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-rw-r--r--host/lib/usrp/multi_usrp.cpp24
-rw-r--r--host/lib/usrp/single_usrp.cpp24
-rw-r--r--host/lib/usrp/tune_helper.cpp138
3 files changed, 90 insertions, 96 deletions
diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 443b91594..8b82502ba 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -210,15 +210,9 @@ public:
return _rx_dsp(0)[DSP_PROP_HOST_RATE].as<double>();
}
- tune_result_t set_rx_freq(double target_freq, size_t chan){
- tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), target_freq);
- do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
- return r;
- }
-
- tune_result_t set_rx_freq(double target_freq, double lo_off, size_t chan){
- tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), target_freq, lo_off);
- do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
+ tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){
+ tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(chan/rx_cpm()), chan%rx_cpm(), tune_request);
+ do_tune_freq_warning_message(tune_request.target_freq, get_rx_freq(chan), "RX");
return r;
}
@@ -314,15 +308,9 @@ public:
return _tx_dsp(0)[DSP_PROP_HOST_RATE].as<double>();
}
- tune_result_t set_tx_freq(double target_freq, size_t chan){
- tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), target_freq);
- do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
- return r;
- }
-
- tune_result_t set_tx_freq(double target_freq, double lo_off, size_t chan){
- tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), target_freq, lo_off);
- do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
+ tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){
+ tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(chan/tx_cpm()), chan%tx_cpm(), tune_request);
+ do_tune_freq_warning_message(tune_request.target_freq, get_tx_freq(chan), "TX");
return r;
}
diff --git a/host/lib/usrp/single_usrp.cpp b/host/lib/usrp/single_usrp.cpp
index 5e57849b8..a0456d1f0 100644
--- a/host/lib/usrp/single_usrp.cpp
+++ b/host/lib/usrp/single_usrp.cpp
@@ -146,15 +146,9 @@ public:
return _rx_dsp()[DSP_PROP_HOST_RATE].as<double>();
}
- tune_result_t set_rx_freq(double target_freq, size_t chan){
- tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(), chan, target_freq);
- do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
- return r;
- }
-
- tune_result_t set_rx_freq(double target_freq, double lo_off, size_t chan){
- tune_result_t r = tune_rx_subdev_and_dsp(_rx_subdev(chan), _rx_dsp(), chan, target_freq, lo_off);
- do_tune_freq_warning_message(target_freq, get_rx_freq(chan), "RX");
+ tune_result_t set_rx_freq(const tune_request_t &tune_request, size_t chan){
+ 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;
}
@@ -238,15 +232,9 @@ public:
return _tx_dsp()[DSP_PROP_HOST_RATE].as<double>();
}
- tune_result_t set_tx_freq(double target_freq, size_t chan){
- tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(), chan, target_freq);
- do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
- return r;
- }
-
- tune_result_t set_tx_freq(double target_freq, double lo_off, size_t chan){
- tune_result_t r = tune_tx_subdev_and_dsp(_tx_subdev(chan), _tx_dsp(), chan, target_freq, lo_off);
- do_tune_freq_warning_message(target_freq, get_tx_freq(chan), "TX");
+ tune_result_t set_tx_freq(const tune_request_t &tune_request, size_t chan){
+ 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;
}
diff --git a/host/lib/usrp/tune_helper.cpp b/host/lib/usrp/tune_helper.cpp
index 7633c67f2..8c57cc428 100644
--- a/host/lib/usrp/tune_helper.cpp
+++ b/host/lib/usrp/tune_helper.cpp
@@ -28,55 +28,97 @@ using namespace uhd::usrp;
/***********************************************************************
* Tune Helper Functions
**********************************************************************/
-static tune_result_t tune_xx_subdev_and_dxc(
+static tune_result_t tune_xx_subdev_and_dsp(
dboard_iface::unit_t unit,
- wax::obj subdev, wax::obj dxc, size_t chan,
- double target_freq, double lo_offset
+ wax::obj subdev, wax::obj dsp, size_t chan,
+ const tune_request_t &tune_request
){
wax::obj subdev_freq_proxy = subdev[SUBDEV_PROP_FREQ];
- std::string freq_name = dxc[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
- wax::obj dxc_freq_proxy = dxc[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)];
- double dxc_sample_rate = dxc[DSP_PROP_CODEC_RATE].as<double>();
+ std::string freq_name = dsp[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
+ wax::obj dsp_freq_proxy = dsp[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)];
+ double dsp_sample_rate = dsp[DSP_PROP_CODEC_RATE].as<double>();
- // Ask the d'board to tune as closely as it can to target_freq+lo_offset
- double target_inter_freq = target_freq + lo_offset;
- subdev_freq_proxy = target_inter_freq;
- double actual_inter_freq = subdev_freq_proxy.as<double>();
-
- //perform the correction correction for dxc rates outside of nyquist
- double delta_freq = std::fmod(target_freq - actual_inter_freq, dxc_sample_rate);
- bool outside_of_nyquist = std::abs(delta_freq) > dxc_sample_rate/2.0;
- double target_dxc_freq = (outside_of_nyquist)?
