f1_rev2: add OpenBLT (#92)

(cherry picked from commit 85e1ac8e5e75e22b247db0f5a512656453425729)

Co-authored-by: Andrey Gusakov <dron0gus@gmail.com>
This commit is contained in:
rusefillc 2022-07-01 15:12:24 -04:00 committed by GitHub
parent d3d260b828
commit 076406e4b0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 2229 additions and 2 deletions

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@ -2,8 +2,13 @@
set -e
cd openblt
# build bootloader
make -j12 BOARD=f1_rev2
# back out to the root
cd ../..
cd ../../..
export EXTRA_PARAMS="-DECHO_UART=TRUE"

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#****************************************************************************************
#| Description: Makefile for GNU ARM Embedded toolchain.
#| File Name: makefile
#|
#|---------------------------------------------------------------------------------------
#| C O P Y R I G H T
#|---------------------------------------------------------------------------------------
#| Copyright (c) 2017 by Feaser http://www.feaser.com All rights reserved
#|
#|---------------------------------------------------------------------------------------
#| L I C E N S E
#|---------------------------------------------------------------------------------------
#| This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
#| modify it under the terms of the GNU General Public License as published by the Free
#| Software Foundation, either version 3 of the License, or (at your option) any later
#| version.
#|
#| OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
#| without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
#| PURPOSE. See the GNU General Public License for more details.
#|
#| You have received a copy of the GNU General Public License along with OpenBLT. It
#| should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
#|
#****************************************************************************************
SHELL = sh
#|--------------------------------------------------------------------------------------|
#| Configure project name |
#|--------------------------------------------------------------------------------------|
PROJ_NAME=openblt_$(BOARD)
#|--------------------------------------------------------------------------------------|
#| Configure OpenBLT path |
#|--------------------------------------------------------------------------------------|
OPENBLT_PATH=../../../ext/openblt/Target
#|--------------------------------------------------------------------------------------|
#| Configure tool path |
#|--------------------------------------------------------------------------------------|
# Compiler should be in PATH
#|--------------------------------------------------------------------------------------|
#| Collect project files |
#|--------------------------------------------------------------------------------------|
# Recursive wildcard function implementation. Example usages:
# $(call rwildcard, , *.c *.h)
# --> Returns all *.c and *.h files in the current directory and below
# $(call rwildcard, /lib/, *.c)
# --> Returns all *.c files in the /lib directory and below
rwildcard = $(strip $(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d)))
# Collect all application files in the current directory and its subdirectories, but
# exclude flash-layout.c as this one is directly included in a source file, when used.
PROJ_FILES = $(filter-out flash_layout.c, $(call rwildcard, , *.c *.h *.s))
# Collect bootloader core files
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/*.c)
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/*.h)
# Collect bootloader port files
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/ARMCM3_STM32F1/*.c)
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/ARMCM3_STM32F1/*.h)
# Collect bootloader port compiler specific files
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/ARMCM3_STM32F1/GCC/*.c)
PROJ_FILES += $(wildcard $(OPENBLT_PATH)/Source/ARMCM3_STM32F1/GCC/*.h)
# reuse ST32F1xx HAL and CMSIS from one of OpenBLT exaples to avoid having copy in this git
PROJ_FILES += $(filter-out uip, $(call rwildcard, $(OPENBLT_PATH)/Demo/ARMCM3_STM32F1_Nucleo_F103RB_GCC/Boot/lib/CMSIS, *.c *.h *.s))
PROJ_FILES += $(filter-out uip, $(call rwildcard, $(OPENBLT_PATH)/Demo/ARMCM3_STM32F1_Nucleo_F103RB_GCC/Boot/lib/STM32F1xx_HAL_Driver/, *.c *.h *.s))
#|--------------------------------------------------------------------------------------|
#| Toolchain binaries |
#|--------------------------------------------------------------------------------------|
RM = rm
CC = $(TOOL_PATH)arm-none-eabi-gcc
LN = $(TOOL_PATH)arm-none-eabi-gcc
OC = $(TOOL_PATH)arm-none-eabi-objcopy
OD = $(TOOL_PATH)arm-none-eabi-objdump
AS = $(TOOL_PATH)arm-none-eabi-gcc
SZ = $(TOOL_PATH)arm-none-eabi-size
#|--------------------------------------------------------------------------------------|
#| Filter project files
#|--------------------------------------------------------------------------------------|
PROJ_ASRCS = $(filter %.s,$(foreach file,$(PROJ_FILES),$(notdir $(file))))
PROJ_CSRCS = $(filter %.c,$(foreach file,$(PROJ_FILES),$(notdir $(file))))
PROJ_CHDRS = $(filter %.h,$(foreach file,$(PROJ_FILES),$(notdir $(file))))
#|--------------------------------------------------------------------------------------|
#| Set important path variables |
#|--------------------------------------------------------------------------------------|
VPATH = $(foreach path,$(sort $(foreach file,$(PROJ_FILES),$(dir $(file)))) $(subst \,/,$(OBJ_PATH)),$(path) :)
OBJ_PATH = obj
BIN_PATH = bin
INC_PATH += $(patsubst %/,%,$(patsubst %,-I%,$(sort $(foreach file,$(filter %.h,$(PROJ_FILES)),$(dir $(file))))))
LIB_PATH =
#|--------------------------------------------------------------------------------------|
#| Options for toolchain binaries |
#|--------------------------------------------------------------------------------------|
STDFLAGS = -mcpu=cortex-m3 -mthumb -std=gnu11 -fstack-usage -Wall -specs=nano.specs
STDFLAGS += -fdata-sections -ffunction-sections -Wall -g -Wno-strict-aliasing
OPTFLAGS = -Og
CFLAGS = $(STDFLAGS) $(OPTFLAGS)
CFLAGS += -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -DSTM32F103xB
CFLAGS += -D__weak="__attribute__((weak))" -D__packed="__attribute__((__packed__))"
CFLAGS += $(INC_PATH)
AFLAGS = $(CFLAGS)
LFLAGS = $(STDFLAGS) $(OPTFLAGS)
LFLAGS += -Wl,-script="STM32F103RB_FLASH.ld" -Wl,-Map=$(BIN_PATH)/$(PROJ_NAME).map
LFLAGS += -Wl,--gc-sections $(LIB_PATH)
OFLAGS = -O srec
ODFLAGS = -x
SZFLAGS = -B -d
RMFLAGS = -f
#|--------------------------------------------------------------------------------------|
#| Specify library files |
#|--------------------------------------------------------------------------------------|
LIBS =
#|--------------------------------------------------------------------------------------|
#| Define targets |
#|--------------------------------------------------------------------------------------|
AOBJS = $(patsubst %.s,%.o,$(PROJ_ASRCS))
COBJS = $(patsubst %.c,%.o,$(PROJ_CSRCS))
#|--------------------------------------------------------------------------------------|
#| Make ALL |
#|--------------------------------------------------------------------------------------|
.PHONY: all
all: $(BIN_PATH)/$(PROJ_NAME).srec
$(BIN_PATH)/$(PROJ_NAME).srec : $(BIN_PATH)/$(PROJ_NAME).elf
@$(OC) $< $(OFLAGS) $@
@$(OD) $(ODFLAGS) $< > $(BIN_PATH)/$(PROJ_NAME).map
@echo +++ Summary of memory consumption:
@$(SZ) $(SZFLAGS) $<
@echo +++ Build complete [$(notdir $@)]
$(BIN_PATH)/$(PROJ_NAME).elf : $(AOBJS) $(COBJS)
@echo +++ Linking [$(notdir $@)]
@mkdir -p $(BIN_PATH)
@$(LN) $(LFLAGS) -o $@ $(patsubst %.o,$(OBJ_PATH)/%.o,$(^F)) $(LIBS)
#|--------------------------------------------------------------------------------------|
#| Compile and assemble |
#|--------------------------------------------------------------------------------------|
$(AOBJS): %.o: %.s $(PROJ_CHDRS)
@mkdir -p $(OBJ_PATH)
@echo +++ Assembling [$(notdir $<)]
@$(AS) $(AFLAGS) -c $< -o $(OBJ_PATH)/$(@F)
$(COBJS): %.o: %.c $(PROJ_CHDRS)
@mkdir -p $(OBJ_PATH)
@echo +++ Compiling [$(notdir $<)]
@$(CC) $(CFLAGS) -c $< -o $(OBJ_PATH)/$(@F)
#|--------------------------------------------------------------------------------------|
#| Make CLEAN |
#|--------------------------------------------------------------------------------------|
.PHONY: clean
clean:
@echo +++ Cleaning build environment
@$(RM) $(RMFLAGS) $(foreach file,$(AOBJS),$(OBJ_PATH)/$(file))
@$(RM) $(RMFLAGS) $(foreach file,$(COBJS),$(OBJ_PATH)/$(file))
@$(RM) $(RMFLAGS) $(patsubst %.o,%.lst,$(foreach file,$(COBJS),$(OBJ_PATH)/$(file)))
@$(RM) $(RMFLAGS) $(BIN_PATH)/$(PROJ_NAME).elf $(BIN_PATH)/$(PROJ_NAME).map
@$(RM) $(RMFLAGS) $(BIN_PATH)/$(PROJ_NAME).srec
@$(RM) $(RMFLAGS) -r $(OBJ_PATH)
@$(RM) $(RMFLAGS) -r $(BIN_PATH)
@echo +++ Clean complete

