bootloader - first step
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rusefi
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*** User Manual ***
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To start the bootloader updater:
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- Turn off your rusEFI ECU board, and connect UART to PC.
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- Download "FLASHER-STM32" here: http://www.st.com/en/development-tools/flasher-stm32.html
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- Run "STMFlashLoader Demo", set COM-port parameters (the same as in TunerStudio).
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- Press the "Next" button.
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- Turn on the ECU board.
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- If the connection is successful, the next page of STMFlashLoader appears immediately. Press "Next" button again and follow the instructions.
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- You can use:
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- Upload from device (Flash Read) command;
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- Download to device (Flash Write) command;
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- Erase->Selection command (only Sector erase is currently supported, not Full Erase!).
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To update the firmware:
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- choose "Download to device" mode;
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- select the firmware file (rusefi.hex). Note! ***Use only recent firmware builds with bootloader support!***
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- you may select "verify" option to check
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- you may select "Jump to the user program" to automatically run the main firmware after the update.
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See STMFlashLoader_all_screenshots.png for more info.
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!!! Note that the bootloader can update only the main firmware, but not itself !!!
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Use this code on your own risk!
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*** Developers Section ***
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How it works, in two words:
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- The bootloader requires a separate makefile because it's a separate binary executable with its own project settings and fileset.
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- Start firmware/bootloader/compile_bootloader.bat to compile the bootloader code. Use it only if bootloader modification is required.
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- The compiled bootloader code is stored in bootloader/bootloader_generated.hxx and it can be included into the main firmware (build/rusefi.hex) if the bootloader support is enabled.
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- The bootloader support is disabled by default (USE_BOOTLOADER=no). You can enable it by adding "USE_BOOTLOADER=yes" to Makefile or "SET USE_BOOTLOADER=yes" to your Windows compile batch-file.
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- When USE_BOOTLOADER=yes, a special version of linker script is used: STM32F407xG_CCM_bootloader.ld. It shifts 'flash' memory address to 32kb (0x08008000), and clears a space for bootloader at the very beginning of the flash memory. It also adds section ".bl" for the bootloader code.
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- The file bootloader_storage.c used to include the bootloader code into the firmware (using '.bl' section).
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- In result, there are two binary executables combined in one firmware: the bootloader starts first, and the main firmware start afterwards.
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- All those can be overridden by board configs and makefiles - that's exactly how it's been compiled for Prometheus board.
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The bootloader executable works as follows:
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- Init ChibiOS and UART/Serial driver using tunerstudio_io code;
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- Create a thread to listen to UART (thBootloaderSerial), using dfuStartLoop();
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- The PC 'stm32-flasher' software sends its request byte only once, so we don't wait for it - the bootloader sends an answer as soon as it starts (both the request & answer bytes are known consts);
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- If the next command doesn't come immediately (<100 ms), we abort the bootloader dfu loop and run the application code - calling dfuJumpToApp() in main().
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- Otherwise, if at least one command is received, we stay in the bootloader mode and process commands.
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##############################################################################
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# Build global options
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# NOTE: Can be overridden externally.
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#
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# by default EXTRA_PARAMS is empty and we create 'debug' version of the firmware with additional assertions and statistics
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# for 'release' options see 'clean_compile_two_versions.bat' file
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ifeq ($(DEBUG_LEVEL_OPT),)
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# this value would be used by default. For 'debug' configuration override with '-O0 -ggdb -g3' or something along these lines
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DEBUG_LEVEL_OPT = -O2
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DDEFS += -DEFI_ENABLE_ASSERTS=FALSE -DCH_DBG_ENABLE_TRACE=FALSE -DCH_DBG_ENABLE_ASSERTS=FALSE -DCH_DBG_ENABLE_STACK_CHECK=FALSE -DCH_DBG_FILL_THREADS=FALSE -DCH_DBG_THREADS_PROFILING=FALSE
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endif
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# disable some modules to shrink bootloader binary
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DDEFS += -DHAL_USE_ADC=FALSE -DHAL_USE_CAN=FALSE -DHAL_USE_EXT=FALSE -DHAL_USE_GPT=FALSE -DHAL_USE_I2C=FALSE -DHAL_USE_ICU=FALSE -DHAL_USE_PWM=FALSE -DHAL_USE_RTC=FALSE -DHAL_USE_I2C=FALSE
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# disable USB (The bootloader has currently UART support only)
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DDEFS += -DEFI_USB_SERIAL=FALSE -DHAL_USE_SERIAL_USB=FALSE -DHAL_USE_USB=FALSE -DHAL_USE_USB_MSD=FALSE
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# Compiler options here.
