STM32 MCUs Embedded software

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Need help with simple SPI 8 bit write driver

Hi everyone! I was hoping to get some help on a function I've made which is called by timer to write to a DAC which takes 24 bit bytes, which I send in 8 bit chunks. I wanted to make my own function because the HAL_SPI_Transmit is oretty overhead hea...

devinw by Associate II
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Bug STM32F427VGT6 SDIO 4bit mode doesn't work

STM32Cube FW_F4 V1.28STM32CubeMX 6.11.1file main.c line 209 function static void MX_SDIO_SD_Init(void)hsd.Init.BusWide = SDIO_BUS_WIDE_4B;fix hsd.Init.BusWide = SDIO_BUS_WIDE_1B;Related post.https://community.st.com/t5/stm32cubemx-mcus/sdio-interface...

vekli by Associate II
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Resolved! Usb video class in stm32h7.

I am using stm32h743 mcu and initialized cdc usb fs with cube mx for device only. After that i changed  descriptors of cdc with uvc descriptors now the device is recognized as usb composite device on device manager but i am not able to transmit any d...

saikumar by Associate III
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Hello, I have a setup with ThreadX, NetX Duo and USBX. Implementing an CDC-ECM over USB2.0. The throughput we measure is rather low (at least not as expected with an USB2.0 480MBit/s).

What options or tuning is possible to increase the throughput for this IP over USB?Goal is to at least transfer 64KiB each 20ms or better. (22MBit/s or greater)(started from project STM32H735G-DK/Applications/USBX/Ux_Device_CDC_ECM on github from Kin...

JCorn.3 by Associate
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Slow ethernet speed in STM32H7xx

Hi All,We are using the STM32H7 mcu interfaced with ethernet switch LAN9353.In our firmware application we are using the LwIP network stack and FreeRTOS. And using TCP server-client functionality for communication.We are able to establish the communi...

PNaph.2 by Associate II
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Undocumented Register Fields?

Hello!I suspect it has been already asked, but nevertheless:stm32f411xe.h: #define USB_OTG_DIEPMSK_TXFURM_Pos (8U) #define USB_OTG_DIEPMSK_TXFURM_Msk (0x1UL << USB_OTG_DIEPMSK_TXFURM_Pos) /*!< 0x00000100 */ #define USB_OTG...

Screenshot from 2024-06-27 19-59-24.png
MorganN by Associate
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