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-rw-r--r--keyboards/lets_split/rules.mk12
1 files changed, 12 insertions, 0 deletions
diff --git a/keyboards/lets_split/rules.mk b/keyboards/lets_split/rules.mk
index 1aee5313c1..0efa785505 100644
--- a/keyboards/lets_split/rules.mk
+++ b/keyboards/lets_split/rules.mk
@@ -73,3 +73,15 @@ USE_I2C ?= yes
SLEEP_LED_ENABLE ?= no # Breathing sleep LED during USB suspend
CUSTOM_MATRIX = yes
+
+avrdude: build
+ ls /dev/tty* > /tmp/1; \
+ echo "Reset your Pro Micro now"; \
+ while [[ -z $$USB ]]; do \
+ sleep 1; \
+ ls /dev/tty* > /tmp/2; \
+ USB=`diff /tmp/1 /tmp/2 | grep -o '/dev/tty.*'`; \
+ done; \
+ avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex
+
+.PHONY: avrdude