diff options
Diffstat (limited to 'host/lib/usrp/b200/b200_impl.cpp')
| -rw-r--r-- | host/lib/usrp/b200/b200_impl.cpp | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp index da06e12b4..6d1172c98 100644 --- a/host/lib/usrp/b200/b200_impl.cpp +++ b/host/lib/usrp/b200/b200_impl.cpp @@ -416,6 +416,7 @@ b200_impl::b200_impl(const device_addr_t &device_addr) .publish(boost::bind(&b200_impl::get_tick_rate, this)) .subscribe(boost::bind(&b200_impl::update_tick_rate, this, _1)); _tree->create<time_spec_t>(mb_path / "time" / "cmd"); + _tree->create<bool>(mb_path / "auto_tick_rate").set(false); //////////////////////////////////////////////////////////////////// // and do the misc mboard sensors @@ -516,6 +517,11 @@ b200_impl::b200_impl(const device_addr_t &device_addr) _tree->access<double>(mb_path / "rx_dsps" / str(boost::format("%u") % i)/ "rate/value").set(B200_DEFAULT_RATE); _tree->access<double>(mb_path / "tx_dsps" / str(boost::format("%u") % i) / "rate/value").set(B200_DEFAULT_RATE); } + // We can automatically choose a master clock rate, but not if the user specifies one + _tree->access<bool>(mb_path / "auto_tick_rate").set(not device_addr.has_key("master_clock_rate")); + if (not device_addr.has_key("master_clock_rate")) { + UHD_MSG(status) << "Setting master clock rate selection to 'automatic'." << std::endl; + } //GPS installed: use external ref, time, and init time spec if (_gps and _gps->gps_detected()) @@ -579,7 +585,7 @@ void b200_impl::setup_radio(const size_t dspno) _tree->create<meta_range_t>(rx_dsp_path / "rate" / "range") .publish(boost::bind(&rx_dsp_core_3000::get_host_rates, perif.ddc)); _tree->create<double>(rx_dsp_path / "rate" / "value") - .coerce(boost::bind(&rx_dsp_core_3000::set_host_rate, perif.ddc, _1)) + .coerce(boost::bind(&b200_impl::coerce_rx_samp_rate, this, perif.ddc, dspno, _1)) .subscribe(boost::bind(&b200_impl::update_rx_samp_rate, this, dspno, _1)) .set(0.0); // Can only set this after tick rate is initialized. _tree->create<double>(rx_dsp_path / "freq" / "value") @@ -603,7 +609,7 @@ void b200_impl::setup_radio(const size_t dspno) _tree->create<meta_range_t>(tx_dsp_path / "rate" / "range") .publish(boost::bind(&tx_dsp_core_3000::get_host_rates, perif.duc)); _tree->create<double>(tx_dsp_path / "rate" / "value") - .coerce(boost::bind(&tx_dsp_core_3000::set_host_rate, perif.duc, _1)) + .coerce(boost::bind(&b200_impl::coerce_tx_samp_rate, this, perif.duc, dspno, _1)) .subscribe(boost::bind(&b200_impl::update_tx_samp_rate, this, dspno, _1)) .set(0.0); // Can only set this after tick rate is initialized. _tree->create<double>(tx_dsp_path / "freq" / "value") @@ -719,7 +725,7 @@ void b200_impl::codec_loopback_self_test(wb_iface::sptr iface) /*********************************************************************** * Sample and tick rate comprehension below **********************************************************************/ -void b200_impl::enforce_tick_rate_limits(size_t chan_count, double tick_rate, const char* direction /*= NULL*/) +void b200_impl::enforce_tick_rate_limits(size_t chan_count, double tick_rate, const std::string &direction /*= ""*/) { const size_t max_chans = 2; if (chan_count > max_chans) @@ -727,7 +733,7 @@ void b200_impl::enforce_tick_rate_limits(size_t chan_count, double tick_rate, co throw uhd::value_error(boost::str( boost::format("cannot not setup %d %s channels (maximum is %d)") % chan_count - % (direction ? direction : "data") + % (direction.empty() ? "data" : direction) % max_chans )); } @@ -741,20 +747,26 @@ void b200_impl::enforce_tick_rate_limits(size_t chan_count, double tick_rate, co % (tick_rate/1e6) % (max_tick_rate/1e6) % chan_count - % (direction ? direction : "data") + % (direction.empty() ? "data" : direction) )); } } } -double b200_impl::set_tick_rate(const double rate) +double b200_impl::set_tick_rate(const double new_tick_rate) { - UHD_MSG(status) << (boost::format("Asking for clock rate %.6f MHz\n") % (rate/1e6)); + UHD_MSG(status) << (boost::format("Asking for clock rate %.6f MHz... ") % (new_tick_rate/1e6)) << std::flush; + check_tick_rate_with_current_streamers(new_tick_rate); // Defined in b200_io_impl.cpp - check_tick_rate_with_current_streamers(rate); // Defined in b200_io_impl.cpp + // Make sure the clock rate is actually changed before doing + // the full Monty of setting regs and loopback tests etc. + if (std::abs(new_tick_rate - _tick_rate) < 1.0) { + UHD_MSG(status) << "OK" << std::endl; + return _tick_rate; + } - _tick_rate = _codec_ctrl->set_clock_rate(rate); - UHD_MSG(status) << (boost::format("Actually got clock rate %.6f MHz\n") % (_tick_rate/1e6)); + _tick_rate = _codec_ctrl->set_clock_rate(new_tick_rate); + UHD_MSG(status) << std::endl << (boost::format("Actually got clock rate %.6f MHz.") % (_tick_rate/1e6)) << std::endl; //reset after clock rate change this->reset_codec_dcm(); |