eiscat: Added skeleton for dboard driver support

11 files changed, 688 insertions, 5 deletions

diff --git a/host/include/uhd/rfnoc/blocks/ddc_eiscat.xml b/host/include/uhd/rfnoc/blocks/ddc_eiscat.xml
new file mode 100644
index 000000000..93cf8371f
--- /dev/null
+++ b/host/include/uhd/rfnoc/blocks/ddc_eiscat.xml
@@ -0,0 +1,178 @@
+<!--This defines one NoC-Block.-->
+<nocblock>
+  <name>EISCAT Rx DSP (DDC/CORDIC)</name>
+  <blockname>DDC</blockname>
+  <key>DDC</key>
+  <!--There can be several of these:-->
+  <ids>
+    <id revision="0">DDC5E15CA7000000</id>
+  </ids>
+  <!-- Registers -->
+  <registers>
+    <!-- AXI rate change block registers -->
+    <setreg>
+      <name>N</name>
+      <address>128</address>
+    </setreg>
+    <setreg>
+      <name>M</name>
+      <address>129</address>
+    </setreg>
+    <setreg>
+      <!-- 1 bit, enable clear user -->
+      <name>CONFIG</name>
+      <address>130</address>
+    </setreg>
+    <!-- DDC block registers -->
+    <setreg>
+      <!-- CORDIC phase increment word -->
+      <name>CORDIC_FREQ</name>
+      <address>132</address>
+    </setreg>
+    <setreg>
+      <!-- Scaling factor to compensate for gain through filters and CORDIC -->
+      <name>SCALE_IQ</name>
+      <address>133</address>
+    </setreg>
+    <setreg>
+      <!-- DDC control word, 10 bits total, 2 bits for Halfbands, 8 bits for CIC rate -->
+      <name>DECIM_WORD</name>
+      <address>134</address>
+    </setreg>
+    <setreg>
+      <!-- Real mode, swap IQ -->
+      <name>MODE</name>
+      <address>135</address>
+    </setreg>
+    <setreg>
+      <!-- Filter coefficients reload -->
+      <name>RELOAD</name>
+      <address>136</address>
+    </setreg>
+  </registers>
+  <!-- Args -->
+  <args>
+    <arg>
+      <name>freq</name>
+      <type>double</type>
+      <value>0.0</value>
+      <port>0</port>
+      <!--<action>-->
+          <!--SR_WRITE("CORDIC_FREQ", $cordic_freq)-->
+      <!--</action>-->
+      <!--FIXME Calculate this properly-->
+    </arg>
+    <arg>
+      <name>input_rate</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>0</port>
+      <check>GE($input_rate, 0.0)</check>
+      <check_message>The input rate must be a positive value (in Hz).</check_message>
+    </arg>
+    <arg>
+      <name>output_rate</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>0</port>
+      <check>GE($output_rate, 0.0)</check>
+      <check_message>The output rate must be a positive value (in Hz).</check_message>
+    </arg>
+    <arg>
+      <name>fullscale</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>0</port>
+      <check>GE($fullscale, 0.0)</check>
+    </arg>
+    <arg>
+      <name>scalar_correction</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>0</port>
+    </arg>
+    <arg>
+      <name>freq</name>
+      <type>double</type>
+      <value>0.0</value>
+      <port>1</port>
+      <!--<action>-->
+          <!--SR_WRITE("CORDIC_FREQ", $cordic_freq)-->
+      <!--</action>-->
+      <!--FIXME Calculate this properly-->
+    </arg>
+    <arg>
+      <name>input_rate</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>1</port>
+      <check>GE($input_rate, 0.0)</check>
+      <check_message>The input rate must be a positive value (in Hz).</check_message>
+    </arg>
+    <arg>
+      <name>output_rate</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>1</port>
+      <check>GE($output_rate, 0.0)</check>
+      <check_message>The output rate must be a positive value (in Hz).</check_message>
+    </arg>
