4 files changed, 64 insertions, 29 deletions
diff --git a/host/include/uhd/types/CMakeLists.txt b/host/include/uhd/types/CMakeLists.txt
index e4cdf2cef..dbce21c98 100644
--- a/host/include/uhd/types/CMakeLists.txt
+++ b/host/include/uhd/types/CMakeLists.txt
@@ -25,6 +25,7 @@ INSTALL(FILES
     metadata.hpp
     otw_type.hpp
     ranges.hpp
+    serial.hpp
     stream_cmd.hpp
     time_spec.hpp
     tune_result.hpp
diff --git a/host/include/uhd/types/io_type.hpp b/host/include/uhd/types/io_type.hpp
index 930394d1b..5176374d6 100644
--- a/host/include/uhd/types/io_type.hpp
+++ b/host/include/uhd/types/io_type.hpp
@@ -23,6 +23,7 @@
 namespace uhd{
 
     /*!
+     * The Input/Output configuration struct:
      * Used to specify the IO type with device send/recv.
      */
     class UHD_API io_type_t{
diff --git a/host/include/uhd/types/serial.hpp b/host/include/uhd/types/serial.hpp
new file mode 100644
index 000000000..b0fe5d7bd
--- /dev/null
+++ b/host/include/uhd/types/serial.hpp
@@ -0,0 +1,61 @@
+//
+// 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/>.
+//
+
+#ifndef INCLUDED_UHD_TYPES_SERIAL_HPP
+#define INCLUDED_UHD_TYPES_SERIAL_HPP
+
+#include <uhd/config.hpp>
+#include <boost/cstdint.hpp>
+#include <vector>
+
+namespace uhd{
+
+    /*!
+     * Byte vector typedef for passing data in and out of I2C interfaces.
+     */
+    typedef std::vector<boost::uint8_t> byte_vector_t;
+
+    /*!
+     * The SPI configuration struct:
+     * Used to configure a SPI transaction interface.
+     */
+    struct UHD_API spi_config_t{
+        /*!
+         * The edge type specifies when data is valid
+         * relative to the edge of the serial clock.
+         */
+        enum edge_t{
+            EDGE_RISE = 'r',
+            EDGE_FALL = 'f'
+        };
+
+        //! on what edge is the mosi data valid?
+        edge_t mosi_edge;
+
+        //! on what edge is the miso data valid?
+        edge_t miso_edge;
+
+        /*!
+         * Create a new spi config.
+         * \param edge the default edge for mosi and miso
+         */
+        spi_config_t(edge_t edge = EDGE_RISE);
+    };
+
+} //namespace uhd
+
+#endif /* INCLUDED_UHD_TYPES_SERIAL_HPP */
diff --git a/host/include/uhd/usrp/dboard_iface.hpp b/host/include/uhd/usrp/dboard_iface.hpp
index 71c7be200..79b8ee664 100644
--- a/host/include/uhd/usrp/dboard_iface.hpp
+++ b/host/include/uhd/usrp/dboard_iface.hpp
@@ -19,39 +19,12 @@
 #define INCLUDED_UHD_USRP_DBOARD_IFACE_HPP
 
 #include <uhd/config.hpp>
+#include <uhd/types/serial.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/cstdint.hpp>
-#include <vector>
 
 namespace uhd{ namespace usrp{
 
-//spi configuration struct
-struct UHD_API spi_config_t{
-    /*!
-     * The edge type specifies when data is valid
-     * relative to the edge of the serial clock.
-     */
-    enum edge_t{
-        EDGE_RISE = 'r',
-        EDGE_FALL = 'f'
-    };
-
-    //! on what edge is the mosi data valid?
-    edge_t mosi_edge;
-
-    //! on what edge is the miso data valid?
-    edge_t miso_edge;
-
-    /*!
-     * Create a new spi config.
-     * \param edge the default edge for mosi and miso
-     */
-    spi_config_t(edge_t edge = EDGE_RISE){
-        mosi_edge = edge;
-        miso_edge = edge;
-    }
-};
-
 /*!
  * The daughter board dboard interface to be subclassed.
  * A dboard instance interfaces with the mboard though this api.
@@ -61,7 +34,6 @@ struct UHD_API spi_config_t{
 class UHD_API dboard_iface{
 public:
     typedef boost::shared_ptr<dboard_iface> sptr;
-    typedef std::vector<boost::uint8_t> byte_vector_t;
 
     //tells the host which unit to use
     enum unit_t{