common_features.mk

   1 # Copyright 2017 Fred Sundvik
   2 #
   3 # This program is free software: you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation, either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 SERIAL_DIR := $(QUANTUM_DIR)/serial_link
  17 SERIAL_PATH := $(QUANTUM_PATH)/serial_link
  18 SERIAL_SRC := $(wildcard $(SERIAL_PATH)/protocol/*.c)
  19 SERIAL_SRC += $(wildcard $(SERIAL_PATH)/system/*.c)
  20 SERIAL_DEFS += -DSERIAL_LINK_ENABLE
  21 COMMON_VPATH += $(SERIAL_PATH)
  22
  23 ifeq ($(strip $(API_SYSEX_ENABLE)), yes)
  24     OPT_DEFS += -DAPI_SYSEX_ENABLE
  25     SRC += $(QUANTUM_DIR)/api/api_sysex.c
  26     OPT_DEFS += -DAPI_ENABLE
  27     SRC += $(QUANTUM_DIR)/api.c
  28     MIDI_ENABLE=yes
  29 endif
  30
  31 MUSIC_ENABLE := 0
  32
  33 ifeq ($(strip $(AUDIO_ENABLE)), yes)
  34     OPT_DEFS += -DAUDIO_ENABLE
  35     MUSIC_ENABLE := 1
  36     SRC += $(QUANTUM_DIR)/process_keycode/process_audio.c
  37     SRC += $(QUANTUM_DIR)/process_keycode/process_clicky.c
  38     ifeq ($(PLATFORM),AVR)
  39         SRC += $(QUANTUM_DIR)/audio/audio.c
  40     else
  41         SRC += $(QUANTUM_DIR)/audio/audio_arm.c
  42     endif
  43     SRC += $(QUANTUM_DIR)/audio/voices.c
  44     SRC += $(QUANTUM_DIR)/audio/luts.c
  45 endif
  46
  47 ifeq ($(strip $(MIDI_ENABLE)), yes)
  48     OPT_DEFS += -DMIDI_ENABLE
  49     MUSIC_ENABLE := 1
  50     SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
  51 endif
  52
  53 ifeq ($(MUSIC_ENABLE), 1)
  54     SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
  55 endif
  56
  57 ifeq ($(strip $(COMBO_ENABLE)), yes)
  58     OPT_DEFS += -DCOMBO_ENABLE
  59     SRC += $(QUANTUM_DIR)/process_keycode/process_combo.c
  60 endif
  61
  62 ifeq ($(strip $(STENO_ENABLE)), yes)
  63     OPT_DEFS += -DSTENO_ENABLE
  64     VIRTSER_ENABLE ?= yes
  65     SRC += $(QUANTUM_DIR)/process_keycode/process_steno.c
  66 endif
  67
  68 ifeq ($(strip $(VIRTSER_ENABLE)), yes)
  69     OPT_DEFS += -DVIRTSER_ENABLE
  70 endif
  71
  72 ifeq ($(strip $(FAUXCLICKY_ENABLE)), yes)
  73     OPT_DEFS += -DFAUXCLICKY_ENABLE
  74     SRC += $(QUANTUM_DIR)/fauxclicky.c
  75 endif
  76
  77 ifeq ($(strip $(POINTING_DEVICE_ENABLE)), yes)
  78     OPT_DEFS += -DPOINTING_DEVICE_ENABLE
  79     OPT_DEFS += -DMOUSE_ENABLE
  80     SRC += $(QUANTUM_DIR)/pointing_device.c
  81 endif
  82
  83 ifeq ($(strip $(UCIS_ENABLE)), yes)
  84     OPT_DEFS += -DUCIS_ENABLE
  85     UNICODE_COMMON := yes
  86     SRC += $(QUANTUM_DIR)/process_keycode/process_ucis.c
  87 endif
  88
  89 ifeq ($(strip $(UNICODEMAP_ENABLE)), yes)
  90     OPT_DEFS += -DUNICODEMAP_ENABLE
  91     UNICODE_COMMON := yes
  92     SRC += $(QUANTUM_DIR)/process_keycode/process_unicodemap.c
  93 endif
  94
  95 ifeq ($(strip $(UNICODE_ENABLE)), yes)
  96     OPT_DEFS += -DUNICODE_ENABLE
  97     UNICODE_COMMON := yes
  98     SRC += $(QUANTUM_DIR)/process_keycode/process_unicode.c
  99 endif
 100
 101 ifeq ($(strip $(UNICODE_COMMON)), yes)
 102     SRC += $(QUANTUM_DIR)/process_keycode/process_unicode_common.c
 103 endif
 104
