STM32 MCUs Embedded software

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USB CDC enable dma, the enumeration will fail

I'm using STM32Cube_FW_H7_V1.3.0 library and using the STM32Cube_FW_H7_V1.3.0\Projects\STM32H743I_EVAL\Applications\USB_Device\CDC_Standalone example. I select the STM32H743I-EVAL_USBD-HS target. If I set the dma_enable to 0, everything will be ok. B...

sniu by Associate
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Resolved! STM32L4 USB wake up from Stop0/1

Hello,I am developing a USB HID application on STM32L443. The HID communication works in both directions when I put the controller in Sleep mode with WFI and Sleep on Exit. I am currently experimenting on the suspend/resume capability of the USB. I h...

Dim N by Associate II
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  • 3 replies
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Resolved! I2C interrupt not triggered

I'm running out of ideas, there is no interrupt triggered when sending data over I2C.Processor: STM32L451Middleware: FreeRTOSI2C interrupts are enabled in STMCubeMx, also pins are configured for I2C.Sending data with HAL_I2C_Master_Transmit_IT():CR1:...

stm32 tcp_echoclient example

Can you please explain the following steps in detail in the the tcp_echoclient example.       /* pass newly allocated es structure as argument to tpcb */       tcp_arg(tpcb, es);       /* initialize LwIP tcp_recv callback function */        tcp_recv...

KINGame by Associate III
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USB DFU Bootloader for STM32F730

Hello,I noticed that in AN3156 (USB DFU protocol used in the STM32 bootloader), STM32F730xx MCUs are not listed in the table of applicable products on the first page. Does the F730 really not come with a USB DFU bootloader? Or is this omission uninte...