Added all files

Makefile

@@ -0,0 +1,29 @@
+# Files
+S_FILES=funkey_prod_screens.c \
+prodScreen_failScreen.c \
+prodScreen_waitBattery.c \
+prodScreen_displayTest.c \
+prodScreen_buttonsTest.c \
+prodScreen_speakerTest.c \
+prodScreen_ledTest.c \
+prodScreen_magnetTest.c \
+prodScreen_validation.c
+
+# Output
+EXEC=funkey_prod_screens
+
+# Build settings
+CC=gcc
+# SDL options
+CC_SDL=-lSDL -lSDL_image -lSDL_ttf `sdl-config --cflags --libs`
+# Other options
+CFLAGS=-O3 -std=c99 -Wall
+
+
+all:Build
+
+Build:
+	$(CC) $(S_FILES) -o $(EXEC) $(CC_SDL) $(CFLAGS)
+
+clean:
+	rm $(EXEC)