当前位置: 首页>>代码示例>>C++>>正文

C++ USB_GET_STATE函数代码示例

本文整理汇总了C++中USB_GET_STATE函数的典型用法代码示例。如果您正苦于以下问题：C++ USB_GET_STATE函数的具体用法？C++ USB_GET_STATE怎么用？C++ USB_GET_STATE使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了USB_GET_STATE函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: cdce_intr_write_callback

static void
cdce_intr_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
    int actlen;

    usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

    switch (USB_GET_STATE(xfer)) {
    case USB_ST_TRANSFERRED:

        DPRINTF("Transferred %d bytes\n", actlen);

    /* FALLTHROUGH */
    case USB_ST_SETUP:
tr_setup:
#if 0
        usbd_xfer_set_frame_len(xfer, 0, XXX);
        usbd_transfer_submit(xfer);
#endif
        break;

    default:			/* Error */
        if (error != USB_ERR_CANCELLED) {
            /* start clear stall */
            usbd_xfer_set_stall(xfer);
            goto tr_setup;
        }
        break;
    }
}
开发者ID:hlcherub，项目名称:src，代码行数:30，代码来源:if_cdce.c

示例2: uhid_write_callback

static void
uhid_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct uhid_softc *sc = usbd_xfer_softc(xfer);
	struct usb_device_request req;
	struct usb_page_cache *pc;
	uint32_t size = sc->sc_osize;
	uint32_t actlen;
	uint8_t id;

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
	case USB_ST_SETUP:
		/* try to extract the ID byte */
		if (sc->sc_oid) {
			pc = usbd_xfer_get_frame(xfer, 0);
			if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
			    0, 1, &actlen, 0)) {
				if (actlen != 1) {
					goto tr_error;
				}
				usbd_copy_out(pc, 0, &id, 1);

			} else {
				return;
			}
			if (size) {
				size--;
			}
		} else {
			id = 0;
		}

		pc = usbd_xfer_get_frame(xfer, 1);
		if (usb_fifo_get_data(sc->sc_fifo.fp[USB_FIFO_TX], pc,
		    0, UHID_BSIZE, &actlen, 1)) {
			if (actlen != size) {
				goto tr_error;
			}
			uhid_fill_set_report
			    (&req, sc->sc_iface_no,
			    UHID_OUTPUT_REPORT, id, size);

			pc = usbd_xfer_get_frame(xfer, 0);
			usbd_copy_in(pc, 0, &req, sizeof(req));

			usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
			usbd_xfer_set_frame_len(xfer, 1, size);
			usbd_xfer_set_frames(xfer, size ? 2 : 1);
			usbd_transfer_submit(xfer);
		}
		return;

	default:
tr_error:
		/* bomb out */
		usb_fifo_get_data_error(sc->sc_fifo.fp[USB_FIFO_TX]);
		return;
	}
}
开发者ID:vkhromov，项目名称:freebsd，代码行数:60，代码来源:uhid.c

示例3: usbd_do_request_callback

/*------------------------------------------------------------------------*
 *	usbd_do_request_callback
 *
 * This function is the USB callback for generic USB Host control
 * transfers.
 *------------------------------------------------------------------------*/
void
usbd_do_request_callback(struct usb_xfer *xfer, usb_error_t error)
{
	;				/* workaround for a bug in "indent" */

	DPRINTF("st=%u\n", USB_GET_STATE(xfer));

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_SETUP:
		usbd_transfer_submit(xfer);
		break;
	default:
		cv_signal(xfer->xroot->udev->default_cv);
		break;
	}
}
开发者ID:DangerDexter，项目名称:FreeBSD-8.0-dyntick，代码行数:22，代码来源:usb_request.c

示例4: cdce_intr_read_callback

static void
cdce_intr_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
    int actlen;

    usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

    switch (USB_GET_STATE(xfer)) {
    case USB_ST_TRANSFERRED:

        DPRINTF("Received %d bytes\n", actlen);

    /* TODO: decode some indications */

    /* FALLTHROUGH */
    case USB_ST_SETUP:
tr_setup:
        usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
        usbd_transfer_submit(xfer);
        break;

    default:			/* Error */
        if (error != USB_ERR_CANCELLED) {
            /* start clear stall */
            usbd_xfer_set_stall(xfer);
            goto tr_setup;
        }
        break;
    }
}
开发者ID:hlcherub，项目名称:src，代码行数:30，代码来源:if_cdce.c

示例5: g_modem_bulk_read_callback

static void
g_modem_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct g_modem_softc *sc = usbd_xfer_softc(xfer);
	int actlen;
	int aframes;

	usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);

