1 files changed, 111 insertions, 0 deletions
diff --git a/host/lib/usrp/mboard/usrp2/dsp_impl.cpp b/host/lib/usrp/mboard/usrp2/dsp_impl.cpp
new file mode 100644
index 000000000..3c2471eb6
--- /dev/null
+++ b/host/lib/usrp/mboard/usrp2/dsp_impl.cpp
@@ -0,0 +1,111 @@
+//
+// 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/utils.hpp>
+#include <uhd/props.hpp>
+#include <boost/assign/list_of.hpp>
+#include "usrp2_impl.hpp"
+
+using namespace uhd;
+
+/***********************************************************************
+ * Helper Methods
+ **********************************************************************/
+void usrp2_impl::ddc_init(size_t which){
+    //create the ddc in the rx dsp dict
+    _rx_dsps[str(boost::format("ddc%d") % which)] = wax_obj_proxy(
+        boost::bind(&usrp2_impl::ddc_get, this, _1, _2, which),
+        boost::bind(&usrp2_impl::ddc_set, this, _1, _2, which)
+    );
+
+    //initial config and update
+    _ddc_decim[which] = 16;
+    _ddc_freq[which] = 0;
+    update_ddc_config(which);
+}
+
+void usrp2_impl::update_ddc_config(size_t){
+    //TODO
+}
+
+/***********************************************************************
+ * DDC Properties
+ **********************************************************************/
+void usrp2_impl::ddc_get(const wax::obj &key, wax::obj &val, size_t which){
+    //handle the case where the key is an expected dsp property
+    if (key.type() == typeid(dsp_prop_t)){
+        switch(wax::cast<dsp_prop_t>(key)){
+        case DSP_PROP_NAME:
+            val = str(boost::format("usrp2 ddc%d") % which);
+            return;
+
+        case DSP_PROP_OTHERS:{
+                prop_names_t others = boost::assign::list_of
+                    ("rate")
+                    ("decim")
+                    ("freq")
+                ;
+                val = others;
+            }
+            return;
+        }
+    }
+
+    //handle string-based properties specific to this dsp
+    std::string key_name = wax::cast<std::string>(key);
+    if (key_name == "rate"){
+        val = get_master_clock_freq();
+        return;
+    }
+    if (key_name == "decim"){
+        val = _ddc_decim[which];
+        return;
+    }
+    if (key_name == "freq"){
+        val = _ddc_freq[which];
+        return;
+    }
+
+    throw std::invalid_argument(str(
+        boost::format("error getting: unknown key with name %s") % key_name
+    ));
+}
+
+void usrp2_impl::ddc_set(const wax::obj &key, const wax::obj &val, size_t which){
+    //handle string-based properties specific to this dsp
+    std::string key_name = wax::cast<std::string>(key);
+    if (key_name == "decim"){
+        size_t new_decim = wax::cast<size_t>(val);
+        _ddc_decim[which] = new_decim; //shadow
+        update_ddc_config(which);
+        return;
+    }
+    if (key_name == "freq"){
+        freq_t new_freq = wax::cast<freq_t>(val);
+        _ddc_freq[which] = new_freq; //shadow
+        update_ddc_config(which);
+        return;
+    }
+
+    throw std::invalid_argument(str(
+        boost::format("error setting: unknown key with name %s") % key_name
+    ));
+}
+
+/***********************************************************************
+ * DUC Properties
+ **********************************************************************/