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ifeq ($(USE_OPT),)
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USE_OPT = $(EXTRA_PARAMS) $(DEBUG_LEVEL_OPT) $(RFLAGS) -fomit-frame-pointer -falign-functions=16 -Werror-implicit-function-declaration -Werror -Wno-error=pointer-sign -Wno-error=unused-function -Wno-error=unused-variable -Wno-error=sign-compare -Wno-error=unused-parameter -Wno-error=missing-field-initializers -Werror=type-limits -Wno-error=strict-aliasing -Wno-error=attributes
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endif
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#USE_OPT += -fPIC
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# C specific options here (added to USE_OPT).
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ifeq ($(USE_COPT),)
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USE_COPT = -fgnu89-inline -std=gnu99
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endif
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# C++ specific options here (added to USE_OPT).
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ifeq ($(USE_CPPOPT),)
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USE_CPPOPT = -std=c++11 -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Werror=write-strings -Werror=type-limits
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endif
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# Enable this if you want the linker to remove unused code and data
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ifeq ($(USE_LINK_GC),)
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USE_LINK_GC = yes
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endif
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# Linker extra options here.
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ifeq ($(USE_LDOPT),)
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USE_LDOPT =
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endif
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# Enable this if you want link time optimizations (LTO)
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ifeq ($(USE_LTO),)
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USE_LTO = no
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endif
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# If enabled, this option allows to compile the application in THUMB mode.
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ifeq ($(USE_THUMB),)
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USE_THUMB = yes
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endif
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# Enable this if you want to see the full log while compiling.
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ifeq ($(USE_VERBOSE_COMPILE),)
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USE_VERBOSE_COMPILE = no
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endif
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# If enabled, this option makes the build process faster by not compiling
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# modules not used in the current configuration.
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ifeq ($(USE_SMART_BUILD),)
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USE_SMART_BUILD = no
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endif
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#
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# Build global options
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##############################################################################
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##############################################################################
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# Architecture or project specific options
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#
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# Stack size to be allocated to the Cortex-M process stack. This stack is
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# the stack used by the main() thread.
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ifeq ($(USE_PROCESS_STACKSIZE),)
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USE_PROCESS_STACKSIZE = 0x0600
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endif
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# Stack size to the allocated to the Cortex-M main/exceptions stack. This
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# stack is used for processing interrupts and exceptions.
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ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
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USE_EXCEPTIONS_STACKSIZE = 0x1000
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endif
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# Enables the use of FPU on Cortex-M4 (no, softfp, hard).
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ifeq ($(USE_FPU),)
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USE_FPU = softfp
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endif
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#
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# Architecture or project specific options
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##############################################################################
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##############################################################################
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# Project, sources and paths
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#
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# Define project name here
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PROJECT = bootloader
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PROJECT_DIR = ..
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# Imported source files and paths
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CHIBIOS = $(PROJECT_DIR)/ChibiOS3
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CHIBIOS_CONTRIB = $(PROJECT_DIR)/ChibiOS-Contrib
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ifeq ($(PROJECT_BOARD),)
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PROJECT_BOARD = ST_STM32F4
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endif
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DDEFS += -D$(PROJECT_BOARD)
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CONFIG = $(PROJECT_DIR)/config
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# Startup files.
