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032af9d512
The RM says we have to process STUP (and therefore clear CNAK to start the data stage) in the DOEPINT STUP interrupt. Seems doing it in RXFLVL when we receive the data is too early. This makes it work consistently on all chips, so the quirk is no longer needed. Fixes #3493 Fixes #3459
Embassy USB driver for the Synopsys USB OTG core
This crate implements embassy-usb-driver for Synopsys USB OTG devices.
It contains the "core" of the driver that is common across all chips using the Synopsys OTG IP, but it doesn't contain chip-specific initialization such as clock setup and GPIO muxing. You most likely don't want to use this crate directly, but use it through a HAL that does the initialization for you.
List of HALs integrating this driver:
embassy-stm32, for STMicroelectronics STM32 chips.esp-hal, for Espressif ESP32 chips.
If you wish to integrate this crate into your device's HAL, you will need to add the device-specific initialization. See the above crates for examples on how to do it.