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RDM General Implementation Discussion General Discussion and questions relating to implementing RDM in a product.

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Old February 5th, 2014   #1
luiscolo
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Join Date: Feb 2010
Posts: 7
Default new PID: comms_status_sc0

Hello!
In order to obtain more information about communications integrity, I propose a PID to request errors in Null Start Code packets, i.e., in normal DMX transmission. Tipically: frame errors that aren't breaks. Due to the reason that are the most frecuently packets sent through the link, errors will be rapidly discovered and this PID will provide a real mechanism to test the integrity of the link.
Thank you to all, regards, Luis Bolster
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Old February 6th, 2014   #2
ericthegeek
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Join Date: Aug 2008
Posts: 369
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This is something I'd also like to see. In addition to Framing Errors, a "Comms Status Extended" PID could use the SIP Mechanism defined in E1.11 to validate the checksum for NSC packets.

Something like:
GET:
NSC Packet Count
NSC Min Length
NSC Max Length
NSC Checksum Errors (using the Previous Packet Checksum from the SIP)
SIP Packet Count
Text Packet Count
UTF-8 Packet Count
Framing Error Count

SET:
Reset All Counters

Such a mechanism could provide an automatic way to detect data communication link errors.
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