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-rw-r--r--host/include/uhd/property_tree.ipp10
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_200.cpp15
-rw-r--r--host/lib/usrp/cores/rx_dsp_core_200.hpp3
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_200.cpp9
-rw-r--r--host/lib/usrp/cores/tx_dsp_core_200.hpp3
-rw-r--r--host/lib/usrp/multi_usrp.cpp130
-rw-r--r--host/lib/usrp2/usrp2_impl.cpp10
-rw-r--r--host/lib/usrp2/usrp2_impl.hpp1
-rw-r--r--host/utils/uhd_usrp_probe.cpp3
9 files changed, 149 insertions, 35 deletions
diff --git a/host/include/uhd/property_tree.ipp b/host/include/uhd/property_tree.ipp
index 1c61d4937..3dba6fb28 100644
--- a/host/include/uhd/property_tree.ipp
+++ b/host/include/uhd/property_tree.ipp
@@ -19,7 +19,6 @@
#define INCLUDED_UHD_PROPERTY_TREE_IPP
#include <boost/foreach.hpp>
-#include <boost/any.hpp>
#include <vector>
/***********************************************************************
@@ -51,23 +50,22 @@ public:
}
property<T> &set(const T &value){
- T new_value(_master.empty()? value : _master(value));
- _value = new_value; //shadow it
+ _value = boost::shared_ptr<T>(new T(_master.empty()? value : _master(value)));
BOOST_FOREACH(typename property<T>::subscriber_type &subscriber, _subscribers){
- subscriber(new_value); //let errors propagate
+ subscriber(*_value); //let errors propagate
}
return *this;
}
T get(void) const{
- return _publisher.empty()? boost::any_cast<T>(_value) : _publisher();
+ return _publisher.empty()? *_value : _publisher();
}
private:
std::vector<typename property<T>::subscriber_type> _subscribers;
typename property<T>::publisher_type _publisher;
typename property<T>::master_type _master;
- boost::any _value; //any type so we can assign structs w/ const members
+ boost::shared_ptr<T> _value;
};
}} //namespace uhd::/*anon*/
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.cpp b/host/lib/usrp/cores/rx_dsp_core_200.cpp
index 3215bea15..8fcf4df96 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.cpp
@@ -22,12 +22,12 @@
#include <boost/math/special_functions/round.hpp>
#include <boost/math/special_functions/sign.hpp>
#include <algorithm>
-#include <algorithm>
#include <cmath>
#define REG_DSP_RX_FREQ _dsp_base + 0
-#define REG_DSP_RX_DECIM _dsp_base + 4
-#define REG_DSP_RX_MUX _dsp_base + 8
+//skip one right here
+#define REG_DSP_RX_DECIM _dsp_base + 8
+#define REG_DSP_RX_MUX _dsp_base + 12
#define FLAG_DSP_RX_MUX_SWAP_IQ (1 << 0)
#define FLAG_DSP_RX_MUX_REAL_MODE (1 << 1)
@@ -123,7 +123,8 @@ public:
}
double set_host_rate(const double rate){
- int decim = boost::math::iround(_tick_rate/rate);
+ const size_t decim_rate = boost::math::iround(_tick_rate/rate);
+ size_t decim = decim_rate;
//determine which half-band filters are activated
int hb0 = 0, hb1 = 0;
@@ -138,7 +139,7 @@ public:
_iface->poke32(REG_DSP_RX_DECIM, (hb1 << 9) | (hb0 << 8) | (decim & 0xff));
- return _tick_rate/decim;
+ return _tick_rate/decim_rate;
}
double set_freq(const double freq_){
@@ -160,6 +161,10 @@ public:
return actual_freq;
}
+ uhd::meta_range_t get_freq_range(void){
+ return uhd::meta_range_t(-_tick_rate/2, +_tick_rate/2, _tick_rate/std::pow(2.0, 32));
+ }
+
void handle_overflow(void){
if (_continuous_streaming) issue_stream_command(stream_cmd_t::STREAM_MODE_START_CONTINUOUS);
}
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.hpp b/host/lib/usrp/cores/rx_dsp_core_200.hpp
