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Search took 0.01 seconds; generated 61 minute(s) ago. Search: Posts Made By: sblair
Forum: RDM Interpretation Questions May 24th, 2012
Replies: 13
Views: 83,690
Posted By sblair
Everything that has been said so far matches with...

Everything that has been said so far matches with my interpretations and our intent when writing it.
Forum: RDM Interpretation Questions May 1st, 2012
Replies: 12
Views: 47,515
Posted By sblair
Eric, Agreed!

Eric,

Agreed!
Forum: RDM Interpretation Questions May 1st, 2012
Replies: 12
Views: 47,515
Posted By sblair
Correct. The list for SUPPORTED_PARAMETERS from...

Correct. The list for SUPPORTED_PARAMETERS from the Root device is for the root device only and should NOT include the sub-device. Likewise sending SUPPORTED_PARAMETERS to the sub-device should...
Forum: RDM Interpretation Questions April 30th, 2012
Replies: 12
Views: 47,515
Posted By sblair
That is my view and belief of what the intent...

That is my view and belief of what the intent was. There really isn't any other interpretation of what is written that makes sense to me.
Forum: RDM General Implementation Discussion April 30th, 2012
Replies: 10
Views: 48,239
Posted By sblair
Congratulations Peter, Ron, and everyone that...

Congratulations Peter, Ron, and everyone that contributed! It sounds like it was a fantastic turnout and event! I wish I would have been able to attend and look forward to hearing more from the...
Forum: RDM Interpretation Questions April 30th, 2012
Replies: 12
Views: 47,515
Posted By sblair
It was never expected that the minimum supported...

It was never expected that the minimum supported PID's list applied to sub-devices. In fact if you look at the list of PID's in the minimum supported list most of them don't make any sense in the...
Forum: RDM Marketplace Discussion April 24th, 2012
Replies: 3
Views: 44,588
Posted By sblair
It would be nice to get more of the info into the...

It would be nice to get more of the info into the RDMProtocol.org site. Right now there are no links on the on the products to get more detailed info: http://www.rdmprotocol.org/rdmusers/products/
...
Forum: RDM User Discussion March 31st, 2012
Replies: 2
Views: 38,046
Posted By sblair
Hey John! We don't get very many users on...

Hey John!

We don't get very many users on here as it is 95% developers. However I can point you to a few resources.

Steve Vanciel (SVanciel) at WDW made a big effort to get everything...
Forum: RDM General Implementation Discussion March 3rd, 2012
Replies: 7
Views: 38,167
Posted By sblair
It's been on the list. What will happen is we...

It's been on the list. What will happen is we will likely add a new PID to one of the E1.37 docs and then just deprecate the original one. We really can't do much in changing the existing one at...
Forum: RDM General Implementation Discussion March 1st, 2012
Replies: 7
Views: 38,167
Posted By sblair
Can you give a more specific example of the exact...

Can you give a more specific example of the exact issue and also what products you might be working with if they aren't ones you are developing?
Forum: RDM Interpretation Questions February 16th, 2012
Replies: 6
Views: 29,005
Posted By sblair
As I said, my belief is that everyone SHOULD use...

As I said, my belief is that everyone SHOULD use QUEUED_MESSAGES, however it is not strictly required for the controller to implement them. Of course it will be a far better controller that DOES...
Forum: RDM Interpretation Questions February 14th, 2012
Replies: 6
Views: 29,005
Posted By sblair
#1 This is a good corner case. If you are in...

#1
This is a good corner case. If you are in the middle of an ACK_OVERFLOW transaction and get an ACK_TIMER, the way I see it as long as you don't send any other PID to that device you could wait...
Forum: RDM General Implementation Discussion January 24th, 2012
Replies: 5
Views: 31,480
Posted By sblair
To further what Eric said, to answer the question...

To further what Eric said, to answer the question which requirements are important in the standard, they ALL are.

Every sentence and requirement that was written in the standard is there for a...
Forum: RDM General Implementation Discussion January 23rd, 2012
Replies: 5
Views: 31,480
Posted By sblair
Paul, Welcome! Obviously you need to pay...

Paul,

Welcome! Obviously you need to pay attention to the physical layer and very carefully to the timings in order for your device to play well with the others. You'll also want to make sure...
Forum: RDM General Implementation Discussion January 4th, 2012
Replies: 11
Views: 37,246
Posted By sblair
I agree with Eric's assesment. The intention of...

I agree with Eric's assesment. The intention of sub-devices is for an array of devices of "like" things. This doesn't mean they all have to be identical. i.e. it is okay to have a Non-Dim module...
Forum: RDM General Implementation Discussion December 16th, 2011
Replies: 3
Views: 29,998
Posted By sblair
What Eric said. I disagree with using...

