4 files changed, 199 insertions, 0 deletions
diff --git a/gr-channels/python/CMakeLists.txt b/gr-channels/python/CMakeLists.txt
new file mode 100644
index 0000000000..ee58d5b164
--- /dev/null
+++ b/gr-channels/python/CMakeLists.txt
@@ -0,0 +1,49 @@
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+
+########################################################################
+include(GrPython)
+
+GR_PYTHON_INSTALL(
+    FILES
+    __init__.py
+    DESTINATION ${GR_PYTHON_DIR}/gnuradio/channels
+    COMPONENT "channels_python"
+)
+
+########################################################################
+# Handle the unit tests
+########################################################################
+if(ENABLE_TESTING)
+
+list(APPEND GR_TEST_PYTHON_DIRS
+    ${CMAKE_BINARY_DIR}/gr-channels/python
+    ${CMAKE_BINARY_DIR}/gr-channels/swig
+    ${CMAKE_BINARY_DIR}/gr-analog/python
+    ${CMAKE_BINARY_DIR}/gr-analog/swig
+)
+list(APPEND GR_TEST_TARGET_DEPS gnuradio-channels gnuradio-analog gnuradio-blocks)
+
+include(GrTest)
+file(GLOB py_qa_test_files "qa_*.py")
+foreach(py_qa_test_file ${py_qa_test_files})
+    get_filename_component(py_qa_test_name ${py_qa_test_file} NAME_WE)
+    GR_ADD_TEST(${py_qa_test_name} ${PYTHON_EXECUTABLE} ${PYTHON_DASH_B} ${py_qa_test_file})
+endforeach(py_qa_test_file)
+endif(ENABLE_TESTING)
diff --git a/gr-channels/python/__init__.py b/gr-channels/python/__init__.py
new file mode 100644
index 0000000000..da50a05fc4
--- /dev/null
+++ b/gr-channels/python/__init__.py
@@ -0,0 +1,27 @@
+#
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+'''
+This is the gr-channels package. This package provides GNU Radio
+processing blocks for channel models and related functions.
+'''
+
+from channels_swig import *
diff --git a/gr-channels/python/qa_channel_model.py b/gr-channels/python/qa_channel_model.py
new file mode 100755
index 0000000000..0a99477097
--- /dev/null
+++ b/gr-channels/python/qa_channel_model.py
@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import channels_swig as channels
+import math
+
+class test_channel_model(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_000(self):
+        N = 1000         # number of samples to use
+        fs = 1000        # baseband sampling rate
+        freq = 100
+
+        signal = analog.sig_source_c(fs, analog.GR_SIN_WAVE, freq, 1)
+        head = gr.head(gr.sizeof_gr_complex, N)
+        op = channels.channel_model(0.0, 0.0, 1.0, [1,], 0)
+        snk = gr.vector_sink_c()
+        snk1 = gr.vector_sink_c()
+
+        op.set_noise_voltage(0.0)
+        op.set_frequency_offset(0.0)
+        op.set_taps([1,])
+        op.set_timing_offset(1.0)
+
+        self.tb.connect(signal, head, op, snk)
+        self.tb.connect(op, snk1)
+        self.tb.run() 
+        
+        dst_data = snk.data()
+        exp_data = snk1.data()
+        self.assertComplexTuplesAlmostEqual(exp_data, dst_data, 5)
+        
+if __name__ == '__main__':
+    gr_unittest.run(test_channel_model, "test_channel_model.xml")
diff --git a/gr-channels/python/qa_fading_model.py b/gr-channels/python/qa_fading_model.py
new file mode 100644
index 0000000000..e8a066ccb5
--- /dev/null
+++ b/gr-channels/python/qa_fading_model.py
@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr, gr_unittest
+import analog_swig as analog
+import channels_swig as channels
+import math
+
+class test_fading_model(gr_unittest.TestCase):
+
+    def setUp(self):
+        self.tb = gr.top_block()
+
+    def tearDown(self):
+        self.tb = None
+
+    def test_000(self):
+        N = 1000         # number of samples to use
+        fs = 1000        # baseband sampling rate
+        freq = 100
+
+        fDTs = 0.01
+        K = 4
+        signal = analog.sig_source_c(fs, analog.GR_SIN_WAVE, freq, 1)
+        head = gr.head(gr.sizeof_gr_complex, N)
+        op = channels.fading_model(8, fDTs=fDTs, LOS=True,
+                                   K=K, seed=0)
+        snk = gr.vector_sink_c()
+        snk1 = gr.vector_sink_c()
+
+        self.assertAlmostEqual(K, op.K(), 4)
+        self.assertAlmostEqual(fDTs, op.fDTs(), 4)
+
+        #self.tb.connect(signal, head, op, snk)
+        #self.tb.connect(op, snk1)
+        #self.tb.run() 
+        
+        #dst_data = snk.data()
+        #exp_data = snk1.data()
+        #self.assertComplexTuplesAlmostEqual(exp_data, dst_data, 5)
+        
+if __name__ == '__main__':
+    gr_unittest.run(test_fading_model, "test_fading_model.xml")