code changes

lib/ofdm_freq_est.cc

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2013 Bastian Bloessl <bloessl@ccs-labs.org>
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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, see <http://www.gnu.org/licenses/>.
+ */
+#include <ieee802-11/ofdm_freq_est.h>
+#include "utils.h"
+#include <gnuradio/io_signature.h>
+
+using namespace gr::ieee802_11;
+
+
+class ofdm_freq_est_impl : public ofdm_freq_est {
+
+public:
+ofdm_freq_est_impl(bool log, bool debug) : block("ofdm_freq_est",
+		gr::io_signature::make2(2, 2, sizeof(gr_complex), sizeof(gr_complex)),
+		gr::io_signature::make(1, 1, sizeof(gr_complex))),
+		d_log(log),
+		d_debug(debug),
+		d_state(SYNC) {
+
+	set_tag_propagation_policy(block::TPP_DONT);
+}
+
+int general_work (int noutput, gr_vector_int& ninput_items,
+		gr_vector_const_void_star& input_items,
+		gr_vector_void_star& output_items) {
+
+	const gr_complex *in = (const gr_complex*)input_items[0];
+	gr_complex *out = (gr_complex*)output_items[0];
+
+
+	return 0;
+}
+
+void forecast (int noutput_items, gr_vector_int &ninput_items_required) {
+	ninput_items_required[0] = noutput_items;
+}
+
+private:
+	enum {SYNC, COPY, RESET} d_state;
+	std::vector<gr::tag_t> d_tags;
+
+	const bool d_log;
+	const bool d_debug;
+};
+
+ofdm_freq_est::sptr
+ofdm_freq_est::make(bool log, bool debug) {
+	return gnuradio::get_initial_sptr(new ofdm_freq_est_impl(log, debug));
+}
+