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-rw-r--r--host/include/uhd/types/tune_request.hpp12
-rw-r--r--host/include/uhd/types/tune_result.hpp10
-rw-r--r--host/lib/types/tune.cpp18
-rw-r--r--host/lib/usrp/tune_helper.cpp26
-rw-r--r--host/tests/tune_helper_test.cpp12
5 files changed, 37 insertions, 41 deletions
diff --git a/host/include/uhd/types/tune_request.hpp b/host/include/uhd/types/tune_request.hpp
index b59f37c2e..9c498bfe9 100644
--- a/host/include/uhd/types/tune_request.hpp
+++ b/host/include/uhd/types/tune_request.hpp
@@ -32,7 +32,7 @@ namespace uhd{
struct UHD_API tune_request_t{
/*!
* Make a new tune request for a particular center frequency.
- * Use an automatic policy for the intermediate and DSP frequency
+ * Use an automatic policy for the RF and DSP frequency
* to tune the chain as close as possible to the target frequency.
* \param target_freq the target frequency in Hz
*/
@@ -40,7 +40,7 @@ namespace uhd{
/*!
* Make a new tune request for a particular center frequency.
- * Use a manual policy for the intermediate frequency,
+ * Use a manual policy for the RF frequency,
* and an automatic policy for the DSP frequency,
* to tune the chain as close as possible to the target frequency.
* \param target_freq the target frequency in Hz
@@ -65,16 +65,16 @@ namespace uhd{
double target_freq;
/*!
- * The policy for the intermediate frequency.
+ * The policy for the RF frequency.
* Automatic behavior: the target frequency + default LO offset.
*/
- policy_t inter_freq_policy;
+ policy_t rf_freq_policy;
/*!
- * The intermediate frequency in Hz.
+ * The RF frequency in Hz.
* Set when the policy is set to manual.
*/
- double inter_freq;
+ double rf_freq;
/*!
* The policy for the DSP frequency.
diff --git a/host/include/uhd/types/tune_result.hpp b/host/include/uhd/types/tune_result.hpp
index 9eebc161a..e51473085 100644
--- a/host/include/uhd/types/tune_result.hpp
+++ b/host/include/uhd/types/tune_result.hpp
@@ -24,15 +24,11 @@
namespace uhd{
/*!
- * The tune result struct holds result of a 2-phase tuning:
- * The struct hold the result of tuning the dboard as
- * the target and actual intermediate frequency.
- * The struct hold the result of tuning the DSP as
- * the target and actual digital converter frequency.
+ * The tune result struct holds result of a 2-phase tuning.
*/
struct UHD_API tune_result_t{
- double target_inter_freq;
- double actual_inter_freq;
+ double target_rf_freq;
+ double actual_rf_freq;
double target_dsp_freq;
double actual_dsp_freq;
diff --git a/host/lib/types/tune.cpp b/host/lib/types/tune.cpp
index 601bc20e8..154f0990f 100644
--- a/host/lib/types/tune.cpp
+++ b/host/lib/types/tune.cpp
@@ -23,7 +23,7 @@ using namespace uhd;
tune_request_t::tune_request_t(double target_freq):
target_freq(target_freq),
- inter_freq_policy(POLICY_AUTO),
+ rf_freq_policy(POLICY_AUTO),
dsp_freq_policy(POLICY_AUTO)
{
/* NOP */
@@ -31,8 +31,8 @@ tune_request_t::tune_request_t(double target_freq):
tune_request_t::tune_request_t(double target_freq, double lo_off):
target_freq(target_freq),
- inter_freq_policy(POLICY_MANUAL),
- inter_freq(target_freq + lo_off),
+ rf_freq_policy(POLICY_MANUAL),
+ rf_freq(target_freq + lo_off),
dsp_freq_policy(POLICY_AUTO)
{
/* NOP */
@@ -41,12 +41,12 @@ tune_request_t::tune_request_t(double target_freq, double lo_off):
std::string tune_result_t::to_pp_string(void) const{
return str(boost::format(
"Tune Result:\n"
- " Target Intermediate Freq: %f (MHz)\n"
- " Actual Intermediate Freq: %f (MHz)\n"
- " Target DSP Freq Shift: %f (MHz)\n"
- " Actual DSP Freq Shift: %f (MHz)\n"
+ " Target RF Freq: %f (MHz)\n"
+ " Actual RF Freq: %f (MHz)\n"
+ " Target DSP Freq: %f (MHz)\n"
+ " Actual DSP Freq: %f (MHz)\n"
)
- % (target_inter_freq/1e6) % (actual_inter_freq/1e6)
- % (target_dsp_freq/1e6) % (actual_dsp_freq/1e6)
+ % (target_rf_freq/1e6) % (actual_rf_freq/1e6)
+ % (target_dsp_freq/1e6) % (actual_dsp_freq/1e6)
);
}
diff --git a/host/lib/usrp/tune_helper.cpp b/host/lib/usrp/tune_helper.cpp
index 9637301ad..264e6c04b 100644
--- a/host/lib/usrp/tune_helper.cpp
+++ b/host/lib/usrp/tune_helper.cpp
@@ -49,28 +49,28 @@ static tune_result_t tune_xx_subdev_and_dsp(
}
//------------------------------------------------------------------
- //-- set the intermediate frequency depending upon the IF policy
+ //-- set the RF frequency depending upon the policy
//------------------------------------------------------------------
- double target_inter_freq = 0.0;
- switch (tune_request.inter_freq_policy){
+ double target_rf_freq = 0.0;
+ switch (tune_request.rf_freq_policy){
case tune_request_t::POLICY_AUTO:
