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#
# DMBS Build System
# Released into the public domain.
#
# dean [at] fourwalledcubicle [dot] com
# www.fourwalledcubicle.com
#
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 AVRDUDE_MEMORY
DMBS_BUILD_PROVIDED_VARS +=
DMBS_BUILD_PROVIDED_MACROS +=
SHELL = /bin/sh
ERROR_IF_UNSET ?= $(if $(filter undefined, $(origin $(strip $(1)))), $(error Makefile $(strip $(1)) value not set))
ERROR_IF_EMPTY ?= $(if $(strip $($(strip $(1)))), , $(error Makefile $(strip $(1)) option cannot be blank))
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
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)))
$(call ERROR_IF_EMPTY, MCU)
$(call ERROR_IF_EMPTY, TARGET)
$(call ERROR_IF_EMPTY, AVRDUDE_PROGRAMMER)
$(call ERROR_IF_EMPTY, AVRDUDE_PORT)
# Output Messages
MSG_AVRDUDE_CMD := ' [AVRDUDE] :'
# Construct base avrdude command flags
BASE_AVRDUDE_FLAGS := -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
# 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 $(AVRDUDE_MEMORY):w:$< $(AVRDUDE_FLAGS)
# Programs in the target EEPROM memory using AVRDUDE
avrdude-ee: $(TARGET).eep $(MAKEFILE_LIST)
@echo $(MSG_AVRDUDE_CMD) Programming device \"$(MCU)\" EEPROM using \"$(AVRDUDE_PROGRAMMER)\" on port \"$(AVRDUDE_PORT)\"
avrdude $(BASE_AVRDUDE_FLAGS) -U eeprom:w:$< $(AVRDUDE_FLAGS)
# Phony build targets for this module
.PHONY: $(DMBS_BUILD_TARGETS)
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