What Eric said.

I disagree with using Personalities to based on the number of pixels. That would result in hundreds of personalities...a true nightmare. This is exactly the scenario...
Forum: RDM General Implementation Discussion October 14th, 2011
Replies: 1
Views: 24,270
Posted By sblair
I have to say that is an interesting concept and...

I have to say that is an interesting concept and not one that we has ever come up in previous discussions in the Task Group.
Forum: RDM General Implementation Discussion September 16th, 2011
Replies: 4
Views: 28,072
Posted By sblair
There isn't an official one. I know there have...

There isn't an official one. I know there have been a few companies that have made some but haven't seen any widely used.

I'm trying to remember who it was that even had those posted....
Forum: RDM General Implementation Discussion September 14th, 2011
Replies: 3
Views: 26,375
Posted By sblair
That's exactly why I said this is probably the...

That's exactly why I said this is probably the most practical place to request it :) The 2010 revision of E1.20 was just recently released so it won't be out again for a couple years most likely. ...
Forum: RDM General Implementation Discussion September 14th, 2011
Replies: 3
Views: 26,375
Posted By sblair
The formal way to request a new message be added...

The formal way to request a new message be added is when there is a draft revision in Public Review. That being said, this is generally the best place to discuss it as there are numerous Task Group...
Forum: RDM General Implementation Discussion September 2nd, 2011
Replies: 2
Views: 44,788
Posted By sblair
Yes, that description is a bit terse. What is...

Yes, that description is a bit terse. What is interesting is that it has been in since the original document and questions/issues have never come up about it before.

It is intended to pretty...
Forum: RDM General Implementation Discussion September 2nd, 2011
Replies: 7
Views: 36,483
Posted By sblair
As has been said, there is a balance. My own...

As has been said, there is a balance. My own design philosophy is to make it as generally forgiving as possible. This in itself doesn't force non-compliant products to behave better, but it does at...
Forum: RDM Interpretation Questions September 2nd, 2011
Replies: 8
Views: 46,280
Posted By sblair
Dangeross, We capped it at 512 because that...

Dangeross,

We capped it at 512 because that assumes each sub-device uses a single DMX channel. Each universe of DMX512/RDM can handle a maximum of 512 slots of data. It is common that each slot...
Forum: RDM Interpretation Questions August 29th, 2011
Replies: 1
Views: 22,467
Posted By sblair
Looks like that one was a mistake, however it is...

Looks like that one was a mistake, however it is just a define, so the value will remain the same and we will likely fill in the gaps with other future values.
Forum: RDM Marketplace Discussion August 25th, 2011
Replies: 1
Views: 42,256
Posted By sblair
Steve, I'm not certain if you're in the...

Steve,

I'm not certain if you're in the correct place, you might be... These forums are geared towards supporting the ANSI E1.20 Standard. Which is a remote device management protocol over...
Forum: RDM Timing Discussion August 19th, 2011
Replies: 9
Views: 56,932
Posted By sblair
As Eric said, NACK:NR_PROXY_BUFFER_FULL was...

As Eric said, NACK:NR_PROXY_BUFFER_FULL was specifically intended to allow Gateways/Bridges the ability to tell the Controller they have too many pending commands already to handle any more.
Forum: RDM Interpretation Questions August 19th, 2011
Replies: 4
Views: 29,605
Posted By sblair
I have to ask though, if you are ready...

I have to ask though, if you are ready immediately then why ACK_TIMER?
Forum: RDM General Implementation Discussion August 17th, 2011
Replies: 7
Views: 36,483
Posted By sblair
In many respects this is up to you. I generally...

In many respects this is up to you. I generally advocate trying to gracefully handle errors as well as possible. In this case, you could NACK the request message, but from a responder point-of-view...
Forum: RDM Interpretation Questions August 15th, 2011
Replies: 3
Views: 30,788
Posted By sblair
I'll let you know what it means when someone...

I'll let you know what it means when someone decides to implement Sub-Devices ;)

The _CLEARED messages were not part of the original version as you know. We never looked at the _CLEARED messages...
Forum: RDM Interpretation Questions July 20th, 2011
Replies: 3
Views: 34,166
Posted By sblair
dzelectric, Just wanted to check and see if...

dzelectric,

Just wanted to check and see if the previous answer solved your issue...
Forum: RDM Interpretation Questions July 13th, 2011
Replies: 3
Views: 34,166
Posted By sblair
It doesn't matter that much what the time is. If...