index c496fca76..e0b6e18e4 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.hpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.hpp
@@ -19,6 +19,7 @@
#define INCLUDED_LIBUHD_USRP_RX_DSP_CORE_200_HPP
#include <uhd/config.hpp>
+#include <uhd/types/ranges.hpp>
#include <boost/utility.hpp>
#include <boost/shared_ptr.hpp>
#include <uhd/types/stream_cmd.hpp>
@@ -45,6 +46,8 @@ public:
virtual double set_host_rate(const double rate) = 0;
+ virtual uhd::meta_range_t get_freq_range(void) = 0;
+
virtual double set_freq(const double freq) = 0;
virtual void handle_overflow(void) = 0;
diff --git a/host/lib/usrp/cores/tx_dsp_core_200.cpp b/host/lib/usrp/cores/tx_dsp_core_200.cpp
index 293b0b447..d2981bbdb 100644
--- a/host/lib/usrp/cores/tx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/tx_dsp_core_200.cpp
@@ -69,7 +69,8 @@ public:
}
double set_host_rate(const double rate){
- int interp = boost::math::iround(_tick_rate/rate);
+ const size_t interp_rate = boost::math::iround(_tick_rate/rate);
+ size_t interp = interp_rate;
//determine which half-band filters are activated
int hb0 = 0, hb1 = 0;
@@ -90,7 +91,7 @@ public:
const boost::int16_t scale = boost::math::iround((4096*std::pow(2, ceil_log2(rate_cubed)))/(1.65*rate_cubed));
_iface->poke32(REG_DSP_TX_SCALE_IQ, (boost::uint32_t(scale) << 16) | (boost::uint32_t(scale) << 0));
- return _tick_rate/interp;
+ return _tick_rate/interp_rate;
}
double set_freq(const double freq_){
@@ -112,6 +113,10 @@ public:
return actual_freq;
}
+ uhd::meta_range_t get_freq_range(void){
+ return uhd::meta_range_t(-_tick_rate/2, +_tick_rate/2, _tick_rate/std::pow(2.0, 32));
+ }
+
void set_updates(const size_t cycles_per_up, const size_t packets_per_up){
_iface->poke32(REG_TX_CTRL_CYCLES_PER_UP, (cycles_per_up == 0)? 0 : (FLAG_TX_CTRL_UP_ENB | cycles_per_up));
_iface->poke32(REG_TX_CTRL_PACKETS_PER_UP, (packets_per_up == 0)? 0 : (FLAG_TX_CTRL_UP_ENB | packets_per_up));
diff --git a/host/lib/usrp/cores/tx_dsp_core_200.hpp b/host/lib/usrp/cores/tx_dsp_core_200.hpp
index f218fe8c9..f74ec0bdb 100644
--- a/host/lib/usrp/cores/tx_dsp_core_200.hpp
+++ b/host/lib/usrp/cores/tx_dsp_core_200.hpp
@@ -19,6 +19,7 @@
#define INCLUDED_LIBUHD_USRP_TX_DSP_CORE_200_HPP
#include <uhd/config.hpp>
+#include <uhd/types/ranges.hpp>
#include <boost/utility.hpp>
#include <boost/shared_ptr.hpp>
#include "wb_iface.hpp"
@@ -37,6 +38,8 @@ public:
virtual double set_host_rate(const double rate) = 0;
+ virtual uhd::meta_range_t get_freq_range(void) = 0;
+
virtual double set_freq(const double freq) = 0;
virtual void set_updates(const size_t cycles_per_up, const size_t packets_per_up) = 0;
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 935419c18..4c16772b3 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -23,11 +23,6 @@
#include <uhd/exception.hpp>
#include <uhd/utils/msg.hpp>
#include <uhd/utils/gain_group.hpp>
-#include <uhd/usrp/subdev_props.hpp>
-#include <uhd/usrp/mboard_props.hpp>
-#include <uhd/usrp/device_props.hpp>
-#include <uhd/usrp/dboard_props.hpp>
-#include <uhd/usrp/dsp_props.hpp>
#include <boost/thread.hpp>
#include <boost/foreach.hpp>
#include <boost/format.hpp>
@@ -71,6 +66,9 @@ static void do_tune_freq_warning_message(
}
}
+/***********************************************************************
+ * Gain helper functions
+ **********************************************************************/