- boost::math::sign(delta_freq)*dxc_sample_rate - delta_freq : -delta_freq;
+ //------------------------------------------------------------------
+ //-- calculate the LO offset, only used with automatic policy
+ //------------------------------------------------------------------
+ double lo_offset = 0.0;
+ if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
+ //if the local oscillator will be in the passband, use an offset
+ //TODO make this nicer, use bandwidth property to clip bounds
+ lo_offset = 2.0*dsp[DSP_PROP_HOST_RATE].as<double>();
+ }
- //invert the sign on the dxc freq given the following conditions
- if (unit == dboard_iface::UNIT_TX) target_dxc_freq *= -1.0;
+ //------------------------------------------------------------------
+ //-- set the intermediate frequency depending upon the IF policy
+ //------------------------------------------------------------------
+ double target_inter_freq = 0.0;
+ switch (tune_request.inter_freq_policy){
+ case tune_request_t::POLICY_AUTO:
+ target_inter_freq = tune_request.target_freq + lo_offset;
+ subdev_freq_proxy = target_inter_freq;
+ break;
+
+ case tune_request_t::POLICY_MANUAL:
+ target_inter_freq = tune_request.inter_freq;
+ subdev_freq_proxy = target_inter_freq;
+ break;
+
+ case tune_request_t::POLICY_NONE: break; //does not set
+ }
+ double actual_inter_freq = subdev_freq_proxy.as<double>();
- dxc_freq_proxy = target_dxc_freq;
- double actual_dxc_freq = dxc_freq_proxy.as<double>();
+ //------------------------------------------------------------------
+ //-- calculate the dsp freq, only used with automatic policy
+ //------------------------------------------------------------------
+ double delta_freq = std::fmod(target_inter_freq - actual_inter_freq, dsp_sample_rate);
+ bool outside_of_nyquist = std::abs(delta_freq) > dsp_sample_rate/2.0;
+ double target_dsp_freq = (outside_of_nyquist)?
+ boost::math::sign(delta_freq)*dsp_sample_rate - delta_freq : -delta_freq;
+
+ //invert the sign on the dsp freq given the following conditions
+ if (unit == dboard_iface::UNIT_TX) target_dsp_freq *= -1.0;
+
+ //------------------------------------------------------------------
+ //-- set the dsp frequency depending upon the dsp frequency policy
+ //------------------------------------------------------------------
+ switch (tune_request.dsp_freq_policy){
+ case tune_request_t::POLICY_AUTO:
+ dsp_freq_proxy = target_dsp_freq;
+ break;
+
+ case tune_request_t::POLICY_MANUAL:
+ target_dsp_freq = tune_request.dsp_freq;
+ dsp_freq_proxy = target_dsp_freq;
+ break;
+
+ case tune_request_t::POLICY_NONE: break; //does not set
+ }
+ double actual_dsp_freq = dsp_freq_proxy.as<double>();
- //load and return the tune result
+ //------------------------------------------------------------------
+ //-- load and return the tune result
+ //------------------------------------------------------------------
tune_result_t tune_result;
tune_result.target_inter_freq = target_inter_freq;
tune_result.actual_inter_freq = actual_inter_freq;
- tune_result.target_dsp_freq = target_dxc_freq;
- tune_result.actual_dsp_freq = actual_dxc_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_dxc(
+static double derive_freq_from_xx_subdev_and_dsp(
dboard_iface::unit_t unit,
- wax::obj subdev, wax::obj dxc, size_t chan
+ wax::obj subdev, wax::obj dsp, size_t chan
){
