Merged r7611:7614 from jcorgan/gpio into trunk. Adds custom

[debian/gnuradio] / gr-gpio / src / lib / gpio_and_const_ss.h

diff --git a/gr-gpio/src/lib/gpio_and_const_ss.h b/gr-gpio/src/lib/gpio_and_const_ss.h
new file mode 100644 (file)
index 0000000..e27134d
--- /dev/null
+++ b/gr-gpio/src/lib/gpio_and_const_ss.h
@@ -0,0 +1,54 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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_GPIO_AND_CONST_SS_H
+#define INCLUDED_GPIO_AND_CONST_SS_H
+
+#include <gr_sync_block.h>
+
+class gpio_and_const_ss;
+typedef boost::shared_ptr<gpio_and_const_ss> gpio_and_const_ss_sptr;
+
+gpio_and_const_ss_sptr gpio_make_and_const_ss (unsigned short k);
+
+/*!
+ * \brief output = input & constant
+ * \ingroup block
+ */
+class gpio_and_const_ss : public gr_sync_block
+{
+  friend gpio_and_const_ss_sptr gpio_make_and_const_ss (unsigned short k);
+
+  unsigned short       d_k;            // the constant
+  gpio_and_const_ss (unsigned short k);
+
+ public:
+  unsigned short k () const { return d_k; }
+  void set_k (unsigned short k) { d_k = k; }
+
+  int work (int noutput_items,
+           gr_vector_const_void_star &input_items,
+           gr_vector_void_star &output_items);
+};
+
+#endif