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- # MCU name
- MCU = atmega16u2
- # Processor frequency.
- # This will define a symbol, F_CPU, in all source code files equal to the
- # processor frequency in Hz. You can then use this symbol in your source code to
- # calculate timings. Do NOT tack on a 'UL' at the end, this will be done
- # automatically to create a 32-bit value in your source code.
- #
- # This will be an integer division of F_USB below, as it is sourced by
- # F_USB after it has run through any CPU prescalers. Note that this value
- # does not *change* the processor frequency - it should merely be updated to
- # reflect the processor speed set externally so that the code can use accurate
- # software delays.
- F_CPU = 16000000
- # LUFA specific
- # Target architecture (see library "Board Types" documentation).
- ARCH = AVR8
- # Input clock frequency.
- # This will define a symbol, F_USB, in all source code files equal to the
- # input clock frequency (before any prescaling is performed) in Hz. This value may
- # differ from F_CPU if prescaling is used on the latter, and is required as the
- # raw input clock is fed directly to the PLL sections of the AVR for high speed
- # clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
- # at the end, this will be done automatically to create a 32-bit value in your
- # source code.
- #
- # If no clock division is performed on the input clock inside the AVR (via the
- # CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
- F_USB = $(F_CPU)
- # Interrupt driven control endpoint task(+60)
- OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
- # Boot Section Size in *bytes*
- # Teensy halfKay 512
- # Teensy++ halfKay 2048
- # Atmel DFU loader 4096
- # LUFA bootloader 4096
- # USBaspLoader 2048
- OPT_DEFS += -DBOOTLOADER_SIZE=4096
- BOOTLOADER = atmel-dfu
- # Build Options
- BOOTMAGIC_ENABLE = lite # Virtual DIP switch configuration
- MOUSEKEY_ENABLE = no # Mouse keys(+4700)
- EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
- CONSOLE_ENABLE = no # Console for debug(+400)
- COMMAND_ENABLE = no # Commands for debug and configuration
- NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
- BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
- MIDI_ENABLE = no # MIDI controls
- AUDIO_ENABLE = no # Audio output on port C6
- UNICODE_ENABLE = no # Unicode
- BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
- RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
- SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
- SPACE_CADET_ENABLE = no
- # Saves about 5% of space:
- LINK_TIME_OPTIMIZATION_ENABLE = yes
- #LAYOUTS = ortho_1x4
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