STM32 MCUs Embedded software

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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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Pulling BOOT0 Pin Down

Posted on March 26, 2018 at 06:30Hello,I was wondering if the resistor to pull down the BOOT0 pin is necessary for normal operation, assuming you want to boot from flash memory. I was trying to find on the datasheet (STM32F0 series) to try and find ...

Justin K. by Associate II
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STM32H7 Ethernet issue

Posted on March 23, 2018 at 13:47Hi,We are using STM32H7 controller instead of STM32F7 controller.How to set the Phy address and the AutoNegotiations enable while generating the code from the cube Mx.#ethernet #stm #stm32h7