+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