Make upload device configurable

diff --git a/common/build.mk b/common/build.mk
index 96d0f93a7f82b654df4512057a5b270e569edaa8..c56892eae10fbe8f79423c321683fdc2aac42c75 100644 (file)
--- a/common/build.mk
+++ b/common/build.mk
@@ -5,6 +5,7 @@ CFLAGS := -Wall -Os -ffunction-sections -fdata-sections -mmcu=$(MCU) -DF_CPU=$(C
 LDFLAGS := -Os -Wl,--gc-sections -mmcu=$(MCU)
 AVRDUDE := avrdude
 OBJCOPY := avr-objcopy
+DEVICE := /dev/ttyUSB0
 ifeq ($(MCU),atmega168)
 BAUD := 19200
 else
@@ -34,7 +35,7 @@ help:
        $(CC) -c $(CFLAGS) -o $@ $<
 
 upload-%: %.hex
-       $(AVRDUDE) -p$(MCU) -carduino -P/dev/ttyUSB0 -b$(BAUD) -D -Uflash:w:$<:i
+       $(AVRDUDE) -p$(MCU) -carduino -P$(DEVICE) -b$(BAUD) -D -Uflash:w:$<:i
 
 clean:
        $(RM) *.hex