Simplified LCR code a bit

Split modem into modem and serializer
Frequency string formatter

firmware/application/serializer.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 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 "serializer.hpp"
+
+#include "portapack_persistent_memory.hpp"
+
+using namespace portapack;
+
+namespace serializer {
+	
+/* Raw:		00110110100111
+ * NRZ-L:	00110110100111
+ * NRZ-M:	00100100111010
+ * NRZ-S:	10001110010000
+ * RZ:		00 00 10 10 00 10 10 00 10 00 00 10 10 10
+ * Bi-L:	01 01 10 10 01 10 10 01 10 01 01 10 10 10
+ * Bi-M:	00 11 01 01 00 10 10 11 01 00 11 01 01 01
+ * Bi-S:	01 01 00 11 01 00 11 01 00 10 10 11 00 11
+ * Diff M.:	...
+ */
+
+uint8_t symbol_count() {
+	serial_format_t serial_format;
+	uint8_t count;
+	
+	serial_format = persistent_memory::serial_format();
+	
+	count = 1 + serial_format.data_bits;	// Start
+	if (serial_format.parity) count++;
+	count += serial_format.stop_bits;
+	
+	return count;
+};
+
+} /* namespace serializer */