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-rw-r--r--gr-howto-write-a-block-cmake/lib/CMakeLists.txt64
-rw-r--r--gr-howto-write-a-block-cmake/lib/howto_api.h33
-rw-r--r--gr-howto-write-a-block-cmake/lib/howto_square2_ff.cc92
-rw-r--r--gr-howto-write-a-block-cmake/lib/howto_square2_ff.h78
-rw-r--r--gr-howto-write-a-block-cmake/lib/howto_square_ff.cc98
-rw-r--r--gr-howto-write-a-block-cmake/lib/howto_square_ff.h79
-rw-r--r--gr-howto-write-a-block-cmake/lib/qa_howto_square2_ff.cc32
-rw-r--r--gr-howto-write-a-block-cmake/lib/qa_howto_square_ff.cc32
8 files changed, 508 insertions, 0 deletions
diff --git a/gr-howto-write-a-block-cmake/lib/CMakeLists.txt b/gr-howto-write-a-block-cmake/lib/CMakeLists.txt
new file mode 100644
index 000000000..a2b6da950
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/CMakeLists.txt
@@ -0,0 +1,64 @@
+# Copyright 2011 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.
+
+########################################################################
+# Setup library
+########################################################################
+INCLUDE(GrPlatform) #define LIB_SUFFIX
+
+ADD_LIBRARY(gnuradio-howto SHARED howto_square_ff.cc howto_square2_ff.cc)
+TARGET_LINK_LIBRARIES(gnuradio-howto ${Boost_LIBRARIES} ${GRUEL_LIBRARIES} ${GNURADIO_CORE_LIBRARIES})
+SET_TARGET_PROPERTIES(gnuradio-howto PROPERTIES DEFINE_SYMBOL "gnuradio_howto_EXPORTS")
+
+########################################################################
+# Install built library files
+########################################################################
+INSTALL(TARGETS gnuradio-howto
+ LIBRARY DESTINATION lib${LIB_SUFFIX} # .so/.dylib file
+ ARCHIVE DESTINATION lib${LIB_SUFFIX} # .lib file
+ RUNTIME DESTINATION bin # .dll file
+)
+
+########################################################################
+# Install public header files
+########################################################################
+INSTALL(FILES
+ howto_api.h
+ howto_square_ff.h
+ howto_square2_ff.h
+ DESTINATION include/howto
+)
+
+########################################################################
+# Build and register unit test
+########################################################################
+FIND_PACKAGE(Boost COMPONENTS unit_test_framework)
+
+INCLUDE(GrTest)
+SET(GR_TEST_TARGET_DEPS gnuradio-howto)
+#turn each test cpp file into an executable with an int main() function
+ADD_DEFINITIONS(-DBOOST_TEST_DYN_LINK -DBOOST_TEST_MAIN)
+
+ADD_EXECUTABLE(qa_howto_square_ff qa_howto_square_ff.cc)
+TARGET_LINK_LIBRARIES(qa_howto_square_ff gnuradio-howto ${Boost_LIBRARIES})
+GR_ADD_TEST(qa_howto_square_ff qa_howto_square_ff)
+
+ADD_EXECUTABLE(qa_howto_square2_ff qa_howto_square2_ff.cc)
+TARGET_LINK_LIBRARIES(qa_howto_square2_ff gnuradio-howto ${Boost_LIBRARIES})
+GR_ADD_TEST(qa_howto_square2_ff qa_howto_square2_ff)
diff --git a/gr-howto-write-a-block-cmake/lib/howto_api.h b/gr-howto-write-a-block-cmake/lib/howto_api.h
new file mode 100644
index 000000000..5263a1cf7
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/howto_api.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2011 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.
+ */
+
+#ifndef INCLUDED_HOWTO_API_H
+#define INCLUDED_HOWTO_API_H
+
+#include <gruel/attributes.h>
+
+#ifdef gnuradio_howto_EXPORTS
+# define HOWTO_API __GR_ATTR_EXPORT
+#else
+# define HOWTO_API __GR_ATTR_IMPORT
+#endif
+
+#endif /* INCLUDED_HOWTO_API_H */
diff --git a/gr-howto-write-a-block-cmake/lib/howto_square2_ff.cc b/gr-howto-write-a-block-cmake/lib/howto_square2_ff.cc
new file mode 100644
index 000000000..5e0fd7a43
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/howto_square2_ff.cc
@@ -0,0 +1,92 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2010 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.
+ */
+
+/*
+ * config.h is generated by configure. It contains the results
+ * of probing for features, options etc. It should be the first
+ * file included in your .cc file.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <howto_square2_ff.h>
+#include <gr_io_signature.h>
+
+/*
+ * Create a new instance of howto_square2_ff and return
+ * a boost shared_ptr. This is effectively the public constructor.
