Added special case for empty dboard slot (none id 0xffff)

Added error handling in the dboard base classes for mishandling the none id.
Added better to string function for the dboard ids.
Added get methods for dboard classes to get their ids.

1 files changed, 3 insertions, 8 deletions

diff --git a/host/lib/usrp/dboard/id.cpp b/host/lib/usrp/dboard/id.cpp
index 80162240e..b62e469de 100644
--- a/host/lib/usrp/dboard/id.cpp
+++ b/host/lib/usrp/dboard/id.cpp
@@ -21,7 +21,7 @@
 
 using namespace uhd::usrp::dboard;
 
-std::ostream& operator<<(std::ostream &os, const dboard_id_t &id){
+std::string id::to_string(const dboard_id_t &id){
     //map the dboard ids to string representations
     uhd::dict<dboard_id_t, std::string> id_to_str;
     id_to_str[ID_NONE]     = "none";
@@ -29,11 +29,6 @@ std::ostream& operator<<(std::ostream &os, const dboard_id_t &id){
     id_to_str[ID_BASIC_RX] = "basic rx";
 
     //get the string representation
-    if (id_to_str.has_key(id)){
-        os << id_to_str[id];
-    }
-    else{
-        os << boost::format("dboard id %u") % unsigned(id);
-    }
-    return os;
+    std::string name = (id_to_str.has_key(id))? id_to_str[id] : "unknown";
+    return str(boost::format("%s (0x%.4x)") % name % id);
 }