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/*
*****************************************************************************
**
** File : stm32_flash.ld
**
** Abstract : Linker script for STM32F103RB Device with
** 128KByte FLASH, 20KByte RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
** Target : STMicroelectronics STM32
**
** Environment : Atollic TrueSTUDIO(R)
**
** Distribution: The file is distributed as is, without any warranty
** of any kind.
**
** (c)Copyright Atollic AB.
** You may use this file as-is or modify it according to the needs of your
** project. This file may only be built (assembled or compiled and linked)
** using the Atollic TrueSTUDIO(R) product. The use of this file together
** with other tools than Atollic TrueSTUDIO(R) is not permitted.
**
*****************************************************************************
*/
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20005000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 8K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >FLASH
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT> FLASH
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(4);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(4);
} >RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
}

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#ifndef BLT_CONF_H
#define BLT_CONF_H
/****************************************************************************************
* C P U D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* To properly initialize the baudrate clocks of the communication interface, typically
* the speed of the crystal oscillator and/or the speed at which the system runs is
* needed. Set these through configurables BOOT_CPU_XTAL_SPEED_KHZ and
* BOOT_CPU_SYSTEM_SPEED_KHZ, respectively. To enable data exchange with the host that is
* not dependent on the targets architecture, the byte ordering needs to be known.
* Setting BOOT_CPU_BYTE_ORDER_MOTOROLA to 1 selects big endian mode and 0 selects
* little endian mode.
*
* Set BOOT_CPU_USER_PROGRAM_START_HOOK to 1 if you would like a hook function to be
* called the moment the user program is about to be started. This could be used to
* de-initialize application specific parts, for example to stop blinking an LED, etc.
*/
/** \brief Frequency of the external crystal oscillator. */
#define BOOT_CPU_XTAL_SPEED_KHZ (8000)
/** \brief Desired system speed. */
#define BOOT_CPU_SYSTEM_SPEED_KHZ (48000)
/** \brief Motorola or Intel style byte ordering. */
#define BOOT_CPU_BYTE_ORDER_MOTOROLA (0)
/** \brief Enable/disable hook function call right before user program start. */
#define BOOT_CPU_USER_PROGRAM_START_HOOK (1)
/****************************************************************************************
* C O M M U N I C A T I O N I N T E R F A C E C O N F I G U R A T I O N
****************************************************************************************/
/* The RS232 communication interface is selected by setting the BOOT_COM_RS232_ENABLE
* configurable to 1. Configurable BOOT_COM_RS232_BAUDRATE selects the communication speed
* in bits/second. The maximum amount of data bytes in a message for data transmission
* and reception is set through BOOT_COM_RS232_TX_MAX_DATA and BOOT_COM_RS232_RX_MAX_DATA,
* respectively. It is common for a microcontroller to have more than 1 UART interface
* on board. The zero-based BOOT_COM_RS232_CHANNEL_INDEX selects the UART interface.
*
*/
/** \brief Enable/disable UART transport layer. */
#define BOOT_COM_RS232_ENABLE (1)
/** \brief Configure the desired communication speed. */
#define BOOT_COM_RS232_BAUDRATE (115200)
/** \brief Configure number of bytes in the target->host data packet. */
#define BOOT_COM_RS232_TX_MAX_DATA (64)
/** \brief Configure number of bytes in the host->target data packet. */
#define BOOT_COM_RS232_RX_MAX_DATA (64)
/** \brief Select the desired UART peripheral as a zero based index. */
#define BOOT_COM_RS232_CHANNEL_INDEX (1)
/****************************************************************************************
* B A C K D O O R E N T R Y C O N F I G U R A T I O N
****************************************************************************************/
/* It is possible to implement an application specific method to force the bootloader to
* stay active after a reset. Such a backdoor entry into the bootloader is desired in
* situations where the user program does not run properly and therefore cannot
* reactivate the bootloader. By enabling these hook functions, the application can
* implement the backdoor, which overrides the default backdoor entry that is programmed
* into the bootloader. When desired for security purposes, these hook functions can
* also be implemented in a way that disables the backdoor entry altogether.
*/
/** \brief Enable/disable the backdoor override hook functions. */
#define BOOT_BACKDOOR_HOOKS_ENABLE (0)
/****************************************************************************************
* N O N - V O L A T I L E M E M O R Y D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* The NVM driver typically supports erase and program operations of the internal memory
* present on the microcontroller. Through these hook functions the NVM driver can be
* extended to support additional memory types such as external flash memory and serial
* eeproms. The size of the internal memory in kilobytes is specified with configurable
* BOOT_NVM_SIZE_KB. If desired the internal checksum writing and verification method can
* be overridden with a application specific method by enabling configuration switch
* BOOT_NVM_CHECKSUM_HOOKS_ENABLE.
*/
/** \brief Enable/disable the NVM hook function for supporting additional memory devices. */
#define BOOT_NVM_HOOKS_ENABLE (0)
/** \brief Configure the size of the default memory device (typically flash EEPROM). */
#define BOOT_NVM_SIZE_KB (128)
/** \brief Enable/disable hooks functions to override the user program checksum handling. */
#define BOOT_NVM_CHECKSUM_HOOKS_ENABLE (0)
/****************************************************************************************
* F L A S H M E M O R Y D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/** \brief This microcontroller has a smaller vector table then the default STM32F1xx
* project as assumed in the bootloader's core. This means the user program has
* a different checksum location, because this one is added at the end of the
* user program's vector table.
*/
#define BOOT_FLASH_VECTOR_TABLE_CS_OFFSET (0x10c)
/** \brief Enable support for a custom flash layout table. It is located in
* flash_layout.c. This was done because the default flashLayout[] table
* in the bootloader's core has more flash memory reserved for the bootloader
* than is needed for this demo.
*/
#define BOOT_FLASH_CUSTOM_LAYOUT_ENABLE (1)
/****************************************************************************************
* W A T C H D O G D R I V E R C O N F I G U R A T I O N
****************************************************************************************/
/* The COP driver cannot be configured internally in the bootloader, because its use
* and configuration is application specific. The bootloader does need to service the
* watchdog in case it is used. When the application requires the use of a watchdog,
* set BOOT_COP_HOOKS_ENABLE to be able to initialize and service the watchdog through
* hook functions.
*/
/** \brief Enable/disable the hook functions for controlling the watchdog. */
#define BOOT_COP_HOOKS_ENABLE (1)
/****************************************************************************************
* S E E D / K E Y S E C U R I T Y C O N F I G U R A T I O N
****************************************************************************************/
/* A security mechanism can be enabled in the bootloader's XCP module by setting configu-
* rable BOOT_XCP_SEED_KEY_ENABLE to 1. Before any memory erase or programming
* operations can be performed, access to this resource need to be unlocked.
* In the Microboot settings on tab "XCP Protection" you need to specify a DLL that
* implements the unlocking algorithm. The demo programs are configured for the (simple)
* algorithm in "libseednkey.dll". The source code for this DLL is available so it can be
* customized to your needs.
* During the unlock sequence, Microboot requests a seed from the bootloader, which is in
* the format of a byte array. Using this seed the unlock algorithm in the DLL computes
* a key, which is also a byte array, and sends this back to the bootloader. The
* bootloader then verifies this key to determine if programming and erase operations are
* permitted.
* After enabling this feature the hook functions XcpGetSeedHook() and XcpVerifyKeyHook()
* are called by the bootloader to obtain the seed and to verify the key, respectively.
*/
#define BOOT_XCP_SEED_KEY_ENABLE (0)
#endif /* BLT_CONF_H */
/*********************************** end of blt_conf.h *********************************/

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/** \brief Array wit the layout of the flash memory.
* \details Also controls what part of the flash memory is reserved for the bootloader.
* If the bootloader size changes, the reserved sectors for the bootloader
* might need adjustment to make sure the bootloader doesn't get overwritten.
*/
static const tFlashSector flashLayout[] =
{
/* space is reserved for a bootloader configuration with all supported communication
* interfaces enabled. when for example only UART is needed, than the space required
* for the bootloader can be made a lot smaller here.
