Re: [Discuss-gnuradio] Question about UHD output data type.

[Josh Blum]

> I met a strange problem about UHD output data. I write the sampler
> program according to rx_timed_samples.cpp and use int 16 bits as io
> type as in command:
>
> size_t num_rx_samps = dev->recv( buff, sizeof(buff), md,
> uhd::io_type_t::COMPLEX_INT16, uhd::device::RECV_MODE_ONE_PACKET );
>
> Then I checked the output data and found that samples seems to be the
> int 8 bit data since the minimum step is 0.0078125, which is equal to
> 2 power of -7. What could be the reason for this?

The range of an int16 is +/-2^15, the minimum step is 1 because its an 
integer. Did you by any change change the io type to int16, but 
interpret the buffer as a complex float?

-josh