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Bug #12763

Raw data device does not support channels

Added by John Diamond almost 5 years ago. Updated almost 5 years ago.

Status:
Accepted
Priority:
Normal
Assignee:
John Diamond
Start date:
05/24/2016
Due date:
% Done:

80%

Estimated time:
1.00 h
Spent time:
1.00 h
Duration:

Description

The raw data accessor is using the SSDN channel as the ADC channel. This is wrong because the SSDN channel identifies the ADC not the ADC channel.

History

#1 Updated by John Diamond almost 5 years ago

  • Status changed from New to Accepted
  • % Done changed from 0 to 80

The ADC channel number (0-15) is now encoded in the device's SSDN misc field. Therefor, the SSDN for a raw data device should now look something like this: 000B/0020/000cc/00aa (where cc = ADC channel and aa = ADC identifier).

Created Z:CIARW2 and verified with a sine wave hooked up to channel 2 on nm2rfi.

Deployed at the development and test level.

However, I noticed that the firmware seems to have the channel data separation fixed at 64 K-samples. E-mailed Alexei and Ning to figure out how we can expand that.

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