C++ ACM_READY函数代码示例

本文整理汇总了C++中ACM_READY函数的典型用法代码示例。如果您正苦于以下问题：C++ ACM_READY函数的具体用法？C++ ACM_READY怎么用？C++ ACM_READY使用的例子？那么恭喜您, 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ACM_READY函数的10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: acm_softint

static void acm_softint(struct work_struct *work)
{
	struct acm *acm = container_of(work, struct acm, work);
	struct tty_struct *tty;

	dev_vdbg(&acm->data->dev, "%s\n", __func__);

	if (!ACM_READY(acm))
		return;
	tty = tty_port_tty_get(&acm->port);
	if (!tty)
		return;
	tty_wakeup(tty);
	tty_kref_put(tty);
}

开发者ID:schidler，项目名称:flyzjhz-rt-n56u，代码行数:15，代码来源:cdc-acm.c

示例2: acm_ctrl_irq

static void acm_ctrl_irq(struct urb *urb)
{
	struct acm *acm = urb->context;
	devrequest *dr = urb->transfer_buffer;
	unsigned char *data = (unsigned char *)(dr + 1);
	int newctrl;

	if (!ACM_READY(acm)) return;

	if (urb->status < 0) {
		dbg("nonzero ctrl irq status received: %d", urb->status);
		return;
	}

	switch (dr->request) {

		case ACM_IRQ_NETWORK:

			dbg("%s network", data[0] ? "connected to" : "disconnected from");
			return;

		case ACM_IRQ_LINE_STATE:

			newctrl = le16_to_cpup((__u16 *) data);

			if (acm->tty && !acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
				dbg("calling hangup");
				tty_hangup(acm->tty);
			}

			acm->ctrlin = newctrl;

			dbg("input control lines: dcd%c dsr%c break%c ring%c framing%c parity%c overrun%c",
				acm->ctrlin & ACM_CTRL_DCD ? '+' : '-',	acm->ctrlin & ACM_CTRL_DSR ? '+' : '-',
				acm->ctrlin & ACM_CTRL_BRK ? '+' : '-',	acm->ctrlin & ACM_CTRL_RI  ? '+' : '-',
				acm->ctrlin & ACM_CTRL_FRAMING ? '+' : '-',	acm->ctrlin & ACM_CTRL_PARITY ? '+' : '-',
				acm->ctrlin & ACM_CTRL_OVERRUN ? '+' : '-');

			return;

		default:
			dbg("unknown control event received: request %d index %d len %d data0 %d data1 %d",
				dr->request, dr->index, dr->length, data[0], data[1]);
			return;
	}
}

开发者ID:liexusong，项目名称:Linux-2.4.16，代码行数:46，代码来源:acm.c

示例3: acm_tty_tiocmset

static int acm_tty_tiocmset(struct tty_struct *tty, struct file *file,
			    unsigned int set, unsigned int clear)
{
	struct acm *acm = tty->driver_data;
	unsigned int newctrl;

	if (!ACM_READY(acm))
		return -EINVAL;

	newctrl = acm->ctrlout;
	set = (set & TIOCM_DTR ? ACM_CTRL_DTR : 0) | (set & TIOCM_RTS ? ACM_CTRL_RTS : 0);
	clear = (clear & TIOCM_DTR ? ACM_CTRL_DTR : 0) | (clear & TIOCM_RTS ? ACM_CTRL_RTS : 0);

	newctrl = (newctrl & ~clear) | set;

	if (acm->ctrlout == newctrl)
		return 0;
	return acm_set_control(acm, acm->ctrlout = newctrl);
}

