Fix mfrc522 include

makefile

@@ -14,6 +14,7 @@ SRCS=src/*.cpp test/main.cpp lib/*/src/*.cpp
 default: build flash
 
 build:
+	mkdir -p bin
 	${CC} ${CFLAGS} -o bin/${TARGET}.bin  ${SRCS}
 	${CC} ${CFLAGS} -o bin/${TARGET}.elf  ${SRCS}
 	${OBJCOPY} -j .text -j .data -O ihex bin/${TARGET}.bin bin/${TARGET}.hex

src/mfrc522.cpp

@@ -1,5 +1,5 @@
 #include "spi.h"
-#include "rc522.h"
+#include "mfrc522.h"
 
 ///////////////////////////////////////////////////////////
 

test/main.cpp

@@ -1,4 +1,4 @@
-#include "../src/rc522.h"
+#include "../src/mfrc522.h"
 #include <avr/io.h>
 #include "../lib/usart/src/usart.h"
 #include "string.h"