STM32F407 SD card based on the Bootloader project, with a 24C02 EEPROM memory chip, each update program will read the value of the EEPROM version to determine whether to update

STM32F4_bootloader
..................\DebugConfig
..................\...........\BootLoader_STM32F407VETx.dbgconf
..................\...........\BootLoader_STM32F407ZGTx.dbgconf
..................\...........\Target_1_STM32F407ZGTx.dbgconf
..................\...........\Template_STM32F407ZGTx.dbgconf
..................\List
..................\Obj
..................\...\Template.hex
..................\Source
..................\......\CORE
..................\......\....\core_cm4.h
..................\......\....\core_cm4_simd.h
..................\......\....\core_cmFunc.h
..................\......\....\core_cmInstr.h
..................\......\....\startup_stm32f40_41xxx.s
..................\......\FATFS
..................\......\.....\doc
..................\......\.....\...\css_e.css
..................\......\.....\...\css_j.css
..................\......\.....\...\en
..................\......\.....\...\img
..................\......\.....\...\...\app1.c
..................\......\.....\...\...\app2.c
..................\......\.....\...\...\app3.c
..................\......\.....\...\...\app4.c
..................\......\.....\...\...\f1.png
..................\......\.....\...\...\f2.png
..................\......\.....\...\...\f3.png
..................\......\.....\...\...\f4.png
..................\......\.....\...\...\f5.png
..................\......\.....\...\...\f6.png
..................\......\.....\...\...\f7.png
..................\......\.....\...\...\funcs.png
..................\......\.....\...\...\layers.png
..................\......\.....\...\...\layers3.png
..................\......\.....\...\...\modules.png
..................\......\.....\...\...\rwtest.png
..................\......\.....\...\...\rwtest2.png
..................\......\.....\...\...\rwtest3.png
..................\......\.....\...\ja
..................\......\.....\...\updates.txt
..................\......\.....\exfuns
..................\......\.....\......\exfuns.c
..................\......\.....\......\exfuns.h
..................\......\.....\......\fattester.c
..................\......\.....\......\fattester.h
..................\......\.....\src
..................\......\.....\...\00readme.txt
..................\......\.....\...\diskio.c
..................\......\.....\...\diskio.h
..................\......\.....\...\ff.c
..................\......\.....\...\ff.h
..................\......\.....\...\ffconf.h
..................\......\.....\...\integer.h
..................\......\.....\...\option
..................\......\.....\...\......\cc932.c
..................\......\.....\...\......\cc936.c
..................\......\.....\...\......\cc949.c
..................\......\.....\...\......\cc950.c
..................\......\.....\...\......\ccsbcs.c
..................\......\.....\...\......\syscall.c
..................\......\.....\...\......\unicode.c
..................\......\HARDWARE
..................\......\........\24cxx.c
..................\......\........\24cxx.h
..................\......\........\iap.c
..................\......\........\iap.h
..................\......\........\sdio_sdcard.c
..................\......\........\sdio_sdcard.h
..................\......\........\stmflash.c
..................\......\........\stmflash.h
..................\......\MALLOC
..................\......\......\malloc.c
..................\......\......\malloc.h
..................\......\STM32F10x_FWLib
..................\......\...............\inc
..................\......\...............\...\misc.h
..................\......\...............\...\stm32f4xx_adc.h
..................\......\...............\...\stm32f4xx_can.h
..................\......\...............\...\stm32f4xx_crc.h
..................\......\...............\...\stm32f4xx_cryp.h
..................\......\...............\...\stm32f4xx_dac.h
..................\......\...............\...\stm32f4xx_dbgmcu.h
..................\......\...............\...\stm32f4xx_dcmi.h
..................\......\...............\...\stm32f4xx_dma.h
..................\......\...............\...\stm32f4xx_dma2d.h
.....

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