//extract actual dsp and IF frequencies
double actual_inter_freq = subdev[SUBDEV_PROP_FREQ].as<double>();
- std::string freq_name = dxc[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
- double actual_dxc_freq = dxc[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)].as<double>();
+ std::string freq_name = dsp[DSP_PROP_FREQ_SHIFT_NAMES].as<prop_names_t>().at(chan);
+ double actual_dsp_freq = dsp[named_prop_t(DSP_PROP_FREQ_SHIFT, freq_name)].as<double>();
- //invert the sign on the dxc freq given the following conditions
- if (unit == dboard_iface::UNIT_TX) actual_dxc_freq *= -1.0;
+ //invert the sign on the dsp freq given the following conditions
+ if (unit == dboard_iface::UNIT_TX) actual_dsp_freq *= -1.0;
- return actual_inter_freq - actual_dxc_freq;
+ return actual_inter_freq - actual_dsp_freq;
}
/***********************************************************************
@@ -84,27 +126,15 @@ static double derive_freq_from_xx_subdev_and_dxc(
**********************************************************************/
tune_result_t usrp::tune_rx_subdev_and_dsp(
wax::obj subdev, wax::obj ddc, size_t chan,
- double target_freq, double lo_offset
-){
- return tune_xx_subdev_and_dxc(dboard_iface::UNIT_RX, subdev, ddc, chan, target_freq, lo_offset);
-}
-
-tune_result_t usrp::tune_rx_subdev_and_dsp(
- wax::obj subdev, wax::obj ddc,
- size_t chan, double target_freq
+ const tune_request_t &tune_request
){
- double lo_offset = 0.0;
- //if the local oscillator will be in the passband, use an offset
- if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
- lo_offset = 2.0*ddc[DSP_PROP_HOST_RATE].as<double>();
- }
- return tune_rx_subdev_and_dsp(subdev, ddc, chan, target_freq, lo_offset);
+ return tune_xx_subdev_and_dsp(dboard_iface::UNIT_RX, subdev, ddc, chan, tune_request);
}
double usrp::derive_freq_from_rx_subdev_and_dsp(
wax::obj subdev, wax::obj ddc, size_t chan
){
- return derive_freq_from_xx_subdev_and_dxc(dboard_iface::UNIT_RX, subdev, ddc, chan);
+ return derive_freq_from_xx_subdev_and_dsp(dboard_iface::UNIT_RX, subdev, ddc, chan);
}
/***********************************************************************
@@ -112,25 +142,13 @@ double usrp::derive_freq_from_rx_subdev_and_dsp(
**********************************************************************/
tune_result_t usrp::tune_tx_subdev_and_dsp(
wax::obj subdev, wax::obj duc, size_t chan,
- double target_freq, double lo_offset
+ const tune_request_t &tune_request
){
- return tune_xx_subdev_and_dxc(dboard_iface::UNIT_TX, subdev, duc, chan, target_freq, lo_offset);
-}
-
-tune_result_t usrp::tune_tx_subdev_and_dsp(
- wax::obj subdev, wax::obj duc,
- size_t chan, double target_freq
-){
- double lo_offset = 0.0;
- //if the local oscillator will be in the passband, use an offset
- if (subdev[SUBDEV_PROP_USE_LO_OFFSET].as<bool>()){
- lo_offset = 2.0*duc[DSP_PROP_HOST_RATE].as<double>();
- }
- return tune_tx_subdev_and_dsp(subdev, duc, chan, target_freq, lo_offset);
+ return tune_xx_subdev_and_dsp(dboard_iface::UNIT_TX, subdev, duc, chan, tune_request);
}
double usrp::derive_freq_from_tx_subdev_and_dsp(
wax::obj subdev, wax::obj duc, size_t chan
){
- return derive_freq_from_xx_subdev_and_dxc(dboard_iface::UNIT_TX, subdev, duc, chan);
+ return derive_freq_from_xx_subdev_and_dsp(dboard_iface::UNIT_TX, subdev, duc, chan);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 08:21:33 +0000