Extract BasebandProcessor into separate files.

firmware/baseband/baseband_processor.hpp

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * 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 2, 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __BASEBAND_PROCESSOR_H__
+#define __BASEBAND_PROCESSOR_H__
+
+#include "dsp_types.hpp"
+#include "complex.hpp"
+
+#include "block_decimator.hpp"
+#include "channel_stats_collector.hpp"
+#include "audio_stats_collector.hpp"
+
+#include <array>
+#include <cstdint>
+
+class BasebandProcessor {
+public:
+	virtual ~BasebandProcessor() = default;
+
+	virtual void execute(buffer_c8_t buffer) = 0;
+
+	void update_spectrum();
+
+protected:
+	void feed_channel_stats(const buffer_c16_t channel);
+
+	void feed_channel_spectrum(
+		const buffer_c16_t channel,
+		const uint32_t filter_pass_frequency,
+		const uint32_t filter_stop_frequency
+	);
+
+	void fill_audio_buffer(const buffer_s16_t audio);
+
+private:
+	BlockDecimator<256> channel_spectrum_decimator { 4 };
+
+	ChannelStatsCollector channel_stats;
+	ChannelStatisticsMessage channel_stats_message;
+
+	AudioStatsCollector audio_stats;
+	AudioStatisticsMessage audio_stats_message;
+
+	volatile bool channel_spectrum_request_update { false };
+	std::array<complex16_t, 256> channel_spectrum;
+	uint32_t channel_spectrum_sampling_rate { 0 };
+	uint32_t channel_filter_pass_frequency { 0 };
+	uint32_t channel_filter_stop_frequency { 0 };
+
+	void post_channel_stats_message(const ChannelStatistics statistics);
+	void post_channel_spectrum_message(const buffer_c16_t data);
+	void feed_audio_stats(const buffer_s16_t audio);
+	void post_audio_stats_message(const AudioStatistics statistics);
+};
+
+#endif/*__BASEBAND_PROCESSOR_H__*/