Hi Marcus, Thank you!
I will look into the link you sent! George On Wed, Mar 16, 2022 at 11:26 AM Marcus D. Leech <patchvonbr...@gmail.com> wrote: > On 2022-03-16 11:17, George Edwards wrote: > > Hello GNURadio Community, > > I have used the firdes.low_pass_2(...) function in many of my Gnuradio > blocks in the past to pass filter coefficients to my blocks and it has > always worked. > > Yesterday I opened one of my GRC that uses his filter function and it > showed an error. The specific usage was: > firdes.low_pass_2(1,samp_rate1, fcut, ftrans,attenuation_dB=100, > window=filter.firdes.WIN_BLACKMAN_HARRIS) > Error message: There is no attribute WIN_BLACKMAN_HARRIS > > I then opened several previously created GRCs blocks with this function > and all showed the same error. I then opened some radio blocks which > required a user to set the window and noticed that what used to be set as > WIN_BLACKMAN was now Blackman. > > I searched the Gnuradio literature, but could not find anything to help > me. I made the changes below to the function, but all failed: > window=filter.firdes.Win_blackman_harris, window=Blackman_harris then, I > would leave out the word window, also in calling the function, I tried > low_pass_2 instead of firdes.low_pass_2. > > I would appreciate getting some suggestions from someone who has worked > recently with this filter function. > > Thank you! > > Regards, > George > > I suspect that you're dealing with differences between GR 3.7 and > GR3.8/3.9/3.10 > > See: > > https://github.com/gnuradio/gnuradio/issues/4510 > > >
