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Bug #5402

open

no2e1 gateware improvements

Added by tnt about 2 years ago. Updated about 2 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
01/13/2022
Due date:
% Done:

0%

Spec Reference:

Description

The gateware needs some improvements to provide all functions required by upper layer :

  • Need some way to detect we have no signal (for instance, no pulse at all)
  • Need some way to detect incoming AIS (all ones)
  • The RX generated tick should still be generated even if no signal was ever received. ATM it's off until we get a signal and then it continues even if we loose the signal, but it'd be better to have it from the start so that in a 'remote tick' confix, the tx side runs directly. Its phase will obviously be off for when we get a signal but that's not different from the caser where we loose signal and re-acquire ...

Put all in one issue because the hw changes will most likely be interlinked and have to be implemented/designed at once since they interact with the same part of the circuit (RX clock recovery mostly).

Actions #1

Updated by tnt about 2 years ago

  • Description updated (diff)
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