add skeleton lcd.c

Makefile

@@ -7,17 +7,17 @@ PORT	?= /dev/ttyACM0
 all: notes lcd
 
 notes:
-	${CC} ${CFLAGS} main.c
+	${CC} ${CFLAGS} notes.c
-	${OBJCOPY} -j .text -j .data -O ihex a.out main.hex
+	${OBJCOPY} -j .text -j .data -O ihex a.out notes.hex
 	rm -f a.out
 
 flash_notes: notes
-	avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:main.hex:i
+	avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:notes.hex:i
 
 lcd:
-	${CC} ${CFLAGS} main.c
+	${CC} ${CFLAGS} lcd.c
-	${OBJCOPY} -j .text -j .data -O ihex a.out main.hex
+	${OBJCOPY} -j .text -j .data -O ihex a.out lcd.hex
 	rm -f a.out
 
 flash_lcd: notes
-	avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:main.hex:i
+	avrdude -p atmega328p -c arduino -P ${PORT} -b 115200 -U flash:w:lcd.hex:i

lcd.c

@@ -0,0 +1,7 @@
+#include <avr/io.h>
+
+int
+main()
+{
+
+}