STM32 MCUs Embedded software

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STM32H7 - USBX RNDIS - USBD_RNDIS_EPINCMD_ADDR

Hello,  I'm using STM32CubeIDE 2.0.0 + STM32CubeMX 6.16.1 + FW_H7 V1.12.1 I have a problem with USBX RNDIS.The generated code on file ux_device_descriptor.h  at line 308 is: #define USBD_RNDIS_EPINCMD_ADDR 0x81U In the exemple code of STM32H735-DK fi...

Dams by Associate III
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  • 4 replies
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FileX on QSPI files are not kept after reset

Hi,I’m working with a custom PCB based on an STM32H743BI and an external MT25TL01G memory device.To manage the data I’m using FileX + LevelX. I’m able to create the media, create directories, create files, write to them, and read them without issues....

Ethernet DMA error - how to handle it?

Hello!I am writing a program for STM32F769I-DISCO board that uses FreeRTOS and LwIP to communicate with the server and send data to it. It generally works, but unplugging and plugging Ethernet cable (especially doing it several times within a few sec...

Ethernet DMASR register.png heth error code.png MPU and Ethernet descriptors.png
_AdamNtrx by Associate III
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  • 13 replies
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STM32H723VGTx DMA TX reboot use fail

Cube setting is OK!First run OK!if(HAL_OK != HAL_UART_Transmit(CO_INFO.channel, co_dma_tx_data, send_len, 0xFFFF))    {        DEBUG_PRINT("CO MODULE SEND DATA ERROR!!\r\n");    } Then setting OK!if(HAL_OK==HAL_UART_AbortReceive(CO_INFO.channel))if(H...