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-rw-r--r--host/lib/usrp/b200/b200_impl.cpp24
-rw-r--r--host/lib/usrp/b200/b200_impl.hpp3
2 files changed, 15 insertions, 12 deletions
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index bac904a31..ddbaa7cd0 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -524,8 +524,8 @@ b200_impl::b200_impl(const device_addr_t &device_addr) :
////////////////////////////////////////////////////////////////////
//init the clock rate to something reasonable
- _tree->access<double>(mb_path / "tick_rate").set(
- device_addr.cast<double>("master_clock_rate", B200_DEFAULT_TICK_RATE));
+ double default_tick_rate = device_addr.cast<double>("master_clock_rate", B200_DEFAULT_TICK_RATE);
+ _tree->access<double>(mb_path / "tick_rate").set(default_tick_rate);
//subdev spec contains full width of selections
subdev_spec_t rx_spec, tx_spec;
@@ -544,10 +544,10 @@ b200_impl::b200_impl(const device_addr_t &device_addr) :
_tree->access<std::string>(mb_path / "clock_source/value").set("internal");
_tree->access<std::string>(mb_path / "time_source/value").set("none");
- // Set default rates (can't be done in setup_radio() because tick rate is not yet set)
+ // Set the DSP chains to some safe value
for (size_t i = 0; i < _radio_perifs.size(); i++) {
- _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);
+ _radio_perifs[i].ddc->set_host_rate(default_tick_rate / B200_DEFAULT_DECIM);
+ _radio_perifs[i].duc->set_host_rate(default_tick_rate / B200_DEFAULT_INTERP);
}
//GPS installed: use external ref, time, and init time spec
@@ -569,9 +569,9 @@ b200_impl::b200_impl(const device_addr_t &device_addr) :
b200_impl::~b200_impl(void)
{
- UHD_SAFE_CALL
+ UHD_SAFE_CALL
(
- _async_task.reset();
+ _async_task.reset();
)
}
@@ -608,13 +608,14 @@ void b200_impl::setup_radio(const size_t dspno)
_tree->access<double>(mb_path / "tick_rate")
.subscribe(boost::bind(&rx_vita_core_3000::set_tick_rate, perif.framer, _1))
.subscribe(boost::bind(&rx_dsp_core_3000::set_tick_rate, perif.ddc, _1));
- const fs_path rx_dsp_path = mb_path / "rx_dsps" / str(boost::format("%u") % dspno);
+ const fs_path rx_dsp_path = mb_path / "rx_dsps" / 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")
+ .set(0.0) // We can only load a sensible value after the tick rate was set
.coerce(boost::bind(&rx_dsp_core_3000::set_host_rate, perif.ddc, _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")
.coerce(boost::bind(&rx_dsp_core_3000::set_freq, perif.ddc, _1))
.set(0.0);
@@ -632,13 +633,14 @@ void b200_impl::setup_radio(const size_t dspno)
_tree->access<double>(mb_path / "tick_rate")
.subscribe(boost::bind(&tx_vita_core_3000::set_tick_rate, perif.deframer, _1))
.subscribe(boost::bind(&tx_dsp_core_3000::set_tick_rate, perif.duc, _1));
- const fs_path tx_dsp_path = mb_path / "tx_dsps" / str(boost::format("%u") % dspno);
+ const fs_path tx_dsp_path = mb_path / "tx_dsps" / 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")
+ .set(0.0) // We can only load a sensible value after the tick rate was set
.coerce(boost::bind(&tx_dsp_core_3000::set_host_rate, perif.duc, _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")
.coerce(boost::bind(&tx_dsp_core_3000::set_freq, perif.duc, _1))
.set(0.0);
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index aea9b78be..7ed94284d 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -51,7 +51,8 @@ static const boost::uint16_t B200_FPGA_COMPAT_NUM = 6;
static const double B200_BUS_CLOCK_RATE = 100e6;
static const double B200_DEFAULT_TICK_RATE = 32e6;
static const double B200_DEFAULT_FREQ = 100e6; // Hz
-static const double B200_DEFAULT_RATE = 250e3; // Sps
+static const double B200_DEFAULT_DECIM = 128;
+static const double B200_DEFAULT_INTERP = 128;
static const double B200_DEFAULT_RX_GAIN = 0; // dB
static const double B200_DEFAULT_TX_GAIN = 0; // dB
static const boost::uint32_t B200_GPSDO_ST_NONE = 0x83;