Re: [linrad] Still problems svga

[Richard Hosking <richardh@xxxxxxxxxxxx>]

Henry
I designed it myself
see http://members.iinet.net.au/~richardh/VK6BRO.htm
for details.
I have a few boards left
It is the second iteration of the design, but there are still a few 
issues which could be improved.
The data interface and the power supply arrangements could be improved - 
the current regulator chips run a bit hot at max  clock speed  (the 9854 
chip takes about 600mA at 200 MHz) - I think I will move to a TO220 pack

Richard



Sonntag, Henry wrote:

>Hi Richard,
>May I ask where you acquired your DDS board?
>Henry w2hes
>
>-----Original Message-----
>From: owner-linrad@xxxxxxxxxxxxxxxxxxxxxx
>[mailto:owner-linrad@xxxxxxxxxxxxxxxxxxxxxx]On Behalf Of Richard Hosking
>Sent: Tuesday, March 02, 2004 10:31 AM
>To: linrad@xxxxxxxxxxxxxxxxxxxxxx
>Subject: Re: [linrad] Still problems svga
>
>
>Dear all
>
>Success at last!
>Steps involved
>    download source svga-1.4.3.tar.gz
>    copy to /usr/local/src
>    gunzip
>    tar
>    cd svga-1.4.3
>    make install
>    (ignore errors)
>    cp /usr/local/src/svgalib/sharedlib/vgagl.so.1.4.3
>/usr/lib/vgagl.so.1  (copy- note vgagl is not at /usr/local/lib and the
>links didnt seem to work)
>    (same for libvga.so.1.4.3)
>
>I tried various linrad distros - rpm didnt work as it couldnt find libvgagl.
>Eventually used the source
>
>    download bzip2 and install
>   download linrad01-15 and copy to working directory
>    bzip2 -xf linrad01-15.tgz
>    tar -xvf linrad01-15.tar
>   etc as in instructions
>
>Many thanks for your patience
>Now I can start learning all the intricacies of FFTs etc - fascinating!
>
>I have a DDS board using the AD9854 which can give quadrature output to
>60 MHz or so.
>I will set up a direct conversion I/Q frontend using a "Tayloe"
>architecture with the FST3125 quad switch and a couple of opamps.
>
>Richard
>VK6BRO
>
>
>
>
>
>
>
>  
>I ignored the errors and in fact libvga and libvgagl were in a different
>directory
>
>
>Sigurd Kimpel wrote:
>
>  
>
>>My experience is that I could not get svgalib-1.9.x to work, but
>>svgalib-1.4.3  would work.
>>
>>Good luck,
>>
>>Sigurd, KJ1K
>>
>>----- Original Message -----
>>From: "Richard Hosking" <richardh@xxxxxxxxxxxx>
>>To: <linrad@xxxxxxxxxxxxxxxxxxxxxx>
>>Sent: Sunday, February 29, 2004 5:56 AM
>>Subject: [linrad] Still problems svga
>>
>>
>>
>>
>>    
>>
>>>I am still struggling to get svga installed
>>>I have tried svgalib-1.4.3 and svgalib-1.9.18
>>>
>>>gcc seems to generate various errors when it includes various files from
>>>the kernel and main.o will not compile.
>>>I have tried this on Mandrake 9.2 and RH9.0 and two different machines -
>>>kernel 2.4.22 and 2.4.20
>>>Also there was a linker error - ldconfig in the makefile was not
>>>  
>>>
>>>      
>>>
>>recognized
>>
>>
>>    
>>
>>>Has anyone done svga with these latest distros? I am thinking that there
>>>may have been kernel changes since the last version of svga
>>>
>>>I could go back to RH 8.0 or even 7.2 if necessary, but this will be a
>>>hassle
>>>
>>>Thanks for your patience - at least I am learning something about the
>>>nuts and bolts of Linux!
>>>
>>>Richard
>>>
>>>
>>>
>>>
>>>  
>>>
>>>      
>>>
>>
>>
>>
>>
>>    
>>
>
>
>
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