/**
 * My Nixie Clock IN-4x6
 * Vladimir N. Shilov <shilow@ukr.net>
 * 2020.01.06
 */
/* Compiler libs */
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/sleep.h>
#include <avr/eeprom.h>
#include <avr/pgmspace.h>

/* Project libs */
#include "i2c.h"
#include "ds3231.h"
#include "rtos.h"
#include "event-system.h"
#include "main.h"
#include "common.h"

/* Defines */
/* Timer2 settings
 * Prescaler (CS22/CS21/CS20 - value):
 * 0/0/0 - stop
 * 0/0/0 - 1 (no prescale)
 * 0/1/0 - 8
 * 0/1/1 - 32
 * 1/0/0 - 64
 * 1/0/1 - 128
 * 1/1/0 - 256
 * 1/1/1 - 1024
 */
#define TIMER2_HZ         360
#if F_CPU == 16000000
  #define TIMER2_PRESCALER  256
  #define TIMER2_CS         (1<<CS22 | 1<<CS21 | 0<<CS20)
#elif F_CPU == 8000000
  #define TIMER2_PRESCALER  64
  #define TIMER2_CS         (0<<CS22 | 1<<CS21 | 1<<CS20)
#endif // F_CPU
#define TIMER2_CNT        (0x100 - (F_CPU / TIMER2_PRESCALER / TIMER2_HZ))

/* Display timeout, sec */
#define DISP_WDT_TIME   10

#ifdef USE_UART
/* USART */
#define BAUD            19200UL
#define BAUD_PRESCALE   (uint8_t)((F_CPU / BAUD / 16UL) - 1)
#define CHAR_NEWLINE    '\n'
#define CHAR_RETURN     '\r'
#define RETURN_NEWLINE  "\r\n"
#endif // USE_UART

#ifdef USE_BRIGHT_CONTROL
//static void startADC(void);
//volatile uint8_t resultADC = 0;
/* Lamp brightness */
#define BRIGHT_IDX_MAX    4
#define LIGHT_LEVEL       100
#define FULL_BRIGHT_ON    0x06
#define FULL_BRIGHT_OFF   0x22
static const uint8_t PROGMEM brightConv[BRIGHT_IDX_MAX+1] = {
#if F_CPU == 16000000
  /* 155, 164, 181, 211, 255 */
  /* for 83: */
  117, 151, 185, 219, 255
#elif F_CPU == 8000000
	54, 71, 106, 165, 255
#endif // F_CPU
};
#endif // USE_BRIGHT_CONTROL


/* Variables */
static volatile uint8_t Digit[LAMP_NUM] = {1, 2, 3, 4, 5, 6};
static rtc_t RTC, setRTC;
static volatile struct {
  uint8_t RTC_Int:  1;
  uint8_t blinkC:   1; // флаг задающий ритм мигания
  uint8_t blink0:   1; // мигать разрядами 1-2
  uint8_t blink1:   1; // мигать разрядами 3-4
  uint8_t blink2:   1; // мигать разрядами 5-6
  uint8_t saveEEP:  1;
  uint8_t rezerv:   2;
} Flag;
static btn_t Button[BTN_NUM] = {
  {0, evBTN1Pressed, evBTN1Holded, BUTTON1_PIN},
  {0, evBTN2Pressed, evBTN2Pressed, BUTTON2_PIN},
  {0, evBTN3Pressed, evBTN3Pressed, BUTTON3_PIN}
};
static volatile uint8_t DISP_WDT = 0;
static EEMEM uint8_t EEP_BrightIdx;
static uint8_t brightIdx;
static EEMEM uint8_t EEP_SummerTime;

/* Function prototypes */
static void Board_Init(void);
static void btnProcess(void);
static void valIncrease(uint8_t * val, uint8_t max);
static void valDecrease(uint8_t * val, uint8_t max);
static void blink(void);
static void setSummerWinterTime(void);
#ifdef LAMP_TEST
static void lampTest(void);
#endif // LAMP_TEST
#ifdef USE_UART
void usart_putc (char send);
void usart_puts (const char *send);
#endif // USE_UART

void main(void) {
  /**
   * Локальные переменные
   */
  uint8_t event = 0;
  Flag.RTC_Int = 0;
  Flag.blink0 = 0;
  Flag.blink1 = 0;
  Flag.blink2 = 0;
  Flag.blinkC = 0;
  Flag.saveEEP = 0;