+    <arg>
+      <name>fullscale</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>1</port>
+      <check>GE($fullscale, 0.0)</check>
+    </arg>
+    <arg>
+      <name>scalar_correction</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>1</port>
+    </arg>
+  </args>
+  <!--All the connections to the outside world are listed in 'ports':-->
+  <ports>
+    <sink>
+      <name>in0</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in1</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in2</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in3</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in4</name>
+      <type>s16</type>
+    </sink>
+    <source>
+      <name>out0</name>
+      <type>sc16</type>
+    </source>
+    <source>
+      <name>out1</name>
+      <type>sc16</type>
+    </source>
+    <source>
+      <name>out2</name>
+      <type>sc16</type>
+    </source>
+    <source>
+      <name>out3</name>
+      <type>sc16</type>
+    </source>
+    <source>
+      <name>out4</name>
+      <type>sc16</type>
+    </source>
+  </ports>
+</nocblock>
+
diff --git a/host/include/uhd/rfnoc/blocks/radio_eiscat.xml b/host/include/uhd/rfnoc/blocks/radio_eiscat.xml
new file mode 100644
index 000000000..03b440943
--- /dev/null
+++ b/host/include/uhd/rfnoc/blocks/radio_eiscat.xml
@@ -0,0 +1,229 @@
+<nocblock>
+  <name>Radio (EISCAT)</name>
+  <blockname>Radio</blockname>
+  <key>EISCATRadio</key>
+  <!--There can be several of these:-->
+  <ids>
+    <id revision="0">E15CA70000000000</id>
+  </ids>
+  <!-- Registers -->
+  <registers>
+    <setreg>
+      <!--1-Bit register. Are we sending the upper or lower 5 beam contirbutions? -->
+      <name>SR_BEAMS_TO_NEIGHBOR</name>
+      <address>135</address>
+    </setreg>
+    <setreg>
+      <!--1-Bit register. Are we expecting previous contributions? 1==yes we are -->
+      <name>SR_PREV_OR_NULL</name>
+      <address>136</address>
+    </setreg>
+    <setreg>
+      <!--1-Bit register. Are we expecting previous contributions? 1==yes we are -->
+      <name>SR_FIR_COMMANDS_RELOAD</name>
+      <address>131</address>
+    </setreg>
+    <setreg>
+      <name>SR_FIR_COMMANDS_CTRL_TIME_HI</name>
+      <address>132</address>
+    </setreg>
+    <setreg>
+      <name>SR_FIR_COMMANDS_CTRL_TIME_LO</name>
+      <address>133</address>
+    </setreg>
+    <setreg>
+      <!-- Use this to actually update taps in RAM -->
+      <name>SR_FIR_BRAM_WRITE_TAPS</name>
+      <address>134</address>
+    </setreg>
+    <!--<setreg>-->
+      <!--<name>SR_CHANNEL_GAIN_0</name>-->
+      <!--<address>190</address>-->
+    <!--</setreg>-->
+    <readback>
+      <name>RB_NUM_TAPS</name>
+      <address>0</address>
+    </readback>
+    <readback>
+      <name>RB_NUM_CHANNELS</name>
+      <address>1</address>
+    </readback>
+    <readback>
+      <name>RB_NUM_BEAMS</name>
+      <address>2</address>
+    </readback>
+    <readback>
+      <name>RB_NUM_FILTERS</name>
+      <address>3</address>
+    </readback>
+    <readback>
+      <name>RB_VITA_TIME</name>
+      <address>4</address>
+    </readback>
+  </registers>
+  <!-- Args -->
+  <args>
+  <!--Gets applied to all channels-->
+    <arg>
+      <name>spp</name>
+      <type>int</type>
+      <value>1996</value>
+    </arg>
+    <arg>
+      <name>taps</name>
+      <type>int</type>
+    </arg>
+    <arg>
+      <name>use_prev</name>
+      <type>int</type>
+      <value>0</value>
+      <check>EQUAL($use_prev, 0) OR EQUAL($use_prev, 1)</check>
