Very interested in your raspberry pi experience. I am awaiting my pi but
had a purpose in mind that will encode and transmit with UDP so I might
get away with realtime with no modem step.
I tried the binaries an my rooted android but no luck. Are you sure they
are statically built? You do not include the library files and this is what
file reports on c2enc:
c2enc: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked
(uses shared libs), for GNU/Linux 2.6.18,
BuildID[sha1]=0x76eb049fefd3a7d5bbf9a1a30b0bcc0caf03b17e, not stripped
The dynamically linked suggests that it may be looking for a library I do
not have.
Cheers,
Stuart
On 13 May 2012 16:32, Andreas Weller <wel...@andreas-weller.de> wrote:
> On 11.05.2012 22:36, David Rowe wrote:
>
> > + available in a $100 open hw/open sw box that sits between the Mic/Spkr
> > of any FM (VHF) or SSB (HF) radio (say Raspberry Pi based)
>
> I just tried compiling codec2 on a Raspberry Pi. I also gave cross
> compiling for Windows a try.
>
> Raspberry Pi uses the "official" debian release: Linux raspberrypi
> 3.1.9+ #90 Wed Apr 18 18:23:05 BST 2012 armv6l GNU/Linux
>
> Windows crosscompile was done this way on Ubuntu 12.04:
> > export ac_cv_func_malloc_0_nonnull=yes
> > ./configure --host=i686-w64-mingw32 --enable-static --disable-shared
> > make
>
> It seems codec2 runs fine on armv6l - but BCM2835 SoC is too slow for
> realtime operation.
>
> BTW - The windows version of fdmdv_demod crashes whenever I run it on my
> Win7 VM. The other programs run fine on Windows OS.
>
> Here my performance measurements for Codec2 on Raspberry Pi:
> c2enc 1400 hts1a.raw hts1a.c2
> real 0m2.286s
>
> fdmdv_mod hts1a.c2 hts1a_mod.raw
> real 0m1.398s
>
> fdmdv_demod hts1a_mod.raw hts1a_demod.c2
> real 0m5.209s
>
> c2dec 1400 hts1a_demod.c2 hts1a_demod.raw
> real 0m2.278s
>
> If you are interested in the binaries:
> http://andreas-weller.de/download/c2-win32.7z
> http://andreas-weller.de/download/c2-rpi.7z
> Maybe someone with a rooted Android and ARM6 CPU may try the raspberry
> pi binaries.
>
>
> Regards,
> Andreas
>
>
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