core: 'make dfu' waits for bootloader to start

jackhumbert/qmk_firmware@0b8c448
2016-09-08 13:52:59 +09:00 · 2016-09-08 13:52:59 +09:00 · e5acff0312
commit e5acff0312
parent 384562bc8a
1 changed files with 4 additions and 0 deletions
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@ -420,6 +420,10 @@ flip: $(TARGET).hex
 	batchisp -hardware usb -device $(MCU) -operation start reset 0

 dfu: $(TARGET).hex
+	@until dfu-programmer atmega32u4 get bootloader-version > /dev/null 2>&1; do \
+		echo  -n "."; \
+		sleep 1; \
+	done
 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
 	dfu-programmer $(MCU) erase --force
 else