#define uECC_arch_other 0
#define uECC_x86        1
#define uECC_x86_64     2
#define uECC_arm        3
#define uECC_arm_thumb  4
#define uECC_arm_thumb2 5
#define uECC_arm64      6
#define uECC_avr        7

ecc_platform=2

EFM32_DEBUGGER= -s 440083537 --device EFM32JG1B200F128GM32
#EFM32_DEBUGGER= -s 440121060    #dev board

src = $(wildcard pc/*.c) $(wildcard fido2/*.c) $(wildcard crypto/sha256/*.c) crypto/tiny-AES-c/aes.c
obj = $(src:.c=.o) uECC.o

LIBCBOR = tinycbor/lib/libtinycbor.a

ifeq ($(shell uname -s),Darwin)
  export LDFLAGS = -Wl,-dead_strip
else
  export LDFLAGS = -Wl,--gc-sections
endif
LDFLAGS += $(LIBCBOR)
CFLAGS = -O2 -fdata-sections -ffunction-sections

INCLUDES = -I./tinycbor/src -I./crypto/sha256 -I./crypto/micro-ecc/ -Icrypto/tiny-AES-c/ -I./fido2/ -I./pc -I./fido2/extensions

CFLAGS += $(INCLUDES)
# for crypto/tiny-AES-c
CFLAGS += -DAES256=1 -DAPP_CONFIG=\"app.h\"

name = main

.PHONY: all
all: main

tinycbor/Makefile crypto/tiny-AES-c/aes.c:
	git submodule update --init

.PHONY: cbor
cbor: $(LIBCBOR)

$(LIBCBOR): tinycbor/Makefile
	cd tinycbor/ && $(MAKE) clean && $(MAKE) -j8

.PHONY: efm8prog
efm8prog:
	cd './targets/efm8\Keil 8051 v9.53 - Debug' && $(MAKE) all
	flashefm8.exe -part EFM8UB10F8G -sn 440105518 -erase
	flashefm8.exe -part EFM8UB10F8G -sn 440105518 -upload './targets/efm8/Keil 8051 v9.53 - Debug/efm8.hex'

.PHONY: efm32com efm32prog efm32read efm32bootprog
efm32com:
	cd './targets/efm32/GNU ARM v7.2.1 - Debug' && $(MAKE) all
efm32prog: efm32com
	commander flash './targets/efm32/GNU ARM v7.2.1 - Debug/EFM32.hex' $(EFM32_DEBUGGER)  -p "0x1E7FC:0x00000000:4"
efm32read: efm32com
	commander swo read $(EFM32_DEBUGGER)
efm32bootprog: efm32com
	commander flash './efm32boot/GNU ARM v7.2.1 - Debug/efm32boot.hex' $(EFM32_DEBUGGER) --masserase

$(name): $(obj) $(LIBCBOR)
	$(CC) $(LDFLAGS) -o $@ $(obj) $(LDFLAGS)

uECC.o: ./crypto/micro-ecc/uECC.c
	$(CC) -c -o $@ $^ -O2 -fdata-sections -ffunction-sections -DuECC_PLATFORM=$(ecc_platform) -I./crypto/micro-ecc/

env2:
	virtualenv --python=python2.7 env2
	env3/bin/pip --version
	env2/bin/pip install -r tools/requirements.txt

env3:
	# black requires >=py3.6
	virtualenv --python=python3.6 env3 
	env3/bin/pip --version
	env3/bin/pip install -r tools/requirements.txt
	env3/bin/pip install black

.PHONY: black blackcheck wink2 wink3 fido2-test cppcheck test clean
# selectively reformat our own code

blackcheck: export BLACK_CHECK_FLAG := --check
black blackcheck: env3
	env3/bin/black --skip-string-normalization $(BLACK_CHECK_FLAG) tools/

wink2 wink3: wink% : env%
	$</bin/python tools/solotool.py solo --wink

fido2-test: env3
	env3/bin/python tools/ctap_test.py

CPPCHECK_FLAGS=--quiet --error-exitcode=2

cppcheck:
	cppcheck $(CPPCHECK_FLAGS) crypto/aes-gcm
	cppcheck $(CPPCHECK_FLAGS) crypto/sha256
	cppcheck $(CPPCHECK_FLAGS) fido2
	cppcheck $(CPPCHECK_FLAGS) pc

test: main cppcheck blackcheck

clean:
	rm -f *.o main.exe main $(obj)
	rm -rf env2 env3
	for f in crypto/tiny-AES-c/Makefile tinycbor/Makefile ; do \
	    if [ -f "$$f" ]; then \
	    	(cd `dirname $$f` ; git checkout -- .) ;\
	    fi ;\
	done