Split Makefile and configuration, restructure targets

firmware/Makefile

@@ -1,16 +1,41 @@
-CC=avr-gcc
-CFLAGS=-g -Os -Wall -mcall-prologues -mmcu=attiny2313
-OBJ2HEX=avr-objcopy 
-AVRDUDE=avrdude
-TARGET=midifs
+# Include environment config
+include Makefile.config
+
+# Project specific settings
+TARGET = midifs
+MCU = t2313
+
+help:
+	@echo
+	@echo "Availiable targets:"
+	@echo "    help     Displays this help"
+	@echo
+	@echo "    compile  Compiles source code"
+	@echo "    info     Outputs device memory information"
+	@echo "    program  Programs the device"
+	@echo "    clean    Deletes temporary files"
+	@echo
+	@echo "    all      Compile, info, program, clean"
+	@echo
+
+# Some C flags
+CFLAGS=-g -Os -Wall -mcall-prologues -mmcu=attiny2313
+
+all: compile info program clean
+
+compile: $(TARGET).hex
+
+info:
+	avr-size $(TARGET).hex
+
+program: compile
+	@$(AVRDUDE) -p $(MCU) -c $(PGMDEV) -P $(PGMOPT) -U flash:w:$(TARGET).hex:i
 
-program : $(TARGET).hex
-	$(AVRDUDE) -p t2313 -c stk500v2 -P /dev/ttyS0 -U $(TARGET).hex
 %.obj : %.o
 	$(CC) $(CFLAGS) $< -o $@
 
 %.hex : %.obj
-	$(OBJ2HEX) -R .eeprom -O ihex $< $@
+	@$(OBJ2HEX) -R .eeprom -O ihex $< $@
 
-clean :
-	rm -f *.hex *.obj *.o
+clean:
+	@$(REMOVE) *.hex *.obj *.o