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-rw-r--r--host/lib/usrp/dboard/CMakeLists.txt1
-rw-r--r--host/lib/usrp/dboard/db_basic_and_lf.cpp43
-rw-r--r--host/lib/usrp/dboard/db_dbsrx.cpp68
-rw-r--r--host/lib/usrp/dboard/db_rfx.cpp47
-rw-r--r--host/lib/usrp/dboard/db_tvrx.cpp495
-rw-r--r--host/lib/usrp/dboard/db_unknown.cpp37
-rw-r--r--host/lib/usrp/dboard/db_wbx.cpp37
-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp161
8 files changed, 842 insertions, 47 deletions
diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt
index 3e995009e..8d3d11530 100644
--- a/host/lib/usrp/dboard/CMakeLists.txt
+++ b/host/lib/usrp/dboard/CMakeLists.txt
@@ -24,5 +24,6 @@ LIBUHD_APPEND_SOURCES(
${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_wbx.cpp
${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_dbsrx.cpp
${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_unknown.cpp
+ ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_tvrx.cpp
)
diff --git a/host/lib/usrp/dboard/db_basic_and_lf.cpp b/host/lib/usrp/dboard/db_basic_and_lf.cpp
index 4b0d8bf27..4c49b3bff 100644
--- a/host/lib/usrp/dboard/db_basic_and_lf.cpp
+++ b/host/lib/usrp/dboard/db_basic_and_lf.cpp
@@ -20,6 +20,7 @@
#include <uhd/types/ranges.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/static.hpp>
+#include <uhd/utils/warning.hpp>
#include <uhd/usrp/dboard_base.hpp>
#include <uhd/usrp/dboard_manager.hpp>
#include <boost/assign/list_of.hpp>
@@ -68,11 +69,11 @@ static const uhd::dict<std::string, subdev_conn_t> sd_name_to_conn = map_list_of
* Register the basic and LF dboards
**********************************************************************/
static dboard_base::sptr make_basic_rx(dboard_base::ctor_args_t args){
- return dboard_base::sptr(new basic_rx(args, 90e9));
+ return dboard_base::sptr(new basic_rx(args, 250e6));
}
static dboard_base::sptr make_basic_tx(dboard_base::ctor_args_t args){
- return dboard_base::sptr(new basic_tx(args, 90e9));
+ return dboard_base::sptr(new basic_tx(args, 250e6));
}
static dboard_base::sptr make_lf_rx(dboard_base::ctor_args_t args){
@@ -149,6 +150,10 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){
val = sd_name_to_conn[get_subdev_name()];
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -157,6 +162,10 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){
val = true; //there is no LO, so it must be true!
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*_max_freq; //we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -178,6 +187,17 @@ void basic_rx::rx_set(const wax::obj &key_, const wax::obj &val){
case SUBDEV_PROP_FREQ:
return; // it wont do you much good, but you can set it
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("%s: No tunable bandwidth, fixed filtered to %0.2fMHz")
+ % get_rx_id().to_pp_string() % _max_freq
+ )
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
@@ -241,6 +261,10 @@ void basic_tx::tx_get(const wax::obj &key_, wax::obj &val){
val = sd_name_to_conn[get_subdev_name()];
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -249,6 +273,10 @@ void basic_tx::tx_get(const wax::obj &key_, wax::obj &val){
val = true; //there is no LO, so it must be true!
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*_max_freq; //we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -270,6 +298,17 @@ void basic_tx::tx_set(const wax::obj &key_, const wax::obj &val){
case SUBDEV_PROP_FREQ:
return; // it wont do you much good, but you can set it
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("%s: No tunable bandwidth, fixed filtered to %0.2fMHz")
+ % get_tx_id().to_pp_string() % _max_freq
+ )
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp
index 81434f054..85251bdf9 100644
--- a/host/lib/usrp/dboard/db_dbsrx.cpp
+++ b/host/lib/usrp/dboard/db_dbsrx.cpp
@@ -69,7 +69,7 @@ public:
private:
double _lo_freq;
- float _bandwidth;
+ double _bandwidth;
uhd::dict<std::string, float> _gains;
max2118_write_regs_t _max2118_write_regs;
max2118_read_regs_t _max2118_read_regs;
@@ -79,7 +79,7 @@ private:
void set_lo_freq(double target_freq);
void set_gain(float gain, const std::string &name);
- void set_bandwidth(float bandwidth);
+ void set_bandwidth(double bandwidth);
void send_reg(boost::uint8_t start_reg, boost::uint8_t stop_reg){
start_reg = boost::uint8_t(std::clip(int(start_reg), 0x0, 0x5));
@@ -162,15 +162,10 @@ static dboard_base::sptr make_dbsrx(dboard_base::ctor_args_t args){
return dboard_base::sptr(new dbsrx(args));
}
-//dbid for USRP2 version
UHD_STATIC_BLOCK(reg_dbsrx_dboard){
- //register the factory function for the rx dbid
+ //register the factory function for the rx dbid (others version)
dboard_manager::register_dboard(0x000D, &make_dbsrx, "DBSRX");
-}
-
-//dbid for USRP1 version
-UHD_STATIC_BLOCK(reg_dbsrx_on_usrp1_dboard){
- //register the factory function for the rx dbid
+ //register the factory function for the rx dbid (USRP1 version)
dboard_manager::register_dboard(0x0002, &make_dbsrx, "DBSRX");
}
@@ -180,7 +175,7 @@ UHD_STATIC_BLOCK(reg_dbsrx_on_usrp1_dboard){
dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
//warn user about incorrect DBID on USRP1, requires R193 populated
if (this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x000D)
- uhd::print_warning(
+ uhd::warning::post(
str(boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x0002 and R193\n"
@@ -191,7 +186,7 @@ dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
//warn user about incorrect DBID on non-USRP1, requires R194 populated
if (not this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x0002)
- uhd::print_warning(
