C++ (Cpp) dwc3_ep0_std_request Exemples

Exemple #1

Fichier : ep0.c Projet : MikeForeskin/Vindicator-S6

static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
		const struct dwc3_event_depevt *event)
{
	struct usb_ctrlrequest *ctrl = dwc->ctrl_req;
	int ret = -EINVAL;
	u32 len;

	if (!dwc->gadget_driver)
		goto out;

	len = le16_to_cpu(ctrl->wLength);
	if (!len) {
		dwc->three_stage_setup = false;
		dwc->ep0_expect_in = false;
		dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS;
	} else {
		dwc->three_stage_setup = true;
		dwc->ep0_expect_in = !!(ctrl->bRequestType & USB_DIR_IN);
		dwc->ep0_next_event = DWC3_EP0_NRDY_DATA;
	}

	if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD)
		ret = dwc3_ep0_std_request(dwc, ctrl);
	else
		ret = dwc3_ep0_delegate_req(dwc, ctrl);

	if (ret == USB_GADGET_DELAYED_STATUS)
		dwc->delayed_status = true;

out:
	if (ret < 0)
		dwc3_ep0_stall_and_restart(dwc);
}

Exemple #2

static void dwc3_ep0_inspect_setup(struct dwc3 *dwc,
		const struct dwc3_event_depevt *event)
{
	struct usb_ctrlrequest *ctrl = dwc->ctrl_req;
	int ret;
	u32 len;

	if (!dwc->gadget_driver)
		goto err;

	len = le16_to_cpu(ctrl->wLength);
	if (!len) {
		dwc->ep0state = EP0_IN_WAIT_GADGET;
		dwc->three_stage_setup = 0;
	} else {
		dwc->three_stage_setup = 1;
		if (ctrl->bRequestType & USB_DIR_IN)
			dwc->ep0state = EP0_IN_DATA_PHASE;
		else
			dwc->ep0state = EP0_OUT_DATA_PHASE;
	}

	if ((ctrl->bRequestType & USB_TYPE_MASK) == USB_TYPE_STANDARD)
		ret = dwc3_ep0_std_request(dwc, ctrl);
	else
		ret = dwc3_ep0_delegate_req(dwc, ctrl);

	if (ret >= 0)
		return;

err:
	dwc3_ep0_stall_and_restart(dwc);
}