*/
/* { 0x08000000, 0x02000 }, flash sector 0 - reserved for bootloader */
{ 0x08002000, 0x02000 }, /* flash sector 1 - 8kb */
{ 0x08004000, 0x02000 }, /* flash sector 2 - 8kb */
{ 0x08006000, 0x02000 }, /* flash sector 3 - 8kb */
{ 0x08008000, 0x02000 }, /* flash sector 4 - 8kb */
{ 0x0800A000, 0x02000 }, /* flash sector 5 - 8kb */
{ 0x0800C000, 0x02000 }, /* flash sector 6 - 8kb */
{ 0x0800E000, 0x02000 }, /* flash sector 7 - 8kb */
{ 0x08010000, 0x02000 }, /* flash sector 8 - 8kb */
{ 0x08012000, 0x02000 }, /* flash sector 9 - 8kb */
{ 0x08014000, 0x02000 }, /* flash sector 10 - 8kb */
{ 0x08016000, 0x02000 }, /* flash sector 11 - 8kb */
{ 0x08018000, 0x02000 }, /* flash sector 12 - 8kb */
{ 0x0801A000, 0x02000 }, /* flash sector 13 - 8kb */
{ 0x0801C000, 0x02000 }, /* flash sector 14 - 8kb */
{ 0x0801E000, 0x02000 }, /* flash sector 15 - 8kb */
};
/*********************************** end of flash_layout.c *****************************/

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/****************************************************************************************
* Include files
****************************************************************************************/
#include "boot.h" /* bootloader generic header */
#include "led.h" /* LED driver header */
#include "stm32f1xx.h" /* STM32 registers and drivers */
#include "stm32f1xx_ll_gpio.h" /* STM32 LL GPIO header */
/****************************************************************************************
* B A C K D O O R E N T R Y H O O K F U N C T I O N S
****************************************************************************************/
#if (BOOT_BACKDOOR_HOOKS_ENABLE > 0)
/************************************************************************************//**
** \brief Initializes the backdoor entry option.
** \return none.
**
****************************************************************************************/
void BackDoorInitHook(void)
{
} /*** end of BackDoorInitHook ***/
/************************************************************************************//**
** \brief Checks if a backdoor entry is requested.
** \return BLT_TRUE if the backdoor entry is requested, BLT_FALSE otherwise.
**
****************************************************************************************/
blt_bool BackDoorEntryHook(void)
{
/* default implementation always activates the bootloader after a reset */
return BLT_TRUE;
} /*** end of BackDoorEntryHook ***/
#endif /* BOOT_BACKDOOR_HOOKS_ENABLE > 0 */
/****************************************************************************************
* C P U D R I V E R H O O K F U N C T I O N S
****************************************************************************************/
#if (BOOT_CPU_USER_PROGRAM_START_HOOK > 0)
/************************************************************************************//**
** \brief Callback that gets called when the bootloader is about to exit and
** hand over control to the user program. This is the last moment that
** some final checking can be performed and if necessary prevent the
** bootloader from activiting the user program.
** \return BLT_TRUE if it is okay to start the user program, BLT_FALSE to keep
** keep the bootloader active.
**
****************************************************************************************/
blt_bool CpuUserProgramStartHook(void)
{
/* additional and optional backdoor entry through the pushbutton on the board. to
* force the bootloader to stay active after reset, keep it pressed during reset.
*/
if (LL_GPIO_IsInputPinSet(GPIOC, LL_GPIO_PIN_13) == 0)
{
/* pushbutton pressed, so do not start the user program and keep the
* bootloader active instead.
*/
return BLT_FALSE;
}
/* clean up the LED driver */
LedBlinkExit();
/* okay to start the user program */
return BLT_TRUE;
} /*** end of CpuUserProgramStartHook ***/
#endif /* BOOT_CPU_USER_PROGRAM_START_HOOK > 0 */
/****************************************************************************************
* W A T C H D O G D R I V E R H O O K F U N C T I O N S
****************************************************************************************/
#if (BOOT_COP_HOOKS_ENABLE > 0)
/************************************************************************************//**
** \brief Callback that gets called at the end of the internal COP driver
** initialization routine. It can be used to configure and enable the
** watchdog.
** \return none.
**
****************************************************************************************/
void CopInitHook(void)
{
/* this function is called upon initialization. might as well use it to initialize
* the LED driver. It is kind of a visual watchdog anyways.
*/
LedBlinkInit(100);
} /*** end of CopInitHook ***/
/************************************************************************************//**
** \brief Callback that gets called at the end of the internal COP driver
** service routine. This gets called upon initialization and during
** potential long lasting loops and routine. It can be used to service
** the watchdog to prevent a watchdog reset.
** \return none.
**
****************************************************************************************/
void CopServiceHook(void)
{
/* run the LED blink task. this is a better place to do it than in the main() program
* loop. certain operations such as flash erase can take a long time, which would cause
* a blink interval to be skipped. this function is also called during such operations,
* so no blink intervals will be skipped when calling the LED blink task here.
*/
LedBlinkTask();
} /*** end of CopServiceHook ***/
#endif /* BOOT_COP_HOOKS_ENABLE > 0 */
/****************************************************************************************
* N O N - V O L A T I L E M E M O R Y D R I V E R H O O K F U N C T I O N S
****************************************************************************************/
#if (BOOT_NVM_HOOKS_ENABLE > 0)
/************************************************************************************//**
** \brief Callback that gets called at the start of the internal NVM driver
** initialization routine.
** \return none.
**
****************************************************************************************/
void NvmInitHook(void)
{
} /*** end of NvmInitHook ***/
/************************************************************************************//**
** \brief Callback that gets called at the start of a firmware update to reinitialize
** the NVM driver.
** \return none.
**
****************************************************************************************/
void NvmReinitHook(void)
{
} /*** end of NvmReinitHook ***/
/************************************************************************************//**
** \brief Callback that gets called at the start of the NVM driver write
** routine. It allows additional memory to be operated on. If the address
** is not within the range of the additional memory, then
** BLT_NVM_NOT_IN_RANGE must be returned to indicate that the data hasn't
** been written yet.
** \param addr Start address.
** \param len Length in bytes.
** \param data Pointer to the data buffer.
** \return BLT_NVM_OKAY if successful, BLT_NVM_NOT_IN_RANGE if the address is
** not within the supported memory range, or BLT_NVM_ERROR is the write
** operation failed.
**
****************************************************************************************/
blt_int8u NvmWriteHook(blt_addr addr, blt_int32u len, blt_int8u *data)
{
return BLT_NVM_NOT_IN_RANGE;
} /*** end of NvmWriteHook ***/
/************************************************************************************//**
** \brief Callback that gets called at the start of the NVM driver erase
** routine. It allows additional memory to be operated on. If the address
** is not within the range of the additional memory, then
** BLT_NVM_NOT_IN_RANGE must be returned to indicate that the memory
** hasn't been erased yet.
** \param addr Start address.
** \param len Length in bytes.
** \return BLT_NVM_OKAY if successful, BLT_NVM_NOT_IN_RANGE if the address is
** not within the supported memory range, or BLT_NVM_ERROR is the erase
** operation failed.
**
****************************************************************************************/
blt_int8u NvmEraseHook(blt_addr addr, blt_int32u len)
{
return BLT_NVM_NOT_IN_RANGE;
} /*** end of NvmEraseHook ***/
/************************************************************************************//**
** \brief Callback that gets called at the end of the NVM programming session.
** \return BLT_TRUE is successful, BLT_FALSE otherwise.
**
****************************************************************************************/
blt_bool NvmDoneHook(void)
{
return BLT_TRUE;
} /*** end of NvmDoneHook ***/
#endif /* BOOT_NVM_HOOKS_ENABLE > 0 */
#if (BOOT_NVM_CHECKSUM_HOOKS_ENABLE > 0)
/************************************************************************************//**
** \brief Verifies the checksum, which indicates that a valid user program is
** present and can be started.
** \return BLT_TRUE if successful, BLT_FALSE otherwise.
**
****************************************************************************************/
blt_bool NvmVerifyChecksumHook(void)
{
return BLT_TRUE;
} /*** end of NvmVerifyChecksum ***/
/************************************************************************************//**
** \brief Writes a checksum of the user program to non-volatile memory. This is
** performed once the entire user program has been programmed. Through
** the checksum, the bootloader can check if a valid user programming is
** present and can be started.
** \return BLT_TRUE if successful, BLT_FALSE otherwise.
**
****************************************************************************************/
blt_bool NvmWriteChecksumHook(void)
{
return BLT_TRUE;
}
#endif /* BOOT_NVM_CHECKSUM_HOOKS_ENABLE > 0 */
/****************************************************************************************
* S E E D / K E Y S E C U R I T Y H O O K F U N C T I O N S
****************************************************************************************/
#if (BOOT_XCP_SEED_KEY_ENABLE > 0)
/************************************************************************************//**
