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-rw-r--r--sw-avr/rom-loader/makefile25
1 files changed, 16 insertions, 9 deletions
diff --git a/sw-avr/rom-loader/makefile b/sw-avr/rom-loader/makefile
index e68174f..85222c8 100644
--- a/sw-avr/rom-loader/makefile
+++ b/sw-avr/rom-loader/makefile
@@ -1,17 +1,24 @@
-CC=avr-gcc
-CARGS=-Wall -mmcu=atmega328p -D__AVR_ATmega328p__ -Os -I.
+SOURCES := main.c usart.c
+OBJECTS := $(patsubst %.c,%.o,$(SOURCES))
-SOURCES=main.c
+CFLAGS := -Wall -mmcu=atmega328p -Os -I. \
+ -D__AVR_ATmega328p__ -DF_CPU=1000000UL -DBAUD=9600
+LDFLAGS :=
.PHONY: all flash clean
-all: rom-loader.bin
+all: rom-loader.hex
-flash: rom-loader.bin
- avrdude -c usbasp -p atmega328p
+flash: rom-loader.hex
+ avrdude -c usbasp -p atmega328p -U flash:w:$<
clean:
- rm rom-loader.bin
+ rm -f *.bin *.hex *.o
-rom-loader.bin: $(SOURCES)
- $(CC) $(CARGS) $< -o $@
+rom-loader.hex: rom-loader.bin
+ avr-objcopy -R .eeprom -O ihex $< $@
+rom-loader.bin: $(OBJECTS)
+ avr-gcc $(CFLAGS) $(OBJECTS) -o $@ $(LDFLAGS)
+
+%.o: %.c
+ avr-gcc $(CFLAGS) $< -c -o $@ $(LDFLAGS)