Merge branch 'master' of git@ettus.sourcerepo.com:ettus/uhd into u1e_uhd

17 files changed, 292 insertions, 216 deletions

diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index ca00c3597..7d7fcbea9 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -80,4 +80,7 @@ ADD_LIBRARY(uhd SHARED ${libuhd_sources})
 
 TARGET_LINK_LIBRARIES(uhd ${Boost_LIBRARIES})
 
-INSTALL(TARGETS uhd LIBRARY DESTINATION ${LIBRARY_DIR})
+INSTALL(TARGETS uhd
+    LIBRARY DESTINATION ${LIBRARY_DIR}
+    ARCHIVE DESTINATION ${LIBRARY_DIR}
+)
diff --git a/host/lib/device.cpp b/host/lib/device.cpp
index a87ba83eb..cd8a01ab4 100644
--- a/host/lib/device.cpp
+++ b/host/lib/device.cpp
@@ -109,14 +109,14 @@ device::sptr device::make(const device_addr_t &hint, size_t which){
     //check that we found any devices
     if (dev_addr_makers.size() == 0){
         throw std::runtime_error(str(
-            boost::format("No devices found for %s") % device_addr::to_string(hint)
+            boost::format("No devices found for ----->\n%s") % device_addr::to_string(hint)
         ));
     }
 
     //check that the which index is valid
     if (dev_addr_makers.size() <= which){
         throw std::runtime_error(str(
-            boost::format("No device at index %d for %s") % which % device_addr::to_string(hint)
+            boost::format("No device at index %d for ----->\n%s") % which % device_addr::to_string(hint)
         ));
     }
 
@@ -136,7 +136,7 @@ device::sptr device::make(const device_addr_t &hint, size_t which){
         return hash_to_device[dev_hash].lock();
     }
     //create and register a new device
-    catch(const std::assert_error &e){
+    catch(const std::assert_error &){
         device::sptr dev = maker(dev_addr);
         hash_to_device[dev_hash] = dev;
         return dev;
diff --git a/host/lib/device_addr.cpp b/host/lib/device_addr.cpp
index 9514df981..d26bb4b9d 100644
--- a/host/lib/device_addr.cpp
+++ b/host/lib/device_addr.cpp
@@ -28,7 +28,7 @@ uhd::mac_addr_t::mac_addr_t(const std::string &mac_addr_str_){
     std::string mac_addr_str = (mac_addr_str_ == "")? "ff:ff:ff:ff:ff:ff" : mac_addr_str_;
 
     //ether_aton_r(str.c_str(), &mac_addr);
-    uint8_t p[6] = {0x00, 0x50, 0xC2, 0x85, 0x30, 0x00}; // Matt's IAB
+    boost::uint8_t p[6] = {0x00, 0x50, 0xC2, 0x85, 0x30, 0x00}; // Matt's IAB
 
     try{
         //only allow patterns of xx:xx or xx:xx:xx:xx:xx:xx
@@ -43,7 +43,7 @@ uhd::mac_addr_t::mac_addr_t(const std::string &mac_addr_str_){
             int hex_num;
             std::istringstream iss(hex_strs[i]);
             iss >> std::hex >> hex_num;
-            p[i] = uint8_t(hex_num);
+            p[i] = boost::uint8_t(hex_num);
         }
 
     }
@@ -58,7 +58,7 @@ uhd::mac_addr_t::mac_addr_t(const std::string &mac_addr_str_){
 
 std::string uhd::mac_addr_t::to_string(void) const{
     //ether_ntoa_r(&mac_addr, addr_buf);
-    const uint8_t *p = reinterpret_cast<const uint8_t *>(&mac_addr);
+    const boost::uint8_t *p = reinterpret_cast<const boost::uint8_t *>(&mac_addr);
     return str(
         boost::format("%02x:%02x:%02x:%02x:%02x:%02x")
         % int(p[0]) % int(p[1]) % int(p[2])
diff --git a/host/lib/simple_device.cpp b/host/lib/simple_device.cpp
index 62a38cb79..79b035071 100644
--- a/host/lib/simple_device.cpp
+++ b/host/lib/simple_device.cpp
@@ -133,8 +133,16 @@ public:
         _mboard = (*_dev)[DEVICE_PROP_MBOARD];
         _rx_ddc = _mboard[named_prop_t(MBOARD_PROP_RX_DSP, "ddc0")];
         _tx_duc = _mboard[named_prop_t(MBOARD_PROP_TX_DSP, "duc0")];
-        _rx_subdev = _mboard[MBOARD_PROP_RX_DBOARD][DBOARD_PROP_SUBDEV];
-        _tx_subdev = _mboard[MBOARD_PROP_TX_DBOARD][DBOARD_PROP_SUBDEV];
+
+        //extract rx subdevice
+        wax::obj rx_dboard = _mboard[MBOARD_PROP_RX_DBOARD];
+        std::string rx_subdev_in_use = rx_dboard[DBOARD_PROP_USED_SUBDEVS].as<prop_names_t>().at(0);
+        _rx_subdev = rx_dboard[named_prop_t(DBOARD_PROP_SUBDEV, rx_subdev_in_use)];
+
+        //extract tx subdevice
+        wax::obj tx_dboard = _mboard[MBOARD_PROP_TX_DBOARD];
+        std::string tx_subdev_in_use = tx_dboard[DBOARD_PROP_USED_SUBDEVS].as<prop_names_t>().at(0);
+        _tx_subdev = tx_dboard[named_prop_t(DBOARD_PROP_SUBDEV, tx_subdev_in_use)];
     }
 
     ~simple_device_impl(void){
diff --git a/host/lib/time_spec.cpp b/host/lib/time_spec.cpp
index 193441342..210010394 100644
--- a/host/lib/time_spec.cpp
+++ b/host/lib/time_spec.cpp
@@ -24,17 +24,17 @@ time_spec_t::time_spec_t(void){
     ticks = ~0;
 }
 
