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https://github.com/RIOT-OS/RIOT.git
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7b1f083cd8
RIOT-OS uses part of Espressif ESP8266 RTOS SDK to build support for this CPU. The SDK includes some vendor-provided closed source pre-compiled libraries that we need to modify to adapt to RIOT-OS usage. This library modifications was done once and uploaded to a fork of the vendor repository and was provided as an environment variable. This patch changes two things: 1. It installs the SDK as a RIOT PKG from the new pkg/esp8266_sdk directory instead of requiring the user to download it separately. 2. It performs the library modifications (symbol renames) on the pkg Makefile removing the need to use a fork with the modifications applied and simplifying the SDK update and future modifications. This change sets the SDK package version (git SHA) to the same one that our fork was using as a parent in the vendor repository, meaning that the output libraries are exactly the same as before. Tested with ``` ESP8266_RTOS_SDK_DIR=/dev/null USEMODULE=esp_log_startup make -C tests/shell BOARD=esp8266-esp-12x flash ``` and verified that the program works. The boot message now includes: ``` ESP8266-RTOS-SDK Version v3.1-51-g913a06a9 ``` confirming the SDK version used. `/dev/null` in the test is just to make sure that no evaluation of `ESP8266_RTOS_SDK_DIR` in make is affected by the environment variable value which would be set to the SDK for people who followed the set up instructions before this change. Tested the checkout size: ```bash $ du -hs build/pkg/esp8266_sdk/ 124M build/pkg/esp8266_sdk/ ```
111 lines
3.2 KiB
Makefile
111 lines
3.2 KiB
Makefile
# Default compile configurations
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# FLASH_MODE=[ dout | dio | qout | qio ]
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# use flash mode dout by default to keep GPIO9 and GPIO10 free for use
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FLASH_MODE ?= dout
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# ESP* pseudomodules
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PSEUDOMODULES += esp_gdb
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PSEUDOMODULES += esp_i2c_sw
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PSEUDOMODULES += esp_log_colored
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PSEUDOMODULES += esp_log_tagged
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PSEUDOMODULES += esp_log_startup
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PSEUDOMODULES += esp_qemu
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PSEUDOMODULES += esp_spiffs
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PSEUDOMODULES += esp_wifi_any
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PSEUDOMODULES += esp_wifi_ap
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# Common includes
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INCLUDES += -I$(RIOTBOARD)/common/$(CPU)/include
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INCLUDES += -I$(RIOTCPU)/esp_common
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INCLUDES += -I$(RIOTCPU)/esp_common/include
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INCLUDES += -I$(RIOTCPU)/esp_common/include/freertos
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INCLUDES += -I$(RIOTCPU)/esp_common/vendor/
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INCLUDES += -I$(RIOTCPU)/esp_common/vendor/esp
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# Flags
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CFLAGS += -Wno-unused-parameter -Wformat=0
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CFLAGS += -mlongcalls -mtext-section-literals -fstrict-volatile-bitfields
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CFLAGS += -fdata-sections -ffunction-sections -fzero-initialized-in-bss
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OPTIONAL_CFLAGS_BLACKLIST += -Wformat-overflow
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OPTIONAL_CFLAGS_BLACKLIST += -Wformat-truncation
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OPTIONAL_CFLAGS_BLACKLIST += -gz
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ASFLAGS += --longcalls --text-section-literals
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CFLAGS_DBG ?= -ggdb -g3
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# override default CFLAGS_OPT in case module esp_gdb is enabled
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ifneq (,$(filter esp_gdb,$(USEMODULE)))
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CFLAGS_OPT ?= -Og
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else
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CFLAGS_OPT ?= -Os
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endif
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CFLAGS += $(CFLAGS_OPT) $(CFLAGS_DBG)
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# add -DQEMU for qemu
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ifneq (,$(filter esp_qemu,$(USEMODULE)))
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CFLAGS += -DQEMU
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endif
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# use 32 priority levels if any WiFi interface or the ETH interface is used
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ifneq (,$(filter esp_wifi_any esp_eth,$(USEMODULE)))
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CFLAGS += -DSCHED_PRIO_LEVELS=32
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endif
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# The threads for handling the ESP hardware have the priorities from 2 to 4.
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# The priority of lwIP TCPIP thread should be lower than these priorities.
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ifneq (,$(filter lwip,$(USEMODULE)))
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CFLAGS += -DTCPIP_THREAD_PRIO=5
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endif
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# if SPI RAM is enabled, the qout flash mode has to be used
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_FLASH_MODE_PREV := $(FLASH_MODE)
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ifneq (,$(filter esp_spi_ram,$(USEMODULE)))
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FLASH_MODE = qout
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else
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FLASH_MODE = $(_FLASH_MODE_PREV)
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endif
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# set CFLAG for the correspondant FLASH_MODE
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CFLAGS += $(if $(findstring qout,$(FLASH_MODE)),-DFLASH_MODE_QOUT=1)
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CFLAGS += $(if $(findstring qio,$(FLASH_MODE)),-DFLASH_MODE_QIO=1)
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CFLAGS += $(if $(findstring dio,$(FLASH_MODE)),-DFLASH_MODE_DIO=1)
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CFLAGS += $(if $(findstring dout,$(FLASH_MODE)),-DFLASH_MODE_DOUT=1)
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ARCHIVES += -lhal -lg -lc
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LINKFLAGS += $(CFLAGS_OPT) $(CFLAGS_DBG)
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ifneq ($(CPU),esp8266)
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# esp8266 flags are added by the SDK pkg in pkg/esp8266_sdk
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LINKFLAGS += -L$(ESP_SDK_DIR)/components/$(CPU)
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LINKFLAGS += -L$(ESP_SDK_DIR)/components/$(CPU)/lib
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endif
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LINKFLAGS += -nostdlib -Wl,-gc-sections -Wl,-static
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ifeq (,$(filter esp_idf_heap,$(USEMODULE)))
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# use the wrapper functions for calloc to add correct overflow detection missing
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# in the newlib's version.
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LINKFLAGS += -Wl,-wrap=_calloc_r
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endif
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# LINKFLAGS += -Wl,--verbose
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# LINKFLAGS += -Wl,--print-gc-sections
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# increase the test timeout for file system tests that use the SPI flash drive
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ifneq (,$(filter spiffs littlefs,$(USEMODULE)))
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RIOT_TEST_TIMEOUT = 20
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$(call target-export-variables,test,RIOT_TEST_TIMEOUT)
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endif
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# All ESP are flashed using esptool
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PROGRAMMER ?= esptool
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# Add esptool in the list supported programmers
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PROGRAMMERS_SUPPORTED += esptool
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