*/
bool set_rx_decim(int decimation_factor);
+ //! Return current decimation factor
+ int rx_decim();
+
/*!
* Set receiver IQ magnitude scaling
*/
*/
bool set_tx_interp(int interpolation_factor);
+ //! Return current interpolation factor
+ int tx_interp();
+
/*!
* Set transmit IQ magnitude scaling
*/
d_rx_seqno(-1), d_tx_seqno(0), d_next_rid(0),
d_num_rx_frames(0), d_num_rx_missing(0), d_num_rx_overruns(0), d_num_rx_bytes(0),
d_num_enqueued(0), d_enqueued_mutex(), d_bg_pending_cond(&d_enqueued_mutex),
- d_channel_rings(NCHANS)
+ d_channel_rings(NCHANS), d_tx_interp(0), d_rx_decim(0)
{
if (!d_eth_buf->open(ifc, htons(U2_ETHERTYPE)))
throw std::runtime_error("Unable to register USRP2 protocol");
if (!set_rx_gain((rx_gain_min() + rx_gain_max()) / 2))
std::cerr << "usrp2::ctor set_rx_gain failed\n";
+ // default interp and decim
+ if (!set_tx_interp(12))
+ std::cerr << "usrp2::ctor set_tx_interp failed\n";
+
+ if (!set_rx_decim(12))
+ std::cerr << "usrp2::ctor set_rx_decim failed\n";
+
// set workable defaults for scaling
if (!set_rx_scale_iq(DEFAULT_RX_SCALE, DEFAULT_RX_SCALE))
std::cerr << "usrp2::ctor set_rx_scale_iq failed\n";
return false;
bool success = (ntohx(reply.ok) == 1);
+ if (success)
+ d_rx_decim = decimation_factor;
return success;
}
return false;
bool success = (ntohx(reply.ok) == 1);
+ if (success)
+ d_tx_interp = interpolation_factor;
return success;
}
db_info d_tx_db_info;
db_info d_rx_db_info;
+ int d_tx_interp; // shadow tx interp
+ int d_rx_decim; // shadow rx decim
void inc_enqueued() {
omni_mutex_lock l(d_enqueued_mutex);
double rx_freq_min() { return d_rx_db_info.freq_min; }
double rx_freq_max() { return d_rx_db_info.freq_max; }
bool set_rx_decim(int decimation_factor);
+ int rx_decim() { return d_rx_decim; }
bool set_rx_scale_iq(int scale_i, int scale_q);
bool start_rx_streaming(unsigned int channel, unsigned int items_per_frame);
bool rx_samples(unsigned int channel, rx_sample_handler *handler);
double tx_freq_min() { return d_tx_db_info.freq_min; }
double tx_freq_max() { return d_tx_db_info.freq_max; }
bool set_tx_interp(int interpolation_factor);
+ int tx_interp() { return d_tx_interp; }
bool set_tx_scale_iq(int scale_i, int scale_q);
bool tx_32fc(unsigned int channel,