** \brief Provides a seed to the XCP master that will be used for the key
** generation when the master attempts to unlock the specified resource.
** Called by the GET_SEED command.
** \param resource Resource that the seed if requested for (XCP_RES_XXX).
** \param seed Pointer to byte buffer wher the seed will be stored.
** \return Length of the seed in bytes.
**
****************************************************************************************/
blt_int8u XcpGetSeedHook(blt_int8u resource, blt_int8u *seed)
{
/* request seed for unlocking ProGraMming resource */
if ((resource & XCP_RES_PGM) != 0)
{
seed[0] = 0x55;
}
/* return seed length */
return 1;
} /*** end of XcpGetSeedHook ***/
/************************************************************************************//**
** \brief Called by the UNLOCK command and checks if the key to unlock the
** specified resource was correct. If so, then the resource protection
** will be removed.
** \param resource resource to unlock (XCP_RES_XXX).
** \param key pointer to the byte buffer holding the key.
** \param len length of the key in bytes.
** \return 1 if the key was correct, 0 otherwise.
**
****************************************************************************************/
blt_int8u XcpVerifyKeyHook(blt_int8u resource, blt_int8u *key, blt_int8u len)
{
/* suppress compiler warning for unused parameter */
len = len;
/* the example key algorithm in "libseednkey.dll" works as follows:
* - PGM will be unlocked if key = seed - 1
*/
/* check key for unlocking ProGraMming resource */
if ((resource == XCP_RES_PGM) && (key[0] == (0x55-1)))
{
/* correct key received for unlocking PGM resource */
return 1;
}
/* still here so key incorrect */
return 0;
} /*** end of XcpVerifyKeyHook ***/
#endif /* BOOT_XCP_SEED_KEY_ENABLE > 0 */
/*********************************** end of hooks.c ************************************/

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/****************************************************************************************
* Include files
****************************************************************************************/
#include "boot.h" /* bootloader generic header */
#include "led.h" /* module header */
#include "stm32f1xx.h" /* STM32 registers and drivers */
#include "stm32f1xx_ll_gpio.h" /* STM32 LL GPIO header */
/****************************************************************************************
* Local data declarations
****************************************************************************************/
/** \brief Holds the desired LED blink interval time. */
static blt_int16u ledBlinkIntervalMs;
/************************************************************************************//**
** \brief Initializes the LED blink driver.
** \param interval_ms Specifies the desired LED blink interval time in milliseconds.
** \return none.
**
****************************************************************************************/
void LedBlinkInit(blt_int16u interval_ms)
{
/* store the interval time between LED toggles */
ledBlinkIntervalMs = interval_ms;
} /*** end of LedBlinkInit ***/
/************************************************************************************//**
** \brief Task function for blinking the LED as a fixed timer interval.
** \return none.
**
****************************************************************************************/
void LedBlinkTask(void)
{
static blt_bool ledOn = BLT_FALSE;
static blt_int32u nextBlinkEvent = 0;
/* check for blink event */
if (TimerGet() >= nextBlinkEvent)
{
/* toggle the LED state */
if (ledOn == BLT_FALSE)
{
ledOn = BLT_TRUE;
LL_GPIO_SetOutputPin(GPIOA, LL_GPIO_PIN_5);
}
else
{
ledOn = BLT_FALSE;
LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_5);
}
/* schedule the next blink event */
nextBlinkEvent = TimerGet() + ledBlinkIntervalMs;
}
} /*** end of LedBlinkTask ***/
/************************************************************************************//**
** \brief Cleans up the LED blink driver. This is intended to be used upon program
** exit.
** \return none.
**
****************************************************************************************/
void LedBlinkExit(void)
{
/* turn the LED off */
LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_5);
} /*** end of LedBlinkExit ***/
/*********************************** end of led.c **************************************/

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#ifndef LED_H
#define LED_H
/****************************************************************************************
* Function prototypes
****************************************************************************************/
void LedBlinkInit(blt_int16u interval_ms);
void LedBlinkTask(void);
void LedBlinkExit(void);
#endif /* LED_H */
/*********************************** end of led.h **************************************/

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/**
******************************************************************************
* @file stm32f1xx_hal_conf.h
* @brief HAL configuration file.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_HAL_CONF_H
#define __STM32F1xx_HAL_CONF_H
#ifdef __cplusplus
extern "C" {
#endif
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* ########################## Module Selection ############################## */
/**
* @brief This is the list of modules to be used in the HAL driver
*/
#define HAL_MODULE_ENABLED
/*#define HAL_ADC_MODULE_ENABLED */
/*#define HAL_CRYP_MODULE_ENABLED */
#define HAL_CAN_MODULE_ENABLED
/*#define HAL_CAN_LEGACY_MODULE_ENABLED */
/*#define HAL_CEC_MODULE_ENABLED */
/*#define HAL_CORTEX_MODULE_ENABLED */
/*#define HAL_CRC_MODULE_ENABLED */
/*#define HAL_DAC_MODULE_ENABLED */
/*#define HAL_DMA_MODULE_ENABLED */
/*#define HAL_ETH_MODULE_ENABLED */
/*#define HAL_FLASH_MODULE_ENABLED */
/*#define HAL_GPIO_MODULE_ENABLED */
/*#define HAL_I2C_MODULE_ENABLED */
/*#define HAL_I2S_MODULE_ENABLED */
/*#define HAL_IRDA_MODULE_ENABLED */
/*#define HAL_IWDG_MODULE_ENABLED */
/*#define HAL_NOR_MODULE_ENABLED */
/*#define HAL_NAND_MODULE_ENABLED */
/*#define HAL_PCCARD_MODULE_ENABLED */
/*#define HAL_PCD_MODULE_ENABLED */
/*#define HAL_HCD_MODULE_ENABLED */
/*#define HAL_PWR_MODULE_ENABLED */
/*#define HAL_RCC_MODULE_ENABLED */
/*#define HAL_RTC_MODULE_ENABLED */
/*#define HAL_SD_MODULE_ENABLED */
/*#define HAL_MMC_MODULE_ENABLED */
/*#define HAL_SDRAM_MODULE_ENABLED */
/*#define HAL_SMARTCARD_MODULE_ENABLED */
/*#define HAL_SPI_MODULE_ENABLED */
/*#define HAL_SRAM_MODULE_ENABLED */
/*#define HAL_TIM_MODULE_ENABLED */
/*#define HAL_UART_MODULE_ENABLED */
/*#define HAL_USART_MODULE_ENABLED */
/*#define HAL_WWDG_MODULE_ENABLED */
#define HAL_CORTEX_MODULE_ENABLED
#define HAL_DMA_MODULE_ENABLED
#define HAL_FLASH_MODULE_ENABLED
#define HAL_EXTI_MODULE_ENABLED
#define HAL_GPIO_MODULE_ENABLED
#define HAL_PWR_MODULE_ENABLED
#define HAL_RCC_MODULE_ENABLED
/* ########################## Oscillator Values adaptation ####################*/
/**
* @brief Adjust the value of External High Speed oscillator (HSE) used in your application.
* This value is used by the RCC HAL module to compute the system frequency
* (when HSE is used as system clock source, directly or through the PLL).
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */
#endif /* HSE_VALUE */
#if !defined (HSE_STARTUP_TIMEOUT)
#define HSE_STARTUP_TIMEOUT ((uint32_t)100) /*!< Time out for HSE start up, in ms */
#endif /* HSE_STARTUP_TIMEOUT */
/**
* @brief Internal High Speed oscillator (HSI) value.
* This value is used by the RCC HAL module to compute the system frequency
* (when HSI is used as system clock source, directly or through the PLL).
*/
#if !defined (HSI_VALUE)
#define HSI_VALUE ((uint32_t)8000000) /*!< Value of the Internal oscillator in Hz*/
#endif /* HSI_VALUE */
/**
* @brief Internal Low Speed oscillator (LSI) value.
*/
#if !defined (LSI_VALUE)
#define LSI_VALUE 40000U /*!< LSI Typical Value in Hz */
#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz
The real value may vary depending on the variations
in voltage and temperature. */
/**
* @brief External Low Speed oscillator (LSE) value.
