/*
 * 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 <vector>
#include <cstring>
#include <string>

#ifndef __ENCODERS_H__
#define __ENCODERS_H__

namespace encoders {
	
	#define ENC_TYPES_COUNT 14
	#define OOK_SAMPLERATE	2280000U
	
	#define ENCODER_UM3750	8
	
	size_t make_bitstream(std::string& fragments);
	void bitstream_append(size_t& bitstream_length, uint32_t bit_count, uint32_t bits);

	struct encoder_def_t {
		std::string name;						// Encoder chip ref/name
		std::string address_symbols;			// List of possible symbols like "01", "01F"...
		std::string data_symbols;				// Same
		uint16_t clk_per_symbol;				// Oscillator periods per symbol
		uint16_t clk_per_fragment;				// Oscillator periods per symbol fragment (state)
		std::vector<std::string> bit_format;	// List of fragments for each symbol in previous *_symbols list order
		uint8_t word_length;					// Total # of symbols (not counting sync)
		std::string word_format;				// A for Address, D for Data, S for sync
		std::string sync;						// Like bit_format
		uint32_t default_speed;					// Default encoder clk frequency (often set by shitty resistor)
		uint8_t repeat_min;						// Minimum repeat count
		uint16_t pause_symbols;					// Length of pause between repeats in symbols
	};

	// Warning ! If this is changed, make sure that ENCODER_UM3750 is still valid !
	const encoder_def_t encoder_defs[ENC_TYPES_COUNT] = {
		// PT2260-R2
		{
			"2260-R2",
			"01F", "01",
			1024, 128,
			{ "10001000", "11101110", "10001110" },
			12,	"AAAAAAAAAADDS",
			"10000000000000000000000000000000",
			150000,	2,
			0
		},
		
		// PT2260-R4
		{
			"2260-R4",
			"01F", "01",
			1024, 128,
			{ "10001000", "11101110", "10001110" },
			12,	"AAAAAAAADDDDS",
			"10000000000000000000000000000000",
			150000,	2,
			0
		},
		
		// PT2262
		{
			"2262   ",
			"01F", "01F",
			32, 4,
			{ "10001000", "11101110", "10001110" },
			12,	"AAAAAAAAAAAAS",
			"10000000000000000000000000000000",
			20000,	4,
			0
		},
		
		// 16-bit ?
		{
			"16-bit ",
			"01", "01",
			32, 8,
			{ "1110", "1000" },		// Opposite ?
			16,	"AAAAAAAAAAAAAAAAS",
			"100000000000000000000",
			25000,	50,
			0	// ?
		},
		
		// RT1527
		{
			"1527   ",
			"01", "01",
			128, 32,
			{ "1000", "1110" },
			24,	"SAAAAAAAAAAAAAAAAAAAADDDD",
			"10000000000000000000000000000000",
			100000,	4,
			10	// ?
		},
		
		// HK526E
		{
			"526E   ",
			"01", "01",
			24, 8,
			{ "110", "100" },
			12,	"AAAAAAAAAAAA",
			"",
			20000, 4,
			10	// ?
		},
		
		// HT12E
		{
			"12E    ",
			"01", "01",
			3, 1,
			{ "011", "001" },
			12,	"SAAAAAAAADDDD",
			"0000000000000000000000000000000000001",
			3000, 4,
			10	// ?
		},
			
		// VD5026 13 bits ?
		{
			"5026   ",
			"0123", "0123",
			128, 8,
			{ "1000000010000000", "1111111011111110", "1111111010000000", "1000000011111110" },
			12,	"SAAAAAAAAAAAA",
			"000000000000000000000000000000000000000000000001",		// ?
			100000,	4,
			10	// ?
		},
		
		// UM3750
		{
			"UM3750 ",
			"01", "01",
			96, 32,
			{ "011", "001" },
			12,	"SAAAAAAAAAAAA",
			"001",
			100000,	4,
			(3 * 12) - 6	// Compensates for pause delay bug in proc_ook
		},
		
		// UM3758
		{
			"UM3758 ",
			"01F", "01",
			96, 16,
			{ "011011", "001001", "011001" },
			18,	"SAAAAAAAAAADDDDDDDD",
			"1",
			160000,	4,
			10	// ?
		},
		
		// BA5104
		{
			"BA5104 ",
			"01", "01",
			3072, 768,
			{ "1000", "1110" },
			9,	"SDDAAAAAAA",
			"",
			455000,	4,
			10	// ?
		},
			
		// MC145026
		{
			"145026 ",
			"01F", "01",
			16, 1,
			{ "0111111101111111", "0100000001000000", "0111111101000000" },
			9,	"SAAAAADDDD",
			"000000000000000000",
			455000,	2,
			2
		},
		
		// HT6*** TODO: Add individual variations
		{
			"HT6*** ",
			"01F", "01",
			198, 33,
			{ "011011", "001001", "001011" },
			18,	"SAAAAAAAAAAAADDDDDD",
			"0000000000000000000000000000000000001011001011001",
			80000,	3,
			10	// ?
		},
		
		// TC9148
		{
			"TC9148 ",
			"01", "01",
			48, 12,
			{ "1000", "1110", },
			12,	"AAAAAAAAAAAA",
			"",
			455000,	3,
			10	// ?
		}
	};

} /* namespace encoders */

#endif/*__ENCODERS_H__*/