This software uses the STM32f407 chip operation SD card and USB memory, I have tested in the STM32f407 development board, very useful software

USB_PC_USB_SD
.............\Libraries
.............\.........\-娄+藴.txt
.............\.........\CMSIS
.............\.........\.....\CMSIS END USER LICENCE AGREEMENT.pdf
.............\.........\.....\Device
.............\.........\.....\......\ST
.............\.........\.....\......\..\STM32F4xx
.............\.........\.....\......\..\.........\Include
.............\.........\.....\......\..\.........\.......\stm32f4xx.h
.............\.........\.....\......\..\.........\.......\system_stm32f4xx.h
.............\.........\.....\......\..\.........\Release_Notes.html
.............\.........\.....\......\..\.........\Source
.............\.........\.....\......\..\.........\......\Templates
.............\.........\.....\......\..\.........\......\.........\TASKING
.............\.........\.....\......\..\.........\......\.........\.......\cstart_thumb2.asm
.............\.........\.....\......\..\.........\......\.........\TrueSTUDIO
.............\.........\.....\......\..\.........\......\.........\..........\startup_stm32f4xx.s
.............\.........\.....\......\..\.........\......\.........\arm
.............\.........\.....\......\..\.........\......\.........\...\startup_stm32f4xx.s
.............\.........\.....\......\..\.........\......\.........\gcc_ride7
.............\.........\.....\......\..\.........\......\.........\.........\startup_stm32f4xx.s
.............\.........\.....\......\..\.........\......\.........\iar
.............\.........\.....\......\..\.........\......\.........\...\startup_stm32f4xx.s
.............\.........\.....\......\..\.........\......\.........\system_stm32f4xx.c
.............\.........\.....\Include
.............\.........\.....\.......\arm_common_tables.h
.............\.........\.....\.......\arm_math.h
.............\.........\.....\.......\core_cm0.h
.............\.........\.....\.......\core_cm3.h
.............\.........\.....\.......\core_cm4.h
.............\.........\.....\.......\core_cm4_simd.h
.............\.........\.....\.......\core_cmFunc.h
.............\.........\.....\.......\core_cmInstr.h
.............\.........\.....\Lib
.............\.........\.....\...\ARM
.............\.........\.....\...\...\arm_cortexM4b_math.lib
.............\.........\.....\...\...\arm_cortexM4bf_math.lib
.............\.........\.....\...\...\arm_cortexM4l_math.lib
.............\.........\.....\...\...\arm_cortexM4lf_math.lib
.............\.........\.....\...\GCC
.............\.........\.....\README.txt
.............\.........\STM32F4xx_StdPeriph_Driver
.............\.........\..........................\Release_Notes.html
.............\.........\..........................\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_exti.h
.............\.........\..........................\...\stm32f4xx_flash.h
.............\.........\..........................\...\stm32f4xx_fsmc.h
.............\.........\..........................\...\stm32f4xx_gpio.h
.............\.........\..........................\...\stm32f4xx_hash.h
.............\.........\..........................\...\stm32f4xx_i2c.h
.............\.........\..........................\...\stm32f4xx_iwdg.h
.............\.........\..........................\...\stm32f4xx_pwr.h
.............\.........\..........................\...\stm32f4xx_rcc.h
.............\.........\..........................\...\stm32f4xx_rng.h
.............\.........\..........................\...\stm32f4xx_rtc.h
.............\........

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