* This value is used by the UART, RTC HAL module to compute the system frequency
*/
#if !defined (LSE_VALUE)
#define LSE_VALUE ((uint32_t)32768) /*!< Value of the External oscillator in Hz*/
#endif /* LSE_VALUE */
#if !defined (LSE_STARTUP_TIMEOUT)
#define LSE_STARTUP_TIMEOUT ((uint32_t)5000) /*!< Time out for LSE start up, in ms */
#endif /* LSE_STARTUP_TIMEOUT */
/* Tip: To avoid modifying this file each time you need to use different HSE,
=== you can define the HSE value in your toolchain compiler preprocessor. */
/* ########################### System Configuration ######################### */
/**
* @brief This is the HAL system configuration section
*/
#define VDD_VALUE ((uint32_t)3300) /*!< Value of VDD in mv */
#define TICK_INT_PRIORITY ((uint32_t)0) /*!< tick interrupt priority (lowest by default) */
#define USE_RTOS 0
#define PREFETCH_ENABLE 1
#define USE_HAL_ADC_REGISTER_CALLBACKS 0U /* ADC register callback disabled */
#define USE_HAL_CAN_REGISTER_CALLBACKS 0U /* CAN register callback disabled */
#define USE_HAL_CEC_REGISTER_CALLBACKS 0U /* CEC register callback disabled */
#define USE_HAL_DAC_REGISTER_CALLBACKS 0U /* DAC register callback disabled */
#define USE_HAL_ETH_REGISTER_CALLBACKS 0U /* ETH register callback disabled */
#define USE_HAL_HCD_REGISTER_CALLBACKS 0U /* HCD register callback disabled */
#define USE_HAL_I2C_REGISTER_CALLBACKS 0U /* I2C register callback disabled */
#define USE_HAL_I2S_REGISTER_CALLBACKS 0U /* I2S register callback disabled */
#define USE_HAL_MMC_REGISTER_CALLBACKS 0U /* MMC register callback disabled */
#define USE_HAL_NAND_REGISTER_CALLBACKS 0U /* NAND register callback disabled */
#define USE_HAL_NOR_REGISTER_CALLBACKS 0U /* NOR register callback disabled */
#define USE_HAL_PCCARD_REGISTER_CALLBACKS 0U /* PCCARD register callback disabled */
#define USE_HAL_PCD_REGISTER_CALLBACKS 0U /* PCD register callback disabled */
#define USE_HAL_RTC_REGISTER_CALLBACKS 0U /* RTC register callback disabled */
#define USE_HAL_SD_REGISTER_CALLBACKS 0U /* SD register callback disabled */
#define USE_HAL_SMARTCARD_REGISTER_CALLBACKS 0U /* SMARTCARD register callback disabled */
#define USE_HAL_IRDA_REGISTER_CALLBACKS 0U /* IRDA register callback disabled */
#define USE_HAL_SRAM_REGISTER_CALLBACKS 0U /* SRAM register callback disabled */
#define USE_HAL_SPI_REGISTER_CALLBACKS 0U /* SPI register callback disabled */
#define USE_HAL_TIM_REGISTER_CALLBACKS 0U /* TIM register callback disabled */
#define USE_HAL_UART_REGISTER_CALLBACKS 0U /* UART register callback disabled */
#define USE_HAL_USART_REGISTER_CALLBACKS 0U /* USART register callback disabled */
#define USE_HAL_WWDG_REGISTER_CALLBACKS 0U /* WWDG register callback disabled */
/* ########################## Assert Selection ############################## */
/**
* @brief Uncomment the line below to expanse the "assert_param" macro in the
* HAL drivers code
*/
/* #define USE_FULL_ASSERT 1U */
/* ################## SPI peripheral configuration ########################## */
/* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
* Activated: CRC code is present inside driver
* Deactivated: CRC code cleaned from driver
*/
#define USE_SPI_CRC 0U
/* Includes ------------------------------------------------------------------*/
/**
* @brief Include module's header file
*/
#ifdef HAL_RCC_MODULE_ENABLED
#include "stm32f1xx_hal_rcc.h"
#endif /* HAL_RCC_MODULE_ENABLED */
#ifdef HAL_GPIO_MODULE_ENABLED
#include "stm32f1xx_hal_gpio.h"
#endif /* HAL_GPIO_MODULE_ENABLED */
#ifdef HAL_EXTI_MODULE_ENABLED
#include "stm32f1xx_hal_exti.h"
#endif /* HAL_EXTI_MODULE_ENABLED */
#ifdef HAL_DMA_MODULE_ENABLED
#include "stm32f1xx_hal_dma.h"
#endif /* HAL_DMA_MODULE_ENABLED */
#ifdef HAL_ETH_MODULE_ENABLED
#include "stm32f1xx_hal_eth.h"
#endif /* HAL_ETH_MODULE_ENABLED */
#ifdef HAL_CAN_MODULE_ENABLED
#include "stm32f1xx_hal_can.h"
#endif /* HAL_CAN_MODULE_ENABLED */
#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
#include "Legacy/stm32f1xx_hal_can_legacy.h"
#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
#ifdef HAL_CEC_MODULE_ENABLED
#include "stm32f1xx_hal_cec.h"
#endif /* HAL_CEC_MODULE_ENABLED */
#ifdef HAL_CORTEX_MODULE_ENABLED
#include "stm32f1xx_hal_cortex.h"
#endif /* HAL_CORTEX_MODULE_ENABLED */
#ifdef HAL_ADC_MODULE_ENABLED
#include "stm32f1xx_hal_adc.h"
#endif /* HAL_ADC_MODULE_ENABLED */
#ifdef HAL_CRC_MODULE_ENABLED
#include "stm32f1xx_hal_crc.h"
#endif /* HAL_CRC_MODULE_ENABLED */
#ifdef HAL_DAC_MODULE_ENABLED
#include "stm32f1xx_hal_dac.h"
#endif /* HAL_DAC_MODULE_ENABLED */
#ifdef HAL_FLASH_MODULE_ENABLED
#include "stm32f1xx_hal_flash.h"
#endif /* HAL_FLASH_MODULE_ENABLED */
#ifdef HAL_SRAM_MODULE_ENABLED
#include "stm32f1xx_hal_sram.h"
#endif /* HAL_SRAM_MODULE_ENABLED */
#ifdef HAL_NOR_MODULE_ENABLED
#include "stm32f1xx_hal_nor.h"
#endif /* HAL_NOR_MODULE_ENABLED */
#ifdef HAL_I2C_MODULE_ENABLED
#include "stm32f1xx_hal_i2c.h"
#endif /* HAL_I2C_MODULE_ENABLED */
#ifdef HAL_I2S_MODULE_ENABLED
#include "stm32f1xx_hal_i2s.h"
#endif /* HAL_I2S_MODULE_ENABLED */
#ifdef HAL_IWDG_MODULE_ENABLED
#include "stm32f1xx_hal_iwdg.h"
#endif /* HAL_IWDG_MODULE_ENABLED */
#ifdef HAL_PWR_MODULE_ENABLED
#include "stm32f1xx_hal_pwr.h"
#endif /* HAL_PWR_MODULE_ENABLED */
#ifdef HAL_RTC_MODULE_ENABLED
#include "stm32f1xx_hal_rtc.h"
#endif /* HAL_RTC_MODULE_ENABLED */
#ifdef HAL_PCCARD_MODULE_ENABLED
#include "stm32f1xx_hal_pccard.h"
#endif /* HAL_PCCARD_MODULE_ENABLED */
#ifdef HAL_SD_MODULE_ENABLED
#include "stm32f1xx_hal_sd.h"
#endif /* HAL_SD_MODULE_ENABLED */
#ifdef HAL_NAND_MODULE_ENABLED
#include "stm32f1xx_hal_nand.h"
#endif /* HAL_NAND_MODULE_ENABLED */
#ifdef HAL_SPI_MODULE_ENABLED
#include "stm32f1xx_hal_spi.h"
#endif /* HAL_SPI_MODULE_ENABLED */
#ifdef HAL_TIM_MODULE_ENABLED
#include "stm32f1xx_hal_tim.h"
#endif /* HAL_TIM_MODULE_ENABLED */
#ifdef HAL_UART_MODULE_ENABLED
#include "stm32f1xx_hal_uart.h"
#endif /* HAL_UART_MODULE_ENABLED */
#ifdef HAL_USART_MODULE_ENABLED
#include "stm32f1xx_hal_usart.h"
#endif /* HAL_USART_MODULE_ENABLED */
#ifdef HAL_IRDA_MODULE_ENABLED
#include "stm32f1xx_hal_irda.h"
#endif /* HAL_IRDA_MODULE_ENABLED */
#ifdef HAL_SMARTCARD_MODULE_ENABLED
#include "stm32f1xx_hal_smartcard.h"
#endif /* HAL_SMARTCARD_MODULE_ENABLED */
#ifdef HAL_WWDG_MODULE_ENABLED
#include "stm32f1xx_hal_wwdg.h"
#endif /* HAL_WWDG_MODULE_ENABLED */
#ifdef HAL_PCD_MODULE_ENABLED
#include "stm32f1xx_hal_pcd.h"
#endif /* HAL_PCD_MODULE_ENABLED */
#ifdef HAL_HCD_MODULE_ENABLED
#include "stm32f1xx_hal_hcd.h"
#endif /* HAL_HCD_MODULE_ENABLED */
#ifdef HAL_MMC_MODULE_ENABLED
#include "stm32f1xx_hal_mmc.h"
#endif /* HAL_MMC_MODULE_ENABLED */
/* Exported macro ------------------------------------------------------------*/
#ifdef USE_FULL_ASSERT
/**
* @brief The assert_param macro is used for function's parameters check.
* @param expr If expr is false, it calls assert_failed function
* which reports the name of the source file and the source
* line number of the call that failed.
* If expr is true, it returns no value.
* @retval None
*/
#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__))
/* Exported functions ------------------------------------------------------- */
void assert_failed(uint8_t* file, uint32_t line);
#else
#define assert_param(expr) ((void)0U)
#endif /* USE_FULL_ASSERT */
#ifdef __cplusplus
}
#endif
#endif /* __STM32F1xx_HAL_CONF_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/**
******************************************************************************
* @file system_stm32f1xx.c
* @author MCD Application Team
* @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Source File.