+ uhd::warning::post(
str(boost::format(
"DBSRX: incorrect dbid\n"
"Expected dbid 0x000D and R194\n"
@@ -239,11 +234,12 @@ void dbsrx::set_lo_freq(double target_freq){
double actual_freq=0.0, pfd_freq=0.0, ref_clock=0.0;
int R=0, N=0, r=0, m=0;
bool update_filter_settings = false;
-
//choose refclock
std::vector<double> clock_rates = this->get_iface()->get_clock_rates(dboard_iface::UNIT_RX);
+ const double max_clock_rate = std::sorted(clock_rates).back();
BOOST_FOREACH(ref_clock, std::reversed(std::sorted(clock_rates))){
if (ref_clock > 27.0e6) continue;
+ if (size_t(max_clock_rate/ref_clock)%2 == 1) continue; //reject asymmetric clocks (odd divisors)
//choose m_divider such that filter tuning constraint is met
m = 31;
@@ -251,7 +247,7 @@ void dbsrx::set_lo_freq(double target_freq){
if(dbsrx_debug) std::cerr << boost::format(
"DBSRX: trying ref_clock %f and m_divider %d"
- ) % (this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX)) % m << std::endl;
+ ) % (ref_clock) % m << std::endl;
if (m >= 32) continue;
@@ -277,15 +273,17 @@ void dbsrx::set_lo_freq(double target_freq){
}
}
- //Assert because we failed to find a suitable combination of ref_clock, R and N
- UHD_ASSERT_THROW(ref_clock/(1 << m) < 1e6 or ref_clock/(1 << m) > 2.5e6);
- UHD_ASSERT_THROW((pfd_freq < dbsrx_pfd_freq_range.min) or (pfd_freq > dbsrx_pfd_freq_range.max));
- UHD_ASSERT_THROW((N < 256) or (N > 32768));
done_loop:
+ //Assert because we failed to find a suitable combination of ref_clock, R and N
+ UHD_ASSERT_THROW(ref_clock <= 27.0e6 and ref_clock >= 0.0);
+ UHD_ASSERT_THROW(ref_clock/m >= 1e6 and ref_clock/m <= 2.5e6);
+ UHD_ASSERT_THROW((pfd_freq >= dbsrx_pfd_freq_range.min) and (pfd_freq <= dbsrx_pfd_freq_range.max));
+ UHD_ASSERT_THROW((N >= 256) and (N <= 32768));
+
if(dbsrx_debug) std::cerr << boost::format(
- "DBSRX: choose ref_clock %f and m_divider %d"
- ) % (this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX)) % m << std::endl;
+ "DBSRX: choose ref_clock (current: %f, new: %f) and m_divider %d"
+ ) % (this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX)) % ref_clock % m << std::endl;
//if ref_clock or m divider changed, we need to update the filter settings
if (ref_clock != this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX) or m != _max2118_write_regs.m_divider) update_filter_settings = true;
@@ -344,12 +342,12 @@ void dbsrx::set_lo_freq(double target_freq){
//vtune is too low, try lower frequency vco
if (_max2118_read_regs.adc == 0){
if (_max2118_write_regs.osc_band == 0){
- uhd::print_warning(
+ uhd::warning::post(
str(boost::format(
"DBSRX: Tuning exceeded vco range, _max2118_write_regs.osc_band == %d\n"
) % int(_max2118_write_regs.osc_band))
);
- UHD_ASSERT_THROW(_max2118_read_regs.adc == 0);
+ UHD_ASSERT_THROW(_max2118_read_regs.adc != 0); //just to cause a throw
}
if (_max2118_write_regs.osc_band <= 0) break;
_max2118_write_regs.osc_band -= 1;
@@ -358,12 +356,12 @@ void dbsrx::set_lo_freq(double target_freq){
//vtune is too high, try higher frequency vco
if (_max2118_read_regs.adc == 7){
if (_max2118_write_regs.osc_band == 7){
- uhd::print_warning(
+ uhd::warning::post(
str(boost::format(
"DBSRX: Tuning exceeded vco range, _max2118_write_regs.osc_band == %d\n"
) % int(_max2118_write_regs.osc_band))
);
- UHD_ASSERT_THROW(_max2118_read_regs.adc == 0);
+ UHD_ASSERT_THROW(_max2118_read_regs.adc != 7); //just to cause a throw
}
if (_max2118_write_regs.osc_band >= 7) break;
_max2118_write_regs.osc_band += 1;
@@ -401,6 +399,7 @@ void dbsrx::set_lo_freq(double target_freq){
<< boost::format(" Ref Freq=%fMHz\n") % (ref_clock/1e6)
<< boost::format(" Target Freq=%fMHz\n") % (target_freq/1e6)
<< boost::format(" Actual Freq=%fMHz\n") % (_lo_freq/1e6)
+ << boost::format(" VCO Freq=%fMHz\n") % (vco_freq/1e6)
<< std::endl;
if (update_filter_settings) set_bandwidth(_bandwidth);
@@ -480,9 +479,9 @@ void dbsrx::set_gain(float gain, const std::string &name){
/***********************************************************************
* Bandwidth Handling
**********************************************************************/
-void dbsrx::set_bandwidth(float bandwidth){
+void dbsrx::set_bandwidth(double bandwidth){
//clip the input
- bandwidth = std::clip<float>(bandwidth, 4e6, 33e6);
+ bandwidth = std::clip<double>(bandwidth, 4e6, 33e6);
double ref_clock = this->get_iface()->get_clock_rate(dboard_iface::UNIT_RX);
@@ -492,7 +491,7 @@ void dbsrx::set_bandwidth(float bandwidth){
_max2118_write_regs.f_dac = std::clip<int>(int((((bandwidth*_max2118_write_regs.m_divider)/ref_clock) - 4)/0.145),0,127);
//determine actual bandwidth
- _bandwidth = float((ref_clock/(_max2118_write_regs.m_divider))*(4+0.145*_max2118_write_regs.f_dac));
+ _bandwidth = double((ref_clock/(_max2118_write_regs.m_divider))*(4+0.145*_max2118_write_regs.f_dac));
if (dbsrx_debug) std::cerr << boost::format(
"DBSRX Filter Bandwidth: %f MHz, m: %d, f_dac: %d\n"
@@ -551,6 +550,10 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -559,14 +562,8 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked();
return;
-/*
- case SUBDEV_PROP_RSSI:
- val = this->get_rssi();
- return;
-*/
-
case SUBDEV_PROP_BANDWIDTH:
- val = _bandwidth;
+ val = 2*_bandwidth; //_bandwidth is low-pass, we want complex double-sided
return;
default: UHD_THROW_PROP_GET_ERROR();
@@ -587,8 +584,11 @@ void dbsrx::rx_set(const wax::obj &key_, const wax::obj &val){
this->set_gain(val.as<float>(), key.name);
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
case SUBDEV_PROP_BANDWIDTH:
- this->set_bandwidth(val.as<float>());
