5 files changed, 150 insertions, 1 deletions
diff --git a/host/include/uhd/types/serial.hpp b/host/include/uhd/types/serial.hpp
index c134725f5..5c6de162b 100644
--- a/host/include/uhd/types/serial.hpp
+++ b/host/include/uhd/types/serial.hpp
@@ -116,6 +116,59 @@ namespace uhd{
          */
         spi_config_t(edge_t edge = EDGE_RISE);
     };
+    
+    /*!
+     * The SPI interface class.
+     * Provides routines to transact SPI and do other useful things which haven't been defined yet.
+     */
+    class UHD_API spi_iface{
+    public:
+        /*!
+        * Perform a spi transaction.
+        * \param which_slave the slave device number
+        * \param config spi config args
+        * \param data the bits to write
+        * \param num_bits how many bits in data
+        * \param readback true to readback a value
+        * \return spi data if readback set
+        */
+        virtual boost::uint32_t transact_spi(
+            int which_slave,
+            const spi_config_t &config,
+            boost::uint32_t data,
+            size_t num_bits,
+            bool readback
+        ) = 0;
+        
+        /*!
+        * Read from the SPI bus.
+        * \param which_slave the slave device number
+        * \param config spi config args
+        * \param data the bits to write out (be sure to set write bit) 
+        * \param num_bits how many bits in data
+        * \return spi data
+        */
+        virtual boost::uint32_t read_spi(
+            int which_slave,
+            const spi_config_t &config,
+            boost::uint16_t data,
+            size_t num_bits
+        );
+        
+        /*!
+        * Write to the SPI bus.
+        * \param which_slave the slave device number
+        * \param config spi config args
+        * \param data the bits to write
+        * \param num_bits how many bits in data
+        */
+        virtual void write_spi(
+            int which_slave,
+            const spi_config_t &config,
+            boost::uint16_t data,
+            size_t num_bits
+        );
+    };
 
 } //namespace uhd
 
diff --git a/host/include/uhd/usrp/CMakeLists.txt b/host/include/uhd/usrp/CMakeLists.txt
index f60b35e59..59a1302af 100644
--- a/host/include/uhd/usrp/CMakeLists.txt
+++ b/host/include/uhd/usrp/CMakeLists.txt
@@ -43,6 +43,7 @@ INSTALL(FILES
     ### interfaces ###
     single_usrp.hpp
     multi_usrp.hpp
+    mboard_iface.hpp
 
     DESTINATION ${INCLUDE_DIR}/uhd/usrp
 )
diff --git a/host/include/uhd/usrp/mboard_iface.hpp b/host/include/uhd/usrp/mboard_iface.hpp
new file mode 100644
index 000000000..cfd273232
--- /dev/null
+++ b/host/include/uhd/usrp/mboard_iface.hpp
@@ -0,0 +1,87 @@
+//
+// Copyright 2010-2011 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_USRP_MBOARD_IFACE_HPP
+#define INCLUDED_UHD_USRP_MBOARD_IFACE_HPP
+
+#include <uhd/types/serial.hpp>
+#include <uhd/usrp/mboard_eeprom.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/utility.hpp>
+#include <boost/cstdint.hpp>
+#include <utility>
+#include <string>
+
+namespace uhd{ namespace usrp{
+
+/*!
+ * The mboard interface class:
+ * Provides a set of functions to implementation layer.
+ * Including spi, peek, poke, control...
+ */
+class mboard_iface : public uhd::i2c_iface, public uhd::spi_iface {
+public:
+    typedef boost::shared_ptr<mboard_iface> sptr;
+    /*!
+     * Write a register (32 bits)
+     * \param addr the address
+     * \param data the 32bit data
+     */
+    virtual void poke32(boost::uint32_t addr, boost::uint32_t data) = 0;
+
+    /*!
+     * Read a register (32 bits)
+     * \param addr the address
+     * \return the 32bit data
+     */
+    virtual boost::uint32_t peek32(boost::uint32_t addr) = 0;
+
+    /*!
+     * Write a register (16 bits)
+     * \param addr the address
+     * \param data the 16bit data
+     */
+    virtual void poke16(boost::uint32_t addr, boost::uint16_t data) = 0;
+
+    /*!
+     * Read a register (16 bits)
+     * \param addr the address
+     * \return the 16bit data
+     */
+    virtual boost::uint16_t peek16(boost::uint32_t addr) = 0;
+
+    /*!
+     * Write to a serial port.
+     * \param dev which UART to write to
+     * \param buf the data to write
+     */
+    virtual void write_uart(boost::uint8_t dev, const std::string &buf) = 0;
+
+    /*!
+     * Read from a serial port.
+     * \param dev which UART to read from
+     * \return the data read from the serial port
+     */
+    virtual std::string read_uart(boost::uint8_t dev) = 0;
+
+    //motherboard eeprom map structure
+    uhd::usrp::mboard_eeprom_t mb_eeprom;
+};
+
+}}
+
+#endif //INCLUDED_UHD_USRP_DBOARD_IFACE_HPP
diff --git a/host/include/uhd/usrp/mboard_props.hpp b/host/include/uhd/usrp/mboard_props.hpp
index 180c4eeb3..a2580954e 100644
--- a/host/include/uhd/usrp/mboard_props.hpp
+++ b/host/include/uhd/usrp/mboard_props.hpp
@@ -47,7 +47,8 @@ namespace uhd{ namespace usrp{
         MBOARD_PROP_CLOCK_CONFIG,            //rw, clock_config_t
         MBOARD_PROP_TIME_NOW,                //rw, time_spec_t
         MBOARD_PROP_TIME_PPS,                //wo, time_spec_t
-        MBOARD_PROP_EEPROM_MAP               //wr, mboard_eeprom_t
+        MBOARD_PROP_EEPROM_MAP,              //wr, mboard_eeprom_t
+        MBOARD_PROP_IFACE,                   //ro, mboard_iface::sptr
     };
 
 }} //namespace
diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp
index b06975b6c..b161d1278 100644
--- a/host/include/uhd/usrp/multi_usrp.hpp
+++ b/host/include/uhd/usrp/multi_usrp.hpp
@@ -28,6 +28,7 @@
 #include <uhd/types/sensors.hpp>
 #include <uhd/usrp/subdev_spec.hpp>
 #include <uhd/usrp/dboard_iface.hpp>
+#include <uhd/usrp/mboard_iface.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/utility.hpp>
 #include <vector>
@@ -250,6 +251,12 @@ public:
      * \return a vector of sensor names
      */
     virtual std::vector<std::string> get_mboard_sensor_names(size_t mboard = 0) = 0;
+    
+    /*!
+     * Get a handle to the mboard_iface object which controls peripheral access.
+     * \return a mboard_iface::sptr object
+     */
+    virtual mboard_iface::sptr get_mboard_iface(size_t mboard) = 0;
 
     /*******************************************************************
      * RX methods