DEBUG = gdb
+DFU_ARGS =
+ifneq ("$(SERIAL)","")
+ DFU_ARGS += -S $(SERIAL)
+endif
+
# List any extra directories to look for libraries here.
EXTRALIBDIRS = $(RULESPATH)/ld
dfu-util: $(BUILD_DIR)/$(TARGET).bin sizeafter
- dfu-util -D $(BUILD_DIR)/$(TARGET).bin
\ No newline at end of file
+ dfu-util $(DFU_ARGS) -D $(BUILD_DIR)/$(TARGET).bin