Add avrdude split EE_HANDS flash commands (#5414)
* Add EEPROM avrdude flashing commands for setting handedness * Update docs with info on flashing EEPROM handedness files with commands
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2 changed files with 16 additions and 2 deletions
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@ -208,9 +208,13 @@ There are a few different ways to set handedness for split keyboards (listed in
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1. Set `SPLIT_HAND_PIN`: Reads a pin to determine handedness. If pin is high, it's the left side, if low, the half is determined to be the right side
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2. Set `EE_HANDS` and flash `eeprom-lefthand.eep`/`eeprom-righthand.eep` to each half
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* For boards with DFU bootloader you can use `:dfu-split-left`/`:dfu-split-right` to flash these EEPROM files
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* For boards with Caterina bootloader (like stock Pro Micros), use `:avrdude-split-left`/`:avrdude-split-right`
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3. Set `MASTER_RIGHT`: Half that is plugged into the USB port is determined to be the master and right half (inverse of the default)
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4. Default: The side that is plugged into the USB port is the master half and is assumed to be the left half. The slave side is the right half
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#### Defines for handedness
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* `#define SPLIT_HAND_PIN B7`
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* For using high/low pin to determine handedness, low = right hand, high = left hand. Replace `B7` with the pin you are using. This is optional, and if you leave `SPLIT_HAND_PIN` undefined, then you can still use the EE_HANDS method or MASTER_LEFT / MASTER_RIGHT defines like the stock Let's Split uses.
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@ -223,7 +223,11 @@ define EXEC_AVRDUDE
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printf "Waiting for $$USB to become writable."; \
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while [ ! -w "$$USB" ]; do sleep 0.5; printf "."; done; echo ""; \
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fi; \
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avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
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if [ -z "$(1)" ]; then \
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avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex; \
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else \
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avrdude -p $(MCU) -c avr109 -P $$USB -U flash:w:$(BUILD_DIR)/$(TARGET).hex -U eeprom:w:$(QUANTUM_PATH)/split_common/$(1); \
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fi \
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fi
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endef
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@ -232,9 +236,15 @@ avrdude: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
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avrdude-loop: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
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while true; do \
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$(call EXEC_AVRDUDE) ; \
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$(call EXEC_AVRDUDE) ; \
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done
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avrdude-split-left: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
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$(call EXEC_AVRDUDE,eeprom-lefthand.eep)
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avrdude-split-right: $(BUILD_DIR)/$(TARGET).hex check-size cpfirmware
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$(call EXEC_AVRDUDE,eeprom-righthand.eep)
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# Convert hex to bin.
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bin: $(BUILD_DIR)/$(TARGET).hex
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$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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