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[Discuss-gnuradio] Funcube dongle issues and a solution
From: |
Gasper Zejn |
Subject: |
[Discuss-gnuradio] Funcube dongle issues and a solution |
Date: |
Wed, 30 May 2012 08:51:59 +0200 |
User-agent: |
KMail/1.13.7 (Linux/3.2.0-2-amd64; KDE/4.7.4; x86_64; ; ) |
Hi,
I was using Funcube dongle and found a strange bug. Whenever I used the FCD
source in my flow graph and started the flow, the (demodulated) signal came
out corrupted. However, if I then just started qthid, it would correct itself
and could see bits in waveform perfectly well. This was happening with
different firmware versions.
With a bit of experimenting in the earlier out of tree gr-fcd, I found out
that reverting two commits[1][2] resulted in resolving the issue.
I've made changes to in-tree gr-fcd and recompiled and it's now working in a
way, but issues remain. One is setting frequency at runtime (via a variable),
where FCD flips back into spitting out corrupted waveform.
This is where the problem outgrows my knowledge.
Kind regards,
Gasper Zejn
[1] https://github.com/csete/gr-
fcd/commit/02a773ebf5ce01b8f527fb8f8b6f74e6b8191cab
[2] https://github.com/csete/gr-
fcd/commit/407b4281dbc9b3bc7b1eb58a5fb8acf500607fda
- [Discuss-gnuradio] Funcube dongle issues and a solution,
Gasper Zejn <=