On Sat, Dec 26, 2015 at 12:25 PM, Andreas Ladanyi <andreas.lada...@gmx.net> wrote:
> Hi Marcus, > > My first idea is: python has to sample the 256 samples (for one period) > from lookup table in exactly one second. So i think i need a timer which > calls the next sample in the lookup table all 3,9 ms. > > My first idea above was to produce the sine wave from the lookup table > (which i have generated with the python code line before) with a python > script on the command line only for an single experiment for understanding > how to do this without gnuradio. > > no! > GNU Radio is *NOT* a system where samples are processed sample-by-sample, > with a fixed precise sampling rate. Each block is just asked to > process/generate/sink as many samples as possible, and the result is passed > on to the next block as fast as possible. > > Yes, meanwhile i know this :-) > > thanks and regards, > Andy > I'll also point out that the sig_source_X block uses a look up table already. It uses gnuradio/fxpt_nco.h that uses gnuradio/fxpt.h. Tom
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