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-rw-r--r--docs/flashing.md6
-rw-r--r--tmk_core/avr.mk12
2 files changed, 17 insertions, 1 deletions
diff --git a/docs/flashing.md b/docs/flashing.md
index e5fe59f8f0..66c08a3610 100644
--- a/docs/flashing.md
+++ b/docs/flashing.md
@@ -78,6 +78,12 @@ or
make <keyboard>:<keymap>:avrdude
+or if you want to flash multiple boards, use the following command
+
+ make <keyboard>:<keymap>:avrdude-loop
+
+When you're done flashing boards, you'll need to hit Ctrl + C or whatever the correct keystroke is for your operating system to break the loop.
+
## Halfkay
Halfkay is a super-slim protocol developed by PJRC that uses HID, and come on all Teensys (namely the 2.0).
diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
index 2f955b18fe..add904c9c5 100644
--- a/tmk_core/avr.mk
+++ b/tmk_core/avr.mk
@@ -169,7 +169,8 @@ dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
fi
$(DFU_PROGRAMMER) $(MCU) reset
-avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+define EXEC_AVRDUDE
+ USB= ;\
if $(GREP) -q -s Microsoft /proc/version; then \
echo 'ERROR: AVR flashing cannot be automated within the Windows Subsystem for Linux (WSL) currently. Instead, take the .hex file generated and flash it using AVRDUDE, AVRDUDESS, or XLoader.'; \
else \
@@ -191,6 +192,15 @@ avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
sleep 1; \
avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
fi
+endef
+
+avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+ $(call EXEC_AVRDUDE)
+
+avrdude-loop: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
+ while true; do \
+ $(call EXEC_AVRDUDE) ; \
+ done
# Convert hex to bin.
bin: $(BUILD_DIR)/$(TARGET).hex