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SMunn · 2018-08-27

STM32F777 chip USB-OTG HS device..I need to intelligently use NAK handshakes to flow control data from the host side.I am using Custom HID as the initial framework, but modifying it for our purposes.

SMunn · 2018-08-27

Duhhh!!

SMunn · 2018-08-27

Never mind, I figured it out. It is actually simplicity itself.Until you invoke USBD_LL_PrepareReceive() all further incoming packets get NAKed.

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How can I flow control USB pipes using NAK? STM32F777 chip USB-OTG HS device.. I need to intelligently use NAK handshakes to flow control data from the host side.

Re: How can I flow control USB pipes using NAK? STM32F777 chip USB-OTG HS device.. I need to intelligently use NAK handshakes to flow control data from the host side.

Re: How can I flow control USB pipes using NAK? STM32F777 chip USB-OTG HS device.. I need to intelligently use NAK handshakes to flow control data from the host side.