Add lab files

labs/lab1-ex3/Makefile

@@ -0,0 +1,51 @@
+# File:   Makefile
+# Author: M. P. Hayes, UCECE
+# Date:   12 Sep 2010
+# Descr:  Makefile for lab1-ex3
+
+# Definitions.
+CC = avr-gcc
+CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I. -I../../drivers/avr
+OBJCOPY = avr-objcopy
+SIZE = avr-size
+DEL = rm
+
+
+# Default target.
+all: lab1-ex3.out
+
+
+# Compile: create object files from C source files.
+lab1-ex3.o: lab1-ex3.c ../../drivers/avr/system.h button.h led.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+button.o: button.c button.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+led.o: led.c led.h
+	$(CC) -c $(CFLAGS) $< -o $@
+
+
+
+# Link: create ELF output file from object files.
+lab1-ex3.out: lab1-ex3.o system.o button.o led.o
+	$(CC) $(CFLAGS) $^ -o $@ -lm
+	$(SIZE) $@
+
+
+# Target: clean project.
+.PHONY: clean
+clean: 
+	-$(DEL) *.o *.out *.hex
+
+
+# Target: program project.
+.PHONY: program
+program: lab1-ex3.out
+	$(OBJCOPY) -O ihex lab1-ex3.out lab1-ex3.hex
+	dfu-programmer atmega32u2 erase; dfu-programmer atmega32u2 flash lab1-ex3.hex; dfu-programmer atmega32u2 start
+
+