+ this->set_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
return;
default: UHD_THROW_PROP_SET_ERROR();
diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp
index c3ab96e59..12e458d8c 100644
--- a/host/lib/usrp/dboard/db_rfx.cpp
+++ b/host/lib/usrp/dboard/db_rfx.cpp
@@ -43,6 +43,7 @@
#include <uhd/utils/assert.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
#include <uhd/usrp/dboard_id.hpp>
#include <uhd/usrp/dboard_base.hpp>
#include <uhd/usrp/dboard_manager.hpp>
@@ -152,12 +153,12 @@ static dboard_base::sptr make_rfx_flex2400(dboard_base::ctor_args_t args){
}
UHD_STATIC_BLOCK(reg_rfx_dboards){
- dboard_manager::register_dboard(0x0024, 0x0028, &make_rfx_flex400, "Flex 400 MIMO B");
- dboard_manager::register_dboard(0x0025, 0x0029, &make_rfx_flex900, "Flex 900 MIMO B");
- dboard_manager::register_dboard(0x0034, 0x0035, &make_rfx_flex1800, "Flex 1800 MIMO B");
- dboard_manager::register_dboard(0x0026, 0x002a, &make_rfx_flex1200, "Flex 1200 MIMO B");
- dboard_manager::register_dboard(0x002c, 0x002d, &make_rfx_flex2200, "Flex 2200 MIMO B");
- dboard_manager::register_dboard(0x0027, 0x002b, &make_rfx_flex2400, "Flex 2400 MIMO B");
+ dboard_manager::register_dboard(0x0024, 0x0028, &make_rfx_flex400, "RFX400");
+ dboard_manager::register_dboard(0x0025, 0x0029, &make_rfx_flex900, "RFX900");
+ dboard_manager::register_dboard(0x0034, 0x0035, &make_rfx_flex1800, "RFX1800");
+ dboard_manager::register_dboard(0x0026, 0x002a, &make_rfx_flex1200, "RFX1200");
+ dboard_manager::register_dboard(0x002c, 0x002d, &make_rfx_flex2200, "RFX2200");
+ dboard_manager::register_dboard(0x0027, 0x002b, &make_rfx_flex2400, "RFX2400");
}
/***********************************************************************
@@ -444,6 +445,10 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_QI;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -452,6 +457,10 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked(dboard_iface::UNIT_RX);
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*20.0e6; //30MHz low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -474,6 +483,15 @@ void rfx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
this->set_rx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("RFX: No tunable bandwidth, fixed filtered to 40MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
@@ -524,6 +542,10 @@ void rfx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = true;
return;
@@ -532,6 +554,10 @@ void rfx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked(dboard_iface::UNIT_TX);
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*20.0e6; //30MHz low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -554,6 +580,15 @@ void rfx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
this->set_tx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("RFX: No tunable bandwidth, fixed filtered to 40MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp
new file mode 100644
index 000000000..1f3c76556
--- /dev/null
+++ b/host/lib/usrp/dboard/db_tvrx.cpp
@@ -0,0 +1,495 @@
+//
+// Copyright 2010 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+// No RX IO Pins Used
+
+// RX IO Functions
+
+//ADC/DAC functions:
+//DAC 1: RF AGC
+//DAC 2: IF AGC
+
+//min freq: 50e6
+//max freq: 860e6
+//gain range: [0:1dB:115dB]
+
+#include <uhd/utils/static.hpp>
+#include <uhd/utils/assert.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
+#include <uhd/types/ranges.hpp>
+#include <uhd/types/dict.hpp>
+#include <uhd/usrp/subdev_props.hpp>
+#include <uhd/usrp/dboard_base.hpp>
+#include <uhd/usrp/dboard_manager.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/format.hpp>
+#include <boost/thread.hpp>
+#include <boost/array.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <utility>
+#include <cmath>
+#include <cfloat>
+#include <limits>
+#include <tuner_4937di5_regs.hpp>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace boost::assign;
+
+/***********************************************************************
+ * The tvrx constants
+ **********************************************************************/
+static const bool tvrx_debug = false;
+
+static const freq_range_t tvrx_freq_range(50e6, 860e6);
+
+static const prop_names_t tvrx_antennas = list_of("RX");
+
+static const uhd::dict<std::string, freq_range_t> tvrx_freq_ranges = map_list_of
+ ("VHFLO", freq_range_t(50e6, 158e6))
+ ("VHFHI", freq_range_t(158e6, 454e6))
+ ("UHF" , freq_range_t(454e6, 860e6))
+;
+
+static const boost::array<double, 17> vhflo_gains_db =
+ {{-6.00000, -6.00000, -6.00000, -4.00000, 0.00000,
+ 5.00000, 10.00000, 17.40000, 26.30000, 36.00000,
+ 43.00000, 48.00000, 49.50000, 50.10000, 50.30000,
+ 50.30000, 50.30000}};
+
+static const boost::array<double, 17> vhfhi_gains_db =
+ {{-13.3000, -13.3000, -13.3000, -1.0000, 7.7000,
+ 11.0000, 14.7000, 19.3000, 26.1000, 36.0000,
+ 42.7000, 46.0000, 47.0000, 47.8000, 48.2000,
+ 48.2000, 48.2000}};
+
+static const boost::array<double, 17> uhf_gains_db =
+ {{-8.0000, -8.0000, -7.0000, 4.0000, 10.2000,
+ 14.5000, 17.5000, 20.0000, 24.5000, 30.8000,
+ 37.0000, 39.8000, 40.7000, 41.6000, 42.6000,
+ 43.2000, 43.8000}};
+
+static const boost::array<double, 17> tvrx_if_gains_db =
+ {{-1.50000, -1.50000, -1.50000, -1.00000, 0.20000,
+ 2.10000, 4.30000, 6.40000, 9.00000, 12.00000,
+ 14.80000, 18.20000, 26.10000, 32.50000, 32.50000,
+ 32.50000, 32.50000}};
+
+//gain linearization data
+//this is from the datasheet and is dB vs. volts (below)
+//i tried to curve fit this, but it's really just so nonlinear that you'd
+//need dang near as many coefficients as to just map it like this and interp.