+      <check_message>use_prev must be 0 or 1.</check_message>
+      <action>SR_WRITE("SR_PREV_OR_NULL", $use_prev) AND SR_WRITE("SR_PREV_OR_NULL", $use_prev)</action>
+    </arg>
+    <arg>
+      <name>neighbors</name>
+      <type>int</type>
+      <value>0</value>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>0</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>1</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>2</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>3</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>4</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>5</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>6</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>7</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>8</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>9</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>10</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>11</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>12</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>13</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>14</port>
+    </arg>
+    <arg>
+      <name>gain</name>
+      <type>double</type>
+      <value>1.0</value>
+      <port>15</port>
+    </arg>
+  </args>
+  <ports>
+    <source>
+      <name>out0</name>
+      <type>s16</type>
+    </source>
+    <source>
+      <name>out1</name>
+      <type>s16</type>
+    </source>
+    <source>
+      <name>out2</name>
+      <type>s16</type>
+    </source>
+    <source>
+      <name>out3</name>
+      <type>s16</type>
+    </source>
+    <source>
+      <name>out4</name>
+      <type>s16</type>
+    </source>
+    <sink>
+      <name>in0</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in1</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in2</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in3</name>
+      <type>s16</type>
+    </sink>
+    <sink>
+      <name>in4</name>
+      <type>s16</type>
+    </sink>
+  </ports>
+</nocblock>
+
diff --git a/host/lib/usrp/CMakeLists.txt b/host/lib/usrp/CMakeLists.txt
index 6d69093e9..0f8172d41 100644
--- a/host/lib/usrp/CMakeLists.txt
+++ b/host/lib/usrp/CMakeLists.txt
@@ -49,4 +49,3 @@ INCLUDE_SUBDIRECTORY(e300)
 INCLUDE_SUBDIRECTORY(x300)
 INCLUDE_SUBDIRECTORY(b200)
 INCLUDE_SUBDIRECTORY(n230)
-INCLUDE_SUBDIRECTORY(magnesium)
diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt
index 92d2b2a24..1372406b8 100644
--- a/host/lib/usrp/dboard/CMakeLists.txt
+++ b/host/lib/usrp/dboard/CMakeLists.txt
@@ -45,3 +45,5 @@ IF(ENABLE_X300)
     )
 ENDIF(ENABLE_X300)
 
+INCLUDE_SUBDIRECTORY(magnesium)
+INCLUDE_SUBDIRECTORY(eiscat)
diff --git a/host/lib/usrp/dboard/eiscat/CMakeLists.txt b/host/lib/usrp/dboard/eiscat/CMakeLists.txt
new file mode 100644
index 000000000..bd55dcc14
--- /dev/null
+++ b/host/lib/usrp/dboard/eiscat/CMakeLists.txt
@@ -0,0 +1,24 @@
+#
+# Copyright 2017 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/>.
+#
+
+IF(ENABLE_NETD AND ENABLE_EISCAT)
+    LIST(APPEND EISCAT_SOURCES
+        ${CMAKE_CURRENT_SOURCE_DIR}/eiscat_radio_ctrl_impl.cpp
+    )
+    LIBUHD_APPEND_SOURCES(${EISCAT_SOURCES})
+ENDIF(ENABLE_NETD AND ENABLE_EISCAT)
+
diff --git a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp
new file mode 100644
index 000000000..e65f2f6df
--- /dev/null
+++ b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.cpp
@@ -0,0 +1,178 @@
+//
+// Copyright 2017 Ettus Research (National Instruments Corp.)
+//
+// 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/>.
