SYNC

firmware/application/analog_audio_app.cpp

@@ -0,0 +1,84 @@
+/*
+ * 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.
+ */
+
+#include "analog_audio_app.hpp"
+
+#include "portapack.hpp"
+#include "portapack_shared_memory.hpp"
+using namespace portapack;
+
+#include "utility.hpp"
+
+AnalogAudioModel::AnalogAudioModel(ReceiverModel::Mode mode) {
+	receiver_model.set_baseband_configuration({
+		.mode = toUType(mode),
+		.sampling_rate = 3072000,
+		.decimation_factor = 1,
+	});
+	receiver_model.set_baseband_bandwidth(1750000);
+
+	switch(mode) {
+	case ReceiverModel::Mode::NarrowbandFMAudio:
+		configure_nbfm();
+		break;
+
+	case ReceiverModel::Mode::WidebandFMAudio:
+		configure_wfm();
+		break;
+
+	case ReceiverModel::Mode::AMAudio:
+		configure_am();
+		break;
+		
+	default:
+		break;
+	}
+
+}
+
+void AnalogAudioModel::configure_nbfm() {
+	const NBFMConfigureMessage message {
+		taps_4k25_decim_0,
+		taps_4k25_decim_1,
+		taps_4k25_channel,
+		2500,
+	};
+	shared_memory.baseband_queue.push(message);
+}
+
+void AnalogAudioModel::configure_wfm() {
+	const WFMConfigureMessage message {
+		taps_200k_wfm_decim_0,
+		taps_200k_wfm_decim_1,
+		taps_64_lp_156_198,
+		75000,
+	};
+	shared_memory.baseband_queue.push(message);
+}
+
+void AnalogAudioModel::configure_am() {
+	const AMConfigureMessage message {
+		taps_6k0_decim_0,
+		taps_6k0_decim_1,
+		taps_6k0_channel,
+	};
+	shared_memory.baseband_queue.push(message);
+}