Rename all the app .cpp/.hpp to have app name first.

Larger refactoring of filenames and namespaces imminent!

firmware/application/ert_app.cpp

@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2015 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 "ert_app.hpp"
+
+#include "portapack.hpp"
+using namespace portapack;
+
+#include "manchester.hpp"
+
+#include "lpc43xx_cpp.hpp"
+using namespace lpc43xx;
+
+#include "crc.hpp"
+#include "string_format.hpp"
+
+namespace ert {
+
+size_t Packet::length() const {
+	return decoder_.symbols_count();
+}
+
+bool Packet::is_valid() const {
+	return true;
+}
+
+rtc::RTC Packet::received_at() const {
+	return received_at_;
+}
+
+ERTPacketMessage::Type Packet::type() const {
+	return type_;
+}
+
+ID Packet::id() const {
+	if( type() == ERTPacketMessage::Type::SCM ) {
+		const auto msb = reader_.read(0, 2);
+		const auto lsb = reader_.read(35, 24);
+		return (msb << 24) | lsb;
+	}
+	if( type() == ERTPacketMessage::Type::IDM ) {
+		return reader_.read(5 * 8, 32);
+	}
+	return invalid_id;
+}
+
+Consumption Packet::consumption() const {
+	if( type() == ERTPacketMessage::Type::SCM ) {
+		return reader_.read(11, 24);
+	}
+	if( type() == ERTPacketMessage::Type::IDM ) {
+		return reader_.read(25 * 8, 32);
+	}
+	return invalid_consumption;
+}
+
+ManchesterFormatted Packet::symbols_formatted() const {
+	return format_manchester(decoder_);
+}
+
+bool Packet::crc_ok() const {
+	switch(type()) {
+	case ERTPacketMessage::Type::SCM:	return crc_ok_scm();
+	case ERTPacketMessage::Type::IDM:	return crc_ok_idm();
+	default:					return false;
+	}
+}
+
+bool Packet::crc_ok_scm() const {
+	CRC<uint16_t> ert_bch { 0x6f63 };
+	size_t start_bit = 5;
+	ert_bch.process_byte(reader_.read(0, start_bit));
+	for(size_t i=start_bit; i<length(); i+=8) {
+		ert_bch.process_byte(reader_.read(i, 8));
+	}
+	return ert_bch.checksum() == 0x0000;
+}
+
+bool Packet::crc_ok_idm() const {
+	CRC<uint16_t> ert_crc_ccitt { 0x1021, 0xffff, 0x1d0f };
+	for(size_t i=0; i<length(); i+=8) {
+		ert_crc_ccitt.process_byte(reader_.read(i, 8));
+	}
+	return ert_crc_ccitt.checksum() == 0x0000;
+}
+
+} /* namespace ert */
+
+ERTModel::ERTModel() {
+	receiver_model.set_baseband_configuration({
+		.mode = 6,
+		.sampling_rate = 4194304,
+		.decimation_factor = 1,
+	});
+	receiver_model.set_baseband_bandwidth(2500000);
+
+	log_file.open_for_append("ert.txt");
+}
+
+bool ERTModel::on_packet(const ert::Packet& packet) {
+	if( log_file.is_ready() ) {
+		const auto formatted = packet.symbols_formatted();
+		log_file.write_entry(packet.received_at(), formatted.data + "/" + formatted.errors);
+	}
+
+	return packet.crc_ok();
+}
+
+namespace ui {
+
+void ERTView::on_show() {
+	Console::on_show();
+
+	auto& message_map = context().message_map();
+	message_map.register_handler(Message::ID::ERTPacket,
+		[this](Message* const p) {
+			const auto message = static_cast<const ERTPacketMessage*>(p);
+			rtc::RTC datetime;
+			rtcGetTime(&RTCD1, &datetime);
+			const ert::Packet packet { datetime, message->type, message->packet };
+			if( this->model.on_packet(packet) ) {
+				this->on_packet(packet);
+			}
+		}
+	);
+}
+
+void ERTView::on_hide() {
+	auto& message_map = context().message_map();
+	message_map.unregister_handler(Message::ID::ERTPacket);
+
+	Console::on_hide();
+}
+
+void ERTView::on_packet(const ert::Packet& packet) {
+	std::string msg;
+	switch(packet.type()) {
+	case ERTPacketMessage::Type::SCM:
+		msg += "SCM ";
+		msg += to_string_dec_uint(packet.id(), 10);
+		msg += " ";
+		msg += to_string_dec_uint(packet.consumption(), 10);
+		break;
+
+	case ERTPacketMessage::Type::IDM:
+		msg += "IDM ";
+		msg += to_string_dec_uint(packet.id(), 10);
+		msg += " ";
+		msg += to_string_dec_uint(packet.consumption(), 10);
+		break;
+
+	default:
+		msg += "???";
+		break;
+	}
+
+	writeln(msg);
+}
+
+} /* namespace ui */