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-rw-r--r--tmk_core/chibios.mk9
1 files changed, 8 insertions, 1 deletions
diff --git a/tmk_core/chibios.mk b/tmk_core/chibios.mk
index 062a712bd1..2a8d32fb99 100644
--- a/tmk_core/chibios.mk
+++ b/tmk_core/chibios.mk
@@ -143,8 +143,15 @@ MCUFLAGS = -mcpu=$(MCU)
DEBUG = gdb
+DFU_ARGS =
+ifneq ("$(SERIAL)","")
+ DFU_ARGS += -S $(SERIAL)
+endif
+
# List any extra directories to look for libraries here.
EXTRALIBDIRS = $(RULESPATH)/ld
+DFU_UTIL ?= dfu-util
+
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