platform.txt

name=ESP32 Arduino
version=0.0.1

runtime.tools.xtensa-esp32-elf-gcc.path={runtime.platform.path}/tools/xtensa-esp32-elf

tools.esptool.cmd=python "{runtime.platform.path}/tools/esptool.py"
tools.esptool.cmd.windows=python.exe "{runtime.platform.path}/tools/esptool.py"

compiler.warning_flags=-w
compiler.warning_flags.none=-w
compiler.warning_flags.default=
compiler.warning_flags.more=-Wall -Werror=all
compiler.warning_flags.all=-Wall -Werror=all -Wextra

compiler.path={runtime.tools.xtensa-esp32-elf-gcc.path}/bin/
compiler.sdk.path={runtime.platform.path}/tools/sdk
compiler.cpreprocessor.flags=-DESP_PLATFORM -DMBEDTLS_CONFIG_FILE='"mbedtls/esp_config.h"' -DHAVE_CONFIG_H "-I{compiler.sdk.path}/include/config" "-I{compiler.sdk.path}/include/bt" "-I{compiler.sdk.path}/include/driver" "-I{compiler.sdk.path}/include/esp32" "-I{compiler.sdk.path}/include/ethernet" "-I{compiler.sdk.path}/include/fatfs" "-I{compiler.sdk.path}/include/freertos" "-I{compiler.sdk.path}/include/log" "-I{compiler.sdk.path}/include/mdns" "-I{compiler.sdk.path}/include/vfs" "-I{compiler.sdk.path}/include/ulp" "-I{compiler.sdk.path}/include/newlib" "-I{compiler.sdk.path}/include/nvs_flash" "-I{compiler.sdk.path}/include/spi_flash" "-I{compiler.sdk.path}/include/sdmmc" "-I{compiler.sdk.path}/include/openssl" "-I{compiler.sdk.path}/include/app_update" "-I{compiler.sdk.path}/include/tcpip_adapter" "-I{compiler.sdk.path}/include/xtensa-debug-module" "-I{compiler.sdk.path}/include/newlib" "-I{compiler.sdk.path}/include/coap" "-I{compiler.sdk.path}/include/wpa_supplicant" "-I{compiler.sdk.path}/include/expat" "-I{compiler.sdk.path}/include/json" "-I{compiler.sdk.path}/include/mbedtls" "-I{compiler.sdk.path}/include/nghttp" "-I{compiler.sdk.path}/include/lwip"

compiler.c.cmd=xtensa-esp32-elf-gcc
compiler.c.flags=-std=gnu99 -Os -g3 -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib -Wpointer-arith {compiler.warning_flags} -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-sign-compare -Wno-old-style-declaration -MMD -c

compiler.cpp.cmd=xtensa-esp32-elf-g++
compiler.cpp.flags=-std=gnu++11 -fno-exceptions -fno-rtti -Os -g3 -Wpointer-arith -ffunction-sections -fdata-sections -fstrict-volatile-bitfields -mlongcalls -nostdlib {compiler.warning_flags} -Wno-error=unused-function -Wno-error=unused-but-set-variable -Wno-error=unused-variable -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-sign-compare -fno-rtti -MMD -c

compiler.S.cmd=xtensa-esp32-elf-gcc
compiler.S.flags=-c -g3 -x assembler-with-cpp -MMD -mlongcalls

compiler.c.elf.cmd=xtensa-esp32-elf-gcc
compiler.c.elf.flags=-nostdlib "-L{compiler.sdk.path}/lib" "-L{compiler.sdk.path}/ld" -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld -u call_user_start_cpu0 -Wl,--gc-sections -Wl,-static -Wl,--undefined=uxTopUsedPriority
compiler.c.elf.libs=-lapp_update -lbootloader_support -lbt -lbtdm_app -lc -lc_nano -lcoap -lcoexist -lcore -lcxx -ldriver -lesp32 -lethernet -lexpat -lfatfs -lfreertos -lhal -ljson -llog -llwip -lm -lmbedtls -lmdns -lmicro-ecc -lnet80211 -lnewlib -lnghttp -lnvs_flash -lopenssl -lphy -lpp -lrtc -lsdmmc -lsmartconfig -lspi_flash -ltcpip_adapter -lulp -lvfs -lwpa -lwpa2 -lwpa_supplicant -lwps -lxtensa-debug-module  -lgcc -lstdc++

