/*
 * Copyright (C) 2015 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.
 */

#ifndef __MORSE_H__
#define __MORSE_H__

#include "tonesets.hpp"
#include "portapack_shared_memory.hpp"

//#define MORSE_UNIT (MORSE_SAMPLE_RATE * 0.05)	// 1536000*0.05 (50ms)
#define MORSE_DOT 1
#define MORSE_DASH 3
#define MORSE_SYMBOL_SPACE 1
#define MORSE_LETTER_SPACE 3
#define MORSE_WORD_SPACE 7

namespace morse {

size_t morse_encode(std::string& message, const uint32_t time_unit_ms, const uint32_t tone);

const std::string foxhunt_codes[11] = {
	{ "MOE" },	// -----.
	{ "MOI" },	// -----..
	{ "MOS" },	// -----...
	{ "MOH" },	// -----....
	{ "MO5" },	// -----.....
	{ "MON" },	// ------.
	{ "MOD" },	// ------..
	{ "MOB" },	// ------...
	{ "MO6" },	// ------....
	{ "MO" },	// -----
	{ "S" }		// ...
};

// 0=dot 1=dash
const uint8_t morse_ITU[36] = {
					//    Code  Size
	0b11111101,		// 0: 11111 101
	0b01111101,		// 1: 01111 101
	0b00111101,		// 2: 00111 101
	0b00011101,		// 3: 00011 101
	0b00001101,		// 4: 00001 101
	0b00000101,		// 5: 00000 101
	0b10000101,		// 6: 10000 101
	0b11000101,		// 7: 11000 101
	0b11100101,		// 8: 11100 101
	0b11110101,		// 9: 11110 101
	0b01000010,		// A: 01--- 010
	0b10000100,		// B: 1000- 100
	0b10100100,		// C: 1010- 100
	0b10000011,		// D: 100-- 011
	0b00000001,		// E: 0---- 001
	0b00100100,		// F: 0010- 100
	0b11000011,		// G: 110-- 011
	0b00000100,		// H: 0000- 100
	0b00000010,		// I: 00--- 010
	0b01110100,		// J: 0111- 100
	0b10100011,		// K: 101-- 011
	0b01000100,		// L: 0100- 100
	0b11000010,		// M: 11--- 010
	0b10000010,		// N: 10--- 010
	0b11100011,		// O: 111-- 011
	0b01100100,		// P: 0110- 100 .#-###-###.# ##.#-### ##.#-###.# ##.#.# ##.#.#.# = 48 units
	0b11010100,		// Q: 1101- 100 60s: 1.25s/unit
	0b01000011,		// R: 010-- 011 75s: 1.5625s/unit
	0b00000011,		// S: 000-- 011
	0b10000001,		// T: 1---- 001
	0b00100011,		// U: 001-- 011
	0b00010100,		// V: 0001- 100
	0b01100011,		// W: 011-- 011
	0b10010100,		// X: 1001- 100
	0b10110100,		// Y: 1011- 100
	0b11000100		// Z: 1100- 100
};

const uint16_t morse_special[23] = {
						//    Code	  Size
	0b1010110000000110,	// !: 101011- 110
	0b0100100000000110,	// ": 010010- 110
	0,					// #
	0b0001001000000111,	// $: 0001001 111
	0,					// %
	0b0100000000000101,	// &: 01000-- 101
	0b0111100000000110,	// ': 011110- 110
	0b1011000000000101,	// (: 10110-- 101
	0b1011010000000110,	// ): 101101- 110
	0,					// *
	0b0101000000000101,	// +: 01010-- 101
	0b1100110000000110,	// ,: 110011- 110
	0b1000010000000110,	// -: 100001- 110
	0b0101010000000110,	// .: 010101- 110
	0b1001000000000101,	// /: 10010-- 101
	
	0b1110000000000110,	// :: 111000- 110
	0b1010100000000110,	// ;: 101010- 110
	0,					// <
	0b1000100000000101,	// =: 10001-- 101
	0,					// >
	0b0011000000000110,	// ?: 001100- 110
	0b0110100000000110,	// @: 011010- 110
	
	0b0011010000000110	// _: 001101- 110
};

const uint16_t prosigns[12] = {
						//    	  Code		Size
	0b0001110000001001,	// <SOS>: 000111000	1001
	0b0101000000000100,	// <AA>:  0101----- 0100
	0b0101000000000101,	// <AR>:  01010---- 0101
	0b0100000000000101,	// <AS>:  01000---- 0101
	0b1000100000000101,	// <BT>:  10001---- 0101
	0b1010100000000101,	// <CT>:  10101---- 0101
	0b0000000000001000,	// <HH>:  00000000- 1000
	0b1010000000000011,	// <K>:   101------ 0011
	0b1011000000000101,	// <KN>:  10110---- 0101
	0b1001110000000110,	// <NJ>:  100111--- 0110
	0b0001010000000110,	// <SK>:  000101--- 0110
	0b0001100000000101,	// <SN>:  00010---- 0101
};

} /* namespace morse */

#endif/*__MORSE_H__*/