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authormanojgudi2013-10-07 14:04:07 +0530
committermanojgudi2013-10-07 14:04:07 +0530
commite9576e44ef8f0ad67d8cd8a4e025a0f8da0727f8 (patch)
tree3a77657667b4ef037f712ee68a5ec86c86cba5c5 /gr-scigen/python
parented97c528ce61496e10d612a4f5e9aef509b65ccf (diff)
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added gr-scimod block+CMake change | compiles fine
Diffstat (limited to 'gr-scigen/python')
-rw-r--r--gr-scigen/python/CMakeLists.txt46
-rw-r--r--gr-scigen/python/__init__.py52
-rw-r--r--gr-scigen/python/generic.py66
-rwxr-xr-xgr-scigen/python/qa_scigen.py58
-rw-r--r--gr-scigen/python/scigen.py1
5 files changed, 223 insertions, 0 deletions
diff --git a/gr-scigen/python/CMakeLists.txt b/gr-scigen/python/CMakeLists.txt
new file mode 100644
index 000000000..74d9a6bae
--- /dev/null
+++ b/gr-scigen/python/CMakeLists.txt
@@ -0,0 +1,46 @@
+# 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/scigen
+ COMPONENT "scigen_python"
+)
+
+########################################################################
+# Handle the unit tests
+########################################################################
+if(ENABLE_TESTING)
+
+list(APPEND GR_TEST_PYTHON_DIRS
+ ${CMAKE_BINARY_DIR}/gr-scigen/python
+)
+list(APPEND GR_TEST_TARGET_DEPS gnuradio-scigen)
+
+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-scigen/python/__init__.py b/gr-scigen/python/__init__.py
new file mode 100644
index 000000000..11a291ae4
--- /dev/null
+++ b/gr-scigen/python/__init__.py
@@ -0,0 +1,52 @@
+#
+# Copyright 2008,2009 Free Software Foundation, Inc.
+#
+# This application 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.
+#
+# This application 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.
+#
+
+# The presence of this file turns this directory into a Python package
+
+'''
+This is the GNU Radio SCIGEN module. Place your Python package
+description here (python/__init__.py).
+'''
+
+# ----------------------------------------------------------------
+# Temporary workaround for ticket:181 (swig+python problem)
+import sys
+_RTLD_GLOBAL = 0
+try:
+ from dl import RTLD_GLOBAL as _RTLD_GLOBAL
+except ImportError:
+ try:
+ from DLFCN import RTLD_GLOBAL as _RTLD_GLOBAL
+ except ImportError:
+ pass
+
+if _RTLD_GLOBAL != 0:
+ _dlopenflags = sys.getdlopenflags()
+ sys.setdlopenflags(_dlopenflags|_RTLD_GLOBAL)
+# ----------------------------------------------------------------
+
+
+# import any pure python here
+from generic import *
+#
+
+# ----------------------------------------------------------------
+# Tail of workaround
+if _RTLD_GLOBAL != 0:
+ sys.setdlopenflags(_dlopenflags) # Restore original flags
+# ----------------------------------------------------------------
diff --git a/gr-scigen/python/generic.py b/gr-scigen/python/generic.py
new file mode 100644
index 000000000..f7807fdbc
--- /dev/null
+++ b/gr-scigen/python/generic.py
@@ -0,0 +1,66 @@
+import gras
+import numpy
+
+class generic(gras.Block):
+
+ def __init__(self):
+ gras.Block.__init__(self,
+ name="generic",
+ in_sig=[numpy.float32],
+ out_sig=[numpy.float32])
+
+ def set_parameters(self,func_name,window):
+ self.n = window
+ self.func_name = func_name
+
+ # Check if value of window is integral of length of input source vector
+ # For cases like -> input = [3 , 4, 5 ,6] & window = 3
+ def isIntegralWin(self, input_item, window):
+ if (len(input_item) % window ):
+ raise Exception("Value of Window should be an integral value of length of input items")
+
+
+ def work(self, input_items, output_items):
+
+ # Limit output_items to just the size of window
+ output_items[0] = output_items[0][:self.n]
+ from scilab import Scilab
+ Sci = Scilab()
+
+ # Check number of input_instances
+ n_input_items = len(input_items)
+
+ # Create output string instance which will be evaluated
+ out_eval_string = 'eval("Sci.'+self.func_name+'('
+
+ # Iterate for n_input_items
+ for i in range(n_input_items):
+
+ # Check window condition
+ self.isIntegralWin(input_items[i][:], self.n)
+
+ # If the window is greater than 1, input_items[i][:self.n] looks like [1 2 3 4 5] which is err for python since it requires comma as delimiters
+ if self.n == 1:
+ out_eval_string = out_eval_string + str(input_items[i][:self.n]) + ","
+ else:
+ print 'IN',str(input_items[i][:self.n])
+ out_eval_string = out_eval_string + (str(input_items[i][:self.n].tolist())) + "," # Replace 10spaces with a singe comma
+
+ out_eval_string = out_eval_string.rstrip(",") + ')")'
+ print "STRING ",str(out_eval_string)
+
+ # for functions like sin
+ if n_input_items == 1 and self.n == 1:
+ output_items[0][:self.n] = eval(out_eval_string)
+ else:
+ output_items[0] = eval(out_eval_string)
+
+ print "OUT",output_items[0]
+ #print 'SIZE,', output_items[0].size
+
+ #Write a for loop for n_inputs
+ for i in range(n_input_items):
+ self.consume(i,self.n) # Consume from port 0 input_items
+
+ self.produce(0,self.n) # Produce from port 0 output_items
+
diff --git a/gr-scigen/python/qa_scigen.py b/gr-scigen/python/qa_scigen.py
new file mode 100755
index 000000000..f06dc8b5d
--- /dev/null
+++ b/gr-scigen/python/qa_scigen.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+#
+# Copyright 2013 <+YOU OR YOUR COMPANY+>.
+#
+# This 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.
+#
+# This software 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 software; 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 mymod_swig as mymod
+from generic import *
+
+
+class qa_generic (gr_unittest.TestCase):
+
+ def setUp (self):
+ self.tb = gr.top_block ()
+
+ def tearDown (self):
+ self.tb = None
+
+ def test_001_t (self):
+
+ src0 = numpy.arange(0,3.1416,1)
+
+ src0 = gr.vector_source_f(src0)
+ expected_result = (0.0, 0.8414709568023682, 0.9092974066734314, 0.14112000167369843)
+
+ sqr = generic()
+ sqr.set_parameters("sin",1)
+
+ dst = gr.vector_sink_f()
+
+ self.tb.connect(src0, (sqr,0)) # src0(vector_source) -> sqr_input_0
+ self.tb.connect(sqr,dst) # sqr_output_0 -> dst (vector_source)
+
+ self.tb.run()
+
+ result_data = dst.data()
+ print result_data, "Result data"
+
+ self.assertFloatTuplesAlmostEqual(expected_result, result_data, 6)
+
+
+if __name__ == '__main__':
+ gr_unittest.main()
diff --git a/gr-scigen/python/scigen.py b/gr-scigen/python/scigen.py
new file mode 100644
index 000000000..ca5556bc8
--- /dev/null
+++ b/gr-scigen/python/scigen.py
@@ -0,0 +1 @@
+from generic import *