+//
+
+#include "eiscat_radio_ctrl_impl.hpp"
+
+#include <uhd/utils/log.hpp>
+#include <uhd/rfnoc/node_ctrl_base.hpp>
+#include <uhd/transport/chdr.hpp>
+#include <uhd/utils/math.hpp>
+#include <boost/algorithm/string.hpp>
+#include <boost/make_shared.hpp>
+#include <boost/date_time/posix_time/posix_time_io.hpp>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace uhd::rfnoc;
+
+static const size_t IO_MASTER_RADIO = 0;
+static const double EISCAT_TICK_RATE = 208e6; // Hz
+static const double EISCAT_RADIO_RATE = 104e6; // Hz
+static const double EISCAT_CENTER_FREQ = 104e6; // Hz
+static const double EISCAT_DEFAULT_GAIN = 0.0; // Hz
+static const double EISCAT_DEFAULT_BANDWIDTH = 52e6; // Hz
+static const std::string EISCAT_ANTENNA_NAME = "Rx";
+static const size_t EISCAT_NUM_CHANS = 5;
+
+UHD_RFNOC_RADIO_BLOCK_CONSTRUCTOR(eiscat_radio_ctrl)
+{
+    UHD_LOG_TRACE("EISCAT", "eiscat_radio_ctrl_impl::ctor() ");
+    _radio_type = (get_block_id().get_block_count() == IO_MASTER_RADIO) ? PRIMARY : SECONDARY;
+    _radio_slot = (get_block_id().get_block_count() == IO_MASTER_RADIO) ? "A" : "B";
+    UHD_LOG_TRACE("EISCAT", "Radio slot: " << _radio_slot);
+    const size_t num_chans = get_output_ports().size();
+    UHD_ASSERT_THROW(num_chans == EISCAT_NUM_CHANS);
+    UHD_LOG_TRACE("EISCAT", "Number of channels: " << num_chans);
+
+    UHD_LOG_TRACE("EISCAT", "Setting tick rate to " << EISCAT_TICK_RATE/1e6 << " MHz");
+    radio_ctrl_impl::set_rate(EISCAT_TICK_RATE);
+
+    // For legacy prop tree init:
+    fs_path fe_path = fs_path("dboards" / _radio_slot / "rx_frontends");
+
+    // Init parent class
+    for (size_t chan = 0; chan < num_chans; chan++) {
+        radio_ctrl_impl::set_rx_frequency(EISCAT_CENTER_FREQ, chan);
+        radio_ctrl_impl::set_rx_gain(EISCAT_DEFAULT_GAIN, chan);
+        radio_ctrl_impl::set_rx_antenna(EISCAT_ANTENNA_NAME, chan);
+        radio_ctrl_impl::set_rx_bandwidth(EISCAT_DEFAULT_BANDWIDTH, chan);
+
+        // Legacy prop tree paths (for use with multi_usrp API)
+        _tree->access<std::string>(fe_path / chan / "antenna" / "value")
+            .add_coerced_subscriber(boost::bind(&eiscat_radio_ctrl_impl::set_rx_antenna, this, _1, chan))
+            .set_publisher(boost::bind(&radio_ctrl_impl::get_rx_antenna, this, chan))
+        ;
+        _tree->access<double>(fe_path / chan / "freq" / "value")
+            .set_coercer(boost::bind(&eiscat_radio_ctrl_impl::set_rx_frequency, this, _1, chan))
+            .set_publisher(boost::bind(&radio_ctrl_impl::get_rx_frequency, this, chan))
+        ;
+        _tree->access<double>(fe_path / chan / "gain" / "value")
+            .set_coercer(boost::bind(&eiscat_radio_ctrl_impl::set_rx_gain, this, _1, chan))
+            .set_publisher(boost::bind(&radio_ctrl_impl::get_rx_gain, this, chan))
+        ;
+        _tree->access<double>(fe_path / chan / "bandwidth" / "value")
+            .set_coercer(boost::bind(&eiscat_radio_ctrl_impl::set_rx_bandwidth, this, _1, chan))
+            .set_publisher(boost::bind(&radio_ctrl_impl::get_rx_bandwidth, this, chan))
+        ;
+        // TODO: Add ranges or options for all of these. Not high-prio.