-time_spec_t::time_spec_t(uint32_t new_secs, uint32_t new_ticks){
+time_spec_t::time_spec_t(boost::uint32_t new_secs, boost::uint32_t new_ticks){
     secs = new_secs;
     ticks = new_ticks;
 }
 
 static const boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
-static double time_tick_rate(boost::posix_time::time_duration::ticks_per_second());
+static double time_tick_rate = double(boost::posix_time::time_duration::ticks_per_second());
 
 time_spec_t::time_spec_t(boost::posix_time::ptime time, double tick_rate){
     boost::posix_time::time_duration td = time - epoch;
-    secs = td.total_seconds();
+    secs = boost::uint32_t(td.total_seconds());
     double time_ticks_per_device_ticks = time_tick_rate/tick_rate;
-    ticks = td.fractional_seconds()/time_ticks_per_device_ticks;
+    ticks = boost::uint32_t(td.fractional_seconds()/time_ticks_per_device_ticks);
 }
diff --git a/host/lib/transport/udp_simple.cpp b/host/lib/transport/udp_simple.cpp
index 7004bdfdf..3c8ecb70d 100644
--- a/host/lib/transport/udp_simple.cpp
+++ b/host/lib/transport/udp_simple.cpp
@@ -38,7 +38,7 @@ static void reasonable_recv_timeout(
     boost::asio::ip::udp::socket &socket
 ){
     boost::asio::deadline_timer timer(socket.get_io_service());
-    timer.expires_from_now(boost::posix_time::milliseconds(50));
+    timer.expires_from_now(boost::posix_time::milliseconds(100));
     while (not (socket.available() or timer.expires_from_now().is_negative())){
         boost::this_thread::sleep(boost::posix_time::milliseconds(1));
     }
diff --git a/host/lib/transport/udp_zero_copy_none.cpp b/host/lib/transport/udp_zero_copy_none.cpp
index e29530cf1..219ae8720 100644
--- a/host/lib/transport/udp_zero_copy_none.cpp
+++ b/host/lib/transport/udp_zero_copy_none.cpp
@@ -16,8 +16,10 @@
 //
 
 #include <uhd/transport/udp_zero_copy.hpp>
+#include <boost/cstdint.hpp>
 #include <boost/thread.hpp>
 #include <boost/format.hpp>
+#include <iostream>
 
 using namespace uhd::transport;
 
@@ -36,7 +38,7 @@ public:
     }
 
     ~smart_buffer_impl(void){
-        delete [] boost::asio::buffer_cast<const uint32_t *>(_buff);
+        delete [] boost::asio::buffer_cast<const boost::uint32_t *>(_buff);
     }
 
     const boost::asio::const_buffer &get(void) const{
@@ -89,12 +91,12 @@ udp_zero_copy_impl::udp_zero_copy_impl(const std::string &addr, const std::strin
 
     // set the rx socket buffer size:
     // pick a huge size, and deal with whatever we get
-    set_recv_buff_size(54321e3); //some big number!
+    set_recv_buff_size(size_t(54321e3)); //some big number!
     size_t current_buff_size = get_recv_buff_size();
     std::cout << boost::format(
         "Current rx socket buffer size: %d\n"
     ) % current_buff_size;
-    if (current_buff_size < .1e6) std::cout << boost::format(
+    if (current_buff_size < size_t(.1e6)) std::cout << boost::format(
         "Adjust max rx socket buffer size (linux only):\n"
         "  sysctl -w net.core.rmem_max=VALUE\n"
     );
@@ -119,7 +121,7 @@ smart_buffer::sptr udp_zero_copy_impl::recv(void){
     }
 
     //allocate memory and create buffer
-    uint32_t *buff_mem = new uint32_t[available/sizeof(uint32_t)];
+    boost::uint32_t *buff_mem = new boost::uint32_t[available/sizeof(boost::uint32_t)];
     boost::asio::mutable_buffer buff(buff_mem, available);
 
     //receive only if data is available
diff --git a/host/lib/transport/vrt.cpp b/host/lib/transport/vrt.cpp
index 5029df217..a06b5bf21 100644
--- a/host/lib/transport/vrt.cpp
+++ b/host/lib/transport/vrt.cpp
@@ -16,20 +16,21 @@
 //
 
 #include <uhd/transport/vrt.hpp>
-#include <netinet/in.h>
+#include <boost/asio.hpp> //endianness conversion
 #include <stdexcept>
 
+using namespace uhd;
 using namespace uhd::transport;
 
 void vrt::pack(
     const tx_metadata_t &metadata, //input
-    uint32_t *header_buff,         //output
+    boost::uint32_t *header_buff,  //output
     size_t &num_header_words32,    //output
     size_t num_payload_words32,    //input
     size_t &num_packet_words32,    //output
     size_t packet_count            //input
 ){
-    uint32_t vrt_hdr_flags = 0;
+    boost::uint32_t vrt_hdr_flags = 0;
     num_header_words32 = 1;
 
     //load the vrt header and flags
@@ -58,18 +59,18 @@ void vrt::pack(
 }
 
 void vrt::unpack(
-    rx_metadata_t &metadata,         //output
-    const uint32_t *header_buff,     //input
-    size_t &num_header_words32,      //output
-    size_t &num_payload_words32,     //output
-    size_t num_packet_words32,       //input
-    size_t &packet_count             //output
+    rx_metadata_t &metadata,            //output
+    const boost::uint32_t *header_buff, //input
+    size_t &num_header_words32,         //output
+    size_t &num_payload_words32,        //output
+    size_t num_packet_words32,          //input
+    size_t &packet_count                //output
 ){
     //clear the metadata
     metadata = rx_metadata_t();
 
     //extract vrt header
-    uint32_t vrt_hdr_word = ntohl(header_buff[0]);
+    boost::uint32_t vrt_hdr_word = ntohl(header_buff[0]);
     size_t packet_words32 = vrt_hdr_word & 0xffff;
     packet_count = (vrt_hdr_word >> 16) & 0xf;
 
diff --git a/host/lib/usrp/dboard/basic.cpp b/host/lib/usrp/dboard/basic.cpp
index 095b77ce1..02b391244 100644
--- a/host/lib/usrp/dboard/basic.cpp
+++ b/host/lib/usrp/dboard/basic.cpp
@@ -75,9 +75,9 @@ static dboard_base::sptr make_lf_tx(dboard_base::ctor_args_t const& args){
 
 STATIC_BLOCK(reg_dboards){
     dboard_manager::register_dboard(0x0000, &make_basic_tx, "Basic TX", list_of(""));
-    dboard_manager::register_dboard(0x0001, &make_basic_rx, "Basic RX", list_of("a")("b")("ab"));
+    dboard_manager::register_dboard(0x0001, &make_basic_rx, "Basic RX", list_of("ab")("a")("b"));
     dboard_manager::register_dboard(0x000e, &make_lf_tx,    "LF TX",    list_of(""));
-    dboard_manager::register_dboard(0x000f, &make_lf_rx,    "LF RX",    list_of("a")("b")("ab"));
+    dboard_manager::register_dboard(0x000f, &make_lf_rx,    "LF RX",    list_of("ab")("a")("b"));
 }
 
 /***********************************************************************
@@ -100,7 +100,7 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){
     //handle the get request conditioned on the key
     switch(key.as<subdev_prop_t>()){
     case SUBDEV_PROP_NAME:
-        val = std::string(str(boost::format("%s:%s")
+        val = std::string(str(boost::format("%s - %s")
             % dboard_id::to_string(get_rx_id())
             % get_subdev_name()
         ));
@@ -172,11 +172,13 @@ void basic_rx::rx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; // it wont do you much good, but you can set it
 
