diff options
| -rw-r--r-- | lib/lufa/Bootloaders/DFU/makefile | 14 | ||||
| -rw-r--r-- | tmk_core/avr.mk | 6 |
2 files changed, 12 insertions, 8 deletions
diff --git a/lib/lufa/Bootloaders/DFU/makefile b/lib/lufa/Bootloaders/DFU/makefile index 0d2014015d..a10a576376 100644 --- a/lib/lufa/Bootloaders/DFU/makefile +++ b/lib/lufa/Bootloaders/DFU/makefile @@ -11,11 +11,11 @@ # Run "make help" for target help. -MCU = atmega32u4 -ARCH = AVR8 -BOARD = QMK -F_CPU = 16000000 -F_USB = $(F_CPU) +MCU ?= atmega32u4 +ARCH ?= AVR8 +BOARD ?= QMK +F_CPU ?= 16000000 +F_USB ?= $(F_CPU) OPTIMIZATION = s TARGET = BootloaderDFU SRC = $(TARGET).c Descriptors.c BootloaderAPI.c BootloaderAPITable.S $(LUFA_SRC_USB) @@ -26,8 +26,8 @@ LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START_OFFSET) $(BOOT_API_LD_FLAG # Flash size and bootloader section sizes of the target, in KB. These must # match the target's total FLASH size and the bootloader size set in the # device's fuses. -FLASH_SIZE_KB = 32 -BOOT_SECTION_SIZE_KB = 4 +FLASH_SIZE_KB ?= 32 +BOOT_SECTION_SIZE_KB ?= 4 # Bootloader address calculation formulas # Do not modify these macros, but rather modify the dependent values above. diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk index 670e141bfd..5bfd5a9b0d 100644 --- a/tmk_core/avr.mk +++ b/tmk_core/avr.mk @@ -310,7 +310,11 @@ extcoff: $(BUILD_DIR)/$(TARGET).elf bootloader: make -C lib/lufa/Bootloaders/DFU/ clean $(TMK_DIR)/make_dfu_header.sh $(ALL_CONFIGS) - make -C lib/lufa/Bootloaders/DFU/ + $(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) $(CFLAGS) $(OPT_DEFS) tmk_core/common/avr/bootloader_size.c 2> /dev/null | sed -ne '/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0)) + $(eval PROGRAM_SIZE_KB=$(shell n=`expr $(MAX_SIZE) / 1024` && echo $$(($$n)) || echo 0)) + $(eval BOOT_SECTION_SIZE_KB=$(shell n=`expr $(BOOTLOADER_SIZE) / 1024` && echo $$(($$n)) || echo 0)) + $(eval FLASH_SIZE_KB=$(shell n=`expr $(PROGRAM_SIZE_KB) + $(BOOT_SECTION_SIZE_KB)` && echo $$(($$n)) || echo 0)) + make -C lib/lufa/Bootloaders/DFU/ MCU=$(MCU) ARCH=$(ARCH) F_CPU=$(F_CPU) FLASH_SIZE_KB=$(FLASH_SIZE_KB) BOOT_SECTION_SIZE_KB=$(BOOT_SECTION_SIZE_KB) printf "BootloaderDFU.hex copied to $(TARGET)_bootloader.hex\n" cp lib/lufa/Bootloaders/DFU/BootloaderDFU.hex $(TARGET)_bootloader.hex |