1 files changed, 85 insertions, 0 deletions
diff --git a/host/lib/rfnoc/stream_sig.cpp b/host/lib/rfnoc/stream_sig.cpp
new file mode 100644
index 000000000..3d953bcb2
--- /dev/null
+++ b/host/lib/rfnoc/stream_sig.cpp
@@ -0,0 +1,85 @@
+//
+// Copyright 2014 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/rfnoc/stream_sig.hpp>
+#include <uhd/convert.hpp>
+#include <boost/format.hpp>
+
+using namespace uhd::rfnoc;
+
+stream_sig_t::stream_sig_t() :
+    item_type(""),
+    vlen(0),
+    packet_size(0),
+    is_bursty(false)
+{
+    // nop
+}
+
+std::string stream_sig_t::to_string()
+{
+    return str(
+        boost::format(
+            "%s,vlen=%d,packet_size=%d"
+        ) % item_type % vlen % packet_size
+    );
+}
+
+std::string stream_sig_t::to_pp_string()
+{
+    return str(
+        boost::format(
+            "Data type: %s  | Vector Length: %d | Packet size: %d"
+        ) % item_type % vlen % packet_size
+    );
+}
+
+size_t stream_sig_t::get_bytes_per_item() const
+{
+    if (item_type == "") {
+        return 0;
+    }
+
+    return uhd::convert::get_bytes_per_item(item_type);
+}
+
+bool stream_sig_t::is_compatible(const stream_sig_t &output_sig, const stream_sig_t &input_sig)
+{
+    /// Item types:
+    if (not (input_sig.item_type.empty() or output_sig.item_type.empty())
+        and input_sig.item_type != output_sig.item_type) {
+        return false;
+    }
+
+    /// Vector lengths
+    if (output_sig.vlen and input_sig.vlen) {
+        if (input_sig.vlen != output_sig.vlen) {
+            return false;
+        }
+    }
+
+    /// Packet sizes
+    if (output_sig.packet_size and input_sig.packet_size) {
+        if (input_sig.packet_size != output_sig.packet_size) {
+            return false;
+        }
+    }
+
+    // You may pass
+    return true;
+}
+// vim: sw=4 et: