STM32 MCUs Embedded software

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

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USB Device MSC SD Card Interface troubleshoot

Posted on March 26, 2018 at 14:33Hi,I have STM32L4 based board NUCLEO-L476RGI have initialised it USB Device Only Mode with Mass Storage Class IP and a microSD Card interfaced on SDIO (1-bit) and from CubeMX.I am using MSI RC at 48MHz to clock USB.S...

STM32F429I-DISC1 Unable to get it in DFU Mode

Posted on April 02, 2018 at 06:52I recently received the STM32F429I-DISC1, and am trying to get it in DFU mode, and can not no matter what i try. I have attempted to connect, BOOT1, BOOT0 with no success. I am able to use the ST Link and program the...

jump to internal boot loader from user application

Posted on June 12, 2015 at 15:59I want to develop product using stm32f030cc controller.for that product i want to develop boot loader which can jump to internal boot loader in system memory with out altering boot pin.right now my board is not ready ...

karan by Associate III
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USB OTG FS in stm32f4 not detected by PC

Posted on September 28, 2017 at 08:36I have designed a custom board with stm32f407 mcu and included USB OTG FS functionality in it. For USB OTG I have followed similar schematic like the one shown for stm32f407 discovery board. I downloaded a firmwa...

RF switching on STM32L4XX

Posted on April 02, 2018 at 08:01Hi I want to communicate between two STM32L4 MCU, and interfaced RF on to UARTs.UART1 -- BLEUART2 -- XBEEI want to make a transparent, i mean when there is NO BLE there should be a switch to XBee and the other MCU ha...

Getting DMA USART to work on STM32L053R8T6

Posted on April 01, 2018 at 16:23Hi there STM community. I am having an issue in getting my computer (virtual COM port, to be exact) to communicate with my STM32L053R8T6 board by DMA and USART. Here is my code for the DMA and USART part:&sharpinclud...

Composite USB device CDCs STM32F105

Posted on December 20, 2017 at 11:07Hi,I'm working with a STM32F105 board with USB, UART and  CAN ports. I wish  when I connect the board with a computer through USB, multiple VCP are detected.What I understand is that each interface in a USB compos...

FreeRTOS: prvProcessExpiredTimer BUG

Posted on March 29, 2018 at 10:39Hello there,Firmware Package for Family STM32L4: 1.10.0When using FreeRTOS timers, there is a bug in function prvProcessExpiredTimer (Middlewares/Third_Party/FreeRTOS/Source/timers.c, line 498). The last operation be...

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