+//these numbers are culled from the 4937DI5 datasheet and are probably totally inaccurate
+//but if it's better than the old linear fit i'm happy
+static const uhd::dict<std::string, boost::array<double, 17> > tvrx_rf_gains_db = map_list_of
+ ("VHFLO", vhflo_gains_db)
+ ("VHFHI", vhfhi_gains_db)
+ ("UHF" , uhf_gains_db)
+;
+
+//sample voltages for the above points
+static const boost::array<double, 17> tvrx_gains_volts =
+ {{0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0}};
+
+static uhd::dict<std::string, gain_range_t> get_tvrx_gain_ranges(void) {
+ double rfmax = 0.0, rfmin = FLT_MAX;
+ BOOST_FOREACH(const std::string range, tvrx_rf_gains_db.keys()) {
+ double my_max = tvrx_rf_gains_db[range].back(); //we're assuming it's monotonic
+ double my_min = tvrx_rf_gains_db[range].front(); //if it's not this is wrong wrong wrong
+ if(my_max > rfmax) rfmax = my_max;
+ if(my_min < rfmin) rfmin = my_min;
+ }
+
+ double ifmin = tvrx_if_gains_db.front();
+ double ifmax = tvrx_if_gains_db.back();
+
+ return map_list_of
+ ("RF", gain_range_t(float(rfmin), float(rfmax), float((rfmax-rfmin)/4096.0)))
+ ("IF", gain_range_t(float(ifmin), float(ifmax), float((ifmax-ifmin)/4096.0)))
+ ;
+}
+
+static const double opamp_gain = 1.22; //onboard DAC opamp gain
+static const double tvrx_if_freq = 43.75e6; //IF freq of TVRX module
+static const boost::uint16_t reference_divider = 640; //clock reference divider to use
+static const double reference_freq = 4.0e6;
+
+/***********************************************************************
+ * The tvrx dboard class
+ **********************************************************************/
+class tvrx : public rx_dboard_base{
+public:
+ tvrx(ctor_args_t args);
+ ~tvrx(void);
+
+ void rx_get(const wax::obj &key, wax::obj &val);
+ void rx_set(const wax::obj &key, const wax::obj &val);
+
+private:
+ uhd::dict<std::string, float> _gains;
+ double _lo_freq;
+ tuner_4937di5_regs_t _tuner_4937di5_regs;
+ boost::uint8_t _tuner_4937di5_addr(void){
+ return (this->get_iface()->get_special_props().mangle_i2c_addrs)? 0x61 : 0x60; //ok really? we could rename that call
+ };
+
+ void set_gain(float gain, const std::string &name);
+ void set_freq(double freq);
+
+ void update_regs(void){
+ byte_vector_t regs_vector(4);
+
+ //get the register data
+ for(int i=0; i<4; i++){
+ regs_vector[i] = _tuner_4937di5_regs.get_reg(i);
+ if(tvrx_debug) std::cerr << boost::format(
+ "tvrx: send reg 0x%02x, value 0x%04x"
+ ) % int(i) % int(regs_vector[i]) << std::endl;
+ }
+
+ //send the data
+ this->get_iface()->write_i2c(
+ _tuner_4937di5_addr(), regs_vector
+ );
+ }
+
+};
+
+/***********************************************************************
+ * Register the tvrx dboard
+ **********************************************************************/
+static dboard_base::sptr make_tvrx(dboard_base::ctor_args_t args){
+ return dboard_base::sptr(new tvrx(args));
+}
+
+UHD_STATIC_BLOCK(reg_tvrx_dboard){
+ //register the factory function for the rx dbid
+ dboard_manager::register_dboard(0x0040, &make_tvrx, "TVRX");
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+tvrx::tvrx(ctor_args_t args) : rx_dboard_base(args){
+ this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
+
+ //set the gpio directions and atr controls (identically)
+ this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, 0x0); // All unused in atr
+ if (this->get_iface()->get_special_props().soft_clock_divider){
+ this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x1); // GPIO0 is clock
+ }
+ else{
+ this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs
+ }
+
+ //send initial register settings if necessary
+
+ //set default freq
+ _lo_freq = tvrx_freq_range.min + tvrx_if_freq; //init _lo_freq to a sane default
+ set_freq(tvrx_freq_range.min);
+
+ //set default gains
+ BOOST_FOREACH(const std::string &name, get_tvrx_gain_ranges().keys()){
+ set_gain(get_tvrx_gain_ranges()[name].min, name);
+ }
+}
+
+tvrx::~tvrx(void){
+}
+
+/*! Return a string corresponding to the relevant band
+ * \param freq the frequency of interest
+ * \return a string corresponding to the band
+ */
+
+static std::string get_band(double freq) {
+ BOOST_FOREACH(const std::string &band, tvrx_freq_ranges.keys()) {
+ if(freq >= tvrx_freq_ranges[band].min && freq <= tvrx_freq_ranges[band].max){
+ if(tvrx_debug) std::cout << "Band: " << band << std::endl;
+ return band;
+ }
+ }
+ UHD_THROW_INVALID_CODE_PATH();
+}
+
+/***********************************************************************
+ * Gain Handling
+ **********************************************************************/
+/*!