It doesn't matter that much what the time is. If it happens to be too short, then the controller may just come back and ask again, at which point you could just give it another ACK_TIMER response.
...
Forum: RDM General Implementation Discussion July 7th, 2011
Replies: 4
Views: 31,372
Posted By sblair
I'm not aware of any being planned over there at...

I'm not aware of any being planned over there at this point. The official ones we do are held in January and July in Dallas, Texas as part of the ESTA/PLASA meetings.

There have been some...
Forum: RDM Interpretation Questions July 1st, 2011
Replies: 8
Views: 46,280
Posted By sblair
Martin, Eric is correct. There were a lot...

Martin,

Eric is correct. There were a lot of concerns about sub-devices becoming unmanageable from a controller if it was left unbounded. The logic of limiting to 512 sub-devices was that of...
Forum: RDM General Implementation Discussion June 17th, 2011
Replies: 4
Views: 31,372
Posted By sblair
PLASA Plugfest July 2011

The next PLASA Control Protocols Plugfest will take place July 22-24 at the DFW Marriott Solana in Westlake, Texas. The event brings colleagues and competitors together to further the industry by...
Forum: RDM General Implementation Discussion April 28th, 2011
Replies: 0
Views: 30,420
Posted By sblair
Lightbulb RDM E1.20-2010 Version Now Available.

ANSI E1.20 - 2010, a new and improved version of "Entertainment Technology-RDM-Remote Device Management over USITT DMX512 Networks," is available for sale from The ESTA Foundation at...
Forum: RDM General Implementation Discussion March 22nd, 2011
Replies: 14
Views: 46,229
Posted By sblair
The Sniffer is a great and useful tool for...

The Sniffer is a great and useful tool for developing RDM. HOWEVER, the timing information on it is not very accurate. Most folks on here use the Sniffer to look at the packets and data on the wire...
Forum: RDM General Implementation Discussion March 15th, 2011
Replies: 14
Views: 46,229
Posted By sblair
To clarify, a responder MUST respond within 2ms. ...

To clarify, a responder MUST respond within 2ms. A controller must listen for a response for up to 2.8ms.

It is up to you when you discover devices connected to you. Generally it is something...
Forum: RDM General Implementation Discussion March 14th, 2011
Replies: 14
Views: 46,229
Posted By sblair
The spacing of packets is detailed in Section...

The spacing of packets is detailed in Section 3.1.2 and Section 3.2.2 in the standard. The time from the controller sending the DISC_UNIQUE_BRANCH message to a response is between 176us and 2ms. A...
Forum: RDM General Implementation Discussion March 13th, 2011
Replies: 14
Views: 46,229
Posted By sblair
Welcome to the forums! If you are...

Welcome to the forums!

If you are implementing a responder, which is what it sounds like from your post, then you don't really need to detect or listen to the other discovery response traffic. ...
Forum: RDM Interpretation Questions March 7th, 2011
Replies: 4
Views: 28,055
Posted By sblair
The 2011 version is beyond change at this point. ...

The 2011 version is beyond change at this point. It basically means starting the process all over again.

We did make changes in the 2011 version in this area. The following sentence was added...
Forum: RDM General Implementation Discussion February 23rd, 2011
Replies: 16
Views: 51,995
Posted By sblair
Yes, we can add statements with "should" and...

Yes, we can add statements with "should" and "encourage" all day long unless there is someone during a Public Review cycle that screams bloody murder over it.
Forum: RDM General Implementation Discussion February 23rd, 2011
Replies: 16
Views: 51,995
Posted By sblair
We can't really go back and change requirements...

We can't really go back and change requirements on existing functionality. We can put a "should" statement in there but can not make it a "shall" because there are existing products in the field...
Forum: RDM General Implementation Discussion February 23rd, 2011
Replies: 16
Views: 51,995
Posted By sblair
There was no requirement that Product A and...

There was no requirement that Product A and Product B from the same manufacturer have the same self-tests. The intent was always that the Self Tests be consecutively numbered within a product as...
Forum: RDM Interpretation Questions February 17th, 2011
Replies: 8
Views: 37,847
Posted By sblair
Michael, It's best to get the Controller...

Michael,

It's best to get the Controller manufacturer to correct it. Binding UID usage is going to be critical in how E1.33 works so best to start getting folks to implement it properly!
Forum: RDM Interpretation Questions February 8th, 2011
Replies: 8
Views: 37,847
Posted By sblair
Being the guy who wrote the Binding UID text I...

Being the guy who wrote the Binding UID text I would say that is not required at least that is what my intent would have probably been. However, a strict reading of the language would require it.
...
Forum: RDM Interpretation Questions February 7th, 2011
Replies: 8
Views: 37,847
Posted By sblair
Robert, You are correct in regards to the...

