GPS Sim

firmware/baseband/proc_gps_sim.hpp

@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ * Copyright (C) 2020 Shao
+ *
+ * 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_GPS_SIM_HPP__
+#define __PROC_GPS_SIM_HPP__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+
+#include "spectrum_collector.hpp"
+
+#include "stream_output.hpp"
+
+#include <array>
+#include <memory>
+
+class ReplayProcessor : public BasebandProcessor {
+public:
+	ReplayProcessor();
+
+	void execute(const buffer_c8_t& buffer) override;
+
+	void on_message(const Message* const message) override;
+
+private:
+	size_t baseband_fs = 0;
+	static constexpr auto spectrum_rate_hz = 50.0f;
+
+	BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Transmit };
+
+	std::array<complex8_t, 2048> iq { };
+	const buffer_c8_t iq_buffer {
+		iq.data(),
+		iq.size(),
+		baseband_fs 
+	};
+	
+	uint32_t channel_filter_pass_f = 0;
+	uint32_t channel_filter_stop_f = 0;
+
+	std::unique_ptr<StreamOutput> stream { };
+
+	SpectrumCollector channel_spectrum { };
+	size_t spectrum_interval_samples = 0;
+	size_t spectrum_samples = 0;
+	
+	bool configured { false };
+	uint32_t bytes_read { 0 };
+
+	void samplerate_config(const SamplerateConfigMessage& message);
+	void replay_config(const ReplayConfigMessage& message);
+	
+	TXProgressMessage txprogress_message { };
+	RequestSignalMessage sig_message { RequestSignalMessage::Signal::FillRequest };
+};
+
+#endif/*__PROC_GPS_SIM_HPP__*/