+ * Execute a linear interpolation to find the voltage corresponding to a desired gain
+ * \param gain the desired gain in dB
+ * \param db_vector the vector of dB readings
+ * \param volts_vector the corresponding vector of voltages db_vector was sampled at
+ * \return a voltage to feed the TVRX analog gain
+ */
+
+static double gain_interp(double gain, boost::array<double, 17> db_vector, boost::array<double, 17> volts_vector) {
+ double volts;
+ gain = std::clip<double>(gain, db_vector.front(), db_vector.back()); //let's not get carried away here
+
+ boost::uint8_t gain_step = 0;
+ //find which bin we're in
+ for(size_t i = 0; i < db_vector.size()-1; i++) {
+ if(gain >= db_vector[i] && gain <= db_vector[i+1]) gain_step = i;
+ }
+
+ //find the current slope for linear interpolation
+ double slope = (volts_vector[gain_step + 1] - volts_vector[gain_step])
+ / (db_vector[gain_step + 1] - db_vector[gain_step]);
+
+ //the problem here is that for gains approaching the maximum, the voltage slope becomes infinite
+ //i.e., a small change in gain requires an infinite change in voltage
+ //to cope, we limit the slope
+
+ if(slope == std::numeric_limits<double>::infinity())
+ return volts_vector[gain_step];
+
+ //use the volts per dB slope to find the final interpolated voltage
+ volts = volts_vector[gain_step] + (slope * (gain - db_vector[gain_step]));
+
+ if(tvrx_debug)
+ std::cout << "Gain interp: gain: " << gain << ", gain_step: " << int(gain_step) << ", slope: " << slope << ", volts: " << volts << std::endl;
+
+ return volts;
+}
+
+/*!
+ * Convert a requested gain for the RF gain into a DAC voltage.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return dac voltage value
+ */
+
+static float rf_gain_to_voltage(float gain, double lo_freq){
+ //clip the input
+ gain = std::clip<float>(gain, get_tvrx_gain_ranges()["RF"].min, get_tvrx_gain_ranges()["RF"].max);
+
+ //first we need to find out what band we're in, because gains are different across different bands
+ std::string band = get_band(lo_freq + tvrx_if_freq);
+
+ //this is the voltage at the TVRX gain input
+ double gain_volts = gain_interp(gain, tvrx_rf_gains_db[band], tvrx_gains_volts);
+ //this is the voltage at the USRP DAC output
+ double dac_volts = gain_volts / opamp_gain;
+
+ dac_volts = std::clip<double>(dac_volts, 0.0, 3.3);
+
+ if (tvrx_debug) std::cerr << boost::format(
+ "tvrx RF AGC gain: %f dB, dac_volts: %f V"
+ ) % gain % dac_volts << std::endl;
+
+ return float(dac_volts);
+}
+
+/*!
+ * Convert a requested gain for the IF gain into a DAC voltage.
+ * The gain passed into the function will be set to the actual value.
+ * \param gain the requested gain in dB
+ * \return dac voltage value
+ */
+
+static float if_gain_to_voltage(float gain){
+ //clip the input
+ gain = std::clip<float>(gain, get_tvrx_gain_ranges()["IF"].min, get_tvrx_gain_ranges()["IF"].max);
+
+ double gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts);
+ double dac_volts = gain_volts / opamp_gain;
+
+ dac_volts = std::clip<double>(dac_volts, 0.0, 3.3);
+
+ if (tvrx_debug) std::cerr << boost::format(
+ "tvrx IF AGC gain: %f dB, dac_volts: %f V"
+ ) % gain % dac_volts << std::endl;
+
+ return float(dac_volts);
+}
+
+void tvrx::set_gain(float gain, const std::string &name){
+ assert_has(get_tvrx_gain_ranges().keys(), name, "tvrx gain name");
+ if (name == "RF"){
+ this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_B, rf_gain_to_voltage(gain, _lo_freq));
+ }
+ else if(name == "IF"){
+ this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, if_gain_to_voltage(gain));
+ }
+ else UHD_THROW_INVALID_CODE_PATH();
+ _gains[name] = gain;
+}
+
+/*!
+ * Set the tuner to center the desired frequency at 43.75MHz
+ * \param freq the requested frequency
+ */
+
+void tvrx::set_freq(double freq) {
+ freq = std::clip<double>(freq, tvrx_freq_range.min, tvrx_freq_range.max);
+ std::string prev_band = get_band(_lo_freq - tvrx_if_freq);
+ std::string new_band = get_band(freq);
+
+ double target_lo_freq = freq + tvrx_if_freq; //the desired LO freq for high-side mixing
+ double f_ref = reference_freq / double(reference_divider); //your tuning step size
+
+ int divisor = int((target_lo_freq + (f_ref * 4.0)) / (f_ref * 8)); //the divisor we'll use
+ double actual_lo_freq = (f_ref * 8 * divisor); //the LO freq we'll actually get
+
+ if((divisor & ~0x7fff)) UHD_THROW_INVALID_CODE_PATH();
+
+ //now we update the registers
+ _tuner_4937di5_regs.db1 = (divisor >> 8) & 0xff;
+ _tuner_4937di5_regs.db2 = divisor & 0xff;
+
+ if(new_band == "VHFLO") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFLO;
+ else if(new_band == "VHFHI") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFHI;
+ else if(new_band == "UHF") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_UHF;
+ else UHD_THROW_INVALID_CODE_PATH();
+
+ _tuner_4937di5_regs.power = tuner_4937di5_regs_t::POWER_OFF;
+ update_regs();
+
+ //ok don't forget to reset RF gain here if the new band != the old band
+ //we do this because the gains are different for different band settings
+ //not FAR off, but we do this to be consistent
+ if(prev_band != new_band) set_gain(_gains["RF"], "RF");
+
+ if(tvrx_debug)
+ std::cout << boost::format("set_freq: target LO: %f f_ref: %f divisor: %i actual LO: %f") % target_lo_freq % f_ref % divisor % actual_lo_freq << std::endl;
+
+ _lo_freq = actual_lo_freq; //for rx props
+}
+
+/***********************************************************************
+ * Get the alias frequency of frequency freq when sampled at fs.
