STM32 MCUs Embedded software

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

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SDRAM on the STM32F429I-DISC

Hi,I want to fly the STM32F429I-DISC with the 8 MB SDRAM. I use CubeIDE and selected the right board. All units are set to default. I commented out everything that had to do with os.With help of ChatGPT I hacked together an initialization of the SDRA...

DetlefS by Senior
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  • 2 replies
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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...