开发者ID:IgnasD，项目名称:Tomato-RAF，代码行数:19，代码来源:cdc-acm.c

示例4: acm_read_bulk

/* data interface returns incoming bytes, or we got unthrottled */
static void acm_read_bulk(struct urb *urb)
{
	struct acm_rb *buf;
	struct acm_ru *rcv = urb->context;
	struct acm *acm = rcv->instance;
	int status = urb->status;

	dbg("Entering acm_read_bulk with status %d", status);

	if (!ACM_READY(acm)) {
		dev_dbg(&acm->data->dev, "Aborting, acm not ready");
		return;
	}
	usb_mark_last_busy(acm->dev);

	if (status)
		dev_dbg(&acm->data->dev, "bulk rx status %d\n", status);

	buf = rcv->buffer;
	buf->size = urb->actual_length;

	if (likely(status == 0)) {
		spin_lock(&acm->read_lock);
		acm->processing++;
		list_add_tail(&rcv->list, &acm->spare_read_urbs);
		list_add_tail(&buf->list, &acm->filled_read_bufs);
		spin_unlock(&acm->read_lock);
	} else {
		/* we drop the buffer due to an error */
		spin_lock(&acm->read_lock);
		list_add_tail(&rcv->list, &acm->spare_read_urbs);
		list_add(&buf->list, &acm->spare_read_bufs);
		spin_unlock(&acm->read_lock);
		/* nevertheless the tasklet must be kicked unconditionally
		so the queue cannot dry up */
	}
	if (likely(!acm->susp_count))
		tasklet_schedule(&acm->urb_task);
}

开发者ID:IgnasD，项目名称:Tomato-RAF，代码行数:40，代码来源:cdc-acm.c

示例5: acm_read_bulk

/* data interface returns incoming bytes, or we got unthrottled */
static void acm_read_bulk(struct urb *urb, struct pt_regs *regs)
{
	struct acm_rb *buf;
	struct acm_ru *rcv = urb->context;
	struct acm *acm = rcv->instance;
	dbg("Entering acm_read_bulk with status %d\n", urb->status);

	if (!ACM_READY(acm))
		return;

	if (urb->status)
		dev_dbg(&acm->data->dev, "bulk rx status %d\n", urb->status);

	buf = rcv->buffer;
	buf->size = urb->actual_length;

	spin_lock(&acm->read_lock);
	list_add_tail(&rcv->list, &acm->spare_read_urbs);
	list_add_tail(&buf->list, &acm->filled_read_bufs);
	spin_unlock(&acm->read_lock);

	tasklet_schedule(&acm->urb_task);
}

开发者ID:BackupTheBerlios，项目名称:arp2-svn，代码行数:24，代码来源:cdc-acm.c

示例6: acm_read_bulk

static void acm_read_bulk(struct urb *urb)
{
	struct acm *acm = urb->context;
	struct tty_struct *tty = acm->tty;
	unsigned char *data = urb->transfer_buffer;
	int i = 0;

	if (!ACM_READY(acm)) return;

	if (urb->status)
		dbg("nonzero read bulk status received: %d", urb->status);

	if (!urb->status & !acm->throttle)  {
		for (i = 0; i < urb->actual_length && !acm->throttle; i++) {
			/* if we insert more than TTY_FLIPBUF_SIZE characters,
			 * we drop them. */
			if (tty->flip.count >= TTY_FLIPBUF_SIZE) {
				tty_flip_buffer_push(tty);
			}
			tty_insert_flip_char(tty, data[i], 0);
		}
		tty_flip_buffer_push(tty);
	}

	if (acm->throttle) {
		memmove(data, data + i, urb->actual_length - i);
		urb->actual_length -= i;
		return;
	}

	urb->actual_length = 0;
	urb->dev = acm->dev;

	if (usb_submit_urb(urb))
		dbg("failed resubmitting read urb");
}

开发者ID:liexusong，项目名称:Linux-2.4.16，代码行数:36，代码来源:acm.c

示例7: acm_rx_tasklet

static void acm_rx_tasklet(unsigned long _acm)
{
	struct acm *acm = (void *)_acm;
	struct acm_rb *buf;
	struct tty_struct *tty = acm->tty;
	struct acm_ru *rcv;
	unsigned long flags;
	unsigned char throttled;