+ */
+howto_square2_ff_sptr
+howto_make_square2_ff ()
+{
+ return gnuradio::get_initial_sptr(new howto_square2_ff ());
+}
+
+/*
+ * Specify constraints on number of input and output streams.
+ * This info is used to construct the input and output signatures
+ * (2nd & 3rd args to gr_block's constructor). The input and
+ * output signatures are used by the runtime system to
+ * check that a valid number and type of inputs and outputs
+ * are connected to this block. In this case, we accept
+ * only 1 input and 1 output.
+ */
+static const int MIN_IN = 1; // mininum number of input streams
+static const int MAX_IN = 1; // maximum number of input streams
+static const int MIN_OUT = 1; // minimum number of output streams
+static const int MAX_OUT = 1; // maximum number of output streams
+
+/*
+ * The private constructor
+ */
+howto_square2_ff::howto_square2_ff ()
+ : gr_sync_block ("square2_ff",
+ gr_make_io_signature (MIN_IN, MAX_IN, sizeof (float)),
+ gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (float)))
+{
+ // nothing else required in this example
+}
+
+/*
+ * Our virtual destructor.
+ */
+howto_square2_ff::~howto_square2_ff ()
+{
+ // nothing else required in this example
+}
+
+int
+howto_square2_ff::work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ const float *in = (const float *) input_items[0];
+ float *out = (float *) output_items[0];
+
+ for (int i = 0; i < noutput_items; i++){
+ out[i] = in[i] * in[i];
+ }
+
+ // Tell runtime system how many output items we produced.
+ return noutput_items;
+}
diff --git a/gr-howto-write-a-block-cmake/lib/howto_square2_ff.h b/gr-howto-write-a-block-cmake/lib/howto_square2_ff.h
new file mode 100644
index 000000000..c45a1851f
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/howto_square2_ff.h
@@ -0,0 +1,78 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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.
+ */
+#ifndef INCLUDED_HOWTO_SQUARE2_FF_H
+#define INCLUDED_HOWTO_SQUARE2_FF_H
+
+#include <howto_api.h>
+#include <gr_sync_block.h>
+
+class howto_square2_ff;
+
+/*
+ * We use boost::shared_ptr's instead of raw pointers for all access
+ * to gr_blocks (and many other data structures). The shared_ptr gets
+ * us transparent reference counting, which greatly simplifies storage
+ * management issues. This is especially helpful in our hybrid
+ * C++ / Python system.
+ *
+ * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
+ *
+ * As a convention, the _sptr suffix indicates a boost::shared_ptr
+ */
+typedef boost::shared_ptr<howto_square2_ff> howto_square2_ff_sptr;
+
+/*!
+ * \brief Return a shared_ptr to a new instance of howto_square2_ff.
+ *
+ * To avoid accidental use of raw pointers, howto_square2_ff's
+ * constructor is private. howto_make_square2_ff is the public
+ * interface for creating new instances.
+ */
+HOWTO_API howto_square2_ff_sptr howto_make_square2_ff ();
+
+/*!
+ * \brief square2 a stream of floats.
+ * \ingroup block
+ *
+ * This uses the preferred technique: subclassing gr_sync_block.
+ */
+class HOWTO_API howto_square2_ff : public gr_sync_block
+{
+private:
+ // The friend declaration allows howto_make_square2_ff to
+ // access the private constructor.
+
+ friend HOWTO_API howto_square2_ff_sptr howto_make_square2_ff ();
+
+ howto_square2_ff (); // private constructor
+
+ public:
+ ~howto_square2_ff (); // public destructor
+
+ // Where all the action really happens
+
+ int work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_HOWTO_SQUARE2_FF_H */
diff --git a/gr-howto-write-a-block-cmake/lib/howto_square_ff.cc b/gr-howto-write-a-block-cmake/lib/howto_square_ff.cc
new file mode 100644
index 000000000..f1d5a7848
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/howto_square_ff.cc
@@ -0,0 +1,98 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2010 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.
+ */
+
+/*
+ * config.h is generated by configure. It contains the results
+ * of probing for features, options etc. It should be the first
+ * file included in your .cc file.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <howto_square_ff.h>
+#include <gr_io_signature.h>
+
+/*
+ * Create a new instance of howto_square_ff and return
+ * a boost shared_ptr. This is effectively the public constructor.
+ */
+howto_square_ff_sptr
+howto_make_square_ff ()
+{
+ return gnuradio::get_initial_sptr(new howto_square_ff ());
+}
+
+/*
+ * Specify constraints on number of input and output streams.
+ * This info is used to construct the input and output signatures
+ * (2nd & 3rd args to gr_block's constructor). The input and
+ * output signatures are used by the runtime system to
+ * check that a valid number and type of inputs and outputs
+ * are connected to this block. In this case, we accept
+ * only 1 input and 1 output.
