avr-device 0.8.1

Register access crate for AVR microcontrollers
Documentation 
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_include:
  - "common/ac.yaml"
  - "common/adc.yaml"
  - "common/spi.yaml"
  - "common/usart.yaml"
  - "timer/atmega128a.yaml"

USART?:
  UCSR?C:
    _modify:
      UMSEL?:
        bitRange: "[7:6]"

# Patches for the Two-Wire-Interface peripheral (i2c)
#
# - Make the Control Register read-write with only the
#   "Write Collision Flag" being read-only
# - Fix the Prescaler enumerated values
TWI*:
  TWCR:
    _modify:
      TWWC:
        access: read-only
  TWSR:
    _modify:
      TWS:
        access: read-only
    TWPS:
      _replace_enum:
        PRESCALER_1: [0, "Prescaler Value 1"]
        PRESCALER_4: [1, "Prescaler Value 4"]
        PRESCALER_16: [2, "Prescaler Value 16"]
        PRESCALER_64: [3, "Prescaler Value 64"]

WDT:
  WDTCR:
    _delete:
      - WDP
    _add:
      WDPL:
        description: "Watchdog Timer Prescaler - Low Bits"
        bitRange: "[2:0]"
    WDPL:
      CYCLES_16K:      [0, "- 16K (16,384) cycles, ~14ms"]
      CYCLES_32K:      [1, "- 32K (32,768) cycles, ~28ms"]
      CYCLES_64K:      [2, "- 64K (65,536) cycles, ~56ms"]
      CYCLES_128K:     [3, "- 128K (131,072) cycles, ~0.11s"]
      CYCLES_256K:     [4, "- 256K (262,144) cycles, ~0.22s"]
      CYCLES_512K:     [5, "- 512K (524,288) cycles, ~0.45s"]
      CYCLES_1024K:     [6, "- 1024K (1,048,576) cycles, ~0.9s"]
      CYCLES_2048K:     [7, "- 2048K (2,097,152) cycles, ~1.8s"]

ADC:
  ADMUX:
    MUX:
      _replace_enum:
        ADC0: [0, "ADC Single Ended Input pin 0"]
        ADC1: [1, "ADC Single Ended Input pin 1"]
        ADC2: [2, "ADC Single Ended Input pin 2"]
        ADC3: [3, "ADC Single Ended Input pin 3"]
        ADC4: [4, "ADC Single Ended Input pin 4"]
        ADC5: [5, "ADC Single Ended Input pin 5"]
        ADC6: [6, "ADC Single Ended Input pin 6"]
        ADC7: [7, "ADC Single Ended Input pin 7"]
        ADC_VBG: [29, "Internal Reference (VBG)"]
        ADC_GND: [31, "0V (GND)"]