added copyrights

38 files changed, 646 insertions, 0 deletions

diff --git a/usrp2/sdr_lib/acc.v b/usrp2/sdr_lib/acc.v
index a2da9c86d..d5fc4b910 100644
--- a/usrp2/sdr_lib/acc.v
+++ b/usrp2/sdr_lib/acc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module acc
   #(parameter IWIDTH=16, OWIDTH=30)
diff --git a/usrp2/sdr_lib/add2.v b/usrp2/sdr_lib/add2.v
index 13fff803e..dcca84fd3 100644
--- a/usrp2/sdr_lib/add2.v
+++ b/usrp2/sdr_lib/add2.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module add2
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_and_round.v b/usrp2/sdr_lib/add2_and_round.v
index 146af28da..7c347527c 100644
--- a/usrp2/sdr_lib/add2_and_round.v
+++ b/usrp2/sdr_lib/add2_and_round.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module add2_and_round
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_and_round_reg.v b/usrp2/sdr_lib/add2_and_round_reg.v
index e7fcbf1a1..5c783bda3 100644
--- a/usrp2/sdr_lib/add2_and_round_reg.v
+++ b/usrp2/sdr_lib/add2_and_round_reg.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module add2_and_round_reg
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/add2_reg.v b/usrp2/sdr_lib/add2_reg.v
index 456cf315b..58d822a61 100644
--- a/usrp2/sdr_lib/add2_reg.v
+++ b/usrp2/sdr_lib/add2_reg.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module add2_reg
   #(parameter WIDTH=16)
diff --git a/usrp2/sdr_lib/dsp_core_rx.v b/usrp2/sdr_lib/dsp_core_rx.v
index a315234cf..0e69e53f7 100644
--- a/usrp2/sdr_lib/dsp_core_rx.v
+++ b/usrp2/sdr_lib/dsp_core_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module dsp_core_rx
   #(parameter BASE = 160)
diff --git a/usrp2/sdr_lib/dsp_core_rx_old.v b/usrp2/sdr_lib/dsp_core_rx_old.v
index ba301e91b..90d5d839f 100644
--- a/usrp2/sdr_lib/dsp_core_rx_old.v
+++ b/usrp2/sdr_lib/dsp_core_rx_old.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 module dsp_core_rx_old
diff --git a/usrp2/sdr_lib/dsp_core_rx_udp.v b/usrp2/sdr_lib/dsp_core_rx_udp.v
index 1e689fc7f..08dab37e6 100644
--- a/usrp2/sdr_lib/dsp_core_rx_udp.v
+++ b/usrp2/sdr_lib/dsp_core_rx_udp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module dsp_core_rx
   #(parameter BASE = 160)
diff --git a/usrp2/sdr_lib/dsp_core_tx.v b/usrp2/sdr_lib/dsp_core_tx.v
index 79d92c9b3..58bd82f6e 100644
--- a/usrp2/sdr_lib/dsp_core_tx.v
+++ b/usrp2/sdr_lib/dsp_core_tx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module dsp_core_tx
   #(parameter BASE=0)
diff --git a/usrp2/sdr_lib/dummy_rx.v b/usrp2/sdr_lib/dummy_rx.v
index 99290ecec..b22d5f896 100644
--- a/usrp2/sdr_lib/dummy_rx.v
+++ b/usrp2/sdr_lib/dummy_rx.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 module dummy_rx
diff --git a/usrp2/sdr_lib/halfband_ideal.v b/usrp2/sdr_lib/halfband_ideal.v
index 484cfff2a..e0b04cf86 100644
--- a/usrp2/sdr_lib/halfband_ideal.v
+++ b/usrp2/sdr_lib/halfband_ideal.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module halfband_ideal (
     input                           clock,
     input                           reset,
diff --git a/usrp2/sdr_lib/halfband_tb.v b/usrp2/sdr_lib/halfband_tb.v
index 231dd00d7..80f46fe36 100644
--- a/usrp2/sdr_lib/halfband_tb.v
+++ b/usrp2/sdr_lib/halfband_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module halfband_tb( ) ;
     