+    case SUBDEV_PROP_FREQ:
+        return; // it wont do you much good, but you can set it
+
     case SUBDEV_PROP_NAME:
     case SUBDEV_PROP_OTHERS:
     case SUBDEV_PROP_GAIN_RANGE:
     case SUBDEV_PROP_GAIN_NAMES:
-    case SUBDEV_PROP_FREQ:
     case SUBDEV_PROP_FREQ_RANGE:
     case SUBDEV_PROP_ANTENNA_NAMES:
     case SUBDEV_PROP_QUADRATURE:
@@ -278,11 +280,13 @@ void basic_tx::tx_set(const wax::obj &key_, const wax::obj &val){
     case SUBDEV_PROP_ENABLED:
         return; // it wont do you much good, but you can set it
 
+    case SUBDEV_PROP_FREQ:
+        return; // it wont do you much good, but you can set it
+
     case SUBDEV_PROP_NAME:
     case SUBDEV_PROP_OTHERS:
     case SUBDEV_PROP_GAIN_RANGE:
     case SUBDEV_PROP_GAIN_NAMES:
-    case SUBDEV_PROP_FREQ:
     case SUBDEV_PROP_FREQ_RANGE:
     case SUBDEV_PROP_ANTENNA_NAMES:
     case SUBDEV_PROP_QUADRATURE:
diff --git a/host/lib/usrp/dboard_manager.cpp b/host/lib/usrp/dboard_manager.cpp
index eeabbda99..6ca15e98c 100644
--- a/host/lib/usrp/dboard_manager.cpp
+++ b/host/lib/usrp/dboard_manager.cpp
@@ -46,7 +46,7 @@ void dboard_manager::register_dboard(
     //std::cout << "registering: " << name << std::endl;
     if (get_id_to_args_map().has_key(dboard_id)){
         throw std::runtime_error(str(boost::format(
-            "The dboard id 0x%.4x is already registered to %s."
+            "The dboard id 0x%04x is already registered to %s."
         ) % dboard_id % dboard_id::to_string(dboard_id)));
     }
     get_id_to_args_map()[dboard_id] = args_t(dboard_ctor, name, subdev_names);
@@ -54,7 +54,7 @@ void dboard_manager::register_dboard(
 
 std::string dboard_id::to_string(const dboard_id_t &id){
     std::string name = (get_id_to_args_map().has_key(id))? get_id_to_args_map()[id].get<1>() : "unknown";
-    return str(boost::format("%s (0x%.4x)") % name % id);
+    return str(boost::format("%s (0x%04x)") % name % id);
 }
 
 /***********************************************************************
diff --git a/host/lib/usrp/usrp2/dboard_impl.cpp b/host/lib/usrp/usrp2/dboard_impl.cpp
index 6d957436e..60622ca47 100644
--- a/host/lib/usrp/usrp2/dboard_impl.cpp
+++ b/host/lib/usrp/usrp2/dboard_impl.cpp
@@ -18,7 +18,6 @@
 #include <uhd/utils.hpp>
 #include <boost/format.hpp>
 #include "usrp2_impl.hpp"
-#include "dboard_interface.hpp"
 
 using namespace uhd;
 using namespace uhd::usrp;
@@ -32,23 +31,16 @@ void usrp2_impl::dboard_init(void){
     out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO);
     usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
     ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THESE_ARE_MY_DBOARD_IDS_DUDE);
-    std::cout << boost::format("rx id 0x%.2x, tx id 0x%.2x")
-        % ntohs(in_data.data.dboard_ids.rx_id)
-        % ntohs(in_data.data.dboard_ids.tx_id) << std::endl;
 
-    //extract the dboard ids an convert them to enums
-    dboard_id_t rx_dboard_id = static_cast<dboard_id_t>(
-        ntohs(in_data.data.dboard_ids.rx_id)
-    );
-    dboard_id_t tx_dboard_id = static_cast<dboard_id_t>(
-        ntohs(in_data.data.dboard_ids.tx_id)
-    );
+    //extract the dboard ids an convert them
+    dboard_id_t rx_dboard_id = ntohs(in_data.data.dboard_ids.rx_id);
+    dboard_id_t tx_dboard_id = ntohs(in_data.data.dboard_ids.tx_id);
 
     //create a new dboard interface and manager
     dboard_interface::sptr _dboard_interface(
-        new usrp2_dboard_interface(this)
+        make_usrp2_dboard_interface(this)
     );
-    dboard_manager::sptr _dboard_manager = dboard_manager::make(
+    _dboard_manager = dboard_manager::make(
         rx_dboard_id, tx_dboard_id, _dboard_interface
     );
 
@@ -61,6 +53,46 @@ void usrp2_impl::dboard_init(void){
         boost::bind(&usrp2_impl::tx_dboard_get, this, _1, _2),
         boost::bind(&usrp2_impl::tx_dboard_set, this, _1, _2)
     );
+
+    //init the subdevs in use (use the first subdevice)
+    _rx_subdevs_in_use = prop_names_t(1, _dboard_manager->get_rx_subdev_names().at(0));
+    _tx_subdevs_in_use = prop_names_t(1, _dboard_manager->get_tx_subdev_names().at(0));
+    update_mux_config();
+}
+
+void usrp2_impl::update_mux_config(void){
+    //calculate the rx mux
+    boost::uint32_t rx_mux = 0;
+    ASSERT_THROW(_rx_subdevs_in_use.size() == 1);
+    wax::obj rx_subdev = _dboard_manager->get_rx_subdev(_rx_subdevs_in_use.at(0));
+    std::cout << "Using: " << rx_subdev[SUBDEV_PROP_NAME].as<std::string>() << std::endl;
+    if (rx_subdev[SUBDEV_PROP_QUADRATURE].as<bool>()){
+        rx_mux = (0x01 << 2) | (0x00 << 0); //Q=ADC1, I=ADC0
+    }else{
+        rx_mux = 0x00; //ADC0
+    }
+    if (rx_subdev[SUBDEV_PROP_IQ_SWAPPED].as<bool>()){
+        rx_mux = (((rx_mux >> 0) & 0x3) << 2) | (((rx_mux >> 2) & 0x3) << 0);
+    }
+
+    //calculate the tx mux
+    boost::uint32_t tx_mux = 0x10;
+    ASSERT_THROW(_tx_subdevs_in_use.size() == 1);
+    wax::obj tx_subdev = _dboard_manager->get_tx_subdev(_tx_subdevs_in_use.at(0));
+    std::cout << "Using: " << tx_subdev[SUBDEV_PROP_NAME].as<std::string>() << std::endl;
+    if (tx_subdev[SUBDEV_PROP_IQ_SWAPPED].as<bool>()){
+        tx_mux = (((tx_mux >> 0) & 0x1) << 1) | (((tx_mux >> 1) & 0x1) << 0);
+    }
+
+    //setup the out data
+    usrp2_ctrl_data_t out_data;
+    out_data.id = htonl(USRP2_CTRL_ID_UPDATE_THOSE_MUX_SETTINGS_BRO);
+    out_data.data.mux_args.rx_mux = htonl(rx_mux);
+    out_data.data.mux_args.tx_mux = htonl(tx_mux);
+
+    //send and recv
+    usrp2_ctrl_data_t in_data = ctrl_send_and_recv(out_data);
+    ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_UPDATED_THE_MUX_SETTINGS_DUDE);
 }
 
