# ESP32 specific flashing options
FLASH_CHIP  = esp32
FLASH_MODE ?= dout
FLASH_FREQ  = 40m   # DO NOT CHANGE
FLASH_SIZE ?= 4
BOOTLOADER_POS = 0x1000

ESPTOOL ?= $(RIOTTOOLS)/esptools/esptool_v3.2.py

include $(RIOTCPU)/esp_common/Makefile.include

# regular Makefile

TARGET_ARCH_ESP32 ?= xtensa-esp32-elf
TARGET_ARCH ?= $(TARGET_ARCH_ESP32)

PSEUDOMODULES += esp_gdbstub
PSEUDOMODULES += esp_hw_counter
PSEUDOMODULES += esp_i2c_hw
PSEUDOMODULES += esp_jtag
PSEUDOMODULES += esp_rtc_timer_32k
PSEUDOMODULES += esp_spi_ram
PSEUDOMODULES += esp_wifi_enterprise

INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/
INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include
INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include/esp32
INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include/heap
INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include/spi_flash
INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include/tcpip_adapter
INCLUDES += -I$(RIOTCPU)/$(CPU)

ifneq (,$(filter esp_eth,$(USEMODULE)))
  INCLUDES += -I$(RIOTCPU)/$(CPU)/esp-eth
  INCLUDES += -I$(RIOTCPU)/$(CPU)/vendor/esp-idf/include/ethernet
endif

CFLAGS += -DSDK_NOT_USED -DCONFIG_FREERTOS_UNICORE=1 -DESP_PLATFORM
CFLAGS += -DLOG_TAG_IN_BRACKETS
CFLAGS += -D_CONST=const

LINKFLAGS += -L$(RIOTCPU)/$(CPU)/ld/
LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ld/esp32.ld
LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ld/esp32.common.ld
LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ld/esp32.peripherals.ld
LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ld/esp32.rom.ld
LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ld/esp32.rom.nanofmt.ld
LINKFLAGS += -nostdlib -lgcc -Wl,-gc-sections

# Libraries needed when using esp_wifi_any pseudomodule
ifneq (,$(filter esp_wifi_any,$(USEMODULE)))
  ARCHIVES += -lcore -lrtc -lnet80211 -lpp -lcoexist -lwps -lwpa -lwpa2
  ARCHIVES += -lphy -lstdc++
endif

# Libraries needed when using esp_now module
ifneq (,$(filter esp_now,$(USEMODULE)))
  ARCHIVES += -lespnow -lmesh
endif

ifneq (,$(filter cpp,$(USEMODULE)))
  ARCHIVES += -lstdc++
endif

ifneq (,$(filter esp_jtag,$(USEMODULE)))
  PROGRAMMERS_SUPPORTED += openocd
  PARTITION_POS = 0x8000
  OPENOCD_PRE_FLASH_CMDS = -c 'echo "Installing Bootloader at $(BOOTLOADER_POS)"' \
    -c 'flash write_image erase "$(RIOTCPU)/$(CPU)/bin/bootloader.bin" $(BOOTLOADER_POS) bin' \
    -c 'echo "Installing partition table at $(PARTITION_POS)"' \
    -c 'flash write_image erase "$(BINDIR)/partitions.bin" $(PARTITION_POS) bin'
  IMAGE_OFFSET = 0x10000
  # Flash checksumming not supported on xtensa
  OPENOCD_SKIP_VERIFY = yes
  # Without resets debug target fails with 'Target not examined yet'
  OPENOCD_DBG_EXTRA_CMD += -c 'reset halt'
endif