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-rw-r--r--tmk_core/avr.mk7
1 files changed, 5 insertions, 2 deletions
diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
index d22c3bbcad..79fdf4de53 100644
--- a/tmk_core/avr.mk
+++ b/tmk_core/avr.mk
@@ -214,12 +214,15 @@ define EXEC_AVRDUDE
mv /tmp/2 /tmp/1; \
done; \
echo ""; \
- echo "Detected controller on USB port at $$USB"; \
+ echo "Device $$USB has appeared; assuming it is the controller."; \
if $(GREP) -q -s 'MINGW\|MSYS' /proc/version; then \
USB=`echo "$$USB" | perl -pne 's/\/dev\/ttyS(\d+)/COM.($$1+1)/e'`; \
echo "Remapped MSYS2 USB port to $$USB"; \
+ sleep 1; \
+ else \
+ printf "Waiting for $$USB to become writable."; \
+ while [ ! -w "$$USB" ]; do sleep 0.5; printf "."; done; echo ""; \
fi; \
- sleep 1; \
avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
fi
endef