qmk_firmware_custom/keyboards/clockworkpi_keypad/rules.mk

# Copyright 2019 Jack Humbert <jack.humb@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# MCU name
MCU = atmega328p
PROTOCOL = VUSB

# unsupported features for now
NO_UART = yes
NO_SUSPEND_POWER_DOWN = yes

# processor frequency
F_CPU = 16000000

# 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 = usbasp
PROGRAM_CMD = avrdude -c usbasp -p m328p -U flash:w:$(BUILD_DIR)/$(TARGET).hex

# build options
BOOTMAGIC_ENABLE = no
MOUSEKEY_ENABLE = yes
EXTRAKEY_ENABLE = yes
CONSOLE_ENABLE = no
COMMAND_ENABLE = yes
KEY_LOCK_ENABLE = no
NKRO_ENABLE = no            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
AUDIO_ENABLE = no

# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend

OPT_DEFS = -DDEBUG_LEVEL=0
OPT_DEFS += -DBOOTLOADER_SIZE=2048

# custom matrix setup
CUSTOM_MATRIX = yes
SRC = matrix.c