static double get_gain_value(property_tree::sptr tree, const property_tree::path_type &path){
return tree->access<double>(path / "value").get();
}
@@ -92,6 +90,100 @@ static gain_fcns_t make_gain_fcns_from_path(property_tree::sptr tree, const prop
}
/***********************************************************************
+ * Tune Helper Functions
+ **********************************************************************/
+static const double RX_SIGN = +1.0;
+static const double TX_SIGN = -1.0;
+
+static tune_result_t tune_xx_subdev_and_dsp(
+ const double xx_sign,
+ property_tree::sptr tree,
+ const property_tree::path_type &dsp_path,
+ const property_tree::path_type &rf_fe_path,
+ const tune_request_t &tune_request
+){
+ //------------------------------------------------------------------
+ //-- calculate the LO offset, only used with automatic policy
+ //------------------------------------------------------------------
+ double lo_offset = 0.0;
+ if (tree->access<bool>(rf_fe_path / "use_lo_offset").get()){
+ //If the local oscillator will be in the passband, use an offset.
+ //But constrain the LO offset by the width of the filter bandwidth.
+ const double rate = tree->access<double>(dsp_path / "rate" / "value").get();
+ const double bw = tree->access<double>(rf_fe_path / "bandwidth" / "value").get();
+ if (bw > rate) lo_offset = std::min((bw - rate)/2, rate/2);
+ }
+
+ //------------------------------------------------------------------
+ //-- set the RF frequency depending upon the policy
+ //------------------------------------------------------------------
+ double target_rf_freq = 0.0;
+ switch (tune_request.rf_freq_policy){
+ case tune_request_t::POLICY_AUTO:
+ target_rf_freq = tune_request.target_freq + lo_offset;
+ tree->access<double>(rf_fe_path / "freq" / "value").set(target_rf_freq);
+ break;
+
+ case tune_request_t::POLICY_MANUAL:
+ target_rf_freq = tune_request.rf_freq;
+ tree->access<double>(rf_fe_path / "freq" / "value").set(target_rf_freq);
+ break;
+
+ case tune_request_t::POLICY_NONE: break; //does not set
+ }
+ const double actual_rf_freq = tree->access<double>(rf_fe_path / "freq" / "value").get();
+
+ //------------------------------------------------------------------
+ //-- calculate the dsp freq, only used with automatic policy
+ //------------------------------------------------------------------
+ double target_dsp_freq = actual_rf_freq - tune_request.target_freq;
+
+ //invert the sign on the dsp freq for transmit
+ target_dsp_freq *= xx_sign;
+
+ //------------------------------------------------------------------
+ //-- set the dsp frequency depending upon the dsp frequency policy
+ //------------------------------------------------------------------
+ switch (tune_request.dsp_freq_policy){
+ case tune_request_t::POLICY_AUTO:
+ tree->access<double>(dsp_path / "freq" / "value").set(target_dsp_freq);
+ break;
+
+ case tune_request_t::POLICY_MANUAL:
+ target_dsp_freq = tune_request.dsp_freq;
+ tree->access<double>(dsp_path / "freq" / "value").set(target_dsp_freq);
+ break;
+
+ case tune_request_t::POLICY_NONE: break; //does not set
+ }
+ const double actual_dsp_freq = tree->access<double>(dsp_path / "freq" / "value").get();
+
+ //------------------------------------------------------------------
+ //-- load and return the tune result
+ //------------------------------------------------------------------
+ tune_result_t tune_result;