- target_inter_freq = tune_request.target_freq + lo_offset;
- subdev_freq_proxy = target_inter_freq;
+ target_rf_freq = tune_request.target_freq + lo_offset;
+ subdev_freq_proxy = target_rf_freq;
break;
case tune_request_t::POLICY_MANUAL:
- target_inter_freq = tune_request.inter_freq;
- subdev_freq_proxy = target_inter_freq;
+ target_rf_freq = tune_request.rf_freq;
+ subdev_freq_proxy = target_rf_freq;
break;
case tune_request_t::POLICY_NONE: break; //does not set
}
- double actual_inter_freq = subdev_freq_proxy.as<double>();
+ double actual_rf_freq = subdev_freq_proxy.as<double>();
//------------------------------------------------------------------
//-- calculate the dsp freq, only used with automatic policy
//------------------------------------------------------------------
- double target_dsp_freq = actual_inter_freq - tune_request.target_freq;
+ double target_dsp_freq = actual_rf_freq - tune_request.target_freq;
//invert the sign on the dsp freq given the following conditions
if (unit == dboard_iface::UNIT_TX) target_dsp_freq *= -1.0;
@@ -96,8 +96,8 @@ static tune_result_t tune_xx_subdev_and_dsp(
//-- 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_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;
@@ -107,13 +107,13 @@ static double derive_freq_from_xx_subdev_and_dsp(
dboard_iface::unit_t unit, wax::obj subdev, wax::obj dsp
){
//extract actual dsp and IF frequencies
- double actual_inter_freq = subdev[SUBDEV_PROP_FREQ].as<double>();
+ double actual_rf_freq = subdev[SUBDEV_PROP_FREQ].as<double>();
double actual_dsp_freq = dsp[DSP_PROP_FREQ_SHIFT].as<double>();
//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_dsp_freq;
+ return actual_rf_freq - actual_dsp_freq;
}
/***********************************************************************
diff --git a/host/tests/tune_helper_test.cpp b/host/tests/tune_helper_test.cpp
index 51d216825..9147cd310 100644
--- a/host/tests/tune_helper_test.cpp
+++ b/host/tests/tune_helper_test.cpp
@@ -188,7 +188,7 @@ BOOST_AUTO_TEST_CASE(test_tune_helper_rx){
std::cout << "Testing tune helper RX automatic IF offset" << std::endl;
tune_result_t tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.3451e9);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.345e9, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 2.345e9, tolerance);
BOOST_CHECK_CLOSE(tr.actual_dsp_freq, -100e3, tolerance);
double freq_derived = derive_freq_from_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link());
@@ -202,7 +202,7 @@ BOOST_AUTO_TEST_CASE(test_tune_helper_tx){
std::cout << "Testing tune helper TX automatic IF offset" << std::endl;
tune_result_t tr = tune_tx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.3451e9);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.345e9, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 2.345e9, tolerance);
BOOST_CHECK_CLOSE(tr.actual_dsp_freq, 100e3, tolerance);
double freq_derived = derive_freq_from_tx_subdev_and_dsp(subdev.get_link(), dsp.get_link());
@@ -216,7 +216,7 @@ BOOST_AUTO_TEST_CASE(test_tune_helper_rx_nyquist){
std::cout << "Testing tune helper RX dummy basic board" << std::endl;
tune_result_t tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 55e6);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 0.0, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 0.0, tolerance);
BOOST_CHECK_CLOSE(tr.actual_dsp_freq, 45e6, tolerance);
double freq_derived = derive_freq_from_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link());
@@ -233,19 +233,19 @@ BOOST_AUTO_TEST_CASE(test_tune_helper_rx_lo_off){
dsp[DSP_PROP_HOST_RATE] = double(4e6);
tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.45e9);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.45e9+4e6/2, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 2.45e9+4e6/2, tolerance);
std::cout << "Testing tune helper RX automatic LO offset B > fs" << std::endl;
subdev[SUBDEV_PROP_BANDWIDTH] = double(40e6);
dsp[DSP_PROP_HOST_RATE] = double(25e6);
tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.45e9);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.45e9+(40e6-25e6)/2, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 2.45e9+(40e6-25e6)/2, tolerance);
std::cout << "Testing tune helper RX automatic LO offset B < fs" << std::endl;
subdev[SUBDEV_PROP_BANDWIDTH] = double(20e6);
dsp[DSP_PROP_HOST_RATE] = double(25e6);
tr = tune_rx_subdev_and_dsp(subdev.get_link(), dsp.get_link(), 2.45e9);
std::cout << tr.to_pp_string() << std::endl;
- BOOST_CHECK_CLOSE(tr.actual_inter_freq, 2.45e9, tolerance);
+ BOOST_CHECK_CLOSE(tr.actual_rf_freq, 2.45e9, tolerance);
}
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