X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=tmk_core%2Frules.mk;h=66b4cbd88eaf7dd840a0cbc1c2adc807e5140794;hb=a499c19cd0fc8aac8d63d4009145b1f7265ee607;hp=860fc1a9310da970ebecba597c150802f522f37e;hpb=1c73e574f109a17566db99e399bdf86007488d2a;p=max%2Ftmk_keyboard.git

diff --git a/tmk_core/rules.mk b/tmk_core/rules.mk
index 860fc1a9..66b4cbd8 100644
--- a/tmk_core/rules.mk
+++ b/tmk_core/rules.mk
@@ -420,12 +420,18 @@ flip: $(TARGET).hex
 	batchisp -hardware usb -device $(MCU) -operation start reset 0
 
 dfu: $(TARGET).hex
+	@echo -n dfu-programmer: waiting
+	@until dfu-programmer $(MCU) get bootloader-version > /dev/null 2>&1; do \
+		echo  -n "."; \
+		sleep 1; \
+	done
+	@echo
+
 ifneq (, $(findstring 0.7, $(shell dfu-programmer --version 2>&1)))
 	dfu-programmer $(MCU) erase --force
 else
 	dfu-programmer $(MCU) erase
 endif
-	dfu-programmer $(MCU) erase
 	dfu-programmer $(MCU) flash $(TARGET).hex
 	dfu-programmer $(MCU) reset