[hpsdr] Janus - Ozy - SDR1000 simplicity

[Joe - AB1DO]

Hey man, you deserve it.

Thanks for the clarifications. I was going to leave all the detailed stuff 
for the manual, just wanted to make sure no-one thinks that just because 
HPSDR is sophisticated (as in extremely from where I'm sitting), it is 
necessarily complex from the user's point of view.

I've been bugging Phil Harman lots lately about stuff on the Janus side to 
be able to write the manual. When I get to the Ozy side, if need be I might 
start bugging you (and/or Phil Covington - off list of course), so be 
prepared ;-)

Thanks again,
73 de Joe - AB1DO

----- Original Message ----- 
From: "Bill Tracey" <bill at ewjt.com>
To: "Joe - AB1DO" <ab1do at optonline.net>; "HPSDR List" <hpsdr at hpsdr.org>
Sent: Tuesday, March 06, 2007 11:21
Subject: Re: [hpsdr] Janus - Ozy - SDR1000 simplicity


> Joe - thanks for the kind words on my code -- some clarifications in line 
> below
>
> Regards,
>
> Bill (kd5tfd)
> At 09:23 AM 3/6/2007, Joe - AB1DO wrote:
>>***** High Performance Software Defined Radio Discussion List *****
>>
>>
>>Hi all,
>>
>>I am currently working with Phil Harman on writing a manual on how to 
>>operate the Janus/Ozy combo with the SDR-1000. Because of all the 
>>discussions going on on the reflector about FPGAs, CPLDs, EEPROMs, JTAG 
>>and what have you I (and I assume other mere mortals like me) was 
>>expecting a separate initialization procedure would be required, not to 
>>mention special cables. NOT SO!
>
> For cables one will need a 25 pin male male straight thru cable to go from 
> Ozy to SDR 1K,  2x 1/8 stereo patch cables for IQ in and out (assuming one 
> connects mic and speakers direct to Janus).  For the 25 pin male-male 
> cable I'm currently using a 1 foot long home made ribbon cable with IDC 
> connectors - may not be ideal in a hi RF environment.   For the audio 
> interconnect I'm using Radio Shack #42-2497 ( 
> http://www.radioshack.com/product/index.jsp?productId=2102970&cp=2032058.2032228.2032255&parentPage=family )
>
>>
>>Through our various back and forths on text etc I discovered that Bill 
>>Tracey and he have really simplified it. Just to make sure that anyone 
>>considering buying Janus/Ozy to work with the SDR-1000, but holding off is 
>>not doing so due to wrong assumptions I thought I'd share it with the 
>>group here.
>>
>>Janus will be shipped with its CPLD pre-programmed, as will Ozy with its 
>>EEPROM (someone correct me if I'm wrong). Ozy is connected to the PC via a 
>>USB cable. All the relevant audio connections are made to/from Janus and 
>>the SDR-1000, etc and for control a parallel cable between Ozy and 
>>SDR-1000. Then just select Janus as you would any other sound card in 
>>PowerSDR. That's it. Ozy's FPGA is then automatically loaded through the 
>>USB and you're ready to roll. Future updates to Janus's CPLD and Ozy's 
>>FPGA will all occur through Ozy's USB connection.
>
>
> The CPLD will be pre programmed, as will the Ozy EEPROM, however the 
> programming in the Ozy EEPROM will only be for self test - the Ozy FPGA is 
> configured over USB when we bring the device up for use with PowerSDR.
>
> There will actually be 2 selections/configurations one has to do in 
> PowerSDR -- one to select Janus/Ozy as the audio device and 1 to select it 
> as the control device.  This is to allow one to use the audio section 
> without using the control section.  I've not tested using just the control 
> section and not the audio section so that configuration may or may not 
> work.
>
> Updating the CPLD via USB is a bit of code still to be written.  I believe 
> it is doable, but the code (FX2, Ozy FPGA, PC side utility) remains to be 
> written
>
>>
>>If you think about it, it's even simpler than installing a sound card, as 
>>there is no driver to install, no mixer to deal with, nothing. Just hook 
>>up and run.
>
> One will need to install the libusb drivers to talk to Ozy.  Not quite 
> hook it up and run but close.
>
>>
>>Hats off guys!
>>
>>73 de Joe - AB1DO
>
> 


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