#pragma once

#include <inttypes.h>

struct SoftTWI {
	
	SoftTWI(unsigned pin_sda, unsigned pin_scl, unsigned delay = 0);

	void begin();
	void sleep(unsigned=1);
	void set_sda(bool);
	void set_scl(bool);
	bool read_sda();
	bool read_scl();
	void wait_scl();

	void write_bit(bool);
	bool write(uint8_t);
	unsigned write(const uint8_t*, unsigned);
	
	bool read_bit();
	uint8_t read(bool=true);
	void read(uint8_t*, unsigned, bool=false);

	bool start_read(uint8_t);
	bool start_write(uint8_t);

	void start();
	void end();
	
private:
	unsigned _pin_scl;
	unsigned _pin_sda;
	unsigned _delay;
};