#pragma once
#include <stdint.h>

#include <util/delay.h>


class W433DataTransmitter
{
private:
	static constexpr uint16_t BIT_RATE = 2000;
	static constexpr int32_t DELAY_US = 1000000/BIT_RATE;
	static constexpr int16_t LONG_DELAY_MS = 10;
	static constexpr uint16_t SIGNATURE = 0xb38;
	volatile unsigned char * const _port;
	const unsigned char _pin;

	void sendSymbol(const uint8_t data);
	void sendData(const uint8_t data);

	static constexpr int SYMBOL_TABLE_SIZE = 16;
	static constexpr uint8_t symbols[SYMBOL_TABLE_SIZE] =
	{
		0xd,  0xe,  0x13, 0x15, 0x16, 0x19, 0x1a, 0x1c,
		0x23, 0x25, 0x26, 0x29, 0x2a, 0x2c, 0x32, 0x34
	};

	uint16_t calcCrc(const uint32_t data);
    
public:
    
	W433DataTransmitter(volatile unsigned char * const port, const unsigned char pin);
	void send(const uint8_t* const data, uint16_t length);
	void send(const uint8_t data);
	void sendPacket(const uint32_t data);
};