 105 VALID_EEPROM_DRIVER_TYPES := vendor custom transient i2c
 106 EEPROM_DRIVER ?= vendor
 107 ifeq ($(filter $(EEPROM_DRIVER),$(VALID_EEPROM_DRIVER_TYPES)),)
 108   $(error EEPROM_DRIVER="$(EEPROM_DRIVER)" is not a valid EEPROM driver)
 109 else
 110   OPT_DEFS += -DEEPROM_ENABLE
 111   ifeq ($(strip $(EEPROM_DRIVER)), custom)
 112     OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_CUSTOM
 113     COMMON_VPATH += $(DRIVER_PATH)/eeprom
 114     SRC += eeprom_driver.c
 115   else ifeq ($(strip $(EEPROM_DRIVER)), i2c)
 116     OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_I2C
 117     COMMON_VPATH += $(DRIVER_PATH)/eeprom
 118     QUANTUM_LIB_SRC += i2c_master.c
 119     SRC += eeprom_driver.c eeprom_i2c.c
 120   else ifeq ($(strip $(EEPROM_DRIVER)), transient)
 121     OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_TRANSIENT
 122     COMMON_VPATH += $(DRIVER_PATH)/eeprom
 123     SRC += eeprom_driver.c eeprom_transient.c
 124   else ifeq ($(strip $(EEPROM_DRIVER)), vendor)
 125     OPT_DEFS += -DEEPROM_VENDOR
 126     ifeq ($(PLATFORM),AVR)
 127       # Automatically provided by avr-libc, nothing required
 128     else ifeq ($(PLATFORM),CHIBIOS)
 129       ifeq ($(MCU_SERIES), STM32F3xx)
 130         SRC += $(PLATFORM_COMMON_DIR)/eeprom_stm32.c
 131         SRC += $(PLATFORM_COMMON_DIR)/flash_stm32.c
 132         OPT_DEFS += -DEEPROM_EMU_STM32F303xC
 133         OPT_DEFS += -DSTM32_EEPROM_ENABLE
 134       else ifeq ($(MCU_SERIES), STM32F1xx)
 135         SRC += $(PLATFORM_COMMON_DIR)/eeprom_stm32.c
 136         SRC += $(PLATFORM_COMMON_DIR)/flash_stm32.c
 137         OPT_DEFS += -DEEPROM_EMU_STM32F103xB
 138         OPT_DEFS += -DSTM32_EEPROM_ENABLE
 139       else ifeq ($(MCU_SERIES)_$(MCU_LDSCRIPT), STM32F0xx_STM32F072xB)
 140         SRC += $(PLATFORM_COMMON_DIR)/eeprom_stm32.c
 141         SRC += $(PLATFORM_COMMON_DIR)/flash_stm32.c
 142         OPT_DEFS += -DEEPROM_EMU_STM32F072xB
 143         OPT_DEFS += -DSTM32_EEPROM_ENABLE
 144       else
 145         # This will effectively work the same as "transient" if not supported by the chip
 146         SRC += $(PLATFORM_COMMON_DIR)/eeprom_teensy.c
 147       endif
 148     else ifeq ($(PLATFORM),ARM_ATSAM)
 149       SRC += $(PLATFORM_COMMON_DIR)/eeprom.c
 150     else ifeq ($(PLATFORM),TEST)
 151       SRC += $(PLATFORM_COMMON_DIR)/eeprom.c
 152     endif
 153   endif
 154 endif
 155
 156 ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
 157     POST_CONFIG_H += $(QUANTUM_DIR)/rgblight_post_config.h
 158     OPT_DEFS += -DRGBLIGHT_ENABLE
 159     SRC += $(QUANTUM_DIR)/color.c
 160     SRC += $(QUANTUM_DIR)/rgblight.c
 161     CIE1931_CURVE := yes
 162     LED_BREATHING_TABLE := yes
 163     RGB_KEYCODES_ENABLE := yes
 164     ifeq ($(strip $(RGBLIGHT_CUSTOM_DRIVER)), yes)
 165         OPT_DEFS += -DRGBLIGHT_CUSTOM_DRIVER
 166     else
 167         WS2812_DRIVER_REQUIRED := yes
 168     endif
 169 endif
 170
 171 VALID_MATRIX_TYPES := yes IS31FL3731 IS31FL3733 IS31FL3737 WS2812 custom
 172
 173 LED_MATRIX_ENABLE ?= no
 174 ifneq ($(strip $(LED_MATRIX_ENABLE)), no)