+ tune_result.target_rf_freq = target_rf_freq;
+ tune_result.actual_rf_freq = actual_rf_freq;
+ tune_result.target_dsp_freq = target_dsp_freq;
+ tune_result.actual_dsp_freq = actual_dsp_freq;
+ return tune_result;
+}
+
+static double derive_freq_from_xx_subdev_and_dsp(
+ const double xx_sign,
+ property_tree::sptr tree,
+ const property_tree::path_type &dsp_path,
+ const property_tree::path_type &rf_fe_path
+){
+ //extract actual dsp and IF frequencies
+ const double actual_rf_freq = tree->access<double>(rf_fe_path / "freq" / "value").get();
+ const double actual_dsp_freq = tree->access<double>(dsp_path / "freq" / "value").get();
+
+ //invert the sign on the dsp freq for transmit
+ return actual_rf_freq - actual_dsp_freq * xx_sign;
+}
+
+/***********************************************************************
* Multi USRP Implementation
**********************************************************************/
class multi_usrp_impl : public multi_usrp{
@@ -296,21 +388,19 @@ public:
}
tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){
- //TODO must invent for tree
- //tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan), tune_request);
- //do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX");
- //return r;
+ tune_result_t r = tune_xx_subdev_and_dsp(RX_SIGN, _tree, rx_dsp_root(chan), rx_rf_fe_root(chan), tune_request);
+ do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX");
+ return r;
}
double get_rx_freq(size_t chan){
- //TODO must invent for tree
- //return derive_freq_from_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan));
+ return derive_freq_from_xx_subdev_and_dsp(RX_SIGN, _tree, rx_dsp_root(chan), rx_rf_fe_root(chan));
}
freq_range_t get_rx_freq_range(size_t chan){
meta_range_t range = _tree->access<meta_range_t>(rx_rf_fe_root(chan) / "freq" / "range").get();
- const double tick_rate = get_master_clock_rate(0); //ASSUME
- return meta_range_t(range.start() - tick_rate/2.0, range.stop() + tick_rate/2.0);
+ meta_range_t dsp_range = _tree->access<meta_range_t>(rx_dsp_root(chan) / "freq" / "range").get();
+ return meta_range_t(range.start() + dsp_range.start(), range.stop() + dsp_range.stop(), dsp_range.step());
}
void set_rx_gain(double gain, const std::string &name, size_t chan){
@@ -406,21 +496,19 @@ public:
}
tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){
- //TODO must invent for tree
- //tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan), tune_request);
- //do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "TX");
- //return r;
+ tune_result_t r = tune_xx_subdev_and_dsp(TX_SIGN, _tree, tx_dsp_root(chan), tx_rf_fe_root(chan), tune_request);
+ do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "RX");
+ return r;
}
double get_tx_freq(size_t chan){
- //TODO must invent for tree
- //return derive_freq_from_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan));
+ return derive_freq_from_xx_subdev_and_dsp(TX_SIGN, _tree, tx_dsp_root(chan), tx_rf_fe_root(chan));
}
freq_range_t get_tx_freq_range(size_t chan){
meta_range_t range = _tree->access<meta_range_t>(tx_rf_fe_root(chan) / "freq" / "range").get();
- const double tick_rate = get_master_clock_rate(0); //ASSUME
- return meta_range_t(range.start() - tick_rate/2.0, range.stop() + tick_rate/2.0);
+ meta_range_t dsp_range = _tree->access<meta_range_t>(tx_dsp_root(chan) / "freq" / "range").get();