	dbg("Entering acm_rx_tasklet");

	if (!ACM_READY(acm))
	{
		dbg("acm_rx_tasklet: ACM not ready");
		return;
	}

	spin_lock_irqsave(&acm->throttle_lock, flags);
	throttled = acm->throttle;
	spin_unlock_irqrestore(&acm->throttle_lock, flags);
	if (throttled)
	{
		dbg("acm_rx_tasklet: throttled");
		return;
	}

next_buffer:
	spin_lock_irqsave(&acm->read_lock, flags);
	if (list_empty(&acm->filled_read_bufs)) {
		spin_unlock_irqrestore(&acm->read_lock, flags);
		goto urbs;
	}
	buf = list_entry(acm->filled_read_bufs.next,
			 struct acm_rb, list);
	list_del(&buf->list);
	spin_unlock_irqrestore(&acm->read_lock, flags);

	dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d", buf, buf->size);

	tty_buffer_request_room(tty, buf->size);
	spin_lock_irqsave(&acm->throttle_lock, flags);
	throttled = acm->throttle;
	spin_unlock_irqrestore(&acm->throttle_lock, flags);
	if (!throttled)
		tty_insert_flip_string(tty, buf->base, buf->size);
	tty_flip_buffer_push(tty);

	if (throttled) {
		dbg("Throttling noticed");
		spin_lock_irqsave(&acm->read_lock, flags);
		list_add(&buf->list, &acm->filled_read_bufs);
		spin_unlock_irqrestore(&acm->read_lock, flags);
		return;
	}

	spin_lock_irqsave(&acm->read_lock, flags);
	list_add(&buf->list, &acm->spare_read_bufs);
	spin_unlock_irqrestore(&acm->read_lock, flags);
	goto next_buffer;

urbs:
	while (!list_empty(&acm->spare_read_bufs)) {
		spin_lock_irqsave(&acm->read_lock, flags);
		if (list_empty(&acm->spare_read_urbs)) {
			acm->processing = 0;
			spin_unlock_irqrestore(&acm->read_lock, flags);
			return;
		}
		rcv = list_entry(acm->spare_read_urbs.next,
				 struct acm_ru, list);
		list_del(&rcv->list);
		spin_unlock_irqrestore(&acm->read_lock, flags);

		buf = list_entry(acm->spare_read_bufs.next,
				 struct acm_rb, list);
		list_del(&buf->list);

		rcv->buffer = buf;

		usb_fill_bulk_urb(rcv->urb, acm->dev,
				  acm->rx_endpoint,
				  buf->base,
				  acm->readsize,
				  acm_read_bulk, rcv);
		rcv->urb->transfer_dma = buf->dma;
		rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

		/* This shouldn't kill the driver as unsuccessful URBs are returned to the
		   free-urbs-pool and resubmited ASAP */
		spin_lock_irqsave(&acm->read_lock, flags);
		if (acm->susp_count || usb_submit_urb(rcv->urb, GFP_ATOMIC) < 0) {
			list_add(&buf->list, &acm->spare_read_bufs);
			list_add(&rcv->list, &acm->spare_read_urbs);
			acm->processing = 0;
			spin_unlock_irqrestore(&acm->read_lock, flags);
			return;
		} else {
			spin_unlock_irqrestore(&acm->read_lock, flags);
			dbg("acm_rx_tasklet: sending urb 0x%p, rcv 0x%p, buf 0x%p", rcv->urb, rcv, buf);
		}
//.........这里部分代码省略.........

