[linrad] Re: SDR-14 and 2.6 kernels

[w3sz@xxxxxxxxxxx]

You are invariably precise [and correct], but I am hoping that this time is an exception ;)

You indicated that Linrad would work with the SDR-14 only for 2.4 kernels.  

So am I correct then that since all of my Linux installations [Fedora, RHL, Knoppix, Debian] use 2.6 kernels, I will not be able to use the SDR-14 with Linrad and my 2.6 kernel Linux installations?

If this is so, what will it take to correct the problem?  [i.e., who is 'supposed' to write the new driver to work with the 2.6 kernels]

Thanks in advance.

I apologize if I asked this before and you answered.  I am on a cruise and can't get at my email archives.

73,

Roger
W3SZ


> Hi All,
> 
> Linrad 2.00 will have support for the SDR-14. (Flexradio)
> 
> This is a unit that samples at 66 MHz and uses a digital 
> decimation chip to convert to baseband. The unit can be
> used from (almost) up to 200 MHz with appropriate anti-aliasing
> filters. One filter is builtin for usage on HF bands.
> Performance is limited by the USB interface but something 
> like 185 kHz bandwidth can be used.
> 
> Currently a driver is available for the 2.4.xx kernels 
> only and I have run into some difficulties because of that.
> 
> Only the most recent 2.4 kernels have USB systems that work 
> with my stationary computer. Good old RedHat 9.0 does not
> work although it does on my laptop. Working on the laptop 
> is inconvenient so I am trying to get something to work 
> on the stationary computer.
> 
> I have tried Fedora 1, Slackware 10.1 and Debian net install.
> 
> 1) Fedora nearly works, but I can not exit from the main screen
> because then the program crashes with a segfault. I have to 
> change parameters with the text editor in the parameter files. 
> This seems to be a kernel problem.
> 
> 2) Slackware works fine with Linrad, but I can not make it work
> properly with my Swedish keyboard (sv. Latin 1) so editing 
> source code files is difficult.
> Another problem with Slackware is that I can not figure out
> how to get svgalib_helper and the ft245 kernel modules loaded
> automatically at boot time. Slackware does not use the /etc/init.d
> that I am used to.
> 
> 3) Debian works fine except that I can not get the mouse installed.
> Originally the mouse was ok, but I needed to add some packages
> to the default selection and then the mouse was removed. I have
> not been able to re-install it. Any attempt I made just downloads
> a lot of stuff for maybe 6 hours, but no mouse:-(
> 
> 4) RedHat 9.0 does not work at all with the SDR-14.
> 
> The executable produced under Fedora 1 works fine under Slackware.
> 
> Solving 1) seems difficult, 2) and 3) should be trivial - I just do
> not know what to do:-( It might also be fairly easy to update 
> the USB system of RedHat9.0 ??
> 
> Is there anyone who knows what to do?
> 
> 73
> 
> Leif / SM5BSZ
> 
> 
> 
> 
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