#ifdef USE_BRIGHT_CONTROL
  brightIdx = eeprom_read_byte(&EEP_BrightIdx);
  if (brightIdx > BRIGHT_IDX_MAX) {
    brightIdx = BRIGHT_IDX_MAX;
  }
#endif // USE_BRIGHT_CONTROL

  /**
   * Инициализация, настройка...
   */
  Board_Init();

  /* Initialize Scheduler */
  RTOS_Init();
  tdelay_ms(2000);

#ifdef LAMP_TEST
  lampTest();
  tdelay_ms(5000);
#endif // LAMP_TEST

  /* Initialize I2C Bus and RTC */
  I2C_Init();
  RTC_Init();
  RTC_ReadAll(&RTC);

  /* Initialize Event State Machine */
  ES_Init(stShowTime);

  RTOS_SetTask(btnProcess, 3, BTN_SCAN_PERIOD);
#ifdef USE_BRIGHT_CONTROL
//  RTOS_SetTask(startADC, 10, 500);
#endif // USE_BRIGHT_CONTROL

  showTime();

  /** main loop */
  do {
    /* new second interrupt from RTC */
    if (Flag.RTC_Int != 0) {
      Flag.RTC_Int = 0;
      ES_PlaceEvent(evNewSecond);

      RTC_ReadTime(&RTC);
      if (RTC.Sec == 0 && RTC.Min == 0) {
      // begin of new hour
        if (RTC.Hr == 0) {
        // begin of new day
          RTC_ReadCalendar(&RTC);
          ES_PlaceEvent(evRefreshCal);
        }
#ifdef USE_BRIGHT_CONTROL
        if (RTC.Hr >= FULL_BRIGHT_ON && RTC.Hr < FULL_BRIGHT_OFF) {
//        if (resultADC < LIGHT_LEVEL) {
          OCR2 = pgm_read_byte(&brightConv[BRIGHT_IDX_MAX]);
        } else {
          OCR2 = pgm_read_byte(&brightConv[brightIdx]);
        }
#endif // USE_BRIGHT_CONTROL

        setSummerWinterTime();
      } // begin new hour

      if (DISP_WDT != 0) {
        DISP_WDT --;
        if (DISP_WDT == 0) {
          ES_PlaceEvent(evDisplayWDT);

          if (Flag.saveEEP != 0) {
            Flag.saveEEP = 0;
            eeprom_update_byte(&EEP_BrightIdx, brightIdx);
          }
        }
      }
    } // End of New Second

    event = ES_GetEvent();
    if (event) {
      ES_Dispatch(event);
    }

    // крутим диспетчер
    RTOS_DispatchTask();

    // делать нечего -- спим, ждём прерывание
    set_sleep_mode(SLEEP_MODE_IDLE);
    sleep_mode();

  } while(1);
}

/**
 *  П о д п р о г р а м м ы
 */

/**
 * @brief Initializy perephireal
 */
static void Board_Init(void) {
  /* power off Analog Comparator */
  ACSR = ACD;

  /* GPIO */
  DDRB = ANODB_PINS; // as output
  PORTB = BUTTON_PINS; // enable pull-up
  DDRC = DIGIT_PINS; // as output
  DDRD = (DOT_PIN | ANODD_PINS); // as output

  /* Timer2 - refresh Nixie values */
  TCCR2 = TIMER2_CS;
  TCNT2 = TIMER2_CNT;
  TIMSK = _BV(TOIE2);

#ifdef USE_BRIGHT_CONTROL
  /* ADC init */
//  ADMUX = (1<<REFS0 | 1<<ADLAR | 1<<MUX2 | 1<<MUX1 | 1<<MUX0); // Vref = AVcc, channel ADC7, Left adjusted result
//  ADCSRA = (1<<ADEN | 1<<ADSC | 1<<ADIE | 1<<ADPS2 | 1<<ADPS1 | 1<<ADPS0); // enable ADC, prescaler = 128

  OCR2 = pgm_read_byte(&brightConv[BRIGHT_IDX_MAX]);
  TIMSK |= _BV(OCIE2);
#endif // USE_BRIGHT_CONTROL

