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Adding MicroSD card code to STM32F4 MCU project

This is next task for our control system based on the ARM Cortex M4 STM32 MCU. The design of the system is done including initialization, state-event transition diagram and main code template. The design is fragmented into many small relatively simple basic tasks for a freelancer to incrementally develop a firmware.

System configuration has been done using *.ioc file generated with STM32CubeMX .

Development environment:


Board STM32F407VET6 with Real Time clock crystal

MicroSD card slot with SDIO interface

USB OTG FS slave to interface with host PC terminal

EEPROM with I2C interface

SWD/JTAG probe interface

Debug Probes : either Segger or ST-LINK/V2

(any of the popular development boards on ebay based on STM32F407VET6 with RTC clock, USB and MicroSD socket will work fine to test the code)

Required skills:

IDE/Toolchain : TrueStudio (Eclipse) + GCC + GDB,

Libraries: STM32Cube with HAL and LL libraries, STM32CubeMX is used to generate configuration files (this has been done and will be provided but changes can be made too).

Middleware : FATFS and USB_OTG


This task adds File Management functionality (FatFS , SDIO interface) to the provided framework.

So far developed framework consists of the STM32F407 MCU target configuration and initialization derived from .ioc file, input/output redirections over USB CDC interface with host PC, state event code provided which needs respective changes to add this task functionality and already done RTC functionality needs only date addition to the code.

In short new code will do:

- FatFS microSD card device initialization,

- two new files creation for logging purposes, new filenames should be found out of the limited range of the filenames, subject described in the example code made for Arduino platform.

- File close upon a command from the host PC

File Management exchange between the target and host PC includes:

- File Reading to PC (Mass Storage Class USB transmission)

- File Delete

- List Directory (only root)

- Wipe all files

These functions should be populated within existent State-Event code (switch-case like) and driven by the commands from the host PC over USB.

Note: Tech documents provided : State-Event transitions diagram and [login to view URL] file with more details. All necessary project files will be provided .

Habilidades: Programación en C, Software integrado, Microcontrolador

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Información del empleador:
( 1 comentario ) Reliance, United States

Nº del proyecto: #17782261

Adjudicado a:


Hi Vlad, I ordered an STM32F4 board (it should be here in 2-3 days). I couldn't get the exact board you have and ended up buying an STM32F4 DISCOVERY. I have an external SD card reader board and EEPROM so I should hav Más

$200 USD en 20 días
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15 freelancers están ofertando el promedio de $469 para este trabajo


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hi sir i can help you specialized in stm32 and keil Senior ENGINEER has more of 40 years’ experience in this profession, developing Hardware and Software Expertise in video processing and associated simulation a Más

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Hi, I am very much interested in your project as I believe I have the expertise, knowledge, skills and tools to do your project. I am embedded software developer with more than 8 years of experience of profession Más

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Hello, I am interesting in your project. I have all needed skills. Also I have development boards and tools. Best regards, Vyacheslav.

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Dear Sir, We are a small R & D company, based in Bulgaria, Europe. We specialize in developing Embed systems based ST(STM32), Microchip (Atmel )(PICs,AVR,Atmel ARM) and TI (MSP430) MCPUs and peripheries. For our m Más

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Hello. My name is Vusi and I'm an Electronic Engineer, you can learn more about me from my website at [login to view URL] I can develop and test the code on a similar STM32 with an SD card module, which I've alrea Más

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