Micro.hh

Go to the documentation of this file.

#ifndef COSA_BOARD_ARDUINO_MICRO_HH
#define COSA_BOARD_ARDUINO_MICRO_HH

/* This board is based on ATmega32U4 */
#define BOARD_ATMEGA32U4

#if !defined(UNUSED)
#define UNUSED(x) (void) (x)
#endif

class Board {
  friend class Pin;
  friend class GPIO;
  friend class UART;
private:
  Board() {}

  static volatile uint8_t* SFR(uint8_t pin)
    __attribute__((always_inline))
  {
    return (pin < 8  ? &PINB :
            pin < 16 ? &PINC :
            pin < 24 ? &PIND :
            pin < 32 ? &PINE :
                       &PINF);
  }

  static uint8_t BIT(uint8_t pin)
    __attribute__((always_inline))
  {
    return (pin & 0x07);
  }

  static volatile uint8_t* PCIMR(uint8_t pin)
    __attribute__((always_inline))
  {
    UNUSED(pin);
    return (&PCMSK0);
  }

  static volatile uint8_t* UART(uint8_t port)
    __attribute__((always_inline))
  {
    UNUSED(port);
    return (&UCSR1A);
  }

public:
  static void init() {}

  enum DigitalPin {
    D0 = 18,                    // PD2
    D1 = 19,                    // PD3
    D2 = 17,                    // PD1
    D3 = 16,                    // PD0
    D4 = 20,                    // PD4
    D5 = 14,                    // PC6
    D6 = 23,                    // PD7
    D7 = 30,                    // PE6
    D8 = 4,                     // PB4
    D9 = 5,                     // PB5
    D10 = 6,                    // PB6
    D11 = 7,                    // PB7
    D12 = 22,                   // PD6
    D13 = 15,                   // PC7
    D14 = 39,                   // PF7
    D15 = 38,                   // PF6
    D16 = 37,                   // PF5
    D17 = 36,                   // PF4
    D18 = 33,                   // PF1
    D19 = 32,                   // PF0
    D20 = 0,                    // PB0/SS/RXLED
    D21 = 1,                    // PB1/SCK
    D22 = 2,                    // PB2/MOSI
    D23 = 3,                    // PB3/MISO
    LED = 15,                   // PC7/Not used
    RXLED = 0,                  // PB0/Green
    TXLED = 21                  // PD5/Yellow
  } __attribute__((packed));

  enum AnalogPin {
    A0 = 7,                     // PF7/D14
    A1 = 6,                     // PF6/D15
    A2 = 5,                     // PF5/D16
    A3 = 4,                     // PF4/D17
    A4 = 1,                     // PF1/D18
    A5 = 0,                     // PF0/D19
    A6 = 32,                    // PD4/D4
    A7 = 33,                    // PD6/D12/Not used
    A8 = 34,                    // PD7/D6
    A9 = 35,                    // PB4/D8
    A10 = 36,                   // PB5/D9
    A11 = 37                    // PB6/D10
  } __attribute__((packed));

  enum Reference {
    APIN_REFERENCE = 0,
    AVCC_REFERENCE = _BV(REFS0),
    A2V56_REFERENCE = (_BV(REFS1) | _BV(REFS0))
  } __attribute__((packed));

  enum PWMPin {
    PWM0 = D11,                 // PB7 => OCR0A
    PWM1 = D3,                  // PD0 => OCR0B
    PWM2 = D9,                  // PB5 => OCR1A
    PWM3 = D10,                 // PB6 => OCR1B
    PWM4 = D5,                  // PC6 => OCR3A
    PWM5 = D13,                 // PC7 => OCR4A
    PWM6 = D6                   // PD7 => OCR4D
  } __attribute__((packed));

  enum ExternalInterruptPin {
    EXT0 = D3,                  // PD0
    EXT1 = D2,                  // PD1
    EXT2 = D0,                  // PD2
    EXT3 = D1                   // PD3
  } __attribute__((packed));

