# Define the cpu used by the CC2538DK board:
export CPU        = cc2538

export CPU_MODEL ?= cc2538nf53

# Define tools used for building the project:
export PREFIX ?= arm-none-eabi-

export CC      = $(PREFIX)gcc
export AR      = $(PREFIX)ar
export AS      = $(PREFIX)as
export LINK    = $(PREFIX)gcc
export SIZE    = $(PREFIX)size
export OBJCOPY = $(PREFIX)objcopy
export OBJDUMP = $(PREFIX)objdump

export TERMPROG  ?= $(RIOTBASE)/dist/tools/pyterm/pyterm

# Define the flash-tool and default port:
export FLASHER   ?= python $(RIOTBOARD)/$(BOARD)/dist/cc2538-bsl.py
export PORT      ?= /dev/ttyUSB1

# Define build specific options:
export CPU_USAGE  = -mcpu=cortex-m3

export ASFLAGS   += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
export CFLAGS    += $(ASFLAGS) -std=gnu99 -mthumb -mthumb-interwork -nostartfiles -Os -Wall -Wstrict-prototypes -ffunction-sections -fdata-sections -fno-builtin
export LINKFLAGS += $(CFLAGS) -static -lgcc -T$(LINKERSCRIPT) -L$(RIOTCPU)/$(CPU)
export OFLAGS    += -O binary --gap-fill 0xff
export FFLAGS    += -p "$(PORT)" -e -w -v bin/$(BOARD)/$(APPLICATION).hex
export TERMFLAGS += -p "$(PORT)"

export OBJDUMPFLAGS += --disassemble --source --disassembler-options=force-thumb

# Use the nano-specs of the NewLib when available:
ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
    export LINKFLAGS += -specs=nano.specs -lc -lnosys
endif

# Export board specific includes to the global includes-listing:
export INCLUDES  += -I$(RIOTBOARD)/$(BOARD)/include