Added "test app" as a draft zone for... stuff

Added second signature for M2K2 radiosonde

firmware/baseband/CMakeLists.txt

@@ -422,6 +422,13 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PSTX sstvtx)
 
+### Test
+
+set(MODE_CPPSRC
+	proc_test.cpp
+)
+DeclareTargets(PTST test)
+
 ### Tones
 
 set(MODE_CPPSRC

firmware/baseband/proc_test.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * 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_test.hpp"
+
+#include "dsp_fir_taps.hpp"
+
+#include "event_m4.hpp"
+
+TestProcessor::TestProcessor() {
+	decim_0.configure(taps_11k0_decim_0.taps, 33554432);
+	decim_1.configure(taps_11k0_decim_1.taps, 131072);
+}
+
+void TestProcessor::execute(const buffer_c8_t& buffer) {
+	/* 2.4576MHz, 2048 samples */
+
+	const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
+	const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
+	const auto decimator_out = decim_1_out;
+
+	/* 38.4kHz, 32 samples */
+	feed_channel_stats(decimator_out);
+
+	for(size_t i=0; i<decimator_out.count; i++) {
+		if( mf.execute_once(decimator_out.p[i]) ) {
+			clock_recovery_fsk_9600(mf.get_output());
+		}
+	}
+}
+
+int main() {
+	EventDispatcher event_dispatcher { std::make_unique<TestProcessor>() };
+	event_dispatcher.run();
+	return 0;
+}

firmware/baseband/proc_test.hpp

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * 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 __PROC_TEST_H__
+#define __PROC_TEST_H__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+#include "rssi_thread.hpp"
+#include "proc_ais.hpp"
+
+#include "channel_decimator.hpp"
+#include "matched_filter.hpp"
+
+#include "clock_recovery.hpp"
+#include "symbol_coding.hpp"
+#include "packet_builder.hpp"
+#include "baseband_packet.hpp"
+
+#include "message.hpp"
+#include "portapack_shared_memory.hpp"
+
+#include <cstdint>
+#include <cstddef>
+#include <bitset>
+
+class TestProcessor : public BasebandProcessor {
+public:
+	TestProcessor();
+	
+	void execute(const buffer_c8_t& buffer) override;
+
+private:
+	static constexpr size_t baseband_fs = 2457600;
+	
+	BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
+	RSSIThread rssi_thread { NORMALPRIO + 10 };
+
+	std::array<complex16_t, 512> dst { };
+	const buffer_c16_t dst_buffer {
+		dst.data(),
+		dst.size()
+	};
+
+	dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
+	dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
+	dsp::matched_filter::MatchedFilter mf { baseband::ais::square_taps_38k4_1t_p, 2 };
+
+	clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery_fsk_9600 {
+		19200, 9600, { 0.00555f },
+		[this](const float raw_symbol) {
+			const uint_fast8_t sliced_symbol = (raw_symbol >= 0.0f) ? 1 : 0;
+			this->packet_builder_fsk_9600_CC1101.execute(sliced_symbol);
+		}
+	};
+	PacketBuilder<BitPattern, NeverMatch, FixedLength> packet_builder_fsk_9600_CC1101 {
+		{ 0b01010110010110100101101001101010, 32, 1 },	// Manchester 0x1337
+		{ },
+		{ 10 * 8 },
+		[this](const baseband::Packet& packet) {
+			const TestAppPacketMessage message { packet };
+			shared_memory.application_queue.push(message);
+		}
+	};
+};
+
+#endif/*__PROC_TEST_H__*/