From 4f1f52b53ba66ff83ce57e662c27b309ead9c693 Mon Sep 17 00:00:00 2001
From: Drashna Jaelre <drashna@live.com>
Date: Fri, 14 Dec 2018 18:39:54 -0800
Subject: [PATCH] Add left/right EEPROM flashing for DFU (#4560)

---
 tmk_core/avr.mk | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/tmk_core/avr.mk b/tmk_core/avr.mk
index add904c9c5..0c3a9624cb 100644
--- a/tmk_core/avr.mk
+++ b/tmk_core/avr.mk
@@ -169,6 +169,36 @@ dfu-ee: $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).eep
 	fi
 	$(DFU_PROGRAMMER) $(MCU) reset
 
+dfu-split-left: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
+	until $(DFU_PROGRAMMER) $(MCU) get bootloader-version; do\
+		echo "Error: Bootloader not found. Trying again in 5s." ;\
+		sleep 5 ;\
+	done
+	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
+		$(DFU_PROGRAMMER) $(MCU) erase --force;\
+		$(DFU_PROGRAMMER) $(MCU) flash --eeprom $(QUANTUM_PATH)/split_common/eeprom-lefthand.eep;\
+	else\
+		$(DFU_PROGRAMMER) $(MCU) erase;\
+		$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(QUANTUM_PATH)/split_common/eeprom-lefthand.eep;\
+	fi
+	$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex
+	$(DFU_PROGRAMMER) $(MCU) reset
+
+dfu-split-right: $(BUILD_DIR)/$(TARGET).hex cpfirmware check-size
+	until $(DFU_PROGRAMMER) $(MCU) get bootloader-version; do\
+		echo "Error: Bootloader not found. Trying again in 5s." ;\
+		sleep 5 ;\
+	done
+	if $(DFU_PROGRAMMER) --version 2>&1 | $(GREP) -q 0.7 ; then\
+		$(DFU_PROGRAMMER) $(MCU) erase --force;\
+		$(DFU_PROGRAMMER) $(MCU) flash --eeprom $(QUANTUM_PATH)/split_common/eeprom-righthand.eep;\
+	else\
+		$(DFU_PROGRAMMER) $(MCU) erase;\
+		$(DFU_PROGRAMMER) $(MCU) flash-eeprom $(QUANTUM_PATH)/split_common/eeprom-rightand.eep;\
+	fi
+	$(DFU_PROGRAMMER) $(MCU) flash $(BUILD_DIR)/$(TARGET).hex
+	$(DFU_PROGRAMMER) $(MCU) reset
+
 define EXEC_AVRDUDE
 	USB= ;\
 	if $(GREP) -q -s Microsoft /proc/version; then \
@@ -279,4 +309,3 @@ production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
 	@cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
 	echo "File sizes:"
 	$(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex
-