 /***********************************************************************
@@ -84,12 +116,22 @@ void usrp2_impl::rx_dboard_get(const wax::obj &key_, wax::obj &val){
         val = _dboard_manager->get_rx_subdev_names();
         return;
 
+    case DBOARD_PROP_USED_SUBDEVS:
+        val = _rx_subdevs_in_use;
+        return;
+
     //case DBOARD_PROP_CODEC:
     //    throw std::runtime_error("unhandled prop in usrp2 dboard");
     }
 }
 
-void usrp2_impl::rx_dboard_set(const wax::obj &, const wax::obj &){
+void usrp2_impl::rx_dboard_set(const wax::obj &key, const wax::obj &val){
+    if (key.as<dboard_prop_t>() == DBOARD_PROP_USED_SUBDEVS){
+        _rx_subdevs_in_use = val.as<prop_names_t>();
+        update_mux_config(); //if the val is bad, this will throw
+        return;
+    }
+
     throw std::runtime_error("Cannot set on usrp2 dboard");
 }
 
@@ -114,11 +156,21 @@ void usrp2_impl::tx_dboard_get(const wax::obj &key_, wax::obj &val){
         val = _dboard_manager->get_tx_subdev_names();
         return;
 
+    case DBOARD_PROP_USED_SUBDEVS:
+        val = _tx_subdevs_in_use;
+        return;
+
     //case DBOARD_PROP_CODEC:
     //    throw std::runtime_error("unhandled prop in usrp2 dboard");
     }
 }
 
-void usrp2_impl::tx_dboard_set(const wax::obj &, const wax::obj &){
+void usrp2_impl::tx_dboard_set(const wax::obj &key, const wax::obj &val){
+    if (key.as<dboard_prop_t>() == DBOARD_PROP_USED_SUBDEVS){
+        _tx_subdevs_in_use = val.as<prop_names_t>();
+        update_mux_config(); //if the val is bad, this will throw
+        return;
+    }
+
     throw std::runtime_error("Cannot set on usrp2 dboard");
 }
diff --git a/host/lib/usrp/usrp2/dboard_interface.cpp b/host/lib/usrp/usrp2/dboard_interface.cpp
index f12b101f3..d20465147 100644
--- a/host/lib/usrp/usrp2/dboard_interface.cpp
+++ b/host/lib/usrp/usrp2/dboard_interface.cpp
@@ -16,11 +16,48 @@
 //
 
 #include <uhd/utils.hpp>
-#include "dboard_interface.hpp"
 #include "usrp2_impl.hpp"
 
 using namespace uhd::usrp;
 
+class usrp2_dboard_interface : public dboard_interface{
+public:
+    usrp2_dboard_interface(usrp2_impl *impl);
+    ~usrp2_dboard_interface(void);
+
+    void write_aux_dac(unit_type_t, int, int);
+    int read_aux_adc(unit_type_t, int);
+
+    void set_atr_reg(gpio_bank_t, boost::uint16_t, boost::uint16_t, boost::uint16_t);
+    void set_gpio_ddr(gpio_bank_t, boost::uint16_t, boost::uint16_t);
+    void write_gpio(gpio_bank_t, boost::uint16_t, boost::uint16_t);
+    boost::uint16_t read_gpio(gpio_bank_t);
+
+    void write_i2c(int, const byte_vector_t &);
+    byte_vector_t read_i2c(int, size_t);
+
+    double get_rx_clock_rate(void);
+    double get_tx_clock_rate(void);
+
+private:
+    byte_vector_t transact_spi(
+        spi_dev_t dev,
+        spi_latch_t latch,
+        spi_push_t push,
+        const byte_vector_t &buf,
+        bool readback
+    );
+
+    usrp2_impl *_impl;
+};
+
+/***********************************************************************
+ * Make Function
+ **********************************************************************/
+dboard_interface::sptr make_usrp2_dboard_interface(usrp2_impl *impl){
+    return dboard_interface::sptr(new usrp2_dboard_interface(impl));
+}
+
 /***********************************************************************
  * Structors
  **********************************************************************/
@@ -52,7 +89,7 @@ double usrp2_dboard_interface::get_tx_clock_rate(void){
  * \param bank the dboard interface gpio bank enum
  * \return an over the wire representation
  */
-static uint8_t gpio_bank_to_otw(dboard_interface::gpio_bank_t bank){
+static boost::uint8_t gpio_bank_to_otw(dboard_interface::gpio_bank_t bank){
     switch(bank){
     case uhd::usrp::dboard_interface::GPIO_TX_BANK: return USRP2_DIR_TX;
     case uhd::usrp::dboard_interface::GPIO_RX_BANK: return USRP2_DIR_RX;
@@ -60,7 +97,7 @@ static uint8_t gpio_bank_to_otw(dboard_interface::gpio_bank_t bank){
     throw std::invalid_argument("unknown gpio bank type");
 }
 
-void usrp2_dboard_interface::set_gpio_ddr(gpio_bank_t bank, uint16_t value, uint16_t mask){
+void usrp2_dboard_interface::set_gpio_ddr(gpio_bank_t bank, boost::uint16_t value, boost::uint16_t mask){
     //setup the out data
     usrp2_ctrl_data_t out_data;
     out_data.id = htonl(USRP2_CTRL_ID_USE_THESE_GPIO_DDR_SETTINGS_BRO);
@@ -73,7 +110,7 @@ void usrp2_dboard_interface::set_gpio_ddr(gpio_bank_t bank, uint16_t value, uint
     ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_GOT_THE_GPIO_DDR_SETTINGS_DUDE);
 }
 
-void usrp2_dboard_interface::write_gpio(gpio_bank_t bank, uint16_t value, uint16_t mask){
+void usrp2_dboard_interface::write_gpio(gpio_bank_t bank, boost::uint16_t value, boost::uint16_t mask){
     //setup the out data
     usrp2_ctrl_data_t out_data;
     out_data.id = htonl(USRP2_CTRL_ID_SET_YOUR_GPIO_PIN_OUTS_BRO);
@@ -86,7 +123,7 @@ void usrp2_dboard_interface::write_gpio(gpio_bank_t bank, uint16_t value, uint16
     ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_I_SET_THE_GPIO_PIN_OUTS_DUDE);
 }
 
-uint16_t usrp2_dboard_interface::read_gpio(gpio_bank_t bank){
+boost::uint16_t usrp2_dboard_interface::read_gpio(gpio_bank_t bank){
     //setup the out data
     usrp2_ctrl_data_t out_data;
     out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_GPIO_PIN_VALS_BRO);
@@ -98,7 +135,7 @@ uint16_t usrp2_dboard_interface::read_gpio(gpio_bank_t bank){
     return ntohs(in_data.data.gpio_config.value);
 }
 