  /* Interrupt from RTC */
  MCUCR = _BV(ISC11); // falling edge
  GICR = _BV(INT1);

#ifdef USE_UART
  /* USART */
  // Turn on USART hardware (no RX, TX)
  UCSRB |= (0 << RXEN) | (1 << TXEN);
  // 8 bit char sizes
  UCSRC |= (1 << UCSZ0) | (1 << UCSZ1);
  // Set baud rate
  UBRRH = (BAUD_PRESCALE >> 8);
  UBRRL = BAUD_PRESCALE;
#endif // USE_UART

  /* Enable Interrupts */
  sei();
}

/**
 * @brief Correct current time for Sun or Winter
 */
static void setSummerWinterTime(void) {
  uint8_t sunTime = eeprom_read_byte(&EEP_SummerTime);

  /* Переход на летнее время */
  if ((RTC.Mon == 3) && (RTC.WD == 7) && (RTC.Hr == 3) && (sunTime != 0)) {
    if ((RTC.Day + 7) > 31) {
      RTC.Hr = 4;
      RTC_WriteHH(&RTC);
      sunTime = 0;
      eeprom_update_byte(&EEP_SummerTime, sunTime);
    }
  }

  /* Переход на зимнее время */
  if ((RTC.Mon == 10) && (RTC.WD == 7) && (RTC.Hr == 4) && (sunTime == 0)) {
    if ((RTC.Day + 7) > 31) {
      RTC.Hr = 3;
      RTC_WriteHH(&RTC);
      sunTime = 1;
      eeprom_update_byte(&EEP_SummerTime, sunTime);
    }
  }

}

void dotOn(void) {
  PORTD |= DOT_PIN;
}

void dotOff(void) {
  PORTD &= ~(DOT_PIN);
}

void dotOnPersistent(void) {
  RTOS_DeleteTask(dotOff);
  dotOn();
}


/**
  * @brief  Обработка кнопок.
  * @param  : None
  * @retval : None
  */
static void btnProcess(void) {
  uint8_t i;
  for (i=0; i<BTN_NUM; i++) {
    if (Button[i].pin != 0) {
      // button pressed
      if (BUTTON_STATE(Button[i].pin) == 0) {
        Button[i].time ++;
        if (Button[i].time >= BTN_TIME_HOLDED) {
          Button[i].time -= BTN_TIME_REPEATED;
          if (Button[i].holded == Button[i].pressed) {
            // if pressed and holded - same function, then button pressed auto repeat
            ES_PlaceEvent(Button[i].pressed);
          }
        }
      } else {
        // button released
        if (Button[i].time >= (BTN_TIME_HOLDED - BTN_TIME_REPEATED)) {
          ES_PlaceEvent(Button[i].holded); // process long press
        } else if (Button[i].time >= BTN_TIME_PRESSED) {
          ES_PlaceEvent(Button[i].pressed); // process short press
        }
        Button[i].time = 0;
        RTOS_SetTask(btnProcess, BTN_TIME_PAUSE, BTN_SCAN_PERIOD);
      }
    } /* end (pin == 0) */
  } /* end FOR */
}

void showTime(void) {
/*
  Digit[0] = DIGIT_BLANK;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = DIGIT_BLANK;
  Digit[3] = resultADC / 100;
  Digit[4] = (resultADC % 100) / 10;
  Digit[5] = resultADC % 10;
*/
  dotOn();
  RTOS_SetTask(dotOff, 500, 0);

  if (RTC.Hr > 0x09) {
    Digit[0] = RTC.Hr >> 4;
  } else {
    Digit[0] = DIGIT_BLANK;
  }
  Digit[1] = RTC.Hr & 0x0F;
  Digit[2] = RTC.Min >> 4;
  Digit[3] = RTC.Min & 0x0F;
  Digit[4] = RTC.Sec >> 4;
  Digit[5] = RTC.Sec & 0x0F;
}

void showWDM(void) {
  DISP_WDT = DISP_WDT_TIME;

  Digit[0] = RTC.WD & 0x0F;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = RTC.Day >> 4;
  Digit[3] = RTC.Day & 0x0F;
  Digit[4] = RTC.Mon >> 4;
  Digit[5] = RTC.Mon & 0x0F;
}

void showYear(void) {
  DISP_WDT = DISP_WDT_TIME;

