Re: [Discuss-gnuradio] running a gmsk test

[Eric Blossom]

On Sun, Oct 21, 2007 at 08:47:59AM -0400, George Nychis wrote:
> I'm not sure where the gmsk test went in GNU Radio, I tried following 
> the log and commits.  So, I grabbed a gmsk test from here:
> http://noether.uoregon.edu/~jl/gmsk/
> 
> Just trying to run something simple, I run it from the blksimpl 
> directory like this:
> address@hidden:~/school/gr/gmsk/gnuradio-core/src/python/gnuradio/blksimpl$ 
> ./gmsk-test.py -f payload.dat
> sps:            8
> symbol_rate:    270833.333333
> sample_rate:    2166666.66667
> p_size:         1024
> >>> gr_fir_fff: using SSE
> bits per symbol = 1
> Gaussian filter bt = 270833.33
> Modulation logging turned on.
> python: gri_mmse_fir_interpolator.cc:67: float 
> gri_mmse_fir_interpolator::interpolate(const float*, float) const: 
> Assertion `imu <= NSTEPS' failed.
> 
> Given that the test program is two years old now, I'm sure something has 
> changed.  But does an up to date gmsk test program still exist that does 
> not need the USRP?  I found the DECT example, but that's USRP based.
> 
> Thanks!
> George

George,

See gnuradio-examples/python/digital/benchmark_loopback.py

Try the --help option.

To select gmsk, use -m gmsk

Eric