include: driver: usb: add check for endpoint capabilities (7c708604) · Commits · Wenxi XU / zephyr

Add API function to check capabilities of an endpoint. It should be used to check the capabilities of an endpoint before configuration. The driver should return 0 if the endpoint configuration is possible. Signed-off-by:

Johann Fischer <j.fischer@phytec.de>

include/drivers/usb/usb_dc.h

+15 −0

Original line number	Diff line number	Diff line
		@@ -141,6 +141,21 @@ int usb_dc_set_address(const u8_t addr);
		*/
		int usb_dc_set_status_callback(const usb_dc_status_callback cb);

		/**
		* @brief check endpoint capabilities
		*
		* Function to check capabilities of an endpoint. usb_dc_ep_cfg_data structure
		* provides the endpoint configuration parameters: endpoint address,
		* endpoint maximum packet size and endpoint type.
		* The driver should check endpoint capabilities and return 0 if the
		* endpoint configuration is possible.
		*
		* @param[in] cfg Endpoint config
		*
		* @return 0 on success, negative errno code on fail.
		*/
		int usb_dc_ep_check_cap(const struct usb_dc_ep_cfg_data * const cfg);

		/**
		* @brief configure endpoint
		*

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