SRC += i2c.c SRC += serial.c SRC += ssd1306.c # if firmware size over limit, try this option # CFLAGS += -flto # MCU name MCU = atmega32u4 # 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) # Bootloader # This definition is optional, and if your keyboard supports multiple bootloaders of # different sizes, comment this out, and the correct address will be loaded # automatically (+60). See bootloader.mk for all options. BOOTLOADER = caterina # Interrupt driven control endpoint task(+60) OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT # Build Options # change to "no" to disable the options, or define them in the Makefile in # the appropriate keymap folder that will get included automatically # BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000) MOUSEKEY_ENABLE = no # Mouse keys(+4700) EXTRAKEY_ENABLE = no # 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. SUBPROJECT_rev1 = no USE_I2C = yes # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend CUSTOM_MATRIX = yes DEFAULT_FOLDER = crkbd/rev1