IDF_PATH ?=../thirdparty/ESP8266_RTOS_SDK

all: build/header.bin

build/header.elf: header.c header.ld
	xtensa-lx106-elf-gcc -ffreestanding -nostdlib -I ../thirdparty/rboot -Theader.ld -o $@ $<

build/header.bin: build/header.elf
	xtensa-lx106-elf-objcopy --output-target=binary $< $@
	hd $@

BAUD=115200
BAUD=512000
FLASH_ESPTOOL=python $(IDF_PATH)/components/esptool_py/esptool/esptool.py \
			  --chip esp8266 \
			  --port /dev/ttyUSB0 \
			  --baud $(BAUD) \
			  --before default_reset \
			  --after hard_reset \
			  write_flash \
			  -z \
			  --flash_mode qio \
			  --flash_freq 40m \
			  --flash_size 4MB

flash-boot:
	$(FLASH_ESPTOOL) \
		0x0 build/rboot.bin
		0x3FC000 $(IDF_PATH)/components/esp8266/firmware/esp_init_data_default.bin

flash-1: build/header.bin
#	$(FLASH_ESPTOOL) 0x2000 build/header.bin
#	$(FLASH_ESPTOOL) 0x2010 build/ota_test.bin

flash-2: build/header.bin
#	$(FLASH_ESPTOOL) 0x82000 build/header.bin
#	$(FLASH_ESPTOOL) 0x82010 build/ota_test.bin

flash-all:
	$(FLASH_ESPTOOL) \
		0x0 build/rboot.bin \
		0x2000 build/ota_test.bin \
		0x82000 build/ota_test.bin \
		0x3FC000 $(IDF_PATH)/components/esp8266/firmware/esp_init_data_default.bin