  Digit[0] = DIGIT_BLANK;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = 0x02;
  Digit[3] = 0x00;
  Digit[4] = RTC.Year >> 4;
  Digit[5] = RTC.Year & 0x0F;
}

#ifdef USE_BRIGHT_CONTROL
void showBright(void) {
  DISP_WDT = DISP_WDT_TIME;

  Digit[0] = DIGIT_BLANK;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = DIGIT_BLANK;
  Digit[3] = brightIdx;
  Digit[4] = DIGIT_BLANK;
  Digit[5] = DIGIT_BLANK;
}

void incBright(void) {
  if (brightIdx < BRIGHT_IDX_MAX) {
    brightIdx ++;
    OCR2 = pgm_read_byte(&brightConv[brightIdx]);
    Flag.saveEEP = 1;
  }
}

void decBright(void) {
  if (brightIdx > 0 ) {
    brightIdx --;
    OCR2 = pgm_read_byte(&brightConv[brightIdx]);
    Flag.saveEEP = 1;
  }
}
/*
static void startADC(void) {
  // enable interrupt and start conversion
  ADCSRA |= ((1<<ADSC) | (1<<ADIE));
}*/
#endif // USE_BRIGHT_CONTROL

static void blink(void) {
  static uint8_t s = 0;
  switch (s) {
  case 0:
    Flag.blinkC = 0;
    RTOS_SetTask(blink, 750, 0);
    s = 1;
    break;

  case 1:
    Flag.blinkC = 1;
    RTOS_SetTask(blink, 250, 0);
    s = 0;
    break;

  default:
    s = 0;
  }
}

void setTimeShow(void) {
  DISP_WDT = DISP_WDT_TIME;
  dotOnPersistent();
  RTOS_SetTask(dotOff, 500, 0);

  Digit[0] = setRTC.Hr >> 4;
  Digit[1] = setRTC.Hr & 0x0F;
  Digit[2] = setRTC.Min >> 4;
  Digit[3] = setRTC.Min & 0x0F;
  Digit[4] = 0x0;
  Digit[5] = 0x0;
}

void setTimeBegin(void) {
  RTC_ReadTime(&setRTC);
  RTOS_SetTask(btnProcess, 500, BTN_SCAN_PERIOD);
}

void setHHBegin(void) {
  Flag.blink0 = 1;
  Flag.blink1 = 0;
  Flag.blink2 = 0;
  RTOS_SetTask(blink, 0, 0);
  setTimeShow();
}

void setHHInc(void) {
  valIncrease(&setRTC.Hr, 23);
}

void setHHDec(void) {
  valDecrease(&setRTC.Hr, 23);
}

void setMMBegin(void) {
  Flag.blink0 = 0;
  Flag.blink1 = 1;
  Flag.blink2 = 0;
  RTOS_SetTask(blink, 0, 0);
  setTimeShow();
}

void setMMInc(void) {
  valIncrease(&setRTC.Min, 59);
}

void setMMDec(void) {
  valDecrease(&setRTC.Min, 59);
}

void setTimeEnd(void) {
  RTOS_SetTask(btnProcess, 500, BTN_SCAN_PERIOD);

  setRTC.Sec = 0;
  RTC_WriteTime(&setRTC);

  RTOS_DeleteTask(blink);
  Flag.blink0 = 0;
  Flag.blink1 = 0;
  Flag.blink2 = 0;
  Flag.blinkC = 0;

  RTC_ReadTime(&RTC);
}

/**
  * Setup Calendar functions
  */
void setDateBegin(void) {
  RTC_ReadCalendar(&setRTC);
  RTOS_SetTask(btnProcess, 500, BTN_SCAN_PERIOD);
}

void setDateEnd(void) {
  RTOS_SetTask(btnProcess, 500, BTN_SCAN_PERIOD);

  RTC_WriteCalendar(&setRTC);

  Flag.blink0 = 0;
  Flag.blink1 = 0;
  Flag.blink2 = 0;
  Flag.blinkC = 0;

  RTC_ReadCalendar(&RTC);
  dotOff();
}

void setWDMShow(void) {
  DISP_WDT = DISP_WDT_TIME;
  dotOnPersistent();

