usrp: added subdev enabled property

the dboard manager will disable all subdevs at startup and shutdown

setting the subdev spec will enable only the subdevs in use

all dboards are currently implemented as always enabled

nothing tested

1 files changed, 17 insertions, 0 deletions

diff --git a/host/lib/usrp/misc_utils.cpp b/host/lib/usrp/misc_utils.cpp
index 5cfcdc8d3..05308baba 100644
--- a/host/lib/usrp/misc_utils.cpp
+++ b/host/lib/usrp/misc_utils.cpp
@@ -17,6 +17,7 @@
 
 #include <uhd/usrp/misc_utils.hpp>
 #include <uhd/utils/assert.hpp>
+#include <uhd/utils/algorithm.hpp>
 #include <uhd/utils/gain_group.hpp>
 #include <uhd/usrp/dboard_id.hpp>
 #include <uhd/usrp/subdev_props.hpp>
@@ -186,6 +187,22 @@ static void verify_xx_subdev_spec(
             "Validate %s subdev spec failed: %s\n    %s"
         ) % xx_type % subdev_spec.to_string() % e.what()));
     }
+
+    //now use the subdev spec to enable the subdevices in use and vice-versa
+    BOOST_FOREACH(const std::string &db_name, mboard[dboard_names_prop].as<prop_names_t>()){
+        wax::obj dboard = mboard[named_prop_t(dboard_prop, db_name)];
+        BOOST_FOREACH(const std::string &sd_name, dboard[DBOARD_PROP_SUBDEV_NAMES].as<prop_names_t>()){
+            try{
+                bool enable = std::has(subdev_spec, subdev_spec_pair_t(db_name, sd_name));
+                dboard[named_prop_t(DBOARD_PROP_SUBDEV, sd_name)][SUBDEV_PROP_ENABLED] = enable;
+            }
+            catch(const std::exception &e){
+                throw std::runtime_error(str(boost::format(
+                    "Cannot set enabled property on subdevice %s:%s\n    %s"
+                ) % db_name % sd_name % e.what()));
+            }
+        }
+    }
 }
 
 void usrp::verify_rx_subdev_spec(subdev_spec_t &subdev_spec, wax::obj mboard){