 175     ifeq ($(filter $(LED_MATRIX_ENABLE),$(VALID_MATRIX_TYPES)),)
 176         $(error LED_MATRIX_ENABLE="$(LED_MATRIX_ENABLE)" is not a valid matrix type)
 177     else
 178         OPT_DEFS += -DLED_MATRIX_ENABLE -DBACKLIGHT_ENABLE -DBACKLIGHT_CUSTOM_DRIVER
 179         SRC += $(QUANTUM_DIR)/led_matrix.c
 180         SRC += $(QUANTUM_DIR)/led_matrix_drivers.c
 181     endif
 182 endif
 183
 184 ifeq ($(strip $(LED_MATRIX_ENABLE)), IS31FL3731)
 185     OPT_DEFS += -DIS31FL3731
 186     COMMON_VPATH += $(DRIVER_PATH)/issi
 187     SRC += is31fl3731-simple.c
 188     QUANTUM_LIB_SRC += i2c_master.c
 189 endif
 190
 191 RGB_MATRIX_ENABLE ?= no
 192
 193 ifneq ($(strip $(RGB_MATRIX_ENABLE)), no)
 194 ifeq ($(filter $(RGB_MATRIX_ENABLE),$(VALID_MATRIX_TYPES)),)
 195     $(error RGB_MATRIX_ENABLE="$(RGB_MATRIX_ENABLE)" is not a valid matrix type)
 196 endif
 197     OPT_DEFS += -DRGB_MATRIX_ENABLE
 198     SRC += $(QUANTUM_DIR)/color.c
 199     SRC += $(QUANTUM_DIR)/rgb_matrix.c
 200     SRC += $(QUANTUM_DIR)/rgb_matrix_drivers.c
 201     CIE1931_CURVE := yes
 202     RGB_KEYCODES_ENABLE := yes
 203 endif
 204
 205 ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
 206         RGB_MATRIX_ENABLE := IS31FL3731
 207 endif
 208
 209 ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3731)
 210     OPT_DEFS += -DIS31FL3731 -DSTM32_I2C -DHAL_USE_I2C=TRUE
 211     COMMON_VPATH += $(DRIVER_PATH)/issi
 212     SRC += is31fl3731.c
 213     QUANTUM_LIB_SRC += i2c_master.c
 214 endif
 215
 216 ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3733)
 217     OPT_DEFS += -DIS31FL3733 -DSTM32_I2C -DHAL_USE_I2C=TRUE
 218     COMMON_VPATH += $(DRIVER_PATH)/issi
 219     SRC += is31fl3733.c
 220     QUANTUM_LIB_SRC += i2c_master.c
 221 endif
 222
 223 ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3737)
 224     OPT_DEFS += -DIS31FL3737 -DSTM32_I2C -DHAL_USE_I2C=TRUE
 225     COMMON_VPATH += $(DRIVER_PATH)/issi
 226     SRC += is31fl3737.c
 227     QUANTUM_LIB_SRC += i2c_master.c
 228 endif
 229
 230 ifeq ($(strip $(RGB_MATRIX_ENABLE)), WS2812)
 231     OPT_DEFS += -DWS2812
 232     WS2812_DRIVER_REQUIRED := yes
 233 endif
 234
 235 ifeq ($(strip $(RGB_MATRIX_CUSTOM_KB)), yes)
 236     OPT_DEFS += -DRGB_MATRIX_CUSTOM_KB
 237 endif
 238
 239 ifeq ($(strip $(RGB_MATRIX_CUSTOM_USER)), yes)
 240     OPT_DEFS += -DRGB_MATRIX_CUSTOM_USER
 241 endif
 242
 243 ifeq ($(strip $(RGB_KEYCODES_ENABLE)), yes)
 244     SRC += $(QUANTUM_DIR)/process_keycode/process_rgb.c
 245 endif
 246
 247 ifeq ($(strip $(TAP_DANCE_ENABLE)), yes)
 248     OPT_DEFS += -DTAP_DANCE_ENABLE
 249     SRC += $(QUANTUM_DIR)/process_keycode/process_tap_dance.c
 250 endif
 251
 252 ifeq ($(strip $(KEY_LOCK_ENABLE)), yes)
 253     OPT_DEFS += -DKEY_LOCK_ENABLE
 254     SRC += $(QUANTUM_DIR)/process_keycode/process_key_lock.c
 255 endif
 256
 257 ifeq ($(strip $(PRINTING_ENABLE)), yes)
 258     OPT_DEFS += -DPRINTING_ENABLE
 259     SRC += $(QUANTUM_DIR)/process_keycode/process_printer.c
 260     SRC += $(TMK_DIR)/protocol/serial_uart.c
 261 endif
 262