-void usrp2_dboard_interface::set_atr_reg(gpio_bank_t bank, uint16_t tx_value, uint16_t rx_value, uint16_t mask){
+void usrp2_dboard_interface::set_atr_reg(gpio_bank_t bank, boost::uint16_t tx_value, boost::uint16_t rx_value, boost::uint16_t mask){
     //setup the out data
     usrp2_ctrl_data_t out_data;
     out_data.id = htonl(USRP2_CTRL_ID_USE_THESE_ATR_SETTINGS_BRO);
@@ -121,7 +158,7 @@ void usrp2_dboard_interface::set_atr_reg(gpio_bank_t bank, uint16_t tx_value, ui
  * \param dev the dboard interface spi dev enum
  * \return an over the wire representation
  */
-static uint8_t spi_dev_to_otw(dboard_interface::spi_dev_t dev){
+static boost::uint8_t spi_dev_to_otw(dboard_interface::spi_dev_t dev){
     switch(dev){
     case uhd::usrp::dboard_interface::SPI_TX_DEV: return USRP2_DIR_TX;
     case uhd::usrp::dboard_interface::SPI_RX_DEV: return USRP2_DIR_RX;
@@ -135,7 +172,7 @@ static uint8_t spi_dev_to_otw(dboard_interface::spi_dev_t dev){
  * \param latch the dboard interface spi latch enum
  * \return an over the wire representation
  */
-static uint8_t spi_latch_to_otw(dboard_interface::spi_latch_t latch){
+static boost::uint8_t spi_latch_to_otw(dboard_interface::spi_latch_t latch){
     switch(latch){
     case uhd::usrp::dboard_interface::SPI_LATCH_RISE: return USRP2_CLK_EDGE_RISE;
     case uhd::usrp::dboard_interface::SPI_LATCH_FALL: return USRP2_CLK_EDGE_FALL;
@@ -149,7 +186,7 @@ static uint8_t spi_latch_to_otw(dboard_interface::spi_latch_t latch){
  * \param push the dboard interface spi push enum
  * \return an over the wire representation
  */
-static uint8_t spi_push_to_otw(dboard_interface::spi_push_t push){
+static boost::uint8_t spi_push_to_otw(dboard_interface::spi_push_t push){
     switch(push){
     case uhd::usrp::dboard_interface::SPI_PUSH_RISE: return USRP2_CLK_EDGE_RISE;
     case uhd::usrp::dboard_interface::SPI_PUSH_FALL: return USRP2_CLK_EDGE_FALL;
@@ -249,7 +286,7 @@ dboard_interface::byte_vector_t usrp2_dboard_interface::read_i2c(int i2c_addr, s
  * \param unit the dboard interface unit type enum
  * \return an over the wire representation
  */
-static uint8_t spi_dev_to_otw(dboard_interface::unit_type_t unit){
+static boost::uint8_t spi_dev_to_otw(dboard_interface::unit_type_t unit){
     switch(unit){
     case uhd::usrp::dboard_interface::UNIT_TYPE_TX: return USRP2_DIR_TX;
     case uhd::usrp::dboard_interface::UNIT_TYPE_RX: return USRP2_DIR_RX;
@@ -263,7 +300,7 @@ void usrp2_dboard_interface::write_aux_dac(dboard_interface::unit_type_t unit, i
     out_data.id = htonl(USRP2_CTRL_ID_WRITE_THIS_TO_THE_AUX_DAC_BRO);
     out_data.data.aux_args.dir = spi_dev_to_otw(unit);
     out_data.data.aux_args.which = which;
-    out_data.data.aux_args.dir = htonl(value);
+    out_data.data.aux_args.value = htonl(value);
 
     //send and recv
     usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
diff --git a/host/lib/usrp/usrp2/dboard_interface.hpp b/host/lib/usrp/usrp2/dboard_interface.hpp
deleted file mode 100644
index a06359e5e..000000000
--- a/host/lib/usrp/usrp2/dboard_interface.hpp
+++ /dev/null
@@ -1,63 +0,0 @@
-//
-// 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/>.
-//
-
-#include <uhd/usrp/dboard_interface.hpp>
-
-#ifndef INCLUDED_DBOARD_INTERFACE_HPP
-#define INCLUDED_DBOARD_INTERFACE_HPP
-
-class usrp2_impl; //dummy class declaration
-
-class usrp2_dboard_interface : public uhd::usrp::dboard_interface{
-public:
-    usrp2_dboard_interface(usrp2_impl *impl);
-
-    ~usrp2_dboard_interface(void);
-
-    void write_aux_dac(unit_type_t, int, int);
-
-    int read_aux_adc(unit_type_t, int);
-
-    void set_atr_reg(gpio_bank_t, uint16_t, uint16_t, uint16_t);
-
-    void set_gpio_ddr(gpio_bank_t, uint16_t, uint16_t);
-
-    void write_gpio(gpio_bank_t, uint16_t, uint16_t);
-
-    uint16_t read_gpio(gpio_bank_t);
-
-    void write_i2c(int, const byte_vector_t &);
-
-    byte_vector_t read_i2c(int, size_t);
-
-    double get_rx_clock_rate(void);
-
-    double get_tx_clock_rate(void);
-
-private:
-    byte_vector_t transact_spi(
-        spi_dev_t dev,
-        spi_latch_t latch,
-        spi_push_t push,
-        const byte_vector_t &buf,
-        bool readback
-    );
-
-    usrp2_impl *_impl;
-};
-
-#endif /* INCLUDED_DBOARD_INTERFACE_HPP */
diff --git a/host/lib/usrp/usrp2/dsp_impl.cpp b/host/lib/usrp/usrp2/dsp_impl.cpp
index 7520c1757..54ed45e41 100644
--- a/host/lib/usrp/usrp2/dsp_impl.cpp
+++ b/host/lib/usrp/usrp2/dsp_impl.cpp
@@ -18,6 +18,7 @@
 #include <uhd/utils.hpp>
 #include <boost/format.hpp>
 #include <boost/assign/list_of.hpp>
+#include <boost/math/special_functions/round.hpp>
 #include "usrp2_impl.hpp"
 
 using namespace uhd;
@@ -25,14 +26,20 @@ using namespace uhd;
 static const size_t default_decim = 16;
 static const size_t default_interp = 16;
 
+#define rint boost::math::iround
+
+template <class T> T log2(T num){
+    return std::log(num)/std::log(T(2));
+}
+
 /***********************************************************************
  * DDC Helper Methods
  **********************************************************************/
-static uint32_t calculate_freq_word_and_update_actual_freq(freq_t &freq, freq_t clock_freq){
-    double scale_factor = pow(2.0, 32);
+static boost::uint32_t calculate_freq_word_and_update_actual_freq(freq_t &freq, freq_t clock_freq){
+    double scale_factor = std::pow(2.0, 32);
 
