uhd: setup metadata for fragment case (not in general case)

usrp2: print rev number in mboard name

3 files changed, 17 insertions, 6 deletions

diff --git a/host/lib/transport/vrt_packet_handler.hpp b/host/lib/transport/vrt_packet_handler.hpp
index c5c63b089..6623957ac 100644
--- a/host/lib/transport/vrt_packet_handler.hpp
+++ b/host/lib/transport/vrt_packet_handler.hpp
@@ -146,9 +146,6 @@ namespace vrt_packet_handler{
         const handle_overrun_t &handle_overrun,
         size_t vrt_header_offset_words32
     ){
-        metadata.has_time_spec = false; //false unless set in the helper
-        metadata.error_code = uhd::rx_metadata_t::ERROR_CODE_NONE;
-
         //perform a receive if no rx data is waiting to be copied
         if (state.size_of_copy_buffs == 0){
             state.fragment_offset_in_samps = 0;
@@ -169,11 +166,18 @@ namespace vrt_packet_handler{
                 return 0;
             }
         }
+        //defaults for the metadata when this is a fragment
+        else{
+            metadata.has_time_spec = false;
+            metadata.start_of_burst = false;
+            metadata.end_of_burst = false;
+            metadata.error_code = uhd::rx_metadata_t::ERROR_CODE_NONE;
+        }
 
         //extract the number of samples available to copy
         size_t bytes_per_item = otw_type.get_sample_size();
-        size_t bytes_available = state.size_of_copy_buffs;
-        size_t nsamps_to_copy = std::min(total_samps, bytes_available/bytes_per_item);
+        size_t nsamps_available = state.size_of_copy_buffs/bytes_per_item;
+        size_t nsamps_to_copy = std::min(total_samps, nsamps_available);
         size_t bytes_to_copy = nsamps_to_copy*bytes_per_item;
 
         for (size_t i = 0; i < state.width; i++){
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index b46832360..7518d3114 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -43,6 +43,12 @@ usrp2_mboard_impl::usrp2_mboard_impl(
 {
     //make a new interface for usrp2 stuff
     _iface = usrp2_iface::make(ctrl_transport);
+
+    //extract the mboard rev numbers
+    _rev_lo = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_REV_LSB, 1).at(0);
+    _rev_hi = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_REV_MSB, 1).at(0);
+
+    //contruct the interfaces to mboard perifs
     _clock_ctrl = usrp2_clock_ctrl::make(_iface);
     _codec_ctrl = usrp2_codec_ctrl::make(_iface);
     _serdes_ctrl = usrp2_serdes_ctrl::make(_iface);
@@ -184,7 +190,7 @@ void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
     //handle the get request conditioned on the key
     switch(key.as<mboard_prop_t>()){
     case MBOARD_PROP_NAME:
-        val = str(boost::format("usrp2 mboard %d") % _index);
+        val = str(boost::format("usrp2 mboard%d - rev %d:%d") % _index % _rev_hi % _rev_lo);
         return;
 
     case MBOARD_PROP_OTHERS:{
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index 186516447..ab23830c0 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -137,6 +137,7 @@ public:
 
 private:
     size_t _index;
+    int _rev_hi, _rev_lo;
     const usrp2_io_helper &_io_helper;
 
     //properties for this mboard