ERROR_IF_NONBOOL ?= $(if $(filter Y N, $($(strip $(1)))), , $(error Makefile $(strip $(1)) option must be Y or N))
# Default values of optionally user-supplied variables
-ATPROGRAM_PROGRAMMER ?= jtagice3
+ATPROGRAM_PROGRAMMER ?= atmelice
ATPROGRAM_INTERFACE ?= jtag
ATPROGRAM_PORT ?=
DMBS_BUILD_MODULES += AVRDUDE
DMBS_BUILD_TARGETS += avrdude avrdude-ee
DMBS_BUILD_MANDATORY_VARS += MCU TARGET
-DMBS_BUILD_OPTIONAL_VARS += AVRDUDE_PROGRAMMER AVRDUDE_PORT AVRDUDE_FLAGS
+DMBS_BUILD_OPTIONAL_VARS += AVRDUDE_PROGRAMMER AVRDUDE_PORT AVRDUDE_FLAGS AVRDUDE_MEMORY
DMBS_BUILD_PROVIDED_VARS +=
DMBS_BUILD_PROVIDED_MACROS +=
# AVRDUDE_PROGRAMMER - Name of programming hardware to use
# AVRDUDE_PORT - Name of communication port to use
# AVRDUDE_FLAGS - Flags to pass to avr-dude
+# AVRDUDE_MEMORY - Memory space to program application into (e.g.
+# "application" for an XMEGA DFU device)
#
# PROVIDED VARIABLES:
#
AVRDUDE_PROGRAMMER ?= jtagicemkii
AVRDUDE_PORT ?= usb
AVRDUDE_FLAGS ?=
+AVRDUDE_MEMORY ?= flash
# Sanity check user supplied values
$(foreach MANDATORY_VAR, $(DMBS_BUILD_MANDATORY_VARS), $(call ERROR_IF_UNSET, $(MANDATORY_VAR)))
# Programs in the target FLASH memory using AVRDUDE
avrdude: $(TARGET).hex $(MAKEFILE_LIST)
@echo $(MSG_AVRDUDE_CMD) Programming device \"$(MCU)\" FLASH using \"$(AVRDUDE_PROGRAMMER)\" on port \"$(AVRDUDE_PORT)\"
- avrdude $(BASE_AVRDUDE_FLAGS) -U flash:w:$< $(AVRDUDE_FLAGS)
+ avrdude $(BASE_AVRDUDE_FLAGS) -U $(AVRDUDE_MEMORY):w:$< $(AVRDUDE_FLAGS)
# Programs in the target EEPROM memory using AVRDUDE
avrdude-ee: $(TARGET).eep $(MAKEFILE_LIST)
BASE_CPP_FLAGS := -x c++ -O$(OPTIMIZATION) -std=$(CPP_STANDARD)
BASE_ASM_FLAGS := -x assembler-with-cpp
+# This flag is required for bootloaders as GCC will emit invalid jump table
+# assembly code for devices with large amounts of flash; the jump table target
+# is extracted from FLASH without using the correct ELPM instruction, resulting
+# in a pseudo-random jump target.
+BASE_CC_FLAGS += -fno-jump-tables
+
# Create a list of flags to pass to the linker
BASE_LD_FLAGS := -lm -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections
ifeq ($(LINKER_RELAXATIONS), Y)
always required, you can pick and choose what other modules you wish to add to
your user project.
+DMBS is also used in the LUFA Project which provides a
+[detailed documentation](http://www.fourwalledcubicle.com/files/LUFA/Doc/151115/html/_page__build_system.html)
+of DMBS.
+
Here's an example user makefile:
MCU = atmega128