     //calculate the freq register word
-    uint32_t freq_word = rint((freq / clock_freq) * scale_factor);
+    boost::uint32_t freq_word = rint((freq / clock_freq) * scale_factor);
 
     //update the actual frequency
     freq = (double(freq_word) / scale_factor) * clock_freq;
@@ -40,8 +47,8 @@ static uint32_t calculate_freq_word_and_update_actual_freq(freq_t &freq, freq_t
     return freq_word;
 }
 
-static uint32_t calculate_iq_scale_word(int16_t i, int16_t q){
-    return (uint16_t(i) << 16) | (uint16_t(q) << 0);
+static boost::uint32_t calculate_iq_scale_word(boost::int16_t i, boost::int16_t q){
+    return (boost::uint16_t(i) << 16) | (boost::uint16_t(q) << 0);
 }
 
 void usrp2_impl::init_ddc_config(void){
@@ -69,7 +76,7 @@ void usrp2_impl::update_ddc_config(void){
         calculate_freq_word_and_update_actual_freq(_ddc_freq, get_master_clock_freq())
     );
     out_data.data.ddc_args.decim = htonl(_ddc_decim);
-    static const uint32_t default_rx_scale_iq = 1024;
+    static const boost::int16_t default_rx_scale_iq = 1024;
     out_data.data.ddc_args.scale_iq = htonl(
         calculate_iq_scale_word(default_rx_scale_iq, default_rx_scale_iq)
     );
@@ -211,8 +218,8 @@ void usrp2_impl::update_duc_config(void){
     while(tmp_interp > 128) tmp_interp /= 2;
 
     // Calculate closest multiplier constant to reverse gain absent scale multipliers
-    size_t interp_cubed = pow(tmp_interp, 3);
-    size_t scale = rint((4096*pow(2, ceil(log2(interp_cubed))))/(1.65*interp_cubed));
+    double interp_cubed = std::pow(double(tmp_interp), 3);
+    boost::int16_t scale = rint((4096*std::pow(2, ceil(log2(interp_cubed))))/(1.65*interp_cubed));
 
     //setup the out data
     usrp2_ctrl_data_t out_data;
diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h
index 10c1ef8cf..7fcae6fb2 100644
--- a/host/lib/usrp/usrp2/fw_common.h
+++ b/host/lib/usrp/usrp2/fw_common.h
@@ -24,7 +24,12 @@
  * Therefore, this header may only contain valid C code.
  */
 #ifdef __cplusplus
+#include <boost/cstdint.hpp>
+#define _SINS_ boost:://stdint namespace when in c++
 extern "C" {
+#else
+#include <stdint.h>
+#define _SINS_
 #endif
 
 // size of the vrt header and trailer to the host
@@ -94,6 +99,9 @@ typedef enum{
     USRP2_CTRL_ID_GOT_A_NEW_TIME_FOR_YOU_BRO,
     USRP2_CTRL_ID_SWEET_I_GOT_THAT_TIME_DUDE,
 
+    USRP2_CTRL_ID_UPDATE_THOSE_MUX_SETTINGS_BRO,
+    USRP2_CTRL_ID_UPDATED_THE_MUX_SETTINGS_DUDE,
+
     USRP2_CTRL_ID_PEACE_OUT
 
 } usrp2_ctrl_id_t;
@@ -125,75 +133,79 @@ typedef enum{
 } usrp2_clk_edge_t;
 
 typedef struct{
-    uint32_t id;
-    uint32_t seq;
+    _SINS_ uint32_t id;
+    _SINS_ uint32_t seq;
     union{
-        uint32_t ip_addr;
-        uint8_t mac_addr[6];
+        _SINS_ uint32_t ip_addr;
+        _SINS_ uint8_t mac_addr[6];
         struct {
-            uint16_t rx_id;
-            uint16_t tx_id;
+            _SINS_ uint16_t rx_id;
+            _SINS_ uint16_t tx_id;
         } dboard_ids;
         struct {
-            uint8_t pps_source;
-            uint8_t pps_polarity;
-            uint8_t ref_source;
-            uint8_t _pad;
+            _SINS_ uint8_t pps_source;
+            _SINS_ uint8_t pps_polarity;
+            _SINS_ uint8_t ref_source;
+            _SINS_ uint8_t _pad;
         } clock_config;
         struct {
-            uint8_t bank;
-            uint8_t _pad[3];
-            uint16_t value;
-            uint16_t mask;
+            _SINS_ uint8_t bank;
+            _SINS_ uint8_t _pad[3];
+            _SINS_ uint16_t value;
+            _SINS_ uint16_t mask;
         } gpio_config;
         struct {
-            uint8_t bank;
-            uint8_t _pad[3];
-            uint16_t tx_value;
-            uint16_t rx_value;
-            uint16_t mask;
+            _SINS_ uint8_t bank;
+            _SINS_ uint8_t _pad[3];
+            _SINS_ uint16_t tx_value;
+            _SINS_ uint16_t rx_value;
+            _SINS_ uint16_t mask;
         } atr_config;
         struct {
-            uint8_t dev;
-            uint8_t latch;
-            uint8_t push;
-            uint8_t readback;
-            uint8_t bytes;
-            uint8_t data[sizeof(uint32_t)];
+            _SINS_ uint8_t dev;
+            _SINS_ uint8_t latch;
+            _SINS_ uint8_t push;
+            _SINS_ uint8_t readback;
+            _SINS_ uint8_t bytes;
+            _SINS_ uint8_t data[sizeof(_SINS_ uint32_t)];
         } spi_args;
         struct {
-            uint8_t addr;
-            uint8_t bytes;
-            uint8_t data[sizeof(uint32_t)];
+            _SINS_ uint8_t addr;
+            _SINS_ uint8_t bytes;
+            _SINS_ uint8_t data[sizeof(_SINS_ uint32_t)];
         } i2c_args;
         struct {
-            uint8_t dir;
-            uint8_t which;
-            uint8_t _pad[2];
-            uint32_t value;
+            _SINS_ uint8_t dir;
+            _SINS_ uint8_t which;
+            _SINS_ uint8_t _pad[2];
+            _SINS_ uint32_t value;
         } aux_args;
         struct {
-            uint32_t freq_word;
-            uint32_t decim;
-            uint32_t scale_iq;
+            _SINS_ uint32_t freq_word;
+            _SINS_ uint32_t decim;
+            _SINS_ uint32_t scale_iq;
         } ddc_args;
         struct {
-            uint8_t enabled;
-            uint8_t _pad[3];
-            uint32_t secs;
-            uint32_t ticks;
-            uint32_t samples;
+            _SINS_ uint8_t enabled;
+            _SINS_ uint8_t _pad[3];
+            _SINS_ uint32_t secs;
+            _SINS_ uint32_t ticks;
+            _SINS_ uint32_t samples;
         } streaming;
         struct {
-            uint32_t freq_word;
-            uint32_t interp;
-            uint32_t scale_iq;
+            _SINS_ uint32_t freq_word;
+            _SINS_ uint32_t interp;
+            _SINS_ uint32_t scale_iq;
         } duc_args;
         struct {
-            uint32_t secs;
-            uint32_t ticks;
-            uint8_t now;
+            _SINS_ uint32_t secs;
+            _SINS_ uint32_t ticks;
+            _SINS_ uint8_t now;
         } time_args;
+        struct {
+            _SINS_ uint32_t rx_mux;
+            _SINS_ uint32_t tx_mux;
+        } mux_args;
     } data;
 } usrp2_ctrl_data_t;
 
