STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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FATFS on SD-CARD writing problem

Posted on July 16, 2018 at 02:07I use STM32F427 with True Studio as my IDE.I need storing data on SD-CARD.I use FATFS as my File System.My problem is that most of the time the actual written data is not what is written - when trying to open the file...

Ofer by Associate III
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when I am sending data using USB, when the callback in my firmware gives me USB BUSY? i am using STM32F303VC discovery board ......USB code generated using STMCUBEMX

Posted on May 21, 2018 at 13:12when I am sending data using USB, when the callback in my firmware gives me USB BUSY?  i am using STM32F303VC discovery board ......USB code generated using STM32CubeMX.Once, I received USB Busy state, dynamically send...

cdc + hid composite

Posted on July 13, 2018 at 05:34I'm writing USB composite device CDC+HID(keyboard),but have some error(Unknow device descritor). I used USB FS Lib 4.0.0,and STM32 StdPeriph Lib V3.5.0 .Who has done the same procedure,can you give me a reference.Thin...