About barryccl

barryccl · 2024-07-22

I am using FW_F7_V1.17.2 on STM32Cube to configure USB HS Device as a CDC. We are running with FreeRTOS and FatFS on a custom PCB. The external Phy is a USB3300. I am using MDK 5 IDE.The STM32 is connected to a Windows 10 host, using a simple proto...

barryccl · 2024-09-25

In case anyone else has this problem, I think I found a fixThe option 'Enable Internal IP DMA' must be disabled. The problem is not to do with buffer alignment as I checked this, it seems to be a timing issue and may be specific to the use of FreeRT...

barryccl · 2024-08-14

Sorry I missed the DMA option - it is enabled.I have attached a log of the USB packets. This is an extract - you can see that the Windows app is sending packets of about 1kb on endpoint 1. After each block is sent, the app waits for the 5 byte resp...

barryccl · 2024-08-12

Hi @FBL I don't see DMA as an option in CubeMx - I guess it is mandatory for HS USB, but I believe I have word aligned buffers as I have replaced the auto-generated defs with:uint8_t __attribute__((aligned(4))) UserRxBufferHS[APP_RX_DATA_SIZE];uint8_...

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STM32F769 USB Device High Speed

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Re: STM32F769 USB Device High Speed

Re: STM32F769 USB Device High Speed