avr-device 0.8.1

Register access crate for AVR microcontrollers
Documentation 
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_include:
  - "common/ac.yaml"
  - "common/eeprom.yaml"
  - "common/wdt.yaml"

  - "common/tiny/exint.yaml"
  - "common/tiny/usi.yaml"

  - "timer/attiny85.yaml"

AC:
  _modify:
    DIDR0:
      description: "Digital Input Disable Register 0"
ADC:
  _modify:
    ADCSRA:
      description: "ADC Control and Status Register A"
  ADCSRA:
    ADPS:
      _replace_enum:
        PRESCALER_2: [1, "Prescaler Value 2"]
        PRESCALER_4: [2, "Prescaler Value 4"]
        PRESCALER_8: [3, "Prescaler Value 8"]
        PRESCALER_16: [4, "Prescaler Value 16"]
        PRESCALER_32: [5, "Prescaler Value 32"]
        PRESCALER_64: [6, "Prescaler Value 64"]
        PRESCALER_128: [7, "Prescaler Value 128"]
  ADCSRB:
    ADTS:
      _replace_enum:
        FREE: [0, "Free Running mode"]
        AC: [1, "Analog Comparator"]
        INT0: [2, "External Interrupt Request 0"]
        TC0_CMA: [3, "Timer/Counter0 Compare Match A"]
        TC0_OVF: [4, "Timer/Counter0 Overflow"]
        TC0_CMB: [5, "Timer/Counter0 Compare Match B"]
        PCIR: [6, "Pin Change Interrupt Request"]
  ADMUX:
    _modify:
      MUX:
        _write_constraint: enum
      REFS:
        _write_constraint: enum
    MUX:
      _replace_enum:
        ADC0: [0, "Single-ended Input ADC0"]
        ADC1: [1, "Single-ended Input ADC1"]
        ADC2: [2, "Single-ended Input ADC2"]
        ADC3: [3, "Single-ended Input ADC3"]
        ADC2_ADC2_1X: [4, "Differential Inputs Positive ADC2 Negative ADC2 1x Gain"]
        ADC2_ADC2_20X: [5, "Differential Inputs Positive ADC2 Negative ADC2 20x Gain"]
        ADC2_ADC3_1X: [6, "Differential Inputs Positive ADC2 Negative ADC3 1x Gain"]
        ADC2_ADC3_20X: [7, "Differential Inputs Positive ADC2 Negative ADC3 20x Gain"]
        ADC0_ADC0_1X: [8, "Differential Inputs Positive ADC0 Negative ADC0 1x Gain"]
        ADC0_ADC0_20X: [9, "Differential Inputs Positive ADC0 Negative ADC0 20x Gain"]
        ADC0_ADC1_1X: [10, "Differential Inputs Positive ADC0 Negative ADC1 1x Gain"]
        ADC0_ADC1_20X: [11, "Differential Inputs Positive ADC0 Negative ADC1 20x Gain"]
        ADC_VBG: [12, "Internal Reference (VBG)"]
        ADC_GND: [13, "0V (GND)"]
        TEMPSENS: [15, "Temperature sensor"]
    REFS:
      _replace_enum:
        VCC: [0, "Vcc used as Voltage Reference, disconnected from Aref"]
        AREF: [1, "External Voltage Reference at AREF pin, Internal Voltage Reference turned off"]
        INTERNAL: [2, "Internal Voltage Reference (1.1V when REFS2 is cleared, 2.56V when REFS2 is set) without external bypass"]
        INTERNAL_BYPASS: [3, "Internal 2.56V Voltage Reference with external bypass capacitor at AREF pin (REFS2 must be set)"]
CPU:
  CLKPR:
    CLKPS:
      _replace_enum:
        PRESCALER_1: [0, "Prescaler Value 1"]
        PRESCALER_2: [1, "Prescaler Value 2"]
        PRESCALER_4: [2, "Prescaler Value 4"]
        PRESCALER_8: [3, "Prescaler Value 8"]
        PRESCALER_16: [4, "Prescaler Value 16"]
        PRESCALER_32: [5, "Prescaler Value 32"]
        PRESCALER_64: [6, "Prescaler Value 64"]
        PRESCALER_128: [7, "Prescaler Value 128"]
        PRESCALER_256: [8, "Prescaler Value 256"]
  MCUCR:
    _delete:
      - ISC?
    _add:
      BODS:
        description: "BOD Sleep (available on some devices)"
        bitOffset: 7
        bitWidth: 1
        access: read-write
      BODSE:
        description: "BOD Sleep Enable (available on some devices)"
        bitOffset: 2
        bitWidth: 1
        access: read-write
  PLLCSR:
    _modify:
      PLOCK:
        access: read-only
EXINT:
  # This doesn't work:
  # _modify:
  #   PCMSK:
  #     _write_constraint: [0, 63]
  PCMSK:
    _add:
      PCINT0:
        description: Enable pin change interrupt on pin 0
        bitOffset: 0
        bitWidth: 1
        access: read-write
      PCINT1:
        description: Enable pin change interrupt on pin 1
        bitOffset: 1
        bitWidth: 1
        access: read-write
      PCINT2:
        description: Enable pin change interrupt on pin 2
        bitOffset: 2
        bitWidth: 1
        access: read-write
      PCINT3:
        description: Enable pin change interrupt on pin 3
        bitOffset: 3
        bitWidth: 1
        access: read-write
      PCINT4:
        description: Enable pin change interrupt on pin 4
        bitOffset: 4
        bitWidth: 1
        access: read-write
      PCINT5:
        description: Enable pin change interrupt on pin 5
        bitOffset: 5
        bitWidth: 1
        access: read-write