*
* 1. This file provides two functions and one global variable to be called from
* user application:
* - SystemInit(): Setups the system clock (System clock source, PLL Multiplier
* factors, AHB/APBx prescalers and Flash settings).
* This function is called at startup just after reset and
* before branch to main program. This call is made inside
* the "startup_stm32f1xx_xx.s" file.
*
* - SystemCoreClock variable: Contains the core clock (HCLK), it can be used
* by the user application to setup the SysTick
* timer or configure other parameters.
*
* - SystemCoreClockUpdate(): Updates the variable SystemCoreClock and must
* be called whenever the core clock is changed
* during program execution.
*
* 2. After each device reset the HSI (8 MHz) is used as system clock source.
* Then SystemInit() function is called, in "startup_stm32f1xx_xx.s" file, to
* configure the system clock before to branch to main program.
*
* 4. The default value of HSE crystal is set to 8 MHz (or 25 MHz, depending on
* the product used), refer to "HSE_VALUE".
* When HSE is used as system clock source, directly or through PLL, and you
* are using different crystal you have to adapt the HSE value to your own
* configuration.
*
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/** @addtogroup CMSIS
* @{
*/
/** @addtogroup stm32f1xx_system
* @{
*/
/** @addtogroup STM32F1xx_System_Private_Includes
* @{
*/
#include "stm32f1xx.h"
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Defines
* @{
*/
#if !defined (HSE_VALUE)
#define HSE_VALUE 8000000U /*!< Default value of the External oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSE_VALUE */
#if !defined (HSI_VALUE)
#define HSI_VALUE 8000000U /*!< Default value of the Internal oscillator in Hz.
This value can be provided and adapted by the user application. */
#endif /* HSI_VALUE */
/*!< Uncomment the following line if you need to use external SRAM */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/* #define DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/*!< Uncomment the following line if you need to relocate your vector Table in
Internal SRAM. */
/* #define VECT_TAB_SRAM */
#define VECT_TAB_OFFSET 0x00000000U /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Macros
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Variables
* @{
*/
/* This variable is updated in three ways:
1) by calling CMSIS function SystemCoreClockUpdate()
2) by calling HAL API function HAL_RCC_GetHCLKFreq()
3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
Note: If you use this function to configure the system clock; then there
is no need to call the 2 first functions listed above, since SystemCoreClock
variable is updated automatically.
*/
uint32_t SystemCoreClock = 16000000;
const uint8_t AHBPrescTable[16U] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
const uint8_t APBPrescTable[8U] = {0, 0, 0, 0, 1, 2, 3, 4};
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_FunctionPrototypes
* @{
*/
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
static void SystemInit_ExtMemCtl(void);
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/** @addtogroup STM32F1xx_System_Private_Functions
* @{
*/
/**
* @brief Setup the microcontroller system
* Initialize the Embedded Flash Interface, the PLL and update the
* SystemCoreClock variable.
* @note This function should be used only after reset.
* @param None
* @retval None
*/
void SystemInit (void)
{
/* Reset the RCC clock configuration to the default reset state(for debug purpose) */
/* Set HSION bit */
RCC->CR |= 0x00000001U;
/* Reset SW, HPRE, PPRE1, PPRE2, ADCPRE and MCO bits */
#if !defined(STM32F105xC) && !defined(STM32F107xC)
RCC->CFGR &= 0xF8FF0000U;
#else
RCC->CFGR &= 0xF0FF0000U;
#endif /* STM32F105xC */
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= 0xFEF6FFFFU;
/* Reset HSEBYP bit */
RCC->CR &= 0xFFFBFFFFU;
/* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE/OTGFSPRE bits */
RCC->CFGR &= 0xFF80FFFFU;
#if defined(STM32F105xC) || defined(STM32F107xC)
/* Reset PLL2ON and PLL3ON bits */
RCC->CR &= 0xEBFFFFFFU;
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x00FF0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#elif defined(STM32F100xB) || defined(STM32F100xE)
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
/* Reset CFGR2 register */
RCC->CFGR2 = 0x00000000U;
#else
/* Disable all interrupts and clear pending bits */
RCC->CIR = 0x009F0000U;
#endif /* STM32F105xC */
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
#ifdef DATA_IN_ExtSRAM
SystemInit_ExtMemCtl();
#endif /* DATA_IN_ExtSRAM */
#endif
#ifdef VECT_TAB_SRAM
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM. */
#else
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH. */
#endif
}
/**
* @brief Update SystemCoreClock variable according to Clock Register Values.
* The SystemCoreClock variable contains the core clock (HCLK), it can
* be used by the user application to setup the SysTick timer or configure
* other parameters.
*
* @note Each time the core clock (HCLK) changes, this function must be called
* to update SystemCoreClock variable value. Otherwise, any configuration
* based on this variable will be incorrect.
*
* @note - The system frequency computed by this function is not the real
* frequency in the chip. It is calculated based on the predefined
* constant and the selected clock source:
*
* - If SYSCLK source is HSI, SystemCoreClock will contain the HSI_VALUE(*)
*
* - If SYSCLK source is HSE, SystemCoreClock will contain the HSE_VALUE(**)
*
* - If SYSCLK source is PLL, SystemCoreClock will contain the HSE_VALUE(**)
* or HSI_VALUE(*) multiplied by the PLL factors.
*
* (*) HSI_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz) but the real value may vary depending on the variations
* in voltage and temperature.
*
* (**) HSE_VALUE is a constant defined in stm32f1xx.h file (default value
* 8 MHz or 25 MHz, depending on the product used), user has to ensure
* that HSE_VALUE is same as the real frequency of the crystal used.
* Otherwise, this function may have wrong result.
*
* - The result of this function could be not correct when using fractional
* value for HSE crystal.
* @param None
* @retval None
*/
void SystemCoreClockUpdate (void)
{
uint32_t tmp = 0U, pllmull = 0U, pllsource = 0U;
#if defined(STM32F105xC) || defined(STM32F107xC)
uint32_t prediv1source = 0U, prediv1factor = 0U, prediv2factor = 0U, pll2mull = 0U;
#endif /* STM32F105xC */
#if defined(STM32F100xB) || defined(STM32F100xE)
uint32_t prediv1factor = 0U;
#endif /* STM32F100xB or STM32F100xE */
/* Get SYSCLK source -------------------------------------------------------*/
tmp = RCC->CFGR & RCC_CFGR_SWS;
switch (tmp)
{
case 0x00U: /* HSI used as system clock */
SystemCoreClock = HSI_VALUE;
break;
case 0x04U: /* HSE used as system clock */
SystemCoreClock = HSE_VALUE;
break;
case 0x08U: /* PLL used as system clock */
/* Get PLL clock source and multiplication factor ----------------------*/
pllmull = RCC->CFGR & RCC_CFGR_PLLMULL;
pllsource = RCC->CFGR & RCC_CFGR_PLLSRC;
#if !defined(STM32F105xC) && !defined(STM32F107xC)
pllmull = ( pllmull >> 18U) + 2U;
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{
#if defined(STM32F100xB) || defined(STM32F100xE)
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
#else
/* HSE selected as PLL clock entry */
if ((RCC->CFGR & RCC_CFGR_PLLXTPRE) != (uint32_t)RESET)
{/* HSE oscillator clock divided by 2 */
SystemCoreClock = (HSE_VALUE >> 1U) * pllmull;
}
else
{
SystemCoreClock = HSE_VALUE * pllmull;
}
#endif
}
#else
pllmull = pllmull >> 18U;
if (pllmull != 0x0DU)
{
pllmull += 2U;
}
else
{ /* PLL multiplication factor = PLL input clock * 6.5 */
pllmull = 13U / 2U;
}
if (pllsource == 0x00U)
{
/* HSI oscillator clock divided by 2 selected as PLL clock entry */
SystemCoreClock = (HSI_VALUE >> 1U) * pllmull;
}
else
{/* PREDIV1 selected as PLL clock entry */
/* Get PREDIV1 clock source and division factor */
prediv1source = RCC->CFGR2 & RCC_CFGR2_PREDIV1SRC;
prediv1factor = (RCC->CFGR2 & RCC_CFGR2_PREDIV1) + 1U;
if (prediv1source == 0U)
{
/* HSE oscillator clock selected as PREDIV1 clock entry */
SystemCoreClock = (HSE_VALUE / prediv1factor) * pllmull;
}
else
{/* PLL2 clock selected as PREDIV1 clock entry */
/* Get PREDIV2 division factor and PLL2 multiplication factor */
prediv2factor = ((RCC->CFGR2 & RCC_CFGR2_PREDIV2) >> 4U) + 1U;
pll2mull = ((RCC->CFGR2 & RCC_CFGR2_PLL2MUL) >> 8U) + 2U;
SystemCoreClock = (((HSE_VALUE / prediv2factor) * pll2mull) / prediv1factor) * pllmull;
}
}
#endif /* STM32F105xC */
break;
default:
SystemCoreClock = HSI_VALUE;
break;
}
/* Compute HCLK clock frequency ----------------*/
/* Get HCLK prescaler */
tmp = AHBPrescTable[((RCC->CFGR & RCC_CFGR_HPRE) >> 4U)];
/* HCLK clock frequency */
SystemCoreClock >>= tmp;
}
#if defined(STM32F100xE) || defined(STM32F101xE) || defined(STM32F101xG) || defined(STM32F103xE) || defined(STM32F103xG)
/**
* @brief Setup the external memory controller. Called in startup_stm32f1xx.s
* before jump to __main
* @param None
* @retval None
*/
#ifdef DATA_IN_ExtSRAM
/**
* @brief Setup the external memory controller.