 263 ifeq ($(strip $(AUTO_SHIFT_ENABLE)), yes)
 264     OPT_DEFS += -DAUTO_SHIFT_ENABLE
 265     SRC += $(QUANTUM_DIR)/process_keycode/process_auto_shift.c
 266     ifeq ($(strip $(AUTO_SHIFT_MODIFIERS)), yes)
 267         OPT_DEFS += -DAUTO_SHIFT_MODIFIERS
 268     endif
 269 endif
 270
 271 ifeq ($(strip $(SERIAL_LINK_ENABLE)), yes)
 272     SRC += $(patsubst $(QUANTUM_PATH)/%,%,$(SERIAL_SRC))
 273     OPT_DEFS += $(SERIAL_DEFS)
 274     VAPTH += $(SERIAL_PATH)
 275 endif
 276
 277 ifneq ($(strip $(VARIABLE_TRACE)),)
 278     SRC += $(QUANTUM_DIR)/variable_trace.c
 279     OPT_DEFS += -DNUM_TRACED_VARIABLES=$(strip $(VARIABLE_TRACE))
 280 ifneq ($(strip $(MAX_VARIABLE_TRACE_SIZE)),)
 281     OPT_DEFS += -DMAX_VARIABLE_TRACE_SIZE=$(strip $(MAX_VARIABLE_TRACE_SIZE))
 282 endif
 283 endif
 284
 285 ifeq ($(strip $(LCD_ENABLE)), yes)
 286     CIE1931_CURVE := yes
 287 endif
 288
 289 # backward compat
 290 ifeq ($(strip $(BACKLIGHT_CUSTOM_DRIVER)), yes)
 291     BACKLIGHT_DRIVER := custom
 292 endif
 293
 294 VALID_BACKLIGHT_TYPES := pwm software custom
 295
 296 BACKLIGHT_ENABLE ?= no
 297 BACKLIGHT_DRIVER ?= pwm
 298 ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
 299     ifeq ($(filter $(BACKLIGHT_DRIVER),$(VALID_BACKLIGHT_TYPES)),)
 300         $(error BACKLIGHT_DRIVER="$(BACKLIGHT_DRIVER)" is not a valid backlight type)
 301     endif
 302
 303     ifeq ($(strip $(VISUALIZER_ENABLE)), yes)
 304         CIE1931_CURVE := yes
 305     endif
 306
 307     COMMON_VPATH += $(QUANTUM_DIR)/backlight
 308     SRC += $(QUANTUM_DIR)/backlight/backlight.c
 309     OPT_DEFS += -DBACKLIGHT_ENABLE
 310
 311     ifeq ($(strip $(BACKLIGHT_DRIVER)), custom)
 312         OPT_DEFS += -DBACKLIGHT_CUSTOM_DRIVER
 313     else ifeq ($(strip $(BACKLIGHT_DRIVER)), software)
 314         SRC += $(QUANTUM_DIR)/backlight/backlight_soft.c
 315     else
 316         ifeq ($(PLATFORM),AVR)
 317             SRC += $(QUANTUM_DIR)/backlight/backlight_avr.c
 318         else
 319             SRC += $(QUANTUM_DIR)/backlight/backlight_arm.c
 320         endif
 321     endif
 322 endif
 323
 324 VALID_WS2812_DRIVER_TYPES := bitbang pwm spi i2c
 325
 326 WS2812_DRIVER ?= bitbang
 327 ifeq ($(strip $(WS2812_DRIVER_REQUIRED)), yes)
 328     ifeq ($(filter $(WS2812_DRIVER),$(VALID_WS2812_DRIVER_TYPES)),)
 329         $(error WS2812_DRIVER="$(WS2812_DRIVER)" is not a valid WS2812 driver)
 330     endif
 331
 332     OPT_DEFS += -DWS2812_DRIVER_$(strip $(shell echo $(WS2812_DRIVER) | tr '[:lower:]' '[:upper:]'))
 333
 334     ifeq ($(strip $(WS2812_DRIVER)), bitbang)
 335         SRC += ws2812.c
 336     else
 337         SRC += ws2812_$(strip $(WS2812_DRIVER)).c
 338     endif
 339
 340     # add extra deps
 341     ifeq ($(strip $(WS2812_DRIVER)), i2c)
 342         QUANTUM_LIB_SRC += i2c_master.c
 343     endif
 344 endif
 345
 346 ifeq ($(strip $(CIE1931_CURVE)), yes)
 347     OPT_DEFS += -DUSE_CIE1931_CURVE
 348     LED_TABLES := yes
 349 endif
 350
 351 ifeq ($(strip $(LED_BREATHING_TABLE)), yes)
 352     OPT_DEFS += -DUSE_LED_BREATHING_TABLE
 353     LED_TABLES := yes
