X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=common%2Fbuild.mk;fp=common%2Fbuild.mk;h=96d0f93a7f82b654df4512057a5b270e569edaa8;hb=9c37d18b9c70fdb70dfec453398c4649e9e57586;hp=0000000000000000000000000000000000000000;hpb=49b6b6ad84ec47b4f9eb9ef131975cc5b72372a2;p=model-railway-devices.git

diff --git a/common/build.mk b/common/build.mk
new file mode 100644
index 0000000..96d0f93
--- /dev/null
+++ b/common/build.mk
@@ -0,0 +1,42 @@
+MCU := atmega328p
+CLOCK := 16000000
+CC := avr-gcc
+CFLAGS := -Wall -Os -ffunction-sections -fdata-sections -mmcu=$(MCU) -DF_CPU=$(CLOCK) $(patsubst %,-D%,$(FEATURES)) -I../common
+LDFLAGS := -Os -Wl,--gc-sections -mmcu=$(MCU)
+AVRDUDE := avrdude
+OBJCOPY := avr-objcopy
+ifeq ($(MCU),atmega168)
+BAUD := 19200
+else
+BAUD := 57600
+endif
+
+VPATH := ../common
+
+help:
+	@echo "Targets:"
+	@echo "  %.hex:    Build firmware from %.c"
+	@echo "  upload-%: Upload firmware to AVR"
+	@echo "  clean:    Clean all built files"
+	@echo
+	@echo "Variables:"
+	@echo "  MCU:      Microcontroller type"
+	@echo "            Arduino Duemilanove = atmega328p (default)"
+	@echo "            Arduino Mini = atmega168"
+
+%.hex: %.elf
+	$(OBJCOPY) -O ihex $< $@
+
+%.elf: %.o
+	$(CC) $(LDFLAGS) -o $@ $^
+
+%.o: %.c
+	$(CC) -c $(CFLAGS) -o $@ $<
+
+upload-%: %.hex
+	$(AVRDUDE) -p$(MCU) -carduino -P/dev/ttyUSB0 -b$(BAUD) -D -Uflash:w:$<:i
+
+clean:
+	$(RM) *.hex
+	$(RM) *.elf
+	$(RM) *.o