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# define the cpu used by the arduino uno and duemilanove boards
export CPU = atmega328p
# define port used to flash the board
OS = $(shell uname)
ifeq ($(OS),Linux)
PORT = $(LINUX_PORT)
else ifeq ($(OS),Darwin)
PORT ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
else
$(info CAUTION: No flash tool for your host system found!)
# TODO: fix for building under windows
endif
export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
export TERMFLAGS = -b 9600 -p $(PORT)
export FLASHER = avrdude
export PORT
export DIST_PATH = $(RIOTBOARD)/$(BOARD)/dist
export DEBUGSERVER_PORT = 4242
export DEBUGSERVER = $(DIST_PATH)/debug_srv.sh
export DEBUGSERVER_FLAGS = "-g -j usb :$(DEBUGSERVER_PORT)"
export DEBUGGER_FLAGS = "-x $(RIOTBOARD)/$(BOARD)/dist/gdb.conf $(ELFFILE)"
export DEBUGGER = $(DIST_PATH)/debug.sh $(DEBUGSERVER_FLAGS) $(DIST_PATH) $(DEBUGSERVER_PORT)
# PROGRAMMER defaults to arduino which is the internal flasher via USB. Can be
# overridden for debugging (which requires changes that require to use an ISP)
export PROGRAMMER ?= arduino
ifeq ($(PROGRAMMER), arduino)
export PROGRAMMER_FLAGS = -P $(PORT) -b $(PROGRAMMER_SPEED)
endif
# define build specific options
export CFLAGS_CPU = -mmcu=atmega328p $(CFLAGS_FPU)
export CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
export CFLAGS_DBG = -ggdb -g3
export CFLAGS_OPT ?= -Os
export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -e reset_handler
export OFLAGS += -j .text -j .data -O ihex
export FFLAGS += -p atmega328p -c $(PROGRAMMER) $(PROGRAMMER_FLAGS) -F -D -U flash:w:bin/$(BOARD)/$(PROJECT)$(APPLICATION).hex
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