 354 endif
 355
 356 ifeq ($(strip $(LED_TABLES)), yes)
 357     SRC += $(QUANTUM_DIR)/led_tables.c
 358 endif
 359
 360 ifeq ($(strip $(TERMINAL_ENABLE)), yes)
 361     SRC += $(QUANTUM_DIR)/process_keycode/process_terminal.c
 362     OPT_DEFS += -DTERMINAL_ENABLE
 363     OPT_DEFS += -DUSER_PRINT
 364 endif
 365
 366 ifeq ($(strip $(USB_HID_ENABLE)), yes)
 367     include $(TMK_DIR)/protocol/usb_hid.mk
 368 endif
 369
 370 ifeq ($(strip $(ENCODER_ENABLE)), yes)
 371     SRC += $(QUANTUM_DIR)/encoder.c
 372     OPT_DEFS += -DENCODER_ENABLE
 373 endif
 374
 375 HAPTIC_ENABLE ?= no
 376 ifneq ($(strip $(HAPTIC_ENABLE)),no)
 377         COMMON_VPATH += $(DRIVER_PATH)/haptic
 378         SRC += haptic.c
 379         OPT_DEFS += -DHAPTIC_ENABLE
 380 endif
 381
 382 ifneq ($(filter DRV2605L, $(HAPTIC_ENABLE)), )
 383     SRC += DRV2605L.c
 384     QUANTUM_LIB_SRC += i2c_master.c
 385     OPT_DEFS += -DDRV2605L
 386 endif
 387
 388 ifneq ($(filter SOLENOID, $(HAPTIC_ENABLE)), )
 389     SRC += solenoid.c
 390     OPT_DEFS += -DSOLENOID_ENABLE
 391 endif
 392
 393 ifeq ($(strip $(HD44780_ENABLE)), yes)
 394     SRC += drivers/avr/hd44780.c
 395     OPT_DEFS += -DHD44780_ENABLE
 396 endif
 397
 398 ifeq ($(strip $(VELOCIKEY_ENABLE)), yes)
 399     OPT_DEFS += -DVELOCIKEY_ENABLE
 400     SRC += $(QUANTUM_DIR)/velocikey.c
 401 endif
 402
 403 ifeq ($(strip $(VIA_ENABLE)), yes)
 404     DYNAMIC_KEYMAP_ENABLE := yes
 405     RAW_ENABLE := yes
 406     BOOTMAGIC_ENABLE := lite
 407     SRC += $(QUANTUM_DIR)/via.c
 408     OPT_DEFS += -DVIA_ENABLE
 409 endif
 410
 411 ifeq ($(strip $(DYNAMIC_KEYMAP_ENABLE)), yes)
 412     OPT_DEFS += -DDYNAMIC_KEYMAP_ENABLE
 413     SRC += $(QUANTUM_DIR)/dynamic_keymap.c
 414 endif
 415
 416 ifeq ($(strip $(LEADER_ENABLE)), yes)
 417   SRC += $(QUANTUM_DIR)/process_keycode/process_leader.c
 418   OPT_DEFS += -DLEADER_ENABLE
 419 endif
 420
 421 include $(DRIVER_PATH)/qwiic/qwiic.mk
 422
 423 QUANTUM_SRC:= \
 424     $(QUANTUM_DIR)/quantum.c \
 425     $(QUANTUM_DIR)/keymap_common.c \
 426     $(QUANTUM_DIR)/keycode_config.c
 427
 428
 429
 430 VALID_CUSTOM_MATRIX_TYPES:= yes lite no
 431
 432 CUSTOM_MATRIX ?= no
 433
 434 ifneq ($(strip $(CUSTOM_MATRIX)), yes)
 435     ifeq ($(filter $(CUSTOM_MATRIX),$(VALID_CUSTOM_MATRIX_TYPES)),)
 436         $(error CUSTOM_MATRIX="$(CUSTOM_MATRIX)" is not a valid custom matrix type)
 437     endif
 438
 439     # Include common stuff for all non custom matrix users
 440     QUANTUM_SRC += $(QUANTUM_DIR)/matrix_common.c
 441
 442     # if 'lite' then skip the actual matrix implementation
 443     ifneq ($(strip $(CUSTOM_MATRIX)), lite)
 444         # Include the standard or split matrix code if needed
 445         ifeq ($(strip $(SPLIT_KEYBOARD)), yes)
 446             QUANTUM_SRC += $(QUANTUM_DIR)/split_common/matrix.c
 447         else
 448             QUANTUM_SRC += $(QUANTUM_DIR)/matrix.c
 449         endif
 450     endif
 451 endif
 452
 453 DEBOUNCE_DIR:= $(QUANTUM_DIR)/debounce
 454 # Debounce Modules. Set DEBOUNCE_TYPE=custom if including one manually.