	DPRINTF("st=%d aframes=%d actlen=%d bytes\n",
	    USB_GET_STATE(xfer), aframes, actlen);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:

		sc->sc_throughput += actlen;

		if (sc->sc_mode == G_MODEM_MODE_LOOP) {
			sc->sc_tx_busy = 1;
			sc->sc_data_len = actlen;
			usbd_transfer_start(sc->sc_xfer[G_MODEM_BULK_WR]);
			break;
		}

	case USB_ST_SETUP:
tr_setup:
		if ((sc->sc_mode == G_MODEM_MODE_SILENT) ||
		    (sc->sc_tx_busy != 0))
			break;

		usbd_xfer_set_frame_data(xfer, 0, sc->sc_data_buf, G_MODEM_BUFSIZE);
		usbd_xfer_set_frames(xfer, 1);
		usbd_transfer_submit(xfer);
		break;

	default:			/* Error */
		DPRINTF("error=%s\n", usbd_errstr(error));

		if (error != USB_ERR_CANCELLED) {
			/* try to clear stall first */
			usbd_xfer_set_stall(xfer);
			goto tr_setup;
		}
		break;
	}
}
开发者ID:kusumi，项目名称:DragonFlyBSD，代码行数:46，代码来源:g_modem.c

示例6: ugen_default_fs_callback

static void
ugen_default_fs_callback(struct usb_xfer *xfer, usb_error_t error)
{
	;				/* workaround for a bug in "indent" */

	DPRINTF("st=%u alen=%u aframes=%u\n",
	    USB_GET_STATE(xfer), xfer->actlen, xfer->aframes);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_SETUP:
		usbd_transfer_submit(xfer);
		break;
	default:
		ugen_fs_set_complete(xfer->priv_sc, USB_P2U(xfer->priv_fifo));
		break;
	}
}
开发者ID:DangerDexter，项目名称:FreeBSD-8.0-dyntick，代码行数:17，代码来源:usb_generic.c

示例7: usie_uc_status_callback

static void
usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct usb_page_cache *pc;
	struct {
		struct usb_device_request req;
		uint16_t param;
	}      st;
	uint32_t actlen;
	uint16_t param;

	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
		DPRINTFN(4, "info received, actlen=%u\n", actlen);

		if (actlen < sizeof(st)) {
			DPRINTF("data too short actlen=%u\n", actlen);
			goto tr_setup;
		}
		pc = usbd_xfer_get_frame(xfer, 0);
		usbd_copy_out(pc, 0, &st, sizeof(st));

		if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) {
			struct ucom_softc *ucom = usbd_xfer_softc(xfer);
			struct usie_softc *sc = ucom->sc_parent;

			param = le16toh(st.param);
			DPRINTF("param=%x\n", param);
			sc->sc_msr = sc->sc_lsr = 0;
			sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0;
			sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0;
			sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0;
			sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS;
			sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0;
			sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0;
		}
		/* fall though */
	case USB_ST_SETUP:
tr_setup:
		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
		usbd_transfer_submit(xfer);
		break;

	default:			/* Error */
		DPRINTF("USB transfer error, %s\n",
		    usbd_errstr(error));

		if (error != USB_ERR_CANCELLED) {
			usbd_xfer_set_stall(xfer);
			goto tr_setup;
		}
		break;
	}
}
开发者ID:alexandermerritt，项目名称:dragonfly，代码行数:56，代码来源:if_usie.c

示例8: cdce_ncm_bulk_write_callback

static void
cdce_ncm_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct cdce_softc *sc = usbd_xfer_softc(xfer);
	struct ifnet *ifp = uether_getifp(&sc->sc_ue);
	uint16_t x;
	uint8_t temp;
	int actlen;
	int aframes;

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:

		usbd_xfer_status(xfer, &actlen, NULL, &aframes, NULL);

		DPRINTFN(10, "transfer complete: "
		    "%u bytes in %u frames\n", actlen, aframes);

	case USB_ST_SETUP:
		for (x = 0; x != CDCE_NCM_TX_FRAMES_MAX; x++) {
			temp = cdce_ncm_fill_tx_frames(xfer, x);
			if (temp == 0)
				break;
			if (temp == 1) {
				x++;
				break;
			}
		}

		if (x != 0) {
#ifdef USB_DEBUG
			usbd_xfer_set_interval(xfer, cdce_tx_interval);
#endif
			usbd_xfer_set_frames(xfer, x);
			usbd_transfer_submit(xfer);
		}
		break;

	default:			/* Error */
		DPRINTFN(10, "Transfer error: %s\n",
		    usbd_errstr(error));

		/* update error counter */
		if_inc_counter(ifp, IFCOUNTER_OERRORS, 1);

		if (error != USB_ERR_CANCELLED) {
			if (usbd_get_mode(sc->sc_ue.ue_udev) == USB_MODE_HOST) {
				/* try to clear stall first */
				usbd_xfer_set_stall(xfer);
				usbd_xfer_set_frames(xfer, 0);
				usbd_transfer_submit(xfer);
			}
		}
		break;
	}
}
开发者ID:hbsciw，项目名称:freebsd，代码行数:56，代码来源:if_cdce.c

