STM32 MCUs Embedded software

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STM32H7 LwIp Ethernet

Posted on July 03, 2018 at 17:08Hi everyone,I am new to programming Ethernet applications and wanted to start with just sending Ethernet frames with my stm32H7 Nucleo Board. The only Middleware I use is LwIP. My problem is, that the programm itself ...

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IEEE 802.1Q Queuing Frames

Posted on July 03, 2018 at 19:46I'm trying to implement the frames queuing mechanism defined in IEEE 802.1Q standard (section 8.6) on my STM32F7 Nucleo board. It's a well-known layer 2 mechanism that takes place at the outbound Ethernet port and all...

CDC_DATA_FS_MAX_PACKET_SIZE

Posted on July 02, 2018 at 15:32Hi,please help me to understand why when I increase the value of CDC_DATA_FS_MAX_PACKET_SIZE in usbd_cdc.h more than 128 usb communication and the PC both hang??please instruct me what to do to increase the usb receiv...

USB HS Data Out transfer with DMA

Posted on July 02, 2018 at 09:50Hi everyone ! I am currently trying to write a custom usb class driver to support a webcam. I am using the STM32F769 Discovery boark and the STM32CubeF7 firmware. After the first steps of enumeration and initialisatio...