5 files changed, 247 insertions, 0 deletions
diff --git a/gr-pager/python/pager/CMakeLists.txt b/gr-pager/python/pager/CMakeLists.txt
new file mode 100644
index 0000000000..c93573c2ad
--- /dev/null
+++ b/gr-pager/python/pager/CMakeLists.txt
@@ -0,0 +1,50 @@
+# Copyright 2011-2012 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
+    pager_utils.py
+    flex_demod.py
+    DESTINATION ${GR_PYTHON_DIR}/gnuradio/pager
+    COMPONENT "pager_python"
+)
+
+########################################################################
+# Handle the unit tests
+########################################################################
+if(ENABLE_TESTING)
+
+  set(GR_TEST_TARGET_DEPS "")
+  set(GR_TEST_LIBRARY_DIRS "")
+  set(GR_TEST_PYTHON_DIRS
+    ${CMAKE_BINARY_DIR}/gruel/src/python
+    ${CMAKE_BINARY_DIR}/gnuradio-core/src/python
+    )
+
+  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-pager/python/pager/__init__.py b/gr-pager/python/pager/__init__.py
new file mode 100644
index 0000000000..ea4856fad6
--- /dev/null
+++ b/gr-pager/python/pager/__init__.py
@@ -0,0 +1,37 @@
+#
+# Copyright 2006 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.
+#
+
+# The presence of this file turns this directory into a Python package
+
+'''
+The GNU Radio pager application.
+'''
+import os
+
+try:
+    from pager_swig import *
+except ImportError:
+    dirname, filename = os.path.split(os.path.abspath(__file__))
+    __path__.append(os.path.join(dirname, "..", "..", "swig"))
+    from pager_swig import *
+
+from flex_demod import flex_demod
+from pager_utils import *
diff --git a/gr-pager/python/pager/flex_demod.py b/gr-pager/python/pager/flex_demod.py
new file mode 100644
index 0000000000..3ed469886c
--- /dev/null
+++ b/gr-pager/python/pager/flex_demod.py
@@ -0,0 +1,66 @@
+#
+# Copyright 2006,2007 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
+from gnuradio import analog
+from gnuradio import blocks
+from gnuradio import filter
+from math import pi
+import pager_swig
+
+class flex_demod(gr.hier_block2):
+    """
+    FLEX pager protocol demodulation block.
+
+    This block demodulates a band-limited, complex down-converted baseband
+    channel into FLEX protocol frames.
+
+    """
+
+    def __init__(self, queue, freq=0.0, verbose=False, log=False):
+	gr.hier_block2.__init__(self, "flex_demod",
+				gr.io_signature(1, 1, gr.sizeof_gr_complex),
+				gr.io_signature(0,0,0))
+
+        k = 25000/(2*pi*1600)        # 4800 Hz max deviation
+        quad = analog.quadrature_demod_cf(k)
+	self.connect(self, quad)
+
+        rsamp = filter.rational_resampler_fff(16, 25)
+        self.slicer = pager_swig.slicer_fb(5e-6) # DC removal averaging filter constant
+	self.sync = pager_swig.flex_sync()
+
+        self.connect(quad, rsamp, self.slicer, self.sync)
+
+	for i in range(4):
+	    self.connect((self.sync, i), pager_swig.flex_deinterleave(), pager_swig.flex_parse(queue, freq))
+
+	if log:
+	    suffix = '_'+ "%3.3f" % (freq/1e6,) + '.dat'
+	    quad_sink = blocks.file_sink(gr.sizeof_float, 'quad'+suffix)
+	    rsamp_sink = blocks.file_sink(gr.sizeof_float, 'rsamp'+suffix)
+	    slicer_sink = blocks.file_sink(gr.sizeof_char, 'slicer'+suffix)
+	    self.connect(rsamp, rsamp_sink)
+	    self.connect(quad, quad_sink)
+	    self.connect(self.slicer, slicer_sink)
+
+    def dc_offset(self):
+	return self.slicer.dc_offset()
diff --git a/gr-pager/python/pager/pager_utils.py b/gr-pager/python/pager/pager_utils.py
new file mode 100644
index 0000000000..e935c86d4b
--- /dev/null
+++ b/gr-pager/python/pager/pager_utils.py
@@ -0,0 +1,60 @@
+#
+# Copyright 2008,2009 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 this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+
+from gnuradio import gr
+import gnuradio.gr.gr_threading as _threading
+from string import split, join, printable
+import time
+
+def make_trans_table():
+    table = 256 * ['.']
+    for i in range(256):
+        if (i < 32):
+            table[i] = '.'
+        else:
+            table[i] = chr(i)
+    return ''.join(table)
+
+_trans_table = make_trans_table()
+
+def make_printable(s):
+    return s.translate(_trans_table)
+
+
+class queue_runner(_threading.Thread):
+    def __init__(self, msgq):
+        _threading.Thread.__init__(self)
+        self.msgq = msgq
+        self.done = False
+        self.start()
+
+    def run(self):
+        while 1:
+            msg = self.msgq.delete_head() # Blocking read
+            if msg.type() != 0:
+                break
+
+            page = join(split(msg.to_string(), chr(128)), '|')
+            s = make_printable(page)
+            print msg.type(), s
+
+    def end(self):
+        self.msgq.insert_tail(gr.message(1))
+        self.done = True
diff --git a/gr-pager/python/pager/qa_pager.py b/gr-pager/python/pager/qa_pager.py
new file mode 100755
index 0000000000..dc9705e292
--- /dev/null
+++ b/gr-pager/python/pager/qa_pager.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+#
+# Copyright 2004,2006,2010 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, pager
+
+class test_pager(gr_unittest.TestCase):
+
+    def setUp (self):
+        self.tb = gr.top_block ()
+
+    def tearDown (self):
+        self.tb = None
+
+if __name__ == '__main__':
+    gr_unittest.run(test_pager, "test_pager.xml")