示例9: usie_uc_rx_callback

static void
usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct ucom_softc *ucom = usbd_xfer_softc(xfer);
	struct usie_softc *sc = ucom->sc_parent;
	struct usb_page_cache *pc;
	uint32_t actlen;

	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
		pc = usbd_xfer_get_frame(xfer, 0);

		/* handle CnS response */
		if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) {

			DPRINTF("transferred=%u\n", actlen);

			/* check if it is really CnS reply */
			usbd_copy_out(pc, 0, sc->sc_resp_temp, 1);

			if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) {

				/* verify actlen */
				if (actlen > USIE_BUFSIZE)
					actlen = USIE_BUFSIZE;

				/* get complete message */
				usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen);
				usie_hip_rsp(sc, sc->sc_resp_temp, actlen);

				/* need to fall though */
				goto tr_setup;
			}
			/* else call ucom_put_data() */
		}
		/* standard ucom transfer */
		ucom_put_data(ucom, pc, 0, actlen);

		/* fall though */
	case USB_ST_SETUP:
tr_setup:
		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
		usbd_transfer_submit(xfer);
		break;

	default:			/* Error */
		if (error != USB_ERR_CANCELLED) {
			usbd_xfer_set_stall(xfer);
			goto tr_setup;
		}
		break;
	}
}
开发者ID:alexandermerritt，项目名称:dragonfly，代码行数:55，代码来源:if_usie.c

示例10: usb_handle_request_callback

/*------------------------------------------------------------------------*
 *	usb_handle_request_callback
 *
 * This function is the USB callback for generic USB Device control
 * transfers.
 *------------------------------------------------------------------------*/
void
usb_handle_request_callback(struct usb_xfer *xfer, usb_error_t error)
{
	usb_error_t err;

	/* check the current transfer state */

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_SETUP:
	case USB_ST_TRANSFERRED:

		/* handle the request */
		err = usb_handle_request(xfer);

		if (err) {

			if (err == USB_ERR_BAD_CONTEXT) {
				/* we need to re-setup the control transfer */
				usb_needs_explore(xfer->xroot->bus, 0);
				break;
			}
			goto tr_restart;
		}
		usbd_transfer_submit(xfer);
		break;

	default:
		/* check if a control transfer is active */
		if (xfer->flags_int.control_rem != 0xFFFF) {
			/* handle the request */
			err = usb_handle_request(xfer);
		}
		if (xfer->error != USB_ERR_CANCELLED) {
			/* should not happen - try stalling */
			goto tr_restart;
		}
		break;
	}
	return;

tr_restart:
	/*
	 * If a control transfer is active, stall it, and wait for the
	 * next control transfer.
	 */
	usbd_xfer_set_frame_len(xfer, 0, sizeof(struct usb_device_request));
	xfer->nframes = 1;
	xfer->flags.manual_status = 1;
	xfer->flags.force_short_xfer = 0;
	usbd_xfer_set_stall(xfer);	/* cancel previous transfer, if any */
	usbd_transfer_submit(xfer);
}
开发者ID:BlueFireworks，项目名称:rtems-libbsd，代码行数:58，代码来源:usb_handle_request.c

示例11: uhso_ifnet_read_callback

static void
uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct uhso_softc *sc = usbd_xfer_softc(xfer);
	struct mbuf *m;	
	struct usb_page_cache *pc;
	int actlen;

	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

	UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
		if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) {
			pc = usbd_xfer_get_frame(xfer, 0);
			m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
			usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen);
			m->m_pkthdr.len = m->m_len = actlen;
			/* Enqueue frame for further processing */
			_IF_ENQUEUE(&sc->sc_rxq, m);
			if (!callout_pending(&sc->sc_c) ||
			    !callout_active(&sc->sc_c)) {
				callout_schedule(&sc->sc_c, 1);
			}
		}
	/* FALLTHROUGH */
	case USB_ST_SETUP:
tr_setup:
		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
		usbd_transfer_submit(xfer);
		break;
	default:
		UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error));
		if (error == USB_ERR_CANCELLED)
			break;
		usbd_xfer_set_stall(xfer);
		goto tr_setup;
	}
开发者ID:vkhromov，项目名称:freebsd，代码行数:39，代码来源:uhso.c

示例12: ugen_default_read_callback

static void
ugen_default_read_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct usb_fifo *f = usbd_xfer_softc(xfer);
	struct usb_mbuf *m;

	DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
		if (xfer->actlen == 0) {
			if (f->fifo_zlp != 4) {
				f->fifo_zlp++;
			} else {
				/*
				 * Throttle a little bit we have multiple ZLPs
				 * in a row!
				 */
				xfer->interval = 64;	/* ms */
			}
		} else {
			/* clear throttle */
			xfer->interval = 0;
			f->fifo_zlp = 0;
		}
		usb_fifo_put_data(f, xfer->frbuffers, 0,
		    xfer->actlen, 1);

	case USB_ST_SETUP:
		if (f->flag_stall) {
			usbd_transfer_start(f->xfer[1]);
			break;
		}
		USB_IF_POLL(&f->free_q, m);
		if (m) {
			usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
			usbd_transfer_submit(xfer);
		}
		break;

	default:			/* Error */
		if (xfer->error != USB_ERR_CANCELLED) {
			/* send a zero length packet to userland */
			usb_fifo_put_data(f, xfer->frbuffers, 0, 0, 1);
			f->flag_stall = 1;
			f->fifo_zlp = 0;
			usbd_transfer_start(f->xfer[1]);
		}
		break;
	}
}
开发者ID:DangerDexter，项目名称:FreeBSD-8.0-dyntick，代码行数:51，代码来源:usb_generic.c

示例13: usie_if_status_callback

static void
usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct usie_softc *sc = usbd_xfer_softc(xfer);
	struct usb_page_cache *pc;
	struct usb_cdc_notification cdc;
	uint32_t actlen;

	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
		DPRINTFN(4, "info received, actlen=%d\n", actlen);

		/* usb_cdc_notification - .data[16] */
		if (actlen < (sizeof(cdc) - 16)) {
			DPRINTF("data too short %d\n", actlen);
			goto tr_setup;
		}
		pc = usbd_xfer_get_frame(xfer, 0);
		usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16));

		DPRINTFN(4, "bNotification=%x\n", cdc.bNotification);

		if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) {
			taskqueue_enqueue(taskqueue_thread,
			    &sc->sc_if_status_task);
		}
		/* fall though */
	case USB_ST_SETUP:
tr_setup:
		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
		usbd_transfer_submit(xfer);
		break;

	default:			/* Error */
		DPRINTF("USB transfer error, %s\n",
		    usbd_errstr(error));

		if (error != USB_ERR_CANCELLED) {
			usbd_xfer_set_stall(xfer);
			goto tr_setup;
		}
		break;
	}
}
开发者ID:alexandermerritt，项目名称:dragonfly，代码行数:46，代码来源:if_usie.c

示例14: ugen_isoc_write_callback

static void
ugen_isoc_write_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct usb_fifo *f = usbd_xfer_softc(xfer);
	usb_frlength_t actlen;
	usb_frlength_t offset;
	usb_frcount_t n;

	DPRINTFN(4, "actlen=%u, aframes=%u\n", xfer->actlen, xfer->aframes);

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
	case USB_ST_SETUP:
tr_setup:
		offset = 0;
		for (n = 0; n != xfer->nframes; n++) {
			if (usb_fifo_get_data(f, xfer->frbuffers, offset,
			    xfer->max_frame_size, &actlen, 1)) {
				usbd_xfer_set_frame_len(xfer, n, actlen);
				offset += actlen;
			} else {
				break;
			}
		}

		for (; n != xfer->nframes; n++) {
			/* fill in zero frames */
			usbd_xfer_set_frame_len(xfer, n, 0);
		}
		usbd_transfer_submit(xfer);
		break;

	default:			/* Error */
		if (xfer->error == USB_ERR_CANCELLED) {
			break;
		}
		goto tr_setup;
	}
}
开发者ID:DangerDexter，项目名称:FreeBSD-8.0-dyntick，代码行数:39，代码来源:usb_generic.c

示例15: usie_uc_tx_callback

static void
usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error)
{
	struct ucom_softc *ucom = usbd_xfer_softc(xfer);
	struct usb_page_cache *pc;
	uint32_t actlen;

	switch (USB_GET_STATE(xfer)) {
	case USB_ST_TRANSFERRED:
	case USB_ST_SETUP:
tr_setup:
		pc = usbd_xfer_get_frame(xfer, 0);

		/* handle CnS request */
		struct mbuf *m = usbd_xfer_get_priv(xfer);

		if (m != NULL) {
			usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len);
			usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len);
			usbd_xfer_set_priv(xfer, NULL);
			usbd_transfer_submit(xfer);
			m_freem(m);
			break;
		}
		/* standard ucom transfer */
		if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) {
			usbd_xfer_set_frame_len(xfer, 0, actlen);
			usbd_transfer_submit(xfer);
		}
		break;

	default:			/* Error */
		if (error != USB_ERR_CANCELLED) {
			usbd_xfer_set_stall(xfer);
			goto tr_setup;
		}
		break;
	}
}
开发者ID:alexandermerritt，项目名称:dragonfly，代码行数:39，代码来源:if_usie.c


注：本文中的USB_GET_STATE函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。