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From: | Marcus D. Leech |
Subject: | Re: [Discuss-gnuradio] Re: FUNCube dongle |
Date: | Tue, 22 Feb 2011 18:36:06 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101209 Fedora/3.1.7-0.35.b3pre.fc14 Thunderbird/3.1.7 |
On 02/22/2011 06:24 PM, Alexandru Csete wrote:
Yes, I agree--a UHD driver might be too complicated to do, but maybe not. Maybe we just have to buy Josh an FCD :-)OWell, implementing it as UHD device seems a bit overkill from a programming point of view because one would have to implement the "audio source", which is readily available in GNU Radio. So a GNU Radio source just like the old pre-UHD USRP drivers seems to be most feasible.
I don't know much about the Softrock series, but I doubt they have much in common with the FCD. Maybe the USB idea and the protocol structure, which for the FCD is really trivial and simple streams of 1-4 bytes per command. Most of the commands and parameters for the FCD map directly to the tuner chip, which I assume is not present in the Softrocks - see attached screenshot of the windows controller.The SDR-Widget uses a similar approach--a standard UAC2 audio system, and HID for setting transceiver-specific "stuff".Alex
-- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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