From 87e426c7c78051ef817f022c6df7c320a00eba1d Mon Sep 17 00:00:00 2001
From: Mike Causer <mcauser@gmail.com>
Date: Thu, 15 Dec 2016 00:34:40 +1100
Subject: [PATCH] esp8266: Add "erase" target to Makefile, to erase entire
 flash.

---
 esp8266/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/esp8266/Makefile b/esp8266/Makefile
index ebf5fc95b6..117ab53f9e 100644
--- a/esp8266/Makefile
+++ b/esp8266/Makefile
@@ -180,6 +180,10 @@ deploy: $(BUILD)/firmware-combined.bin
 	$(ECHO) "Writing $< to the board"
 	$(Q)esptool.py --port $(PORT) --baud $(BAUD) write_flash --verify --flash_size=$(FLASH_SIZE) --flash_mode=$(FLASH_MODE) 0 $<
 
+erase:
+	$(ECHO) "Erase flash"
+	$(Q)esptool.py --port $(PORT) --baud $(BAUD) erase_flash
+
 reset:
 	echo -e "\r\nimport machine; machine.reset()\r\n" >$(PORT)