+ return meta_range_t(range.start() + dsp_range.start(), range.stop() + dsp_range.stop(), dsp_range.step());
}
void set_tx_gain(double gain, const std::string &name, size_t chan){
diff --git a/host/lib/usrp2/usrp2_impl.cpp b/host/lib/usrp2/usrp2_impl.cpp
index 50d1eb2e2..e65461103 100644
--- a/host/lib/usrp2/usrp2_impl.cpp
+++ b/host/lib/usrp2/usrp2_impl.cpp
@@ -437,6 +437,8 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
.subscribe(boost::bind(&usrp2_impl::update_rx_samp_rate, this, _1));
_tree->create<double>(rx_dsp_path / "freq/value")
.subscribe_master(boost::bind(&rx_dsp_core_200::set_freq, _mbc[mb].rx_dsps[dspno], _1));
+ _tree->create<meta_range_t>(rx_dsp_path / "freq/range")
+ .publish(boost::bind(&rx_dsp_core_200::get_freq_range, _mbc[mb].rx_dsps[dspno]));
_tree->create<stream_cmd_t>(rx_dsp_path / "stream_cmd")
.subscribe(boost::bind(&rx_dsp_core_200::issue_stream_command, _mbc[mb].rx_dsps[dspno], _1));
}
@@ -454,6 +456,8 @@ usrp2_impl::usrp2_impl(const device_addr_t &_device_addr){
.subscribe(boost::bind(&usrp2_impl::update_tx_samp_rate, this, _1));
_tree->create<double>(mb_path / "tx_dsps/0/freq/value")
.subscribe_master(boost::bind(&usrp2_impl::set_tx_dsp_freq, this, mb, _1));
+ _tree->create<meta_range_t>(mb_path / "tx_dsps/0/freq/range")
+ .publish(boost::bind(&usrp2_impl::get_tx_dsp_freq_range, this, mb));
//setup dsp flow control
const double ups_per_sec = device_args_i.cast<double>("ups_per_sec", 20);
@@ -605,6 +609,12 @@ double usrp2_impl::set_tx_dsp_freq(const std::string &mb, const double freq_){
return _mbc[mb].tx_dsp->set_freq(new_freq) + dac_shift; //actual freq
}
+meta_range_t usrp2_impl::get_tx_dsp_freq_range(const std::string &mb){
+ const double tick_rate = _tree->access<double>("/mboards/"+mb+"/tick_rate").get();
+ const meta_range_t dsp_range = _mbc[mb].tx_dsp->get_freq_range();
+ return meta_range_t(dsp_range.start() - tick_rate*2, dsp_range.stop() + tick_rate*2, dsp_range.step());
+}
+
void usrp2_impl::update_ref_source(const std::string &mb, const std::string &source){
//clock source ref 10mhz
switch(_mbc[mb].iface->get_rev()){
diff --git a/host/lib/usrp2/usrp2_impl.hpp b/host/lib/usrp2/usrp2_impl.hpp
index 8ec61f739..ad203079b 100644
--- a/host/lib/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp2/usrp2_impl.hpp
@@ -127,6 +127,7 @@ private:
void update_rx_subdev_spec(const std::string &, const uhd::usrp::subdev_spec_t &);
void update_tx_subdev_spec(const std::string &, const uhd::usrp::subdev_spec_t &);
double set_tx_dsp_freq(const std::string &, const double);
+ uhd::meta_range_t get_tx_dsp_freq_range(const std::string &);
void update_ref_source(const std::string &, const std::string &);
};
diff --git a/host/utils/uhd_usrp_probe.cpp b/host/utils/uhd_usrp_probe.cpp
index e90f82ee8..caf419719 100644
--- a/host/utils/uhd_usrp_probe.cpp
+++ b/host/utils/uhd_usrp_probe.cpp
@@ -55,7 +55,8 @@ static std::string get_dsp_pp_string(const std::string &type, property_tree::spt
std::stringstream ss;
ss << boost::format("%s DSP: %s") % type % path.leaf() << std::endl;
//ss << std::endl;
- ss << boost::format("DSP Rate: %f Msps") % (tree->access<double>(path.branch_path().branch_path() / "tick_rate").get()/1e6) << std::endl;
+ meta_range_t freq_range = tree->access<meta_range_t>(path / "freq/range").get();
+ ss << boost::format("Freq range: %.3f to %.3f Mhz") % (freq_range.start()/1e6) % (freq_range.stop()/1e6) << std::endl;;
return ss.str();
}