开发者ID:IgnasD，项目名称:Tomato-RAF，代码行数:101，代码来源:cdc-acm.c

示例8: acm_ctrl_irq

/* control interface reports status changes with "interrupt" transfers */
static void acm_ctrl_irq(struct urb *urb)
{
	struct acm *acm = urb->context;
	struct usb_cdc_notification *dr = urb->transfer_buffer;
	unsigned char *data;
	int newctrl;
	int retval;
	int status = urb->status;

	switch (status) {
	case 0:
		/* success */
		break;
	case -ECONNRESET:
	case -ENOENT:
	case -ESHUTDOWN:
		/* this urb is terminated, clean up */
		dbg("%s - urb shutting down with status: %d", __FUNCTION__, status);
		return;
	default:
		dbg("%s - nonzero urb status received: %d", __FUNCTION__, status);
		goto exit;
	}

	if (!ACM_READY(acm))
		goto exit;

	data = (unsigned char *)(dr + 1);
	switch (dr->bNotificationType) {

		case USB_CDC_NOTIFY_NETWORK_CONNECTION:

			dbg("%s network", dr->wValue ? "connected to" : "disconnected from");
			break;

		case USB_CDC_NOTIFY_SERIAL_STATE:

			newctrl = le16_to_cpu(get_unaligned((__le16 *) data));

			if (acm->tty && !acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
				dbg("calling hangup");
				tty_hangup(acm->tty);
			}

			acm->ctrlin = newctrl;

			dbg("input control lines: dcd%c dsr%c break%c ring%c framing%c parity%c overrun%c",
				acm->ctrlin & ACM_CTRL_DCD ? '+' : '-',	acm->ctrlin & ACM_CTRL_DSR ? '+' : '-',
				acm->ctrlin & ACM_CTRL_BRK ? '+' : '-',	acm->ctrlin & ACM_CTRL_RI  ? '+' : '-',
				acm->ctrlin & ACM_CTRL_FRAMING ? '+' : '-',	acm->ctrlin & ACM_CTRL_PARITY ? '+' : '-',
				acm->ctrlin & ACM_CTRL_OVERRUN ? '+' : '-');

			break;

		default:
			dbg("unknown notification %d received: index %d len %d data0 %d data1 %d",
				dr->bNotificationType, dr->wIndex,
				dr->wLength, data[0], data[1]);
			break;
	}
exit:
	usb_mark_last_busy(acm->dev);
	retval = usb_submit_urb (urb, GFP_ATOMIC);
	if (retval)
		err ("%s - usb_submit_urb failed with result %d",
		     __FUNCTION__, retval);
}

开发者ID:IgnasD，项目名称:Tomato-RAF，代码行数:68，代码来源:cdc-acm.c

示例9: acm_rx_tasklet

static void acm_rx_tasklet(unsigned long _acm)
{
	struct acm *acm = (void *)_acm;
	struct acm_rb *buf;
	struct tty_struct *tty = acm->tty;
	struct acm_ru *rcv;
	//unsigned long flags;
	int i = 0;
	dbg("Entering acm_rx_tasklet");

	if (!ACM_READY(acm) || acm->throttle)
		return;

next_buffer:
	spin_lock(&acm->read_lock);
	if (list_empty(&acm->filled_read_bufs)) {
		spin_unlock(&acm->read_lock);
		goto urbs;
	}
	buf = list_entry(acm->filled_read_bufs.next,
			 struct acm_rb, list);
	list_del(&buf->list);
	spin_unlock(&acm->read_lock);

	dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d\n", buf, buf->size);

	tty_buffer_request_room(tty, buf->size);
	if (!acm->throttle)
		tty_insert_flip_string(tty, buf->base, buf->size);
	tty_flip_buffer_push(tty);

	spin_lock(&acm->throttle_lock);
	if (acm->throttle) {
		dbg("Throtteling noticed");
		memmove(buf->base, buf->base + i, buf->size - i);
		buf->size -= i;
		spin_unlock(&acm->throttle_lock);
		spin_lock(&acm->read_lock);
		list_add(&buf->list, &acm->filled_read_bufs);
		spin_unlock(&acm->read_lock);
		return;
	}
	spin_unlock(&acm->throttle_lock);

	spin_lock(&acm->read_lock);
	list_add(&buf->list, &acm->spare_read_bufs);
	spin_unlock(&acm->read_lock);
	goto next_buffer;

