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/*
 * Copyright (C) 2019, 2020 "IoT.bzh"
 * Author "Arthur Guyader" <arthur.guyader@iot.bzh>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "converter.hpp"
#include <sstream>
#include <net/if.h>
#include <afb/afb-binding>

/**
 * @brief Convert hex data to string
 *
 * @param data An array of data
 * @param length The length of the data
 * @return std::string The string data
 */
std::string converter_t::to_hex(const uint8_t data[], const size_t length)
{
	std::stringstream stream;
	stream << std::hex << std::setfill('0');
	for(int i = 0; i < length; i++)
	{
		stream << std::hex << ((int) data[i]);
	}
	return stream.str();
}

/**
 * @brief Translate bit_position and bit_size
 *
 *
 * @param bit_position The position in the frame
 * @param bit_size The size of the signal
 * @param new_start_byte The first bytes of the signal in the frame
 * @param new_end_byte The last byte of the signal in the frame
 * @param new_start_bit The first bit of the signal in the frame
 * @param new_end_bit The last bit of the signal in the frame
 */
void converter_t::signal_to_bits_bytes(uint32_t bit_position, uint32_t bit_size, int &new_start_byte, int &new_end_byte, int &new_start_bit, int &new_end_bit)
{
	new_start_byte = bit_position >> 3;
	new_start_bit = bit_position % 8;
	new_end_byte = (bit_position + bit_size - 1) >> 3;
	new_end_bit = (bit_position + bit_size - 1) % 8;
}