+ */
+static const int MIN_IN = 1; // mininum number of input streams
+static const int MAX_IN = 1; // maximum number of input streams
+static const int MIN_OUT = 1; // minimum number of output streams
+static const int MAX_OUT = 1; // maximum number of output streams
+
+/*
+ * The private constructor
+ */
+howto_square_ff::howto_square_ff ()
+ : gr_block ("square_ff",
+ gr_make_io_signature (MIN_IN, MAX_IN, sizeof (float)),
+ gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (float)))
+{
+ // nothing else required in this example
+}
+
+/*
+ * Our virtual destructor.
+ */
+howto_square_ff::~howto_square_ff ()
+{
+ // nothing else required in this example
+}
+
+int
+howto_square_ff::general_work (int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ const float *in = (const float *) input_items[0];
+ float *out = (float *) output_items[0];
+
+ for (int i = 0; i < noutput_items; i++){
+ out[i] = in[i] * in[i];
+ }
+
+ // Tell runtime system how many input items we consumed on
+ // each input stream.
+
+ consume_each (noutput_items);
+
+ // Tell runtime system how many output items we produced.
+ return noutput_items;
+}
diff --git a/gr-howto-write-a-block-cmake/lib/howto_square_ff.h b/gr-howto-write-a-block-cmake/lib/howto_square_ff.h
new file mode 100644
index 000000000..f07a1d4f6
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/howto_square_ff.h
@@ -0,0 +1,79 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004 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.
+ */
+#ifndef INCLUDED_HOWTO_SQUARE_FF_H
+#define INCLUDED_HOWTO_SQUARE_FF_H
+
+#include <howto_api.h>
+#include <gr_block.h>
+
+class howto_square_ff;
+
+/*
+ * We use boost::shared_ptr's instead of raw pointers for all access
+ * to gr_blocks (and many other data structures). The shared_ptr gets
+ * us transparent reference counting, which greatly simplifies storage
+ * management issues. This is especially helpful in our hybrid
+ * C++ / Python system.
+ *
+ * See http://www.boost.org/libs/smart_ptr/smart_ptr.htm
+ *
+ * As a convention, the _sptr suffix indicates a boost::shared_ptr
+ */
+typedef boost::shared_ptr<howto_square_ff> howto_square_ff_sptr;
+
+/*!
+ * \brief Return a shared_ptr to a new instance of howto_square_ff.
+ *
+ * To avoid accidental use of raw pointers, howto_square_ff's
+ * constructor is private. howto_make_square_ff is the public
+ * interface for creating new instances.
+ */
+HOWTO_API howto_square_ff_sptr howto_make_square_ff ();
+
+/*!
+ * \brief square a stream of floats.
+ * \ingroup block
+ *
+ * \sa howto_square2_ff for a version that subclasses gr_sync_block.
+ */
+class HOWTO_API howto_square_ff : public gr_block
+{
+private:
+ // The friend declaration allows howto_make_square_ff to
+ // access the private constructor.
+
+ friend HOWTO_API howto_square_ff_sptr howto_make_square_ff ();
+
+ howto_square_ff (); // private constructor
+
+ public:
+ ~howto_square_ff (); // public destructor
+
+ // Where all the action really happens
+
+ int general_work (int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_HOWTO_SQUARE_FF_H */
diff --git a/gr-howto-write-a-block-cmake/lib/qa_howto_square2_ff.cc b/gr-howto-write-a-block-cmake/lib/qa_howto_square2_ff.cc
new file mode 100644
index 000000000..9c37b62c1
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/qa_howto_square2_ff.cc
@@ -0,0 +1,32 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2011 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.
+ */
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(qa_howto_square2_ff_t1){
+ BOOST_CHECK_EQUAL(2 + 2, 4);
+ // TODO BOOST_* test macros here
+}
+
+BOOST_AUTO_TEST_CASE(qa_howto_square2_ff_t2){
+ BOOST_CHECK_EQUAL(2 + 2, 4);
+ // TODO BOOST_* test macros here
+}
diff --git a/gr-howto-write-a-block-cmake/lib/qa_howto_square_ff.cc b/gr-howto-write-a-block-cmake/lib/qa_howto_square_ff.cc
new file mode 100644
index 000000000..da1d3040a
--- /dev/null
+++ b/gr-howto-write-a-block-cmake/lib/qa_howto_square_ff.cc
@@ -0,0 +1,32 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2011 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.
+ */
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(qa_howto_square_ff_t1){
+ BOOST_CHECK_EQUAL(2 + 2, 4);
+ // TODO BOOST_* test macros here
+}
+
+BOOST_AUTO_TEST_CASE(qa_howto_square_ff_t2){
+ BOOST_CHECK_EQUAL(2 + 2, 4);
+ // TODO BOOST_* test macros here
+}