  enum InterruptPin {
    PCI0 = D20,                 // PB0
    PCI1 = D21,                 // PB1
    PCI2 = D22,                 // PB2
    PCI3 = D23,                 // PB3
    PCI4 = D8,                  // PB4
    PCI5 = D9,                  // PB5
    PCI6 = D10,                 // PB6
    PCI7 = D11                  // PB7/Not used
  } __attribute__((packed));

  enum {
    ANALOG_PIN_MAX = 12,
    DIGITAL_PIN_MAX = 24,
    EXT_PIN_MAX = 4,
    PCI_PIN_MAX = 8,
    PWM_PIN_MAX = 7
  };

  enum TWIPin {
    SDA = 1,                    // PD1/D2
    SCL = 0                     // PD0/D3
  } __attribute__((packed));

  enum SPIPin {
    SS = 0,                     // PB0/D20
    SCK = 1,                    // PB1/D21
    MOSI = 2,                   // PB2/D22
    MISO = 3                    // PB3/D23
  } __attribute__((packed));

  enum {
    VBG = (_BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1)),
    UART_MAX = 2,
    EXT_MAX = 7,
    PCMSK_MAX = 1,
    PCINT_MAX = 8
  } __attribute__((packed));
};

#define UCSZ00 UCSZ10
#define UCSZ01 UCSZ11
#define UCSZ02 UCSZ12
#define UPM00 UPM10
#define UPM01 UPM11
#define USBS0 USBS1
#define U2X0 U2X1
#define TXC0 TXC1
#define RXCIE0 RXCIE1
#define RXEN0 RXEN1
#define TXEN0 TXEN1
#define UDRE0 UDRE1
#define UDRIE0 UDRIE1
#define TXCIE0 TXCIE1
#if !defined(ADCW)
#define ADCW ADC
#endif

extern "C" {
  void ADC_vect(void) __attribute__ ((signal));
  void ANALOG_COMP_vect(void) __attribute__ ((signal));
  void INT0_vect(void) __attribute__ ((signal));
  void INT1_vect(void) __attribute__ ((signal));
  void INT2_vect(void) __attribute__ ((signal));
  void INT3_vect(void) __attribute__ ((signal));
  void INT6_vect(void) __attribute__ ((signal));
  void PCINT0_vect(void) __attribute__ ((signal));
  void SPI_STC_vect(void) __attribute__ ((signal));
  void TIMER0_COMPA_vect(void) __attribute__ ((signal));
  void TIMER0_COMPB_vect(void) __attribute__ ((signal));
  void TIMER0_OVF_vect(void) __attribute__ ((signal));
  void TIMER1_CAPT_vect(void)  __attribute__ ((signal));
  void TIMER1_COMPA_vect(void) __attribute__ ((signal));
  void TIMER1_COMPB_vect(void) __attribute__ ((signal));
  void TIMER1_COMPC_vect(void) __attribute__ ((signal));
  void TIMER1_OVF_vect(void) __attribute__ ((signal));
  void TIMER3_CAPT_vect(void)  __attribute__ ((signal));
  void TIMER3_COMPA_vect(void) __attribute__ ((signal));
  void TIMER3_COMPB_vect(void) __attribute__ ((signal));
  void TIMER3_COMPC_vect(void) __attribute__ ((signal));
  void TIMER3_OVF_vect(void) __attribute__ ((signal));
  void TIMER4_COMPA_vect(void) __attribute__ ((signal));
  void TIMER4_COMPB_vect(void) __attribute__ ((signal));
  void TIMER4_COMPD_vect(void) __attribute__ ((signal));
  void TIMER4_FPF_vect(void) __attribute__ ((signal));
  void TIMER4_OVF_vect(void) __attribute__ ((signal));
  void TWI_vect(void) __attribute__ ((signal));
  void WDT_vect(void) __attribute__ ((signal));
  void USART1_RX_vect(void) __attribute__ ((signal));
  void USART1_TX_vect(void) __attribute__ ((signal));
  void USART1_UDRE_vect(void) __attribute__ ((signal));
  void USB_COM_vect(void) __attribute__ ((signal));
  void USB_GEN_vect(void) __attribute__ ((signal));
}
#endif