Start some cleanup

- add an editorconfig
- fix requirements.txt and the UTF-8 issue (lost in pull/47)
- two clean environments
- make black usable
- two test targets (wink2/wink3)

Makefile

@@ -7,7 +7,7 @@
 #define uECC_arm64      6
 #define uECC_avr        7
 
-platform=2
+ecc_platform=2
 
 EFM32_DEBUGGER= -s 440083537 --device EFM32JG1B200F128GM32
 #EFM32_DEBUGGER= -s 440121060    #dev board
@@ -29,7 +29,7 @@ INCLUDES = -I./tinycbor/src -I./crypto/sha256 -I./crypto/micro-ecc/ -Icrypto/tin
 
 CFLAGS += $(INCLUDES)
 # for crypto/tiny-AES-c
-CFLAGS += -DAES256=1 -DAPP_CONFIG=\"app.h\" 
+CFLAGS += -DAES256=1 -DAPP_CONFIG=\"app.h\"
 
 name = main
 
@@ -68,29 +68,33 @@ $(name): $(obj) $(LIBCBOR)
 	$(CC) $(LDFLAGS) -o $@ $(obj) $(LDFLAGS)
 
 uECC.o: ./crypto/micro-ecc/uECC.c
-	$(CC) -c -o $@ $^ -O2 -fdata-sections -ffunction-sections -DuECC_PLATFORM=$(platform) -I./crypto/micro-ecc/
+	$(CC) -c -o $@ $^ -O2 -fdata-sections -ffunction-sections -DuECC_PLATFORM=$(ecc_platform) -I./crypto/micro-ecc/
 
+env2:
+	virtualenv env2
+	env2/bin/pip install -r tools/requirements.txt
 
-# python virtualenv
+env3:
+	python3 -m venv env3
+	env3/bin/pip install -r tools/requirements.txt
+	env3/bin/pip install black
 
-venv:
-	@if ! which virtualenv >/dev/null ; then \
-	    echo "ERR: Sorry, no python virtualenv found. Please consider installing " ;\
-	    echo "     it via something like:" ;\
-	    echo "   sudo apt install python-virtualenv" ;\
-	    echo "     or maybe:" ;\
-	    echo "   pip install virtualenv" ;\
-	fi
-	virtualenv venv
-	./venv/bin/pip install wheel
+# selectively reformat our own code
+black: env3
+	env3/bin/black -S tools/
 
+wink2: env2
+	env2/bin/python tools/solotool.py solo --wink
 
-.PHONY: fido2-test
-fido2-test:
-	./venv/bin/python tools/ctap_test.py
+wink3: env3
+	env3/bin/python tools/solotool.py solo --wink
+
+fido2-test: env3
+	env3/bin/python tools/ctap_test.py
 
 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 -- .) ;\