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include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/startup_stm32f4xx.mk
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# HAL-OSAL files (optional).
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include $(CHIBIOS_CONTRIB)/os/hal/hal.mk
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include $(CHIBIOS_CONTRIB)/os/hal/ports/STM32/STM32F4xx/platform.mk
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include $(CHIBIOS)/os/hal/osal/rt/osal.mk
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# RTOS files (optional).
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include $(CHIBIOS)/os/rt/rt.mk
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include $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk
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include $(CHIBIOS)/os/various/cpp_wrappers/chcpp.mk
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include $(CONFIG)/boards/$(PROJECT_BOARD)/board.mk
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# Define linker script file here
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ifeq ($(LDSCRIPT),)
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LDSCRIPT= $(CONFIG)/stm32f4ems/STM32F407xG_CCM.ld
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endif
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# C sources that can be compiled in ARM or THUMB mode depending on the global
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# setting.
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CSRC = $(STARTUPSRC) \
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$(KERNSRC) \
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$(PORTSRC) \
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$(OSALSRC) \
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$(HALSRC) \
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$(PLATFORMSRC) \
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$(BOARDSRC) \
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$(CHIBIOS)/os/various/syscalls.c \
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$(CHIBIOS)/os/hal/lib/streams/memstreams.c \
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$(CHIBIOS)/os/hal/lib/streams/chprintf.c \
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$(CHIBIOS)/os/various/shell.c \
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$(UTILSRC) \
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$(ENGINES_SRC) \
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$(CONSOLESRC) \
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$(DEV_SRC) \
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$(HW_LAYER_EMS) \
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$(CONTROLLERSSRC) \
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$(CONTROLLERS_ALGO_SRC) \
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$(CONTROLLERS_CORE_SRC) \
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$(CONTROLLERS_SENSORS_SRC) \
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$(FATFSSRC) \
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$(SYSTEMSRC) \
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$(PROJECT_DIR)/hw_layer/flash.c
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# C++ sources that can be compiled in ARM or THUMB mode depending on the global
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# setting.
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CPPSRC = $(CHCPPSRC) \
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$(TRIGGER_SRC_CPP) \
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$(TRIGGER_DECODERS_SRC_CPP) \
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$(DEV_SRC_CPP) \
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$(CONTROLLERS_ALGO_SRC_CPP) \
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$(SYSTEMSRC_CPP) \
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$(BOARDSRC_CPP) \
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$(ENGINES_SRC_CPP) \
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$(HW_LAYER_EMS_CPP) \
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$(HW_SENSORS_SRC) \
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$(TUNERSTUDIO_SRC_CPP) \
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$(CONSOLE_SRC_CPP) \
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$(CONTROLLERS_SENSORS_SRC_CPP) \
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$(CONTROLLERS_SRC_CPP) \
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$(UTILSRC_CPP) \
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$(CONTROLLERS_CORE_SRC_CPP) \
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$(CONTROLLERS_MATH_SRC_CPP) \
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$(PROJECT_DIR)/console/binary/tunerstudio_io.cpp \
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$(PROJECT_DIR)/controllers/system/efiGpio.cpp \
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$(PROJECT_DIR)/controllers/algo/engine_configuration.cpp \
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$(PROJECT_DIR)/hw_layer/io_pins.cpp \
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$(PROJECT_DIR)/hw_layer/pin_repository.cpp \
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src/rusefi_stubs.cpp \
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src/dfu.cpp \
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src/main.cpp
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# C sources to be compiled in ARM mode regardless of the global setting.
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# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
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# option that results in lower performance and larger code size.
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ACSRC =
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# C++ sources to be compiled in ARM mode regardless of the global setting.
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# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
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# option that results in lower performance and larger code size.
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ACPPSRC =
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# C sources to be compiled in THUMB mode regardless of the global setting.
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# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
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# option that results in lower performance and larger code size.
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TCSRC =
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# C sources to be compiled in THUMB mode regardless of the global setting.
