Which daughter cards are you using? Could you share the output of uhd_usrp_probe on the device?
Sent from my iPhone > On Oct 20, 2019, at 8:40 AM, Pablo Martínez de Leiva Díaz via USRP-users > <[email protected]> wrote: > > Hi all, > > We have a x310 SDR, we are obtaining IQ samples from 4 channels but we are > having problems with tune frequency. > > When we already have set up one frequency, 100Mhz for example, and we try to > tune a frequency very distant from the current, 700mhz for example, we get > this error: > > > terminate called after throwing an instance of 'uhd::io_error' > what(): EnvironmentError: IOError: Block ctrl (CE_01_Port_40) no response > packet - AssertionError: bool(buff) > in uint64_t ctrl_iface_impl<_endianness>::wait_for_ack(bool, double) [with > uhd::endianness_t _endianness = (uhd::endianness_t)1; uint64_t = long > unsigned int] > at /build/uhd-ynzbn9/uhd-3.14.1.1/host/lib/rfnoc/ctrl_iface.cpp:142 > > This is the function we use for tuning: > > bool sdr_set_tune_frequency(usrp_2945* radio, float freq, int channels) { > > bool success = true; > std::cout << "Setting tune frequency: " << freq; > uhd::tune_request_t tune(freq); > for (int i = 0; i < channels; ++i) { > radio->usrp->set_rx_freq(tune, i); > if (std::abs(radio->usrp->get_rx_freq(i) - freq) > 0.0001){ // Here > we check if the change have been done correctly > success = false; > } > } > return success; > } > > We have the release version 3.14.1.1 of UHD. > > I hope you can help us, thanks beforehand. > > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list [email protected] http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
