE_PRESET pdl?
Hello all,
the pdl for this is mentioned as either 2 or 8 but in the text (10.11.8) it mentiones that unused timing fields shall be set to 0.
Does this imply that the pdl is always 8?
...
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Forum: RDM Interpretation Questions
October 18th, 2009
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Replies: 13
Views: 21,466
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Forum: RDM Interpretation Questions
October 18th, 2009
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Replies: 13
Views: 21,466
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Forum: RDM Interpretation Questions
October 15th, 2009
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Replies: 13
Views: 21,466
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Forum: RDM Interpretation Questions
October 14th, 2009
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Replies: 13
Views: 21,466
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Forum: RDM General Implementation Discussion
October 14th, 2009
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Replies: 19
Views: 23,339
SLOT_INFO ?
Hello all,
Should I implement SLOT_INFO for my subdevices?
With my current setup of 1 subdevice per channel, should they be ST_PRIMARY or ST_UNDEFINED and also, I am thinkink of making the ID =...
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Forum: RDM Interpretation Questions
October 14th, 2009
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Replies: 13
Views: 21,466
SLOT_DESCRIPTION
Hello,
Get SLOT_DESCRIPTION for a subdevice:
Is the slot offset always 0 if the subdevice has a footprint of 1?
Is this true although its DMX address is = unit base address + nSubdev?
...
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Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 23,339
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Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 23,339
Hi Eric,
With reporting 12 for subdevices,...
Hi Eric,
With reporting 12 for subdevices, nothing has changed at all.
Infogate still shows DMX address and footprint = 0 for all subdevices.
Sensors are still showing "Sensor#1" as before (no...
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Forum: RDM General Implementation Discussion
October 13th, 2009
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Replies: 19
Views: 23,339
Hi Eric,
I interpreted this by stating that...
Hi Eric,
I interpreted this by stating that stating that a subdevice has NO subdevices. Hence I report 0 for subdevices in the subdevice info. I just noticed that this is a WRONG assumption as p...
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