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb/acc.v b/usrp2/sdr_lib/hb/acc.v
index 195d5ea94..d7be895c6 100644
--- a/usrp2/sdr_lib/hb/acc.v
+++ b/usrp2/sdr_lib/hb/acc.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module acc (input clock, input reset, input clear, input enable_in, output reg enable_out,
diff --git a/usrp2/sdr_lib/hb/coeff_ram.v b/usrp2/sdr_lib/hb/coeff_ram.v
index 65460822f..525c22abc 100644
--- a/usrp2/sdr_lib/hb/coeff_ram.v
+++ b/usrp2/sdr_lib/hb/coeff_ram.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module coeff_ram (input clock, input [3:0] rd_addr, output reg [15:0] rd_data);
diff --git a/usrp2/sdr_lib/hb/coeff_rom.v b/usrp2/sdr_lib/hb/coeff_rom.v
index 7f8886b4e..a43c8391a 100644
--- a/usrp2/sdr_lib/hb/coeff_rom.v
+++ b/usrp2/sdr_lib/hb/coeff_rom.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module coeff_rom (input clock, input [2:0] addr, output reg [15:0] data);
diff --git a/usrp2/sdr_lib/hb/halfband_interp.v b/usrp2/sdr_lib/hb/halfband_interp.v
index cdb11c1f6..83bdc9fad 100644
--- a/usrp2/sdr_lib/hb/halfband_interp.v
+++ b/usrp2/sdr_lib/hb/halfband_interp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module halfband_interp 
diff --git a/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v b/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
index 01ab5e7e0..450f90e66 100644
--- a/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
+++ b/usrp2/sdr_lib/hb/hbd_tb/test_hbd.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module test_hbd();
diff --git a/usrp2/sdr_lib/hb/mac.v b/usrp2/sdr_lib/hb/mac.v
index 5a270bc73..8058a6db4 100644
--- a/usrp2/sdr_lib/hb/mac.v
+++ b/usrp2/sdr_lib/hb/mac.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module mac (input clock, input reset, input enable, input clear,
diff --git a/usrp2/sdr_lib/hb/mult.v b/usrp2/sdr_lib/hb/mult.v
index a8d4cb1b7..a50ae69e2 100644
--- a/usrp2/sdr_lib/hb/mult.v
+++ b/usrp2/sdr_lib/hb/mult.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module mult (input clock, input signed [15:0] x, input signed [15:0] y, output reg signed [30:0] product,
diff --git a/usrp2/sdr_lib/hb/ram16_2port.v b/usrp2/sdr_lib/hb/ram16_2port.v
index e1761a926..631cf5a41 100644
--- a/usrp2/sdr_lib/hb/ram16_2port.v
+++ b/usrp2/sdr_lib/hb/ram16_2port.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module ram16_2port (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb/ram16_2sum.v b/usrp2/sdr_lib/hb/ram16_2sum.v
index 559b06fd5..f9ec1837e 100644
--- a/usrp2/sdr_lib/hb/ram16_2sum.v
+++ b/usrp2/sdr_lib/hb/ram16_2sum.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module ram16_2sum (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb/ram32_2sum.v b/usrp2/sdr_lib/hb/ram32_2sum.v
index d1f55b7d0..f7032835e 100644
--- a/usrp2/sdr_lib/hb/ram32_2sum.v
+++ b/usrp2/sdr_lib/hb/ram32_2sum.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module ram32_2sum (input clock, input write, 
diff --git a/usrp2/sdr_lib/hb_dec.v b/usrp2/sdr_lib/hb_dec.v
index 8fb5ba222..9747f0adb 100644
--- a/usrp2/sdr_lib/hb_dec.v
+++ b/usrp2/sdr_lib/hb_dec.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 // Final halfband decimator 
 // Implements impulse responses of the form [A 0 B 0 C .. 0 H 0.5 H 0 .. C 0 B 0 A]
 // Strobe in cannot come faster than every 2nd clock cycle
diff --git a/usrp2/sdr_lib/hb_dec_tb.v b/usrp2/sdr_lib/hb_dec_tb.v
index 3e5faa80a..256f6085d 100644
--- a/usrp2/sdr_lib/hb_dec_tb.v
+++ b/usrp2/sdr_lib/hb_dec_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module hb_dec_tb( ) ;
    
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb_interp.v b/usrp2/sdr_lib/hb_interp.v
index d16807e15..deb4fe056 100644
--- a/usrp2/sdr_lib/hb_interp.v
+++ b/usrp2/sdr_lib/hb_interp.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 // First halfband iterpolator 
 // Implements impulse responses of the form [A 0 B 0 C .. 0 H 0.5 H 0 .. C 0 B 0 A]
 // Strobe in cannot come faster than every 4th clock cycle, 
diff --git a/usrp2/sdr_lib/hb_interp_tb.v b/usrp2/sdr_lib/hb_interp_tb.v
index 52f137f28..239412155 100644
--- a/usrp2/sdr_lib/hb_interp_tb.v
+++ b/usrp2/sdr_lib/hb_interp_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module hb_interp_tb( ) ;
    
