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Forum: RDM Interpretation Questions December 7th, 2018
Replies: 16
Views: 1,070
Posted By shawn
Just to clarify: Is it only necessary to send...

Just to clarify: Is it only necessary to send NR_UNKNOWN_PID for the SET version of DMX_START_ADDRESS? I know the spec says to return 0xFFFF for the GET version, but this seems a little asymmetrical.
Forum: RDM Interpretation Questions December 7th, 2018
Replies: 16
Views: 1,070
Posted By shawn
Thanks for the explanation and for the additional...

Thanks for the explanation and for the additional comments on differing model IDs. The reasoning and the spec are a little clearer. I have more experience with the devices and not the controllers;...
Forum: RDM Interpretation Questions December 3rd, 2018
Replies: 16
Views: 1,070
Posted By shawn
I’m not sure I agree with that. The PID is known....

I’m not sure I agree with that. The PID is known. I think the E1.37-2 reason, NR_ACTION_NOT_SUPPORTED, might be more appropriate (I found it after I asked). It specifically covers the case where the...
Forum: RDM Interpretation Questions December 3rd, 2018
Replies: 16
Views: 1,070
Posted By shawn
Which kind of NACK do you think would be best?

Which kind of NACK do you think would be best?
Forum: RDM Interpretation Questions December 1st, 2018
Replies: 16
Views: 1,070
Posted By shawn
How should a device with footprint=0 respond to setting the DMX start address?

When a device's DMX footprint is 0, what should happen when trying to set the DMX start address? On one hand, the OLA RDM tests say this should return an error. But on the other, setting a start...
Forum: DMX512 Discussion November 29th, 2018
Replies: 1
Views: 544
Posted By shawn
I added this accompanying document on BREAK...

I added this accompanying document on BREAK timing in the context of serial ports: BREAK Timing in DMX512-A (https://github.com/ssilverman/TeensyDMX/blob/master/extras/break-timing.md)
It might be...
Forum: DMX512 Discussion November 29th, 2018
Replies: 1
Views: 544
Posted By shawn
New TeensyDMX 3.0.0-alpha release

[Dear moderators: I hope it's okay to announce this project here. I couldn't find a policy against it. If it's not okay, please delete.]

I've just released v3.0.0-alpha of my TeensyDMX...
Forum: DMX512 Discussion November 19th, 2018
Replies: 6
Views: 17,235
Posted By shawn
I just added SIP support (see the two SIP...

I just added SIP support (see the two SIP examples) to release 2.5.0 of my TeensyDMX library (https://github.com/ssilverman/TeensyDMX).
Forum: DMX512 Discussion November 16th, 2018
Replies: 6
Views: 17,235
Posted By shawn
That's a good idea. I'm going to add them here:...

That's a good idea. I'm going to add them here: TeensyDMX (https://github.com/ssilverman/TeensyDMX)
(Huh, on my browser, that link doesn't show up as a different colour. In any case, it's a link.)
Forum: RDM Interpretation Questions November 16th, 2018
Replies: 8
Views: 497
Posted By shawn
I forgot to add that to my list of things I look...

I forgot to add that to my list of things I look at in my previous responses. I don't even look at the message if it's for a non-existent sub-device. But thank you for the reminder. :)

I wonder if...
Forum: DMX512 Discussion November 16th, 2018
Replies: 10
Views: 1,527
Posted By shawn
I like your phrase describing RDM, "endless sea"....

I like your phrase describing RDM, "endless sea". :)

I'm already passing most of OLA's RDM tests (342/426). The 6 that fail and several that don't execute are due to DMXKing's ultraDMX2 PRO not...
Forum: DMX512 Discussion November 15th, 2018
Replies: 10
Views: 1,527
Posted By shawn
I've written my own stuff (the current one is for...

I've written my own stuff (the current one is for the Teensy, full RDM & DMX) too, but I don't really build the hardware. I've been wondering what sort of needs people have when they need to adapt...
Forum: DMX512 Discussion November 15th, 2018
Replies: 10
Views: 1,527
Posted By shawn
@majid: I'm curious, what sort of hardware are...

@majid: I'm curious, what sort of hardware are you using inside your box? A custom microcontroller or something, or off-the-shelf DMX hardware?
Forum: RDM Interpretation Questions November 15th, 2018
Replies: 8
Views: 497
Posted By shawn
I’ve chosen to send the write-protect NACK after...

I’ve chosen to send the write-protect NACK after checking for UNKNOWN_PID, UNSUPPORTED_COMMAND_CLASS, and FORMAT_ERROR, but before DATA_OUT_OF_RANGE.

Thanks for everyone’s suggestions!
Forum: RDM Interpretation Questions November 14th, 2018
Replies: 8
Views: 497
Posted By shawn
Thanks for your quick response, Scott. My...

Thanks for your quick response, Scott.

My WRITE_PROTECT code is already only at the top of the part that examines SET messages (per section 3.7 of E1.37-1, where it says that LOCK plus...
Forum: RDM Interpretation Questions November 14th, 2018
Replies: 8
Views: 497
Posted By shawn
When locked, which comes first, NR_WRITE_PROTECT or message checking?

I have a question about the interpretation of when to send a NR_WRITE_PROTECT NACK response when a device is in a locked state.

When a device is in some lock state, E1.37-1 says that it should...
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