Robert,

You are correct in regards to the relationships of the Binding UID that gets reported for the other ports. i.e. all responder ports report they are bound to UIDa.

Beyond that there...
Forum: RDM General Implementation Discussion January 31st, 2011
Replies: 3
Views: 31,729
Posted By sblair
It really depends on the product. Most of the...

It really depends on the product. Most of the time developers are working directly with the hardware so it will be implemented in the application. In other cases developers are using common 3rd...
Forum: RDM General Implementation Discussion January 28th, 2011
Replies: 13
Views: 43,300
Posted By sblair
Hamish, That error in the example has...

Hamish,

That error in the example has already been fixed in the soon-to-be-published-almost-any-day-now errata.

Also bulk data transfers can be accomplished without using ACK_OVERFLOW. I...
Forum: RDM General Implementation Discussion January 28th, 2011
Replies: 6
Views: 34,900
Posted By sblair
Ryan, I'm not that familiar with the eCue,...

Ryan,

I'm not that familiar with the eCue, but they did attend one of our RDM Plugfests last year. Javid Butler on the forums here I believe is working for them now.

I'm not sure about their...
Forum: RDM General Implementation Discussion January 26th, 2011
Replies: 4
Views: 32,804
Posted By sblair
Michael, This is the first time I've ever...

Michael,

This is the first time I've ever heard of this issue being raised. There's not a lot that can be done if two controllers are both driving the line at the same time. RDM runs on top of...
Forum: RDM General Implementation Discussion January 7th, 2011
Replies: 8
Views: 59,823
Posted By sblair
Simon, thanks for all your hard work on this...

Simon, thanks for all your hard work on this project! Looks forward to seeing you in a couple weeks.
Forum: RDM General Implementation Discussion January 7th, 2011
Replies: 8
Views: 59,823
Posted By sblair
It's an area where there has been long standing...

It's an area where there has been long standing disagreement between folks on how it should work and what should and shouldn't be mandated.

My view is that everyone should implement...
Forum: RDM General Implementation Discussion January 7th, 2011
Replies: 9
Views: 84,642
Posted By sblair
As has been said, the current...

As has been said, the current PARAMETER_DESCRIPTION PID was only intended to handle a single data value and even at that it is of limited use.

A reminder that you only need to use the...
Forum: RDM General Implementation Discussion December 13th, 2010
Replies: 2
Views: 33,980
Posted By sblair
Bernt, E1.37 just went out for 2nd Public...

Bernt,

E1.37 just went out for 2nd Public Review on Dec 7, 2010 and will be out until Feb 8th. It is located at: http://www.esta.org/tsp/documents/public_review_docs.php
Forum: RDM General Implementation Discussion November 22nd, 2010
Replies: 6
Views: 37,107
Posted By sblair
Luis, Glad to help. We're all here to make...

Luis,

Glad to help. We're all here to make the world safe for RDM!

The errata isn't quite published yet. It's a long process. I'm told it hopefully will be available by the end of the...
Forum: RDM General Implementation Discussion November 19th, 2010
Replies: 2
Views: 36,460
Posted By sblair
David, Good question! Section 3.1.2...

David,

Good question! Section 3.1.2 specifies the timing values for packet spacing between Null Start Code frames and RDM frames as well as RDM Discovery frames. These timings are the only...
Forum: RDM General Implementation Discussion November 18th, 2010
Replies: 2
Views: 32,191
Posted By sblair
Hey Mike, I've never actually seen or heard...

Hey Mike,

I've never actually seen or heard of MIREK before. Typically I just see CTO and CTB correction slots being used. There is a defined
SD_COLOR_CORRECTION slot descriptor. If you...
Forum: RDM General Implementation Discussion November 2nd, 2010
Replies: 4
Views: 36,923
Posted By sblair
Agreed. I think there is a lot of potential...

Agreed. I think there is a lot of potential here. Would love to see what other options we might want to include here beyond just sensors.
Forum: RDM Interpretation Questions November 2nd, 2010
Replies: 28
Views: 82,093
Posted By sblair
Hamish, I've got it flagged for us to look...

Hamish,

I've got it flagged for us to look at during the next revision cycle as to how we can best solve it.
Forum: RDM General Implementation Discussion September 6th, 2010
Replies: 13
Views: 43,300
Posted By sblair
I'm still working on getting the last rev...

I'm still working on getting the last rev released!
Forum: RDM General Implementation Discussion September 5th, 2010
Replies: 13
Views: 43,300
Posted By sblair
I agree with Peter and Eric's comments on the...