compiler.as.cmd=xtensa-esp32-elf-as

compiler.ar.cmd=xtensa-esp32-elf-ar
compiler.ar.flags=cru

compiler.size.cmd=xtensa-esp32-elf-size

# This can be overriden in boards.txt
build.extra_flags=-DESP32

# These can be overridden in platform.local.txt
compiler.c.extra_flags=
compiler.c.elf.extra_flags=
compiler.S.extra_flags=
compiler.cpp.extra_flags=
compiler.ar.extra_flags=
compiler.objcopy.eep.extra_flags=
compiler.elf2hex.extra_flags=

## Compile c files
recipe.c.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.cpreprocessor.flags} {compiler.c.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

## Compile c++ files
recipe.cpp.o.pattern="{compiler.path}{compiler.cpp.cmd}" {compiler.cpreprocessor.flags} {compiler.cpp.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.cpp.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

## Compile S files
recipe.S.o.pattern="{compiler.path}{compiler.c.cmd}" {compiler.cpreprocessor.flags} {compiler.S.flags} -DF_CPU={build.f_cpu} -DARDUINO={runtime.ide.version} -DARDUINO_{build.board} -DARDUINO_ARCH_{build.arch} {compiler.c.extra_flags} {build.extra_flags} {includes} "{source_file}" -o "{object_file}"

## Create archives
recipe.ar.pattern="{compiler.path}{compiler.ar.cmd}" {compiler.ar.flags} {compiler.ar.extra_flags} "{build.path}/arduino.ar" "{object_file}"

## Combine gc-sections, archives, and objects
recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} -Wl,--start-group {object_files} "{build.path}/arduino.ar" {compiler.c.elf.libs} -Wl,--end-group -Wl,-EL -o "{build.path}/{build.project_name}.elf"

## Create eeprom
recipe.objcopy.eep.pattern=

## Create hex
recipe.objcopy.hex.pattern={tools.esptool.cmd} --chip esp32 elf2image --flash_mode "{build.flash_mode}" --flash_freq "{build.flash_freq}" --flash_size "{build.flash_size}" -o "{build.path}/{build.project_name}.bin" "{build.path}/{build.project_name}.elf"

## Save hex
recipe.output.tmp_file={build.project_name}.bin
recipe.output.save_file={build.project_name}.{build.variant}.bin

## Compute size
recipe.size.pattern="{compiler.path}{compiler.size.cmd}" -A "{build.path}/{build.project_name}.elf"
recipe.size.regex=^(?:\.iram0\.text|\.dram0\.text|\.flash\.text|\.dram0\.data|\.flash\.rodata|)\s+([0-9]+).*
recipe.size.regex.data=^(?:\.dram0\.data|\.dram0\.bss)\s+([0-9]+).*

# ------------------------------

tools.esptool.upload.protocol=esp32
tools.esptool.upload.params.verbose=
tools.esptool.upload.params.quiet=
tools.esptool.upload.pattern={cmd} --chip esp32 --port "{serial.port}" --baud {upload.speed} write_flash -z --flash_freq {build.flash_freq} --flash_mode {build.flash_mode} --flash_size {build.flash_size} 0x1000 "{runtime.platform.path}/tools/sdk/bin/bootloader.bin" 0x8000 "{runtime.platform.path}/tools/sdk/bin/partitions_singleapp.bin" 0x10000 "{build.path}/{build.project_name}.bin"