#pragma once
#ifndef _MAIN_H
#define _MAIN_H

/**
 * Битовые макросы
 */
#define SetBit(x,y)    x |= (1 << (y))
#define ClrBit(x,y)    x &= ~(1 << (y))
#define InvBit(x,y)    x ^= (1 << (y))
#define IsBit(x,y)     (x & (1 << (y)))

#define ResBit(reg,bit)    (reg &= ~_BV(bit))
/*
 Автоматически включается avr/sfr_defs.h, который содержит:
	_BV(bit) === (1<<(bit))
	bit_is_set(sfr, bit)
	bit_is_clear(sfr, bit)
	loop_until_bit_is_set(sfr, bit)
	loop_until_bit_is_clear(sfr, bit)
*/

/**
 * Дефайны
 */
/* Port B, puttons, input, pull-up */
#define DHT_PIN            _BV(PB0)
#define DHT_PIN_LOW        DDRB |= DHT_PIN
#define DHT_PIN_INPUT      DDRB &= ~(DHT_PIN)

#define BTN_NUM            3
#define BUTTON1_PIN        _BV(PB3)
#define BUTTON2_PIN        _BV(PB4)
#define BUTTON3_PIN        _BV(PB5)
#define BUTTON_PINS        (BUTTON1_PIN | BUTTON2_PIN | BUTTON3_PIN)
#define BUTTON1_STATE      (PINB & BUTTON1_PIN)
#define BUTTON2_STATE      (PINB & BUTTON2_PIN)
#define BUTTON3_STATE      (PINB & BUTTON3_PIN)
#define BUTTONS_STATE      (PINB & BUTTON_PINS)
#define BUTTON_STATE(pin)  (PINB & pin)
#define BUTTON_PERIOD      10
/* in ms */
#define BTN_SCAN_PERIOD    10
#define BTN_TIME_PAUSE     20
/* все временные константы кнопок кратны периоду опроса кнопок - 10 ms. */
#define BTN_TIME_PRESSED   3
#define BTN_TIME_HOLDED    50
#define BTN_TIME_REPEATED  5

/* Port C, Lamp digits, output */
#define DIGIT_BLANK     0x0F
#define DIGIT_A0        _BV(PC0)
#define DIGIT_A1        _BV(PC1)
#define DIGIT_A2        _BV(PC2)
#define DIGIT_A3        _BV(PC3)
#define DIGIT_PINS      (DIGIT_A0 | DIGIT_A1 | DIGIT_A2 | DIGIT_A3)

/* Port D, Lamp anods, Dot, RTC interrupt, UART */
#define DOT_PIN         _BV(PD2)
#define ANOD1           _BV(PD4)
#define ANOD2           _BV(PD5)
#define ANOD3           _BV(PD6)
#define ANOD4           _BV(PD7)
#define ANOD_PINS       (ANOD1 | ANOD2 | ANOD3 | ANOD4)


typedef struct {
  uint8_t     time;
  es_event_t  pressed;
  es_event_t  holded;
  uint8_t     pin;
} btn_t;


#endif