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index cc7746720..dc8eea243 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -16,6 +16,7 @@
 //
 
 #include <complex>
+#include <algorithm>
 #include <boost/format.hpp>
 #include "usrp2_impl.hpp"
 
@@ -27,11 +28,11 @@ namespace asio = boost::asio;
 /***********************************************************************
  * Constants
  **********************************************************************/
-typedef std::complex<float>   fc32_t;
-typedef std::complex<int16_t> sc16_t;
+typedef std::complex<float>          fc32_t;
+typedef std::complex<boost::int16_t> sc16_t;
 
-static const float shorts_per_float = pow(2.0, 15);
-static const float floats_per_short = 1.0/shorts_per_float;
+static const float shorts_per_float = float(1 << 15);
+static const float floats_per_short = float(1.0/shorts_per_float);
 
 /***********************************************************************
  * Helper Functions
@@ -41,7 +42,7 @@ void usrp2_impl::io_init(void){
     _rx_copy_buff = asio::buffer("", 0);
 
     //send a small data packet so the usrp2 knows the udp source port
-    uint32_t zero_data = 0;
+    boost::uint32_t zero_data = 0;
     _data_transport->send(asio::buffer(&zero_data, sizeof(zero_data)));
 }
 
@@ -66,37 +67,37 @@ static const bool is_big_endian = false;
 #endif
 
 static inline void host_floats_to_usrp2_items(
-    uint32_t *usrp2_items,
+    boost::uint32_t *usrp2_items,
     const fc32_t *host_floats,
     size_t num_samps
 ){
     unrolled_loop(i, num_samps,{
-        uint16_t real = host_floats[i].real()*shorts_per_float;
-        uint16_t imag = host_floats[i].imag()*shorts_per_float;
+        boost::uint16_t real = boost::int16_t(host_floats[i].real()*shorts_per_float);
+        boost::uint16_t imag = boost::int16_t(host_floats[i].imag()*shorts_per_float);
         usrp2_items[i] = htonl((real << 16) | (imag << 0));
     });
 }
 
 static inline void usrp2_items_to_host_floats(
     fc32_t *host_floats,
-    const uint32_t *usrp2_items,
+    const boost::uint32_t *usrp2_items,
     size_t num_samps
 ){
     unrolled_loop(i, num_samps,{
-        uint32_t item = ntohl(usrp2_items[i]);
-        int16_t real = item >> 16;
-        int16_t imag = item >> 0;
-        host_floats[i] = fc32_t(real*floats_per_short, imag*floats_per_short);
+        boost::uint32_t item = ntohl(usrp2_items[i]);
+        boost::int16_t real = boost::uint16_t(item >> 16);
+        boost::int16_t imag = boost::uint16_t(item >> 0);
+        host_floats[i] = fc32_t(float(real*floats_per_short), float(imag*floats_per_short));
     });
 }
 
 static inline void host_items_to_usrp2_items(
-    uint32_t *usrp2_items,
-    const uint32_t *host_items,
+    boost::uint32_t *usrp2_items,
+    const boost::uint32_t *host_items,
     size_t num_samps
 ){
     if (is_big_endian){
-        std::memcpy(usrp2_items, host_items, num_samps*sizeof(uint32_t));
+        std::memcpy(usrp2_items, host_items, num_samps*sizeof(boost::uint32_t));
     }
     else{
         unrolled_loop(i, num_samps, usrp2_items[i] = htonl(host_items[i]));
@@ -104,12 +105,12 @@ static inline void host_items_to_usrp2_items(
 }
 
 static inline void usrp2_items_to_host_items(
-    uint32_t *host_items,
-    const uint32_t *usrp2_items,
+    boost::uint32_t *host_items,
+    const boost::uint32_t *usrp2_items,
     size_t num_samps
 ){
     if (is_big_endian){
-        std::memcpy(host_items, usrp2_items, num_samps*sizeof(uint32_t));
+        std::memcpy(host_items, usrp2_items, num_samps*sizeof(boost::uint32_t));
     }
     else{
         unrolled_loop(i, num_samps, host_items[i] = ntohl(usrp2_items[i]));
@@ -124,12 +125,12 @@ void usrp2_impl::recv_raw(rx_metadata_t &metadata){
     _rx_smart_buff = _data_transport->recv();
 
     //unpack the vrt header
-    size_t num_packet_words32 = asio::buffer_size(_rx_smart_buff->get())/sizeof(uint32_t);
+    size_t num_packet_words32 = asio::buffer_size(_rx_smart_buff->get())/sizeof(boost::uint32_t);
     if (num_packet_words32 == 0){
         _rx_copy_buff = boost::asio::buffer("", 0);
         return; //must exit here after setting the buffer
     }
-    const uint32_t *vrt_hdr = asio::buffer_cast<const uint32_t *>(_rx_smart_buff->get());
+    const boost::uint32_t *vrt_hdr = asio::buffer_cast<const boost::uint32_t *>(_rx_smart_buff->get());
     size_t num_header_words32_out, num_payload_words32_out, packet_count_out;
     try{
         vrt::unpack(
@@ -149,14 +150,14 @@ void usrp2_impl::recv_raw(rx_metadata_t &metadata){
     //handle the packet count / sequence number
     size_t expected_packet_count = _rx_stream_id_to_packet_seq[metadata.stream_id];
     if (packet_count_out != expected_packet_count){
-        std::cerr << "bad packet count: " << packet_count_out << std::endl;
+        std::cerr << "S" << (packet_count_out - expected_packet_count)%16;
     }
     _rx_stream_id_to_packet_seq[metadata.stream_id] = (packet_count_out+1)%16;
 
     //setup the rx buffer to point to the data
     _rx_copy_buff = asio::buffer(
         vrt_hdr + num_header_words32_out,
-        num_payload_words32_out*sizeof(uint32_t)
+        num_payload_words32_out*sizeof(boost::uint32_t)
     );
 }
 