+ * \param freq the frequency of interest
+ * \param fs the sample rate
+ * \return the alias frequency
+ **********************************************************************/
+
+static double get_alias(double freq, double fs) {
+ double alias;
+ freq = fmod(freq, fs);
+ if(freq >= (fs/2)) {
+ alias = fs - freq;
+ } else {
+ alias = freq;
+ }
+ return alias;
+}
+
+/***********************************************************************
+ * RX Get and Set
+ **********************************************************************/
+void tvrx::rx_get(const wax::obj &key_, wax::obj &val){
+ named_prop_t key = named_prop_t::extract(key_);
+ double codec_rate;
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+ case SUBDEV_PROP_NAME:
+ val = get_rx_id().to_pp_string();
+ return;
+
+ case SUBDEV_PROP_OTHERS:
+ val = prop_names_t(); //empty
+ return;
+
+ case SUBDEV_PROP_GAIN:
+ assert_has(_gains.keys(), key.name, "tvrx gain name");
+ val = _gains[key.name];
+ return;
+
+ case SUBDEV_PROP_GAIN_RANGE:
+ assert_has(get_tvrx_gain_ranges().keys(), key.name, "tvrx gain name");
+ val = get_tvrx_gain_ranges()[key.name];
+ return;
+
+ case SUBDEV_PROP_GAIN_NAMES:
+ val = prop_names_t(get_tvrx_gain_ranges().keys());
+ return;
+
+ case SUBDEV_PROP_FREQ:
+ /*
+ * so here we have to do some magic. because the TVRX uses a relatively high IF,
+ * we have to watch the sample rate to see if the IF will be aliased
+ * or if it will fall within Nyquist.
+ */
+ codec_rate = this->get_iface()->get_codec_rate(dboard_iface::UNIT_RX);
+ val = (_lo_freq - tvrx_if_freq) + get_alias(tvrx_if_freq, codec_rate);
+ return;
+
+ case SUBDEV_PROP_FREQ_RANGE:
+ val = tvrx_freq_range;
+ return;
+
+ case SUBDEV_PROP_ANTENNA:
+ val = tvrx_antennas.front(); //there's only one
+ return;
+
+ case SUBDEV_PROP_ANTENNA_NAMES:
+ val = tvrx_antennas;
+ return;
+
+ case SUBDEV_PROP_CONNECTION:
+ val = SUBDEV_CONN_COMPLEX_IQ;
+ return;
+
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
+ case SUBDEV_PROP_USE_LO_OFFSET:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_LO_LOCKED:
+ val = true;
+ return;
+
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 6.0e6; //30MHz low-pass, we want complex double-sided
+ return;
+
+ default: UHD_THROW_PROP_GET_ERROR();
+ }
+}
+
+void tvrx::rx_set(const wax::obj &key_, const wax::obj &val){
+ named_prop_t key = named_prop_t::extract(key_);
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+ case SUBDEV_PROP_GAIN:
+ this->set_gain(val.as<float>(), key.name);
+ return;
+
+ case SUBDEV_PROP_FREQ:
+ this->set_freq(val.as<double>());
+ return;
+
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("TVRX: No tunable bandwidth, fixed filtered to 6MHz"))
+ );
+ return;
+
+ default: UHD_THROW_PROP_SET_ERROR();
+ }
+}
+
diff --git a/host/lib/usrp/dboard/db_unknown.cpp b/host/lib/usrp/dboard/db_unknown.cpp
index f6f4f4a61..a342471c4 100644
--- a/host/lib/usrp/dboard/db_unknown.cpp
+++ b/host/lib/usrp/dboard/db_unknown.cpp
@@ -19,6 +19,7 @@
#include <uhd/types/ranges.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/static.hpp>
+#include <uhd/utils/warning.hpp>
#include <uhd/usrp/dboard_base.hpp>
#include <uhd/usrp/dboard_manager.hpp>
#include <boost/assign/list_of.hpp>
@@ -122,6 +123,10 @@ void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -130,6 +135,10 @@ void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){
val = true; //there is no LO, so it must be true!
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 0.0;
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -151,12 +160,21 @@ void unknown_rx::rx_set(const wax::obj &key_, const wax::obj &val){
case SUBDEV_PROP_FREQ:
return; // it wont do you much good, but you can set it
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("Unknown Daughterboard: No tunable bandwidth, fixed filtered to 0.0MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
/***********************************************************************
- * Basic and LF TX dboard
+ * Unknown TX dboard
**********************************************************************/
unknown_tx::unknown_tx(ctor_args_t args) : tx_dboard_base(args){
/* NOP */
@@ -211,6 +229,10 @@ void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -219,6 +241,10 @@ void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){
val = true; //there is no LO, so it must be true!