  Digit[0] = setRTC.WD & 0x0F;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = setRTC.Day >> 4;
  Digit[3] = setRTC.Day & 0x0F;
  Digit[4] = setRTC.Mon >> 4;
  Digit[5] = setRTC.Mon & 0x0F;
}

void setYearShow(void) {
  DISP_WDT = DISP_WDT_TIME;
  dotOff();

  Digit[0] = DIGIT_BLANK;
  Digit[1] = DIGIT_BLANK;
  Digit[2] = 0x02;
  Digit[3] = 0x00;
  Digit[4] = setRTC.Year >> 4;
  Digit[5] = setRTC.Year & 0x0F;
}

void setWDayBegin(void) {
  Flag.blink0 = 1;
  Flag.blink1 = 0;
  Flag.blink2 = 0;
  RTOS_SetTask(blink, 0, 0);
  setWDMShow();
}

void setMDayBegin(void) {
  Flag.blink0 = 0;
  Flag.blink1 = 1;
  Flag.blink2 = 0;
  RTOS_SetTask(blink, 0, 0);
  setWDMShow();
}

void setMonthBegin(void) {
  Flag.blink0 = 0;
  Flag.blink1 = 0;
  Flag.blink2 = 1;
  RTOS_SetTask(blink, 0, 0);
  setWDMShow();
}

void setYearBegin(void) {
  Flag.blink0 = 0;
  Flag.blink1 = 0;
  Flag.blink2 = 1;
  RTOS_SetTask(blink, 0, 0);
  setYearShow();
}

void setIncWDay(void) {
  if (setRTC.WD < 7) {
    setRTC.WD ++;
  } else {
    setRTC.WD = 1;
  }
}

void setDecWDay(void) {
  if (setRTC.WD > 1) {
    setRTC.WD --;
  } else {
    setRTC.WD = 7;
  }
}

void setIncMDay(void) {
  valIncrease(&setRTC.Day, 31);
  if (setRTC.Day == 0) {
    setRTC.Day = 1;
  }
}

void setDecMDay(void) {
  valDecrease(&setRTC.Day, 31);
  if (setRTC.Day == 0) {
    setRTC.Day = 0x31;
  }
}

void setIncMonth(void) {
  valIncrease(&setRTC.Mon, 12);
  if (setRTC.Mon == 0) {
    setRTC.Mon = 1;
  }
}

void setDecMonth(void) {
  valDecrease(&setRTC.Mon, 12);
  if (setRTC.Mon == 0) {
    setRTC.Mon = 0x12;
  }
}

void setIncYear(void) {
  valIncrease(&setRTC.Year, 99);
}

void setDecYear(void) {
  valDecrease(&setRTC.Year, 99);
}

/**
  * @brief  Increase BCD value.
  * @param  : val, max
  * @retval : None
  */
static void valIncrease(uint8_t * val, uint8_t max) {
  uint8_t bin = 10 * (*val >> 4) + (*val & 0x0f);
  if (bin < max) {
    bin ++;
  } else {
    bin = 0;
  }
  *val = ((bin / 10 ) << 4) | (bin % 10);
}

/**
  * @brief  Decrease BCD value.
  * @param  : value, max
  * @retval : None
  */
static void valDecrease(uint8_t * val, uint8_t max) {
  uint8_t bin = 10 * (*val >> 4) + (*val & 0x0f);
  if (bin > 0) {
    bin --;
  } else {
    bin = max;
  }
  *val = ((bin / 10 ) << 4) | (bin % 10);
}

#ifdef USE_UART
void usart_putc (char send) {
    // Do nothing for a bit if there is already
    // data waiting in the hardware to be sent
    while ((UCSRA & (1 << UDRE)) == 0) {};
    UDR = send;
}

void usart_puts (const char *send) {
    // Cycle through each character individually
    while (*send) {
        usart_putc(*send++);
    }
}
#endif // USE_UART

