# Set toolchain path if arm-none-eabi- binaries are not in user path
#TOOLCHAIN_PATH ?= 
TERMINAL ?= gnome-terminal -e

FLASH_START_ADDRESS = $(shell $(OBJDUMP) -h $(ELF) -j .text | grep .text | awk '{print $$4}')

ifdef SEGGER_SERIAL
JLINKEXE_OPTION = -SelectEmuBySn $(SEGGER_SERIAL)
JLINKGDBSERVER_OPTION = -select USB=$(SEGGER_SERIAL)
endif

MAKE_BUILD_FOLDER = mkdir -p $(OUTPUT_PATH)

JLINK = -JLinkExe $(JLINK_OPTIONS) $(JLINKEXE_OPTION)
JLINKGDBSERVER = JLinkGDBServer $(JLINK_OPTIONS) $(JLINKGDBSERVER_OPTION)

SOFTDEVICE_OUTPUT = $(OUTPUT_PATH)$(notdir $(SOFTDEVICE))

clean:
	rm -rf $(OUTPUT_PATH)
	rm -f *.jlink
	rm -f JLink.log
	rm -f .gdbinit
	rm -f bulk-program/*.hex

flash: all flash.jlink
	$(JLINK) flash.jlink

flash.jlink:
	printf "r\nloadbin $(BIN) $(FLASH_START_ADDRESS)\nr\ng\nexit\n" > flash.jlink

flash-softdevice: erase-all flash-softdevice.jlink
ifndef SOFTDEVICE
	$(error "You need to set the SOFTDEVICE command-line parameter to a path (without spaces) to the softdevice hex-file")
endif

	$(OBJCOPY) -Iihex -Obinary $(SOFTDEVICE) $(SOFTDEVICE_OUTPUT:.hex=.bin)
	$(JLINK) flash-softdevice.jlink

flash-softdevice.jlink:
	# Write to NVMC to enable write. Write mainpart, write UICR. Assumes device is erased.
	printf "w4 4001e504 1\nloadbin \"$(SOFTDEVICE_OUTPUT:.hex=.bin)\" 0\nr\ng\nexit\n" > flash-softdevice.jlink

recover: recover.jlink erase-all.jlink pin-reset.jlink
	$(JLINK) recover.jlink
	$(JLINK) erase-all.jlink
	$(JLINK) pin-reset.jlink

recover.jlink:
	printf "si 0\nt0\nsleep 1\ntck1\nsleep 1\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\nt0\nsleep 2\nt1\nsleep 2\ntck0\nsleep 100\nsi 1\nr\nexit\n" > recover.jlink

pin-reset.jlink:
	printf "w4 40000544 1\nr\nexit\n" > pin-reset.jlink

pin-reset: pin-reset.jlink
	$(JLINK) pin-reset.jlink

reset: reset.jlink
	$(JLINK) reset.jlink

reset.jlink:
	printf "r\ng\nexit\n" > reset.jlink

erase-all: erase-all.jlink
	$(JLINK) erase-all.jlink

erase-all.jlink:
	# Write to NVMC to enable erase, do erase all, wait for completion. reset
	printf "w4 4001e504 2\nw4 4001e50c 1\nsleep 100\nr\nexit\n" > erase-all.jlink

startdebug: debug-gdbinit
	$(TERMINAL) "$(JLINKGDBSERVER) -port $(GDB_PORT_NUMBER)"
	sleep 1
	$(TERMINAL) "$(GDB) $(ELF)"

debug-gdbinit:
	printf "target remote localhost:$(GDB_PORT_NUMBER)\nbreak main\n" > .gdbinit

.PHONY: flash flash-softdevice erase-all startdebug

TEST_CFLAGS=-std=gnu99 -g -Wall -Werror -I.. -I . -DHOST_BUILD -Os

test:
	$(HOST_CC) $(TEST_CFLAGS) -lcrypto block.c aes.c cmac.c tests/test_cmac.c -o tests/test_cmac
	./tests/test_cmac
	$(HOST_CC) $(TEST_CFLAGS) -lcrypto block.c aes.c ctr.c tests/test_ctr.c -o tests/test_ctr
	./tests/test_ctr
	$(HOST_CC) $(TEST_CFLAGS) -lcrypto block.c aes.c ctr.c cmac.c eax.c tests/test_eax.c -o tests/test_eax
	./tests/test_eax
	$(HOST_CC) $(TEST_CFLAGS) -lcrypto block.c aes.c cmac.c ckdf.c tests/test_ckdf.c -o tests/test_ckdf
	./tests/test_ckdf