+    }
+
+    UHD_HERE();
+    UHD_VAR((_tree->exists(fs_path("time/cmd"))));
+}
+
+eiscat_radio_ctrl_impl::~eiscat_radio_ctrl_impl()
+{
+    UHD_LOG_TRACE("EISCAT", "eiscat_radio_ctrl_impl::dtor() ");
+}
+
+void eiscat_radio_ctrl_impl::set_tx_antenna(const std::string &, const size_t)
+{
+    throw uhd::runtime_error("Cannot set Tx antenna on EISCAT daughterboard");
+}
+
+void eiscat_radio_ctrl_impl::set_rx_antenna(const std::string & /* ant */, const size_t /* chan */)
+{
+    UHD_LOG_WARNING("EISCAT", "Ignoring attempt to set Rx antenna");
+}
+
+double eiscat_radio_ctrl_impl::get_tx_frequency(const size_t /* chan */)
+{
+    UHD_LOG_WARNING("EISCAT", "Ignoring attempt to read Tx frequency");
+    return 0.0;
+}
+
+double eiscat_radio_ctrl_impl::set_tx_frequency(const double /* freq */, const size_t /* chan */)
+{
+    throw uhd::runtime_error("Cannot set Tx frequency on EISCAT daughterboard");
+}
+
+double eiscat_radio_ctrl_impl::set_rx_frequency(const double freq, const size_t chan)
+{
+    if (freq != get_rx_frequency(chan)) {
+        UHD_LOG_WARNING("EISCAT", "Ignoring attempt to set Rx frequency");
+    }
+    return get_rx_frequency(chan);
+}
+
+double eiscat_radio_ctrl_impl::set_rx_bandwidth(const double bandwidth, const size_t chan)
+{
+    if (bandwidth != get_rx_bandwidth(chan)) {
+        UHD_LOG_WARNING("EISCAT", "Ignoring attempt to set Rx bandwidth");
+    }
+    return get_rx_bandwidth(chan);
+}
+
+
+double eiscat_radio_ctrl_impl::set_tx_gain(const double /* gain */, const size_t /* chan */)
+{
+    throw uhd::runtime_error("Cannot set Tx gain on EISCAT daughterboard");
+}
+
+double eiscat_radio_ctrl_impl::set_rx_gain(const double gain, const size_t chan)
+{
+    // TODO: Add ability to set digital gain or make it explicit this function is not supported.
+    if (gain != get_rx_gain(chan)) {
+        UHD_LOG_WARNING("EISCAT", "Ignoring attempt to set Rx gain.");
+    }
+    return get_rx_gain(chan);
+}
+
+double eiscat_radio_ctrl_impl::set_rate(double rate)
+{
+    if (rate != get_rate()) {
+        UHD_LOG_WARNING("EISCAT", "Attempting to set sampling rate to invalid value " << rate);
+    }
+    return get_rate();
+}
+
+size_t eiscat_radio_ctrl_impl::get_chan_from_dboard_fe(const std::string &fe, const uhd::direction_t dir)
+{
+    if (dir != uhd::direction_t::RX_DIRECTION) {
+        throw uhd::runtime_error("Unable to get chan from fe, EISCAT only has Rx frontends");
+    }
+
+    // A:0 -> A:7, B:0 -> B:7
+    return boost::lexical_cast<size_t>(fe.substr(2));
+}
+
+std::string eiscat_radio_ctrl_impl::get_dboard_fe_from_chan(const size_t chan, const uhd::direction_t dir)
+{
+    if (dir != uhd::direction_t::RX_DIRECTION) {
+        throw uhd::runtime_error("Unable to get fe from chan, EISCAT only has Rx frontends");
+    }
+
+    // A:0 -> A:7, B:0 -> B:7
+    return _radio_slot + ':' + std::to_string(chan);
+}
+
+double eiscat_radio_ctrl_impl::get_output_samp_rate(size_t /* port */)
+{
+    return EISCAT_RADIO_RATE;
+}
+
+UHD_RFNOC_BLOCK_REGISTER(eiscat_radio_ctrl, "EISCATRadio");
diff --git a/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp
new file mode 100644
index 000000000..5ffdffc6a
--- /dev/null
+++ b/host/lib/usrp/dboard/eiscat/eiscat_radio_ctrl_impl.hpp
@@ -0,0 +1,73 @@
+//
+// Copyright 2017 Ettus Research
+//
+// 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/>.
