Added missing files, ENUMed modulation modes

firmware/baseband/proc_sigfrx.cpp

@@ -0,0 +1,69 @@
+/*
+ * 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 "proc_sigfrx.hpp"
+
+#include <cstdint>
+#include <cstddef>
+
+void SIGFRXProcessor::execute(buffer_c8_t buffer) {
+	/* Called every 2048/3072000 second -- 1500Hz. */
+
+	auto decimator_out = decimator.execute(buffer);
+
+	const buffer_c16_t work_baseband_buffer {
+		(complex16_t*)decimator_out.p,
+		sizeof(*decimator_out.p) * decimator_out.count
+	};
+
+	/* 192kHz complex<int16_t>[64]
+	 * -> 96kHz int16_t[32] */
+	//auto channel = channel_filter.execute(decimator_out, work_baseband_buffer);
+
+	// TODO: Feed channel_stats post-decimation data?
+	feed_channel_spectrum(
+		decimator_out,
+		41000, //decimator_out.sampling_rate * channel_filter_taps.pass_frequency_normalized,
+		70000 //decimator_out.sampling_rate * channel_filter_taps.stop_frequency_normalized
+	);
+
+	/*const buffer_s16_t work_audio_buffer {
+		(int16_t*)decimator_out.p,
+		sizeof(*decimator_out.p) * decimator_out.count
+	};
+	* 
+	auto audio = demod.execute(channel, work_audio_buffer);
+
+	static uint64_t audio_present_history = 0;
+	const auto audio_present_now = squelch.execute(audio);
+	audio_present_history = (audio_present_history << 1) | (audio_present_now ? 1 : 0);
+	const bool audio_present = (audio_present_history != 0);
+
+	if( !audio_present ) {
+		// Zero audio buffer.
+		for(size_t i=0; i<audio.count; i++) {
+			audio.p[i] = 0;
+		}
+	}
+
+	audio_hpf.execute_in_place(audio);
+	fill_audio_buffer(audio);*/
+}