    // Parameters for instantiation
diff --git a/usrp2/sdr_lib/hb_tb.v b/usrp2/sdr_lib/hb_tb.v
index 7e960fd13..3260ac738 100644
--- a/usrp2/sdr_lib/hb_tb.v
+++ b/usrp2/sdr_lib/hb_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 module hb_tb();
 
diff --git a/usrp2/sdr_lib/integrate.v b/usrp2/sdr_lib/integrate.v
index db33de979..ce674d470 100644
--- a/usrp2/sdr_lib/integrate.v
+++ b/usrp2/sdr_lib/integrate.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module integrate
   #(parameter INPUTW = 16,
     parameter ACCUMW = 32,
diff --git a/usrp2/sdr_lib/med_hb_int.v b/usrp2/sdr_lib/med_hb_int.v
index bc8066509..f619dc81b 100644
--- a/usrp2/sdr_lib/med_hb_int.v
+++ b/usrp2/sdr_lib/med_hb_int.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 // Medium halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0 C 0 D 0.5 D 0 C 0 B 0 A]
 //
diff --git a/usrp2/sdr_lib/rssi.v b/usrp2/sdr_lib/rssi.v
index e45e2148c..e931ff865 100644
--- a/usrp2/sdr_lib/rssi.v
+++ b/usrp2/sdr_lib/rssi.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module rssi (input clock, input reset, input enable,
diff --git a/usrp2/sdr_lib/rx_control.v b/usrp2/sdr_lib/rx_control.v
index 0adeb0794..12f411ffe 100644
--- a/usrp2/sdr_lib/rx_control.v
+++ b/usrp2/sdr_lib/rx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 `define DSP_CORE_RX_BASE 160
 
diff --git a/usrp2/sdr_lib/rx_dcoffset.v b/usrp2/sdr_lib/rx_dcoffset.v
index bedbd40e6..64ff4110d 100644
--- a/usrp2/sdr_lib/rx_dcoffset.v
+++ b/usrp2/sdr_lib/rx_dcoffset.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 
 module rx_dcoffset 
diff --git a/usrp2/sdr_lib/rx_dcoffset_tb.v b/usrp2/sdr_lib/rx_dcoffset_tb.v
index a8b4ec20f..b0dd8cb05 100644
--- a/usrp2/sdr_lib/rx_dcoffset_tb.v
+++ b/usrp2/sdr_lib/rx_dcoffset_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 `timescale 1ns/1ns
 module rx_dcoffset_tb();
diff --git a/usrp2/sdr_lib/small_hb_dec.v b/usrp2/sdr_lib/small_hb_dec.v
index 8519b628a..151b8c287 100644
--- a/usrp2/sdr_lib/small_hb_dec.v
+++ b/usrp2/sdr_lib/small_hb_dec.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 // Short halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0.5 B 0 A]
 //
diff --git a/usrp2/sdr_lib/small_hb_dec_tb.v b/usrp2/sdr_lib/small_hb_dec_tb.v
index 0d6a0689e..1e713321a 100644
--- a/usrp2/sdr_lib/small_hb_dec_tb.v
+++ b/usrp2/sdr_lib/small_hb_dec_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module hb_dec_tb( ) ;
    
     // Parameters for instantiation
diff --git a/usrp2/sdr_lib/small_hb_int.v b/usrp2/sdr_lib/small_hb_int.v
index f80d3cac3..387f9e1cb 100644
--- a/usrp2/sdr_lib/small_hb_int.v
+++ b/usrp2/sdr_lib/small_hb_int.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 // Short halfband decimator (intended to be followed by another stage)
 // Implements impulse responses of the form [A 0 B 0.5 B 0 A]
 //
diff --git a/usrp2/sdr_lib/small_hb_int_tb.v b/usrp2/sdr_lib/small_hb_int_tb.v
index 71d77f0a8..fe1e1a7dd 100644
--- a/usrp2/sdr_lib/small_hb_int_tb.v
+++ b/usrp2/sdr_lib/small_hb_int_tb.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 module small_hb_int_tb( ) ;
    
    // Parameters for instantiation
diff --git a/usrp2/sdr_lib/tx_control.v b/usrp2/sdr_lib/tx_control.v
index e5fed0b93..e6866a40c 100644
--- a/usrp2/sdr_lib/tx_control.v
+++ b/usrp2/sdr_lib/tx_control.v
@@ -1,3 +1,20 @@
+//
+// Copyright 2011 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/>.
+//
+
 
 `define DSP_CORE_TX_BASE 128