* Called in startup_stm32f1xx_xx.s/.c before jump to main.
* This function configures the external SRAM mounted on STM3210E-EVAL
* board (STM32 High density devices). This SRAM will be used as program
* data memory (including heap and stack).
* @param None
* @retval None
*/
void SystemInit_ExtMemCtl(void)
{
__IO uint32_t tmpreg;
/*!< FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is
required, then adjust the Register Addresses */
/* Enable FSMC clock */
RCC->AHBENR = 0x00000114U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->AHBENR, RCC_AHBENR_FSMCEN);
/* Enable GPIOD, GPIOE, GPIOF and GPIOG clocks */
RCC->APB2ENR = 0x000001E0U;
/* Delay after an RCC peripheral clock enabling */
tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_IOPDEN);
(void)(tmpreg);
/* --------------- SRAM Data lines, NOE and NWE configuration ---------------*/
/*---------------- SRAM Address lines configuration -------------------------*/
/*---------------- NOE and NWE configuration --------------------------------*/
/*---------------- NE3 configuration ----------------------------------------*/
/*---------------- NBL0, NBL1 configuration ---------------------------------*/
GPIOD->CRL = 0x44BB44BBU;
GPIOD->CRH = 0xBBBBBBBBU;
GPIOE->CRL = 0xB44444BBU;
GPIOE->CRH = 0xBBBBBBBBU;
GPIOF->CRL = 0x44BBBBBBU;
GPIOF->CRH = 0xBBBB4444U;
GPIOG->CRL = 0x44BBBBBBU;
GPIOG->CRH = 0x444B4B44U;
/*---------------- FSMC Configuration ---------------------------------------*/
/*---------------- Enable FSMC Bank1_SRAM Bank ------------------------------*/
FSMC_Bank1->BTCR[4U] = 0x00001091U;
FSMC_Bank1->BTCR[5U] = 0x00110212U;
}
#endif /* DATA_IN_ExtSRAM */
#endif /* STM32F100xE || STM32F101xE || STM32F101xG || STM32F103xE || STM32F103xG */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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/****************************************************************************************
* Include files
****************************************************************************************/
#include "boot.h" /* bootloader generic header */
#include "stm32f1xx.h" /* STM32 registers and drivers */
#include "stm32f1xx_ll_rcc.h" /* STM32 LL RCC header */
#include "stm32f1xx_ll_bus.h" /* STM32 LL BUS header */
#include "stm32f1xx_ll_system.h" /* STM32 LL SYSTEM header */
#include "stm32f1xx_ll_utils.h" /* STM32 LL UTILS header */
#include "stm32f1xx_ll_usart.h" /* STM32 LL USART header */
#include "stm32f1xx_ll_gpio.h" /* STM32 LL GPIO header */
/****************************************************************************************
* Function prototypes
****************************************************************************************/
static void Init(void);
static void SystemClock_Config(void);
/************************************************************************************//**
** \brief This is the entry point for the bootloader application and is called
** by the reset interrupt vector after the C-startup routines executed.
** \return Program return code.
**
****************************************************************************************/
int main(void)
{
/* initialize the microcontroller */
Init();
/* initialize the bootloader */
BootInit();
/* start the infinite program loop */
while (1)
{
/* run the bootloader task */
BootTask();
}
/* program should never get here */
return 0;
} /*** end of main ***/
/************************************************************************************//**
** \brief Initializes the microcontroller.
** \return none.
**
****************************************************************************************/
static void Init(void)
{
/* HAL library initialization */
HAL_Init();
/* configure system clock */
SystemClock_Config();
} /*** end of Init ***/
/************************************************************************************//**
** \brief System Clock Configuration. This code was created by CubeMX and configures
** the system clock to match the configuration in the bootloader's
** configuration (blt_conf.h), specifically the macros:
** BOOT_CPU_SYSTEM_SPEED_KHZ and BOOT_CPU_XTAL_SPEED_KHZ.
** Note that the Lower Layer drivers were selected in CubeMX for the RCC
** subsystem.
** \return none.
**
****************************************************************************************/
static void SystemClock_Config(void)
{
/* Set flash latency. */
LL_FLASH_SetLatency(LL_FLASH_LATENCY_2);
if (LL_FLASH_GetLatency() != LL_FLASH_LATENCY_2)
{
/* Error setting flash latency. */
ASSERT_RT(BLT_FALSE);
}
/* Enable the HSI clock. */
LL_RCC_HSI_Enable();
/* Wait till HSE is ready. */
while (LL_RCC_HSI_IsReady() != 1)
{
;
}
/* Configure and enable the PLL. */
/* 48MHz max */
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI_DIV_2, LL_RCC_PLL_MUL_12);
LL_RCC_PLL_Enable();
/* Wait till PLL is ready. */
while (LL_RCC_PLL_IsReady() != 1)
{
;
}
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_2);
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
/* Wait till System clock is ready. */
while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
{
;
}
/* Update the system clock speed setting. */
LL_SetSystemCoreClock(BOOT_CPU_SYSTEM_SPEED_KHZ * 1000u);
} /*** end of SystemClock_Config ***/
/************************************************************************************//**
** \brief Initializes the Global MSP. This function is called from HAL_Init()
** function to perform system level initialization (GPIOs, clock, DMA,
** interrupt).
** \return none.
**
****************************************************************************************/
void HAL_MspInit(void)
{
LL_GPIO_InitTypeDef GPIO_InitStruct;
/* AFIO and PWR clock enable. */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_AFIO);
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
/* GPIO ports clock enable. */
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOA);
LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_GPIOC);
#if (BOOT_COM_RS232_ENABLE > 0)
/* UART clock enable. */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_USART2);
#endif
/* Configure GPIO pin for the LED. */
GPIO_InitStruct.Pin = LL_GPIO_PIN_5;
GPIO_InitStruct.Mode = LL_GPIO_MODE_OUTPUT;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
LL_GPIO_ResetOutputPin(GPIOA, LL_GPIO_PIN_5);
/* Configure GPIO pin for (optional) backdoor entry input. */
GPIO_InitStruct.Pin = LL_GPIO_PIN_13;
GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
LL_GPIO_Init(GPIOC, &GPIO_InitStruct);
#if (BOOT_COM_RS232_ENABLE > 0)
/* UART TX and RX GPIO pin configuration. */
GPIO_InitStruct.Pin = LL_GPIO_PIN_2;
GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE;
GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_PUSHPULL;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = LL_GPIO_PIN_3;
GPIO_InitStruct.Mode = LL_GPIO_MODE_FLOATING;
LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
#endif
} /*** end of HAL_MspInit ***/
/************************************************************************************//**
** \brief DeInitializes the Global MSP. This function is called from HAL_DeInit()
** function to perform system level de-initialization (GPIOs, clock, DMA,
** interrupt).
** \return none.
**
****************************************************************************************/
void HAL_MspDeInit(void)
{
/* Reset the RCC clock configuration to the default reset state. */
LL_RCC_DeInit();
/* Deinit used GPIOs. */
LL_GPIO_DeInit(GPIOC);
LL_GPIO_DeInit(GPIOA);
#if (BOOT_COM_RS232_ENABLE > 0)
/* UART clock disable. */
LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_USART2);
#endif
/* GPIO ports clock disable. */
LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_GPIOC);
LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_GPIOA);
/* AFIO and PWR clock disable. */
LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_PWR);
LL_APB2_GRP1_DisableClock(LL_APB2_GRP1_PERIPH_AFIO);
} /*** end of HAL_MspDeInit ***/
/*********************************** end of main.c *************************************/

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/**
*************** (C) COPYRIGHT 2017 STMicroelectronics ************************
* @file startup_stm32f103xb.s
* @author MCD Application Team
* @version V4.2.0
* @date 31-March-2017
* @brief STM32F103xB Devices vector table for Atollic toolchain.
* This module performs:
* - Set the initial SP
* - Set the initial PC == Reset_Handler,
* - Set the vector table entries with the exceptions ISR address
* - Configure the clock system
* - Branches to main in the C library (which eventually
* calls main()).
* After Reset the Cortex-M3 processor is in Thread mode,
* priority is Privileged, and the Stack is set to Main.