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 0.0;
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -240,6 +266,15 @@ void unknown_tx::tx_set(const wax::obj &key_, const wax::obj &val){
case SUBDEV_PROP_FREQ:
return; // it wont do you much good, but you can set it
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("Unknown Daughterboard: No tunable bandwidth, fixed filtered to 0.0MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp
index ccd897674..647f1b975 100644
--- a/host/lib/usrp/dboard/db_wbx.cpp
+++ b/host/lib/usrp/dboard/db_wbx.cpp
@@ -71,6 +71,7 @@
#include <uhd/utils/assert.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
#include <uhd/usrp/dboard_base.hpp>
#include <uhd/usrp/dboard_manager.hpp>
#include <boost/assign/list_of.hpp>
@@ -154,7 +155,7 @@ static dboard_base::sptr make_wbx(dboard_base::ctor_args_t args){
}
UHD_STATIC_BLOCK(reg_wbx_dboards){
- dboard_manager::register_dboard(0x0052, 0x0053, &make_wbx, "WBX");
+ dboard_manager::register_dboard(0x0053, 0x0052, &make_wbx, "WBX");
}
/***********************************************************************
@@ -513,6 +514,10 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -521,6 +526,10 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked(dboard_iface::UNIT_RX);
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*30.0e6; //20MHz low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -543,6 +552,15 @@ void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
this->set_rx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
@@ -597,6 +615,10 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -605,6 +627,10 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked(dboard_iface::UNIT_TX);
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*30.0e6; //20MHz low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -627,6 +653,15 @@ void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
this->set_tx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
+ case SUBDEV_PROP_BANDWIDTH:
+ uhd::warning::post(
+ str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz"))
+ );
+ return;
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index 798ff74a3..be0e42b92 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -51,6 +51,7 @@
#include <uhd/utils/static.hpp>
#include <uhd/utils/assert.hpp>
#include <uhd/utils/algorithm.hpp>
+#include <uhd/utils/warning.hpp>
#include <uhd/types/ranges.hpp>
#include <uhd/types/dict.hpp>
#include <uhd/usrp/subdev_props.hpp>
@@ -72,6 +73,7 @@ using namespace boost::assign;
static const bool xcvr2450_debug = false;
static const freq_range_t xcvr_freq_range(2.4e9, 6.0e9);
+static const freq_range_t xcvr_freq_band_seperation(2.5e9, 4.9e9);
static const prop_names_t xcvr_antennas = list_of("J1")("J2");
@@ -100,6 +102,7 @@ public:
private:
double _lo_freq;
+ double _rx_bandwidth, _tx_bandwidth;
uhd::dict<std::string, float> _tx_gains, _rx_gains;
std::string _tx_ant, _rx_ant;
int _ad9515div;
@@ -110,6 +113,8 @@ private:
void set_rx_ant(const std::string &ant);
void set_tx_gain(float gain, const std::string &name);
void set_rx_gain(float gain, const std::string &name);
+ void set_rx_bandwidth(double bandwidth);
+ void set_tx_bandwidth(double bandwidth);
void update_atr(void);
void spi_reset(void);
@@ -176,6 +181,9 @@ xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){
spi_reset(); //prepare the spi
+ _rx_bandwidth = 9.5e6;
+ _tx_bandwidth = 12.0e6;
+
//setup the misc max2829 registers
_max2829_regs.mimo_select = max2829_regs_t::MIMO_SELECT_MIMO;
_max2829_regs.band_sel_mimo = max2829_regs_t::BAND_SEL_MIMO_MIMO;
@@ -183,7 +191,7 @@ xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){
_max2829_regs.rssi_high_bw = max2829_regs_t::RSSI_HIGH_BW_6MHZ;
_max2829_regs.tx_lpf_coarse_adj = max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
_max2829_regs.rx_lpf_coarse_adj = max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
- _max2829_regs.rx_lpf_fine_adj = max2829_regs_t::RX_LPF_FINE_ADJ_95;
+ _max2829_regs.rx_lpf_fine_adj = max2829_regs_t::RX_LPF_FINE_ADJ_100;
_max2829_regs.rx_vga_gain_spi = max2829_regs_t::RX_VGA_GAIN_SPI_SPI;
_max2829_regs.rssi_output_range = max2829_regs_t::RSSI_OUTPUT_RANGE_HIGH;
_max2829_regs.rssi_op_mode = max2829_regs_t::RSSI_OP_MODE_ENABLED;
@@ -244,15 +252,24 @@ void xcvr2450::update_atr(void){
this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, POWER_UP_RXIO | RX_DIS_RXIO);
this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, POWER_UP_RXIO | RX_ENB_RXIO);
this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, POWER_UP_RXIO | RX_DIS_RXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, POWER_UP_RXIO | RX_ENB_RXIO);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, POWER_UP_RXIO | RX_DIS_RXIO);
}
/***********************************************************************
* Tuning
**********************************************************************/
void xcvr2450::set_lo_freq(double target_freq){
+ //clip for highband and lowband
+ if((target_freq > xcvr_freq_band_seperation.min) and (target_freq < xcvr_freq_band_seperation.max)){
+ if(target_freq - xcvr_freq_band_seperation.min < xcvr_freq_band_seperation.max - target_freq){
+ target_freq = xcvr_freq_band_seperation.min;
+ }else{
+ target_freq = xcvr_freq_band_seperation.max;
+ }
+ }
+
+ //clip for max and min
target_freq = std::clip(target_freq, xcvr_freq_range.min, xcvr_freq_range.max);
- //TODO: clip for highband and lowband
//variables used in the calculation below
double scaler = xcvr2450::is_highband(target_freq)? (4.0/5.0) : (4.0/3.0);
@@ -434,6 +451,114 @@ void xcvr2450::set_rx_gain(float gain, const std::string &name){
_rx_gains[name] = gain;
}
+
