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LeoG1 · 2023-08-02

Hi,It tooke me several days to found that there is wrong handling of setup packet with data in HAL driver.On windows I'm sending setup packet like this: uint32_t data = 0xAABBCCDD; libusb_control_transfer(mDeviceHandle, LIBUSB_ENDPOINT_OUT | LIBUSB_...

LeoG1 · 2023-08-02

Well.. indeed I'm talking about "vendor" requests. But USB supports such transfers and I was sure STM33 drivers do as well.I think this problem is part of more general one - to lack of support for custom "vendor" class in Cube. While STM32 is widely ...

LeoG1 · 2023-08-02

@waclawek.jan wrote:To put this into context: this is about the device-only USB found in the lower-end 'L4 (i.e. not the OTG USB in higher-end 'L4 and 'L4+).Can you please elaborate, what exactly is wrong with the code and what sequence of events (US...

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stm32l4xx_hal_pcd incorrect setup request handling

Re: stm32l4xx_hal_pcd incorrect setup request handling

Re: stm32l4xx_hal_pcd incorrect setup request handling