#ifdef LAMP_TEST
/**
 * Lamp Test
 */
static void lampValInc(uint8_t n)
{
  if (Digit[n] != DIGIT_BLANK) {
    Digit[n] ++;
  } else {
    Digit[n] = 1;
  }

  if (Digit[n] > 9) {
    Digit[n] = 0;
    if (n > 0) {
      lampValInc(n-1);
    }
  }
}

static void lampTest(void)
{
  uint8_t i=0;
  uint8_t k, x;

  dotOn();
  for (k = 0; k<LAMP_NUM; k++) {
    Digit[k] = DIGIT_BLANK;
  }

  while (true) {

    Digit[LAMP_NUM-1] = i;
    i ++;
    if (i > 9) {
      dotOn();
      i = 0;
      lampValInc(LAMP_NUM-2);
    }
    tdelay_ms(10);

    if (i == 5) {
        dotOff();
    }

    x = 1;
    for (k = 0; k<LAMP_NUM; k++) {
      if (Digit[k] == 9) {
        x ++;
      }
    }
    if (x == LAMP_NUM) {
      tdelay_ms(2000);
      break;
    }

  }
}
#endif // LAMP_TEST

/**
 *  П р е р ы в а н и я
 */

/**
 * @brief RTC one seconds interrupt
 */
ISR (INT1_vect) {
  Flag.RTC_Int = 1;
}

/**
 * @brief Refresh Nixie output
 * @note  Digit[] must be in range 0x00 - 0x0F
 */
#pragma GCC optimize ("O3")
ISR(TIMER2_OVF_vect) {
  static uint8_t idx = 0;

  // reload timer
  TCNT2 = TIMER2_CNT;

  // read current register value and clean bits
  uint8_t pb = PORTB & ~ANODB_PINS;
  uint8_t pd = PORTD & ~ANODD_PINS;
  uint8_t pc = PORTC & ~DIGIT_PINS;

#ifndef USE_BRIGHT_CONTROL
  // power off lamps
  PORTB = pb;
  PORTD = pd;
  PORTC = pc;
#endif

  switch (idx) {
  case 0:
    // output lamp value
    PORTC = pc | Digit[0];
    // power on lamp
    if (Digit[0] != DIGIT_BLANK) {
      if (Flag.blink0 == 0 || Flag.blinkC == 0) {
        PORTD = pd | ANOD1;
      }
    }
    idx = 1;
    break;

  case 1:
    PORTC = pc | Digit[1];
    if (Digit[1] != DIGIT_BLANK) {
      if (Flag.blink0 == 0 || Flag.blinkC == 0) {
        PORTD = pd | ANOD2;
      }
    }
    idx = 2;
    break;

  case 2:
    PORTC = pc | Digit[2];
    if (Digit[2] != DIGIT_BLANK) {
      if (Flag.blink1 == 0 || Flag.blinkC == 0) {
        PORTD = pd | ANOD3;
      }
    }
    idx = 3;
    break;

  case 3:
    PORTC = pc | Digit[3];
    if (Digit[3] != DIGIT_BLANK) {
      if (Flag.blink1 == 0 || Flag.blinkC == 0) {
        PORTB = pb | ANOD4;
      }
    }
    idx = 4;
    break;

  case 4:
    PORTC = pc | Digit[4];
    if (Digit[4] != DIGIT_BLANK) {
      if (Flag.blink2 == 0 || Flag.blinkC == 0) {
        PORTB = pb | ANOD5;
      }
    }
    idx = 5;
    break;

  case 5:
    PORTC = pc | Digit[5];
    if (Digit[5] != DIGIT_BLANK) {
      if (Flag.blink2 == 0 || Flag.blinkC == 0) {
        PORTB = pb | ANOD6;
      }
    }
    idx = 0;
    break;

  default:
    idx = 0;
    break;
  }
}

#ifdef USE_BRIGHT_CONTROL
/**
 * @brief Power Off Nixie output
 * @note  For Brightnes dimming
 */
#pragma GCC optimize ("O3")
ISR(TIMER2_COMP_vect) {
  // power off lamps
  PORTB &= ~ANODB_PINS;
  PORTD &= ~ANODD_PINS;
  PORTC &= ~DIGIT_PINS;
}
/*
ISR(ADC_vect) {
  resultADC = ADCH;
  ADCSRA &= ~(1<<ADIE); // disable interrupt
}*/
#endif // USE_BRIGHT_CONTROL

/**
 * @brief заглушка для неиспользуемых прерываний
 */
ISR(__vector_default,ISR_NAKED) {
  reti();
}