STM32 MCUs Embedded software

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

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Enabling Icache corrupt USB FS VCOM Port data?

I am using STM32H743 with USB in FS mode as a VCOM port,I send periodically a set of 1024 values , each is represented in 4 character + space between each value and the next.Each set start with string header and ends with new line.I send this data 19...

HAlzo by Senior
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USB DEVICE Audio generated code MX vs UAC1 extension code. Where found Appnote or an step by step ? Why 24bit dont works when user config changed?

I generate CubeMX project with selected USB FS DEVICE Audio part of IF code/** @defgroup USBD_AUDIO_IF_Private_FunctionPrototypes USBD_AUDIO_IF_Private_FunctionPrototypes * @brief Private functions declaration. * @{ */   static int8_t AUDIO_Ini...

MM..1 by Chief III
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Hi, I am trying to communicate Uart in interrupt mode.We are able to successfully transmit & receive data to PC (through USB-UART).But when we connect to UART based modem then we are getting HAL_UART_ErrorCallback & transmission is failing. Pls help us.

This error callback function is not getting called when we connect to PC. But we are getting during modem (UART based)communication only. Whats purpose of this callback ? Is there any configuration need to add ?

PBira.1 by Associate II
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STM32L4R9I Fast Program issue

I referenced the example from STM32CubeL4-master and run the Flash_FastProgram example, but when I execute to this line *dest_addr = *src_addr in FLASH_Program_Fast(uint32_t Address, uint32_t DataAddress), it will go to HardFault Handler, have any id...

YNeng.1 by Associate
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SDCARD +DMA Writing issue

HiI have setup SDMMC1 over DMA2 channel 14 (Tx) and having issue in writing more frequent data. I have interrupt on system tick (pend sv) 1ms. When I write every 10ms 128 Bytes, it gives me ring buffer overflow error. That means it stuck somewhere on...

APate.8 by Associate II
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