avr-device 0.8.1

Register access crate for AVR microcontrollers
Documentation 
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# Patches for the Analog Comparator
#
# - Make the control-register actually writable
# - Fix the description of the "Interrupt Mode Select" field
# - Make just the Output field of ACSR read-only
# - Fix the "Interrupt Mode Select" enumerated values
AC:
  ACSR,ACSR?A,ACSRA:
    _modify:
      ACIS,ACIS?:
        description: "Analog Comparator Interrupt Mode Select"
      ACO*:
        access: read-only
    ACIS,ACIS?:
      _replace_enum:
        ON_TOGGLE: [0, "Interrupt on Toggle"]
        # Leaving [1, 'Reserved'] out
        ON_FALLING_EDGE: [2, "Interrupt on Falling Edge"]
        ON_RISING_EDGE: [3, "Interrupt on Rising Edge"]