I agree with Peter and Eric's comments on the issues you raised.

On the errata side, as Eric mentioned I go back through and scrub all the discussions for errata issues whenever we re-open the...
Forum: RDM General Implementation Discussion August 31st, 2010
Replies: 0
Views: 30,971
Posted By sblair
Thumbs up Call for RDM Gear for display at LDI Connectivity Booth and Sessions

All, we are looking for RDM/ACN/E1.31 gear to display on the ESTA Connectivity Pavillion as well as to use for the different interactive panel discussions we are doing on both RDM and ACN.

If you...
Forum: RDM General Implementation Discussion July 27th, 2010
Replies: 10
Views: 33,166
Posted By sblair
Hamish, I've always known you were a clever...

Hamish,

I've always known you were a clever and resourceful guy! As other of these UNIT issues come up, lets get them logged on the forums here.

As we start working on the next update to the...
Forum: RDM General Implementation Discussion July 7th, 2010
Replies: 6
Views: 37,107
Posted By sblair
Luis, It is in the final stages of being...

Luis,

It is in the final stages of being published and will be available soon. It is currently out for the "final acceptance ballot" vote until the end of this month.
Forum: RDM General Implementation Discussion July 6th, 2010
Replies: 6
Views: 40,665
Posted By sblair
When a system is up and running you'll find that...

When a system is up and running you'll find that it is very stable with few UID changes.

There are two major points where you'll see a lot of UID change chaos happening though:

1. When a...
Forum: RDM General Implementation Discussion July 5th, 2010
Replies: 6
Views: 40,665
Posted By sblair
Ahh, I see what you are asking now. There isn't...

Ahh, I see what you are asking now. There isn't any specific requirements concerning the frequency of these.

You want the ongoing discovery to happen fast enough that it appears to be semi...
Forum: RDM General Implementation Discussion June 27th, 2010
Replies: 6
Views: 40,665
Posted By sblair
Hey Simon, I'm not certain if I'm fully...

Hey Simon,

I'm not certain if I'm fully following you here. Are you asking the relative ratio of RDM GET_COMMAND messages to SET_COMMAND messages?

If so, I would say that yes you will many...
Forum: RDM General Implementation Discussion June 21st, 2010
Replies: 0
Views: 55,004
Posted By sblair
Thumbs up ESTA Control Protocols Plugfest Returns in July!

ESTA Control Protocols Plugfest Returns in July

With the growing success from each of the previous Control Protocols Plugfests, the event has now become a regular part of the ESTA Technical...
Forum: RDM General Implementation Discussion May 27th, 2010
Replies: 2
Views: 33,980
Posted By sblair
Exclamation E1.37-1 RDM Message Extensions document in Public Review

An extension document to RDM that features additional RDM Messages primarily geared for Dimming Systems and onboard Presets along with a number of new general use messages has just gone into Public...
Forum: RDM General Implementation Discussion May 25th, 2010
Replies: 33
Views: 370,480
Posted By sblair
Eric is correct. Most of the SET message...

Eric is correct. Most of the SET message responses do not echo back the value that the field was set to. That only comes back in a GET message response.

While not explicitily stated, Queued...
Forum: RDM General Implementation Discussion May 19th, 2010
Replies: 33
Views: 370,480
Posted By sblair
Yep, a STATUS_MESSAGES response with a PDL of 0...

Yep, a STATUS_MESSAGES response with a PDL of 0 is what you would use, since you have no status messages to respond with...
Forum: RDM General Implementation Discussion May 18th, 2010
Replies: 33
Views: 370,480
Posted By sblair
Yes, it just populates the Sub-Device field of...

Yes, it just populates the Sub-Device field of the response message with the Sub-Device number that the Queued Message is for.
Forum: RDM Interpretation Questions March 31st, 2010
Replies: 28
Views: 82,093
Posted By sblair
Implementing packed lists it just what I was...

Implementing packed lists it just what I was hoping to avoid! The guys that have small devices really hate implementing those and many likely won't....
Forum: RDM Interpretation Questions March 30th, 2010
Replies: 28
Views: 82,093
Posted By sblair
It was always intended that these be contiguous. ...

It was always intended that these be contiguous. Things start getting really ugly if you have to start doing "discovery" to figure out where they are sprinkled out....
Forum: RDM Interpretation Questions March 30th, 2010
Replies: 28
Views: 82,093
Posted By sblair
I agree with Eric, if the Responder chooses not...

I agree with Eric, if the Responder chooses not to report the DESCRIPTION PID's then it is going to have very limited usefulness. I always advocate for the Controller to handle things gracefully...
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