+//
+
+#ifndef INCLUDED_LIBUHD_RFNOC_EISCAT_RADIO_CTRL_IMPL_HPP
+#define INCLUDED_LIBUHD_RFNOC_EISCAT_RADIO_CTRL_IMPL_HPP
+
+#include "radio_ctrl_impl.hpp"
+#include "uhd/types/direction.hpp"
+
+namespace uhd {
+    namespace rfnoc {
+
+/*! \brief Provide access to an eiscat radio.
+ */
+class eiscat_radio_ctrl_impl : public radio_ctrl_impl
+{
+public:
+    typedef boost::shared_ptr<eiscat_radio_ctrl_impl> sptr;
+
+    /************************************************************************
+     * Structors
+     ***********************************************************************/
+    UHD_RFNOC_RADIO_BLOCK_CONSTRUCTOR_DECL(eiscat_radio_ctrl)
+    virtual ~eiscat_radio_ctrl_impl();
+
+    /************************************************************************
+     * API calls
+     * Note: Tx calls are here mostly to throw errors.
+     ***********************************************************************/
+    double set_rate(double rate);
+
+    void set_tx_antenna(const std::string &ant, const size_t chan);
+    void set_rx_antenna(const std::string &ant, const size_t chan);
+
+    double set_tx_frequency(const double freq, const size_t chan);
+    double set_rx_frequency(const double freq, const size_t chan);
+    double set_rx_bandwidth(const double bandwidth, const size_t chan);
+    double get_tx_frequency(const size_t chan);
+
+    double set_tx_gain(const double gain, const size_t chan);
+    double set_rx_gain(const double gain, const size_t chan);
+
+    size_t get_chan_from_dboard_fe(const std::string &fe, const uhd::direction_t dir);
+    std::string get_dboard_fe_from_chan(const size_t chan, const uhd::direction_t dir);
+
+    double get_output_samp_rate(size_t port);
+
+private:
+    enum radio_connection_t { PRIMARY, SECONDARY };
+
+    radio_connection_t                  _radio_type;
+    std::string                         _radio_slot;
+}; /* class radio_ctrl_impl */
+
+}} /* namespace uhd::rfnoc */
+
+#endif /* INCLUDED_LIBUHD_RFNOC_EISCAT_RADIO_CTRL_IMPL_HPP */
+// vim: sw=4 et:
+
diff --git a/host/lib/usrp/magnesium/CMakeLists.txt b/host/lib/usrp/dboard/magnesium/CMakeLists.txt
index 6d3f53fba..6d3f53fba 100644
--- a/host/lib/usrp/magnesium/CMakeLists.txt
+++ b/host/lib/usrp/dboard/magnesium/CMakeLists.txt
diff --git a/host/lib/usrp/magnesium/magnesium_radio_ctrl_impl.cpp b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_impl.cpp
index 6bac969ed..6bac969ed 100644
--- a/host/lib/usrp/magnesium/magnesium_radio_ctrl_impl.cpp
+++ b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_impl.cpp
diff --git a/host/lib/usrp/magnesium/magnesium_radio_ctrl_impl.hpp b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_impl.hpp
index ea8282532..ea8282532 100644
--- a/host/lib/usrp/magnesium/magnesium_radio_ctrl_impl.hpp
+++ b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_impl.hpp
diff --git a/host/lib/usrp/netd/netd_impl.cpp b/host/lib/usrp/netd/netd_impl.cpp
index 5a8b3e59c..557ebff4a 100644
--- a/host/lib/usrp/netd/netd_impl.cpp
+++ b/host/lib/usrp/netd/netd_impl.cpp
@@ -106,15 +106,15 @@ netd_impl::netd_impl(const device_addr_t& device_addr) :
     try {
         enumerate_rfnoc_blocks(
           0,
-          1,
+          3, /* num blocks */
           3, /* base port */
           uhd::sid_t(0x0200),
           device_addr
         );
-    } catch (...) {
-        printf("%s Derp\n", __func__);
+    } catch (const std::exception &ex) {
+        UHD_HERE();
+        std::cout << ex.what() << std::endl;
     }
-
 }
 
 netd_impl::~netd_impl() {}