STM32 MCUs Embedded software

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

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HAL_UART_Transmit_DMA transmits data with delay

Hi,I have written an STM32 program that transmits data using HAL_UART_Transmit_DMA .However, for some reason, the first time I call this HAL function, Rx line only outputs 0s.The second message I'm sending actually sends the first message,The third m...

IKayk.1 by Associate II
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STM32L031, cannot connect to ROM bootloader

I'm trying to invoke the ROM bootloader from my application (for firmware upgrade over USART2). I understand that only Category 1 devices (STM32L011) can use the FLASH_OPTR bits to do this, so I'm trying to load SP from 0x1ff00000 and jump to the val...

Ethernet webserver how to generate static webpage?

hi i am using cubemx and generated an ethernet webserver project from example on nucleo f429i board it is working with default webserver page. However i need to use my own custom webpage , but do not know how to generate static webpage i followed som...

svii by Associate III
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Resolved! problem mapping NAND flash to PC through USB_MSC

I just made a FS_USB_MSC project and I wanted to access the flash from my windows computer.when I use RAM space for the STORAGE_Read_FS and STORAGE_Write_FS I can Access the RAM without any problem. and also I can format the space in windows to be ab...

MVV.1 by Associate II
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  • 9 replies
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Resolved! STM32L011f3p6 using UART RECEIVE IT mode with HAL.

Hi,I had worked with stm32f407 using HAL libraries earlier but it is different UART peripheral from F4 a bit. I  use again HAL_UART_Receive_IT() and HAL_UART_RxCpltCallback() for stm32L011 in the user file. I implemented the Callback function respec...

Resolved! STM32G0 UCPD DRP Availability

I am curious if the STM32G0x1 can manage a DRP and a UFP USB-C as a charge through application?The USBPDM1 doc mentions other IC's and possibly other breakout boards.Is there a timline on when the TCPP03-M20 and documentation will be available?Cheers...

IOTkid by Associate II
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  • 2 replies
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Resolved! Git Commit Hash flashed along with my code?

Howdy everyone.I need my MCU to be selfaware of what FW version is currently flashed,so far im just manually typing the git commit hash inside a const string every time i change the FW version.It looks to me like a feature that should be supported so...

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Javier1 by Principal
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  • 11 replies
  • 4 kudos