STM32 MCUs Embedded software

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

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Forum Posts

Regarding USB Packet Size changes

Hello there, I'm using USB CDC application. I'm in a situation of receiving more than 250 bytes of data from the Windows(QT). Now my doubt is when the data is more than 64 bytes the USB FS it'll not consider right.But i revised some websites from the...

bsn_14 by Associate II
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Resolved! STM32L152 UART code missing in driver

Good Day,Recently I started working with a new MCU (STM32L152). I ported some UART code to handle received data from a different MCU, which worked fine. But as soon as I started testing edge cases I saw some weird things happen. I am using the DMA on...

Resolved! RS485 DE enable

Hi,I am implementing RS-485 communication on the STM32G491. Based on available references, I’m currently using a custom GPIO pin for the DE (Driver Enable) signal, since the default USART1_DE pin is already allocated for another function. In the RS-4...

Resolved! STM32N657X0 with Classic USB device middleware

I am trying to add the NUCLEO-N657X0-Q (MB194-N657X0Q-C01) to the IMBootloader project, which currently uses the Legacy Classic USB device middleware. I ran into a problem where, after calling the HAL_PCD_Start() function, I receive an unexpected int...

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