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authorJohnathan Corgan2011-12-08 13:48:48 -0800
committerJohnathan Corgan2011-12-08 13:48:48 -0800
commit00420d32081d8252bb37142b2be19a8a7c4dc4c4 (patch)
tree12c6bf83f01ffc4eff010102090bb687a1233558 /gr-howto-write-a-block/include
parentf52be4a8f0fa203ed206d0e0afc099856eb5bd03 (diff)
downloadgnuradio-00420d32081d8252bb37142b2be19a8a7c4dc4c4.tar.gz
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Removed autotools, gr-waveform, some cleanup
Nick Foster owes Nick Corgan a six-pack of beer!
Diffstat (limited to 'gr-howto-write-a-block/include')
-rw-r--r--gr-howto-write-a-block/include/CMakeLists.txt28
-rw-r--r--gr-howto-write-a-block/include/howto_api.h33
-rw-r--r--gr-howto-write-a-block/include/howto_square2_ff.h78
-rw-r--r--gr-howto-write-a-block/include/howto_square_ff.h82
4 files changed, 221 insertions, 0 deletions
diff --git a/gr-howto-write-a-block/include/CMakeLists.txt b/gr-howto-write-a-block/include/CMakeLists.txt
new file mode 100644
index 000000000..475cc73c6
--- /dev/null
+++ b/gr-howto-write-a-block/include/CMakeLists.txt
@@ -0,0 +1,28 @@
+# 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.
+
+########################################################################
+# Install public header files
+########################################################################
+install(FILES
+ howto_api.h
+ howto_square_ff.h
+ howto_square2_ff.h
+ DESTINATION include/howto
+)
diff --git a/gr-howto-write-a-block/include/howto_api.h b/gr-howto-write-a-block/include/howto_api.h
new file mode 100644
index 000000000..5263a1cf7
--- /dev/null
+++ b/gr-howto-write-a-block/include/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/include/howto_square2_ff.h b/gr-howto-write-a-block/include/howto_square2_ff.h
new file mode 100644
index 000000000..c45a1851f
--- /dev/null
+++ b/gr-howto-write-a-block/include/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/include/howto_square_ff.h b/gr-howto-write-a-block/include/howto_square_ff.h
new file mode 100644
index 000000000..729f1cf44
--- /dev/null
+++ b/gr-howto-write-a-block/include/howto_square_ff.h
@@ -0,0 +1,82 @@
+/* -*- 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 ();
+
+ /*!
+ * \brief square a stream of floats.
+ */
+ 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 */