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# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
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# option that results in lower performance and larger code size.
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TCPPSRC =
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# List ASM source files here
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# List ASM source files here
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ASMSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)
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INCDIR = .. \
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$(PORTINC) \
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$(OSALINC) \
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$(KERNINC) \
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$(TESTINC) \
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$(STARTUPINC) \
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$(HALINC) \
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$(PLATFORMINC) \
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$(BOARDINC) \
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$(CHCPPINC) \
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$(CHIBIOS)/os/hal/lib/streams \
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$(CHIBIOS)/os/various \
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$(CHIBIOS)/os/various/devices_lib/accel \
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$(CHIBIOS_CONTRIB)/os/various \
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$(CONFIG)/stm32f4ems \
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$(CHIBIOS)/os/various \
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$(CONFIG)/stm32f4ems \
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$(CONFIG)/engines \
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$(PROJECT_DIR)/ext \
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$(PROJECT_DIR)/ext_algo \
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$(PROJECT_DIR)/util \
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$(PROJECT_DIR)/console_util \
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$(PROJECT_DIR)/console \
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$(PROJECT_DIR)/console/binary \
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$(PROJECT_DIR)/console/fl_binary \
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$(PROJECT_DIR)/hw_layer \
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$(PROJECT_DIR)/mass_storage \
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$(PROJECT_DIR)/hw_layer/serial_over_usb \
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$(PROJECT_DIR)/hw_layer/algo \
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$(PROJECT_DIR)/hw_layer/lcd \
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$(PROJECT_DIR)/hw_layer/sensors \
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$(PROJECT_DIR)/hw_layer/mass_storage \
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$(PROJECT_DIR)/hw_layer/stm32f4 \
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$(PROJECT_DIR)/development \
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$(PROJECT_DIR)/development/hw_layer \
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$(PROJECT_DIR)/development/test \
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$(PROJECT_DIR)/controllers \
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$(PROJECT_DIR)/controllers/sensors \
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$(PROJECT_DIR)/controllers/system \
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$(PROJECT_DIR)/controllers/algo \
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$(PROJECT_DIR)/controllers/core \
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$(PROJECT_DIR)/controllers/math \
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$(PROJECT_DIR)/controllers/trigger/decoders \
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$(PROJECT_DIR)/controllers/trigger \
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config
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BUILDDIR=blbuild
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#
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# Project, sources and paths
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##############################################################################
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##############################################################################
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# Compiler settings
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#
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MCU = cortex-m4
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#TRGT = arm-elf-
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TRGT = arm-none-eabi-
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CC = $(TRGT)gcc
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CPPC = $(TRGT)g++
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# Enable loading with g++ only if you need C++ runtime support.
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# NOTE: You can use C++ even without C++ support if you are careful. C++
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# runtime support makes code size explode.
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LD = $(TRGT)gcc
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#LD = $(TRGT)g++
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CP = $(TRGT)objcopy
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AS = $(TRGT)gcc -x assembler-with-cpp
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AR = $(TRGT)ar
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OD = $(TRGT)objdump
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SZ = $(TRGT)size
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HEX = $(CP) -O ihex
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BIN = $(CP) -O binary
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# ARM-specific options here
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AOPT =
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# THUMB-specific options here
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TOPT = -mthumb -DTHUMB
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# Define C warning options here
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CWARN = -Wall -Wextra -Wstrict-prototypes
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# Define C++ warning options here
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CPPWARN = -Wall -Wextra
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#
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# Compiler settings
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##############################################################################
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##############################################################################
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# Start of user section
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#
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# List all user C define here, like -D_DEBUG=1
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UDEFS =
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# Define ASM defines here
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UADEFS =
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# List all user directories here
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UINCDIR =
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# List the user directory to look for the libraries here
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ULIBDIR =
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# List all user libraries here
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ULIBS = -lm
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#
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# End of user defines
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##############################################################################
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RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
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include $(RULESPATH)/rules.mk
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