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RDM Interpretation Questions Discussion and questions relating to interpreting and understanding the E1.20 RDM Standard. |
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October 18th, 2009 | #1 |
Senior Member
Join Date: Jan 2008
Posts: 102
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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 this PID, should it NACK with DATA_OUT_OF _RANGE for value other than 0sFF or ACK and ignore? Kind regards Bernt |
October 18th, 2009 | #2 |
Task Group Member
Join Date: Aug 2008
Posts: 375
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> if the device does not support PRESET_PLAYBACK_ALL
> should it NACK with DATA_OUT_OF_RANGE or ACK and > ignore? I'd vote for a NACK, then the controller knows it was received and explicitly rejected. > if the device dioes not support the level setting > of this PID, should it NACK with DATA_OUT_OF _RANGE > for value other than 0sFF or ACK and ignore? For most dimmers, I'd probably ACK the request and ignore the level (treat it like 0xFF). I think either behavior is acceptable though. |
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