@@ -168,8 +169,8 @@ size_t usrp2_impl::send(
     const tx_metadata_t &metadata,
     const std::string &type
 ){
-    uint32_t tx_mem[_mtu/sizeof(uint32_t)];
-    uint32_t *items = tx_mem + vrt::max_header_words32; //offset for data
+    boost::uint32_t tx_mem[_mtu/sizeof(boost::uint32_t)];
+    boost::uint32_t *items = tx_mem + vrt::max_header_words32; //offset for data
     size_t num_samps = _max_tx_samples_per_packet;
 
     //calculate the number of samples to be copied
@@ -180,13 +181,13 @@ size_t usrp2_impl::send(
     }
     else if (type == "16sc"){
         num_samps = std::min(asio::buffer_size(buff)/sizeof(sc16_t), num_samps);
-        host_items_to_usrp2_items(items, asio::buffer_cast<const uint32_t*>(buff), num_samps);
+        host_items_to_usrp2_items(items, asio::buffer_cast<const boost::uint32_t*>(buff), num_samps);
     }
     else{
         throw std::runtime_error(str(boost::format("usrp2 send: cannot handle type \"%s\"") % type));
     }
 
-    uint32_t vrt_hdr[vrt::max_header_words32];
+    boost::uint32_t vrt_hdr[vrt::max_header_words32];
     size_t num_header_words32, num_packet_words32;
     size_t packet_count = _tx_stream_id_to_packet_seq[metadata.stream_id]++;
 
@@ -202,10 +203,10 @@ size_t usrp2_impl::send(
 
     //copy in the vrt header (yes we left space)
     items -= num_header_words32;
-    std::memcpy(items, vrt_hdr, num_header_words32*sizeof(uint32_t));
+    std::memcpy(items, vrt_hdr, num_header_words32*sizeof(boost::uint32_t));
 
     //send and return number of samples
-    _data_transport->send(asio::buffer(items, num_packet_words32*sizeof(uint32_t)));
+    _data_transport->send(asio::buffer(items, num_packet_words32*sizeof(boost::uint32_t)));
     return num_samps;
 }
 
@@ -231,8 +232,8 @@ size_t usrp2_impl::recv(
     //and a pointer into the usrp2 received items memory
     size_t bytes_to_copy = asio::buffer_size(_rx_copy_buff);
     if (bytes_to_copy == 0) return 0; //nothing to receive
-    size_t num_samps = bytes_to_copy/sizeof(uint32_t);
-    const uint32_t *items = asio::buffer_cast<const uint32_t*>(_rx_copy_buff);
+    size_t num_samps = bytes_to_copy/sizeof(boost::uint32_t);
+    const boost::uint32_t *items = asio::buffer_cast<const boost::uint32_t*>(_rx_copy_buff);
 
     //calculate the number of samples to be copied
     //and copy the samples from the recv buffer
@@ -242,7 +243,7 @@ size_t usrp2_impl::recv(
     }
     else if (type == "16sc"){
         num_samps = std::min(asio::buffer_size(buff)/sizeof(sc16_t), num_samps);
-        usrp2_items_to_host_items(asio::buffer_cast<uint32_t*>(buff), items, num_samps);
+        usrp2_items_to_host_items(asio::buffer_cast<boost::uint32_t*>(buff), items, num_samps);
     }
     else{
         throw std::runtime_error(str(boost::format("usrp2 recv: cannot handle type \"%s\"") % type));
@@ -250,7 +251,7 @@ size_t usrp2_impl::recv(
 
     //update the rx copy buffer to reflect the bytes copied
     _rx_copy_buff = asio::buffer(
-        items + num_samps, bytes_to_copy - num_samps*sizeof(uint32_t)
+        items + num_samps, bytes_to_copy - num_samps*sizeof(boost::uint32_t)
     );
 
     return num_samps;
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index fc713c2bf..765c523fe 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -31,6 +31,15 @@
 #ifndef INCLUDED_USRP2_IMPL_HPP
 #define INCLUDED_USRP2_IMPL_HPP
 
+class usrp2_impl; //dummy class declaration
+
+/*!
+ * Make a usrp2 dboard interface.
+ * \param impl a pointer to the usrp2 impl object
+ * \return a sptr to a new dboard interface
+ */
+uhd::usrp::dboard_interface::sptr make_usrp2_dboard_interface(usrp2_impl *impl);
+
 /*!
  * Simple wax obj proxy class:
  * Provides a wax obj interface for a set and a get function.
@@ -106,17 +115,17 @@ public:
 private:
     //the raw io interface (samples are in the usrp2 native format)
     void recv_raw(uhd::rx_metadata_t &);
-    uhd::dict<uint32_t, size_t> _tx_stream_id_to_packet_seq;
-    uhd::dict<uint32_t, size_t> _rx_stream_id_to_packet_seq;
+    uhd::dict<boost::uint32_t, size_t> _tx_stream_id_to_packet_seq;
+    uhd::dict<boost::uint32_t, size_t> _rx_stream_id_to_packet_seq;
     static const size_t _mtu = 1500; //FIXME we have no idea
     static const size_t _hdrs = (2 + 14 + 20 + 8); //size of headers (pad, eth, ip, udp)
     static const size_t _max_rx_samples_per_packet =
-        (_mtu - _hdrs)/sizeof(uint32_t) -
+        (_mtu - _hdrs)/sizeof(boost::uint32_t) -
         USRP2_HOST_RX_VRT_HEADER_WORDS32 -
         USRP2_HOST_RX_VRT_TRAILER_WORDS32
     ;
     static const size_t _max_tx_samples_per_packet =
-        (_mtu - _hdrs)/sizeof(uint32_t) -
+        (_mtu - _hdrs)/sizeof(boost::uint32_t) -
         uhd::transport::vrt::max_header_words32
     ;
     uhd::transport::smart_buffer::sptr _rx_smart_buff;
@@ -128,7 +137,7 @@ private:
     uhd::transport::udp_zero_copy::sptr _data_transport;
 
     //private vars for dealing with send/recv control
-    uint32_t _ctrl_seq_num;
+    boost::uint32_t _ctrl_seq_num;
     boost::mutex _ctrl_mutex;
 
     //methods and shadows for clock configuration
@@ -156,11 +165,14 @@ private:
     void rx_dboard_get(const wax::obj &, wax::obj &);
     void rx_dboard_set(const wax::obj &, const wax::obj &);
     uhd::dict<std::string, wax_obj_proxy> _rx_dboards;
+    uhd::prop_names_t _rx_subdevs_in_use;
 
     //properties interface for tx dboard
     void tx_dboard_get(const wax::obj &, wax::obj &);
     void tx_dboard_set(const wax::obj &, const wax::obj &);
     uhd::dict<std::string, wax_obj_proxy> _tx_dboards;
+    uhd::prop_names_t _tx_subdevs_in_use;
+    void update_mux_config(void);
 
     //methods and shadows for the ddc dsp
     std::vector<size_t> _allowed_decim_and_interp_rates;