 455 DEBOUNCE_TYPE?= sym_g
 456 ifneq ($(strip $(DEBOUNCE_TYPE)), custom)
 457     QUANTUM_SRC += $(DEBOUNCE_DIR)/$(strip $(DEBOUNCE_TYPE)).c
 458 endif
 459
 460 ifeq ($(strip $(SPLIT_KEYBOARD)), yes)
 461     POST_CONFIG_H += $(QUANTUM_DIR)/split_common/post_config.h
 462     OPT_DEFS += -DSPLIT_KEYBOARD
 463
 464     # Include files used by all split keyboards
 465     QUANTUM_SRC += $(QUANTUM_DIR)/split_common/split_util.c
 466
 467     # Determine which (if any) transport files are required
 468     ifneq ($(strip $(SPLIT_TRANSPORT)), custom)
 469         QUANTUM_SRC += $(QUANTUM_DIR)/split_common/transport.c
 470         # Functions added via QUANTUM_LIB_SRC are only included in the final binary if they're called.
 471         # Unused functions are pruned away, which is why we can add multiple drivers here without bloat.
 472         QUANTUM_LIB_SRC += i2c_master.c \
 473                            i2c_slave.c
 474
 475         SERIAL_DRIVER ?= bitbang
 476         ifeq ($(strip $(SERIAL_DRIVER)), bitbang)
 477             QUANTUM_LIB_SRC += serial.c
 478         else
 479             QUANTUM_LIB_SRC += serial_$(strip $(SERIAL_DRIVER)).c
 480         endif
 481     endif
 482     COMMON_VPATH += $(QUANTUM_PATH)/split_common
 483 endif
 484
 485 ifeq ($(strip $(OLED_DRIVER_ENABLE)), yes)
 486     OPT_DEFS += -DOLED_DRIVER_ENABLE
 487     COMMON_VPATH += $(DRIVER_PATH)/oled
 488     QUANTUM_LIB_SRC += i2c_master.c
 489     SRC += oled_driver.c
 490 endif
 491
 492 SPACE_CADET_ENABLE ?= yes
 493 ifeq ($(strip $(SPACE_CADET_ENABLE)), yes)
 494   SRC += $(QUANTUM_DIR)/process_keycode/process_space_cadet.c
 495   OPT_DEFS += -DSPACE_CADET_ENABLE
 496 endif
 497
 498 MAGIC_ENABLE ?= yes
 499 ifeq ($(strip $(MAGIC_ENABLE)), yes)
 500     SRC += $(QUANTUM_DIR)/process_keycode/process_magic.c
 501     OPT_DEFS += -DMAGIC_KEYCODE_ENABLE
 502 endif
 503
 504 ifeq ($(strip $(DYNAMIC_MACRO_ENABLE)), yes)
 505     SRC += $(QUANTUM_DIR)/process_keycode/process_dynamic_macro.c
 506     OPT_DEFS += -DDYNAMIC_MACRO_ENABLE
 507 endif
 508
 509 ifeq ($(strip $(DIP_SWITCH_ENABLE)), yes)
 510   SRC += $(QUANTUM_DIR)/dip_switch.c
 511   OPT_DEFS += -DDIP_SWITCH_ENABLE
 512 endif