Hello GNURadio Community,
No need to respond to my posting, I figured it out.
Thank you!
George
On Wed, Jul 20, 2022 at 1:01 PM George Edwards <gedwards....@gmail.com>
wrote:
> Hello GNURadio Community,
>
> I wrote a Python OOT block that takes a vector input and outputs a vector
> of the same size.
>
> In the grc, my OOT block is preceeded by a stream to vector and followed
> by a vector to stream (I specify the vector number items in both blocks
> as well as the yml for my Python OOT). My problem lies in the input/output
> specification that I am unable to figure out.
>
> First I specified the input/output profile as:
> in_sig = [np.float32*vectlen],
> out_sig = [np.float32*vectlen])
> The OOT compiled, but when I ran the grc, it showed that the * breaks the
> code.
> Next I tried:
> in_sig = [(np.float32, vectlen)],
> out_sig = [(np.float32, vectlen)])
> The grc plot for the output came up, but did not work. So I put in some
> print statements in the work() function after the following lines:
> in0 = input_items[0]
> out = output_items[0]
> print("length of input data: {}".format(len(in0))
> for i in range (0, vectlen):
> print(" Iteration i = {}".format(i))
> out[i] = in0[i]
>
> The printed results in the grc were:
> length of input data: 4 definitely an indication of error
> For the Iterations it printed i = 0,1,2,3,4 and broke with an Error
> stating index 4 is out of bound for axis 0.
> Obviously, my input/output profile specification must be the problem.
>
> I will appreciate any help or suggestions.
>
> Thank you!
> George
>
>
>