+/***********************************************************************
+ * Bandwidth Handling
+ **********************************************************************/
+static max2829_regs_t::tx_lpf_coarse_adj_t bandwidth_to_tx_lpf_coarse_reg(double &bandwidth){
+ int reg = std::clip(boost::math::iround((bandwidth-6.0e6)/6.0e6), 1, 3);
+
+ switch(reg){
+ case 1: // bandwidth < 15MHz
+ bandwidth = 12e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
+ case 2: // 15MHz < bandwidth < 21MHz
+ bandwidth = 18e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_18MHZ;
+ case 3: // bandwidth > 21MHz
+ bandwidth = 24e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_24MHZ;
+ }
+ UHD_THROW_INVALID_CODE_PATH();
+}
+
+static max2829_regs_t::rx_lpf_fine_adj_t bandwidth_to_rx_lpf_fine_reg(double &bandwidth, double requested_bandwidth){
+ int reg = std::clip(boost::math::iround((requested_bandwidth/bandwidth)/0.05), 18, 22);
+
+ switch(reg){
+ case 18: // requested_bandwidth < 92.5%
+ bandwidth = 0.9 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_90;
+ case 19: // 92.5% < requested_bandwidth < 97.5%
+ bandwidth = 0.95 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_95;
+ case 20: // 97.5% < requested_bandwidth < 102.5%
+ bandwidth = 1.0 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_100;
+ case 21: // 102.5% < requested_bandwidth < 107.5%
+ bandwidth = 1.05 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_105;
+ case 22: // 107.5% < requested_bandwidth
+ bandwidth = 1.1 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_110;
+ }
+ UHD_THROW_INVALID_CODE_PATH();
+}
+
+static max2829_regs_t::rx_lpf_coarse_adj_t bandwidth_to_rx_lpf_coarse_reg(double &bandwidth){
+ int reg = std::clip(boost::math::iround((bandwidth-7.0e6)/1.0e6), 0, 11);
+
+ switch(reg){
+ case 0: // bandwidth < 7.5MHz
+ case 1: // 7.5MHz < bandwidth < 8.5MHz
+ bandwidth = 7.5e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_7_5MHZ;
+ case 2: // 8.5MHz < bandwidth < 9.5MHz
+ case 3: // 9.5MHz < bandwidth < 10.5MHz
+ case 4: // 10.5MHz < bandwidth < 11.5MHz
+ bandwidth = 9.5e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
+ case 5: // 11.5MHz < bandwidth < 12.5MHz
+ case 6: // 12.5MHz < bandwidth < 13.5MHz
+ case 7: // 13.5MHz < bandwidth < 14.5MHz
+ case 8: // 14.5MHz < bandwidth < 15.5MHz
+ bandwidth = 14e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_14MHZ;
+ case 9: // 15.5MHz < bandwidth < 16.5MHz
+ case 10: // 16.5MHz < bandwidth < 17.5MHz
+ case 11: // 17.5MHz < bandwidth
+ bandwidth = 18e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_18MHZ;
+ }
+ UHD_THROW_INVALID_CODE_PATH();
+}
+
+void xcvr2450::set_rx_bandwidth(double bandwidth){
+ double requested_bandwidth = bandwidth;
+
+ //compute coarse low pass cutoff frequency setting
+ _max2829_regs.rx_lpf_coarse_adj = bandwidth_to_rx_lpf_coarse_reg(bandwidth);
+
+ //compute fine low pass cutoff frequency setting
+ _max2829_regs.rx_lpf_fine_adj = bandwidth_to_rx_lpf_fine_reg(bandwidth, requested_bandwidth);
+
+ //shadow bandwidth setting
+ _rx_bandwidth = bandwidth;
+
+ //update register
+ send_reg(0x7);
+
+ if (xcvr2450_debug) std::cerr << boost::format(
+ "XCVR2450 RX Bandwidth (lp_fc): %f Hz, coarse reg: %d, fine reg: %d"
+ ) % _rx_bandwidth % (int(_max2829_regs.rx_lpf_coarse_adj)) % (int(_max2829_regs.rx_lpf_fine_adj)) << std::endl;
+}
+
+void xcvr2450::set_tx_bandwidth(double bandwidth){
+ //compute coarse low pass cutoff frequency setting
+ _max2829_regs.tx_lpf_coarse_adj = bandwidth_to_tx_lpf_coarse_reg(bandwidth);
+
+ //shadow bandwidth setting
+ _tx_bandwidth = bandwidth;
+
+ //update register
+ send_reg(0x7);
+
+ if (xcvr2450_debug) std::cerr << boost::format(
+ "XCVR2450 TX Bandwidth (lp_fc): %f Hz, coarse reg: %d"
+ ) % _tx_bandwidth % (int(_max2829_regs.tx_lpf_coarse_adj)) << std::endl;
+}
+
+
/***********************************************************************
* RX Get and Set
**********************************************************************/
@@ -484,6 +609,10 @@ void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_IQ;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -496,6 +625,10 @@ void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){
val = this->get_rssi();
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*_rx_bandwidth; //_tx_bandwidth is low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -518,6 +651,13 @@ void xcvr2450::rx_set(const wax::obj &key_, const wax::obj &val){
this->set_rx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ this->set_rx_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
+ return;
+
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
@@ -572,6 +712,10 @@ void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){
val = SUBDEV_CONN_COMPLEX_QI;
return;
+ case SUBDEV_PROP_ENABLED:
+ val = true; //always enabled
+ return;
+
case SUBDEV_PROP_USE_LO_OFFSET:
val = false;
return;
@@ -580,6 +724,10 @@ void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){
val = this->get_locked();
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ val = 2*_tx_bandwidth; //_tx_bandwidth is low-pass, we want complex double-sided
+ return;
+
default: UHD_THROW_PROP_GET_ERROR();
}
}
@@ -598,10 +746,17 @@ void xcvr2450::tx_set(const wax::obj &key_, const wax::obj &val){
this->set_tx_gain(val.as<float>(), key.name);
return;
+ case SUBDEV_PROP_BANDWIDTH:
+ this->set_tx_bandwidth(val.as<double>()/2.0); //complex double-sided, we want low-pass
+ return;
+
case SUBDEV_PROP_ANTENNA:
this->set_tx_ant(val.as<std::string>());
return;
+ case SUBDEV_PROP_ENABLED:
+ return; //always enabled
+
default: UHD_THROW_PROP_SET_ERROR();
}
}
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