urbs:
	while (!list_empty(&acm->spare_read_bufs)) {
		spin_lock(&acm->read_lock);
		if (list_empty(&acm->spare_read_urbs)) {
			spin_unlock(&acm->read_lock);
			return;
		}
		rcv = list_entry(acm->spare_read_urbs.next,
				 struct acm_ru, list);
		list_del(&rcv->list);
		spin_unlock(&acm->read_lock);

		buf = list_entry(acm->spare_read_bufs.next,
				 struct acm_rb, list);
		list_del(&buf->list);

		rcv->buffer = buf;

		usb_fill_bulk_urb(rcv->urb, acm->dev,
				  acm->rx_endpoint,
				  buf->base,
				  acm->readsize,
				  acm_read_bulk, rcv);
		rcv->urb->transfer_dma = buf->dma;
		rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

		dbg("acm_rx_tasklet: sending urb 0x%p, rcv 0x%p, buf 0x%p\n", rcv->urb, rcv, buf);

		/* This shouldn't kill the driver as unsuccessful URBs are returned to the
		   free-urbs-pool and resubmited ASAP */
		if (usb_submit_urb(rcv->urb, GFP_ATOMIC) < 0) {
			list_add(&buf->list, &acm->spare_read_bufs);
			spin_lock(&acm->read_lock);
			list_add(&rcv->list, &acm->spare_read_urbs);
			spin_unlock(&acm->read_lock);
			return;
		}
	}
}

开发者ID:BackupTheBerlios，项目名称:arp2-svn，代码行数:88，代码来源:cdc-acm.c

示例10: acm_ctrl_irq

/* control interface reports status changes with "interrupt" transfers */
static void acm_ctrl_irq(struct urb *urb, struct pt_regs *regs)
{
	struct acm *acm = urb->context;
	struct usb_ctrlrequest *dr = urb->transfer_buffer;
	unsigned char *data = (unsigned char *)(dr + 1);
	int newctrl;
	int status;

	switch (urb->status) {
	case 0:
		/* success */
		break;
	case -ECONNRESET:
	case -ENOENT:
	case -ESHUTDOWN:
		/* this urb is terminated, clean up */
		dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
		return;
	default:
		dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
		goto exit;
	}

	if (!ACM_READY(acm))
		goto exit;

	switch (dr->bRequest) {

		case ACM_IRQ_NETWORK:

			dbg("%s network", dr->wValue ? "connected to" : "disconnected from");
			break;

		case ACM_IRQ_LINE_STATE:

			newctrl = le16_to_cpup((__u16 *) data);

			if (acm->tty && !acm->clocal && (acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
				dbg("calling hangup");
				tty_hangup(acm->tty);
			}

			acm->ctrlin = newctrl;

			dbg("input control lines: dcd%c dsr%c break%c ring%c framing%c parity%c overrun%c",
				acm->ctrlin & ACM_CTRL_DCD ? '+' : '-',	acm->ctrlin & ACM_CTRL_DSR ? '+' : '-',
				acm->ctrlin & ACM_CTRL_BRK ? '+' : '-',	acm->ctrlin & ACM_CTRL_RI  ? '+' : '-',
				acm->ctrlin & ACM_CTRL_FRAMING ? '+' : '-',	acm->ctrlin & ACM_CTRL_PARITY ? '+' : '-',
				acm->ctrlin & ACM_CTRL_OVERRUN ? '+' : '-');

			break;

		default:
			dbg("unknown control event received: request %d index %d len %d data0 %d data1 %d",
				dr->bRequest, dr->wIndex, dr->wLength, data[0], data[1]);
			break;
	}
exit:
	status = usb_submit_urb (urb, GFP_ATOMIC);
	if (status)
		err ("%s - usb_submit_urb failed with result %d",
		     __FUNCTION__, status);
}

开发者ID:iPodLinux，项目名称:linux-2.6.7-ipod，代码行数:64，代码来源:cdc-acm.c

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