******************************************************************************
*
* <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
.syntax unified
.cpu cortex-m3
.fpu softvfp
.thumb
.global g_pfnVectors
.global Default_Handler
/* start address for the initialization values of the .data section.
defined in linker script */
.word _sidata
/* start address for the .data section. defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.word _edata
/* start address for the .bss section. defined in linker script */
.word _sbss
/* end address for the .bss section. defined in linker script */
.word _ebss
.equ BootRAM, 0xF108F85F
/**
* @brief This is the code that gets called when the processor first
* starts execution following a reset event. Only the absolutely
* necessary set is performed, after which the application
* supplied main() routine is called.
* @param None
* @retval : None
*/
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
/* Copy the data segment initializers from flash to SRAM */
movs r1, #0
b LoopCopyDataInit
CopyDataInit:
ldr r3, =_sidata
ldr r3, [r3, r1]
str r3, [r0, r1]
adds r1, r1, #4
LoopCopyDataInit:
ldr r0, =_sdata
ldr r3, =_edata
adds r2, r0, r1
cmp r2, r3
bcc CopyDataInit
ldr r2, =_sbss
b LoopFillZerobss
/* Zero fill the bss segment. */
FillZerobss:
movs r3, #0
str r3, [r2], #4
LoopFillZerobss:
ldr r3, = _ebss
cmp r2, r3
bcc FillZerobss
/* Call the clock system intitialization function.*/
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
bx lr
.size Reset_Handler, .-Reset_Handler
/**
* @brief This is the code that gets called when the processor receives an
* unexpected interrupt. This simply enters an infinite loop, preserving
* the system state for examination by a debugger.
*
* @param None
* @retval : None
*/
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
b Infinite_Loop
.size Default_Handler, .-Default_Handler
/******************************************************************************
*
* The minimal vector table for a Cortex M3. Note that the proper constructs
* must be placed on this to ensure that it ends up at physical address
* 0x0000.0000.
*
******************************************************************************/
.section .isr_vector,"a",%progbits
.type g_pfnVectors, %object
.size g_pfnVectors, .-g_pfnVectors
g_pfnVectors:
.word _estack
.word Reset_Handler
.word NMI_Handler
.word HardFault_Handler
.word MemManage_Handler
.word BusFault_Handler
.word UsageFault_Handler
.word 0
.word 0
.word 0
.word 0
.word SVC_Handler
.word DebugMon_Handler
.word 0
.word PendSV_Handler
.word SysTick_Handler
.word WWDG_IRQHandler
.word PVD_IRQHandler
.word TAMPER_IRQHandler
.word RTC_IRQHandler
.word FLASH_IRQHandler
.word RCC_IRQHandler
.word EXTI0_IRQHandler
.word EXTI1_IRQHandler
.word EXTI2_IRQHandler
.word EXTI3_IRQHandler
.word EXTI4_IRQHandler
.word DMA1_Channel1_IRQHandler
.word DMA1_Channel2_IRQHandler
.word DMA1_Channel3_IRQHandler
.word DMA1_Channel4_IRQHandler
.word DMA1_Channel5_IRQHandler
.word DMA1_Channel6_IRQHandler
.word DMA1_Channel7_IRQHandler
.word ADC1_2_IRQHandler
.word USB_HP_CAN1_TX_IRQHandler
.word USB_LP_CAN1_RX0_IRQHandler
.word CAN1_RX1_IRQHandler
.word CAN1_SCE_IRQHandler
.word EXTI9_5_IRQHandler
.word TIM1_BRK_IRQHandler
.word TIM1_UP_IRQHandler
.word TIM1_TRG_COM_IRQHandler
.word TIM1_CC_IRQHandler
.word TIM2_IRQHandler
.word TIM3_IRQHandler
.word TIM4_IRQHandler
.word I2C1_EV_IRQHandler
.word I2C1_ER_IRQHandler
.word I2C2_EV_IRQHandler
.word I2C2_ER_IRQHandler
.word SPI1_IRQHandler
.word SPI2_IRQHandler
.word USART1_IRQHandler
.word USART2_IRQHandler
.word USART3_IRQHandler
.word EXTI15_10_IRQHandler
.word RTC_Alarm_IRQHandler
.word USBWakeUp_IRQHandler
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word BootRAM /* @0x108. This is for boot in RAM mode for
STM32F10x Medium Density devices. */
/*******************************************************************************
*
* Provide weak aliases for each Exception handler to the Default_Handler.
* As they are weak aliases, any function with the same name will override
* this definition.
*
*******************************************************************************/
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak MemManage_Handler
.thumb_set MemManage_Handler,Default_Handler
.weak BusFault_Handler
.thumb_set BusFault_Handler,Default_Handler
.weak UsageFault_Handler
.thumb_set UsageFault_Handler,Default_Handler
.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler
.weak DebugMon_Handler
.thumb_set DebugMon_Handler,Default_Handler
.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler
.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler
.weak WWDG_IRQHandler
.thumb_set WWDG_IRQHandler,Default_Handler
.weak PVD_IRQHandler
.thumb_set PVD_IRQHandler,Default_Handler
.weak TAMPER_IRQHandler
.thumb_set TAMPER_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak FLASH_IRQHandler
.thumb_set FLASH_IRQHandler,Default_Handler
.weak RCC_IRQHandler
.thumb_set RCC_IRQHandler,Default_Handler
.weak EXTI0_IRQHandler
.thumb_set EXTI0_IRQHandler,Default_Handler
.weak EXTI1_IRQHandler
.thumb_set EXTI1_IRQHandler,Default_Handler
.weak EXTI2_IRQHandler
.thumb_set EXTI2_IRQHandler,Default_Handler
.weak EXTI3_IRQHandler
.thumb_set EXTI3_IRQHandler,Default_Handler
.weak EXTI4_IRQHandler
.thumb_set EXTI4_IRQHandler,Default_Handler
.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
.weak DMA1_Channel2_IRQHandler
.thumb_set DMA1_Channel2_IRQHandler,Default_Handler
.weak DMA1_Channel3_IRQHandler
.thumb_set DMA1_Channel3_IRQHandler,Default_Handler
.weak DMA1_Channel4_IRQHandler
.thumb_set DMA1_Channel4_IRQHandler,Default_Handler
.weak DMA1_Channel5_IRQHandler
.thumb_set DMA1_Channel5_IRQHandler,Default_Handler
.weak DMA1_Channel6_IRQHandler
.thumb_set DMA1_Channel6_IRQHandler,Default_Handler
.weak DMA1_Channel7_IRQHandler
.thumb_set DMA1_Channel7_IRQHandler,Default_Handler
.weak ADC1_2_IRQHandler
.thumb_set ADC1_2_IRQHandler,Default_Handler
.weak USB_HP_CAN1_TX_IRQHandler
.thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler
.weak USB_LP_CAN1_RX0_IRQHandler
.thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler
.weak CAN1_RX1_IRQHandler
.thumb_set CAN1_RX1_IRQHandler,Default_Handler
.weak CAN1_SCE_IRQHandler
.thumb_set CAN1_SCE_IRQHandler,Default_Handler
.weak EXTI9_5_IRQHandler
.thumb_set EXTI9_5_IRQHandler,Default_Handler
.weak TIM1_BRK_IRQHandler
.thumb_set TIM1_BRK_IRQHandler,Default_Handler
.weak TIM1_UP_IRQHandler
.thumb_set TIM1_UP_IRQHandler,Default_Handler
.weak TIM1_TRG_COM_IRQHandler
.thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler
.weak TIM1_CC_IRQHandler
.thumb_set TIM1_CC_IRQHandler,Default_Handler
.weak TIM2_IRQHandler
.thumb_set TIM2_IRQHandler,Default_Handler
.weak TIM3_IRQHandler
.thumb_set TIM3_IRQHandler,Default_Handler
.weak TIM4_IRQHandler
.thumb_set TIM4_IRQHandler,Default_Handler
.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler
.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler
.weak I2C2_EV_IRQHandler
.thumb_set I2C2_EV_IRQHandler,Default_Handler
.weak I2C2_ER_IRQHandler
.thumb_set I2C2_ER_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak SPI2_IRQHandler
.thumb_set SPI2_IRQHandler,Default_Handler
.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler
.weak USART2_IRQHandler
.thumb_set USART2_IRQHandler,Default_Handler
.weak USART3_IRQHandler
.thumb_set USART3_IRQHandler,Default_Handler
.weak EXTI15_10_IRQHandler
.thumb_set EXTI15_10_IRQHandler,Default_Handler
.weak RTC_Alarm_IRQHandler
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
.weak USBWakeUp_IRQHandler
.thumb_set USBWakeUp_IRQHandler,Default_Handler
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -5,7 +5,8 @@
MEMORY
{
blflash (rx) : org = 0x08000000, len = 0
appflash (rx) : org = 0x08000000, len = 128k - 1k
/* 8k reserved for bootloader */
appflash (rx) : org = 0x08000000 + 8k, len = 128k - 1k - 8k
configflash (rx) : org = 0x08000000 + 128k - 1k, len = 1k
flash1 (rx) : org = 0x00000000, len = 0
flash2 (rx) : org = 0x00000000, len = 0