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C++ set_rts函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中set_rts函数的典型用法代码示例。如果您正苦于以下问题：C++ set_rts函数的具体用法？C++ set_rts怎么用？C++ set_rts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set_rts函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: tegra_uart_handle_rx_dma

static void tegra_uart_handle_rx_dma(struct tegra_uart_port *tup,
		unsigned long *flags)
{
	struct dma_tx_state state;
	struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
	struct tty_port *port = &tup->uport.state->port;
	struct uart_port *u = &tup->uport;
	int count;

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	dmaengine_terminate_all(tup->rx_dma_chan);
	dmaengine_tx_status(tup->rx_dma_chan,  tup->rx_cookie, &state);
	async_tx_ack(tup->rx_dma_desc);
	count = tup->rx_bytes_requested - state.residue;

	/* If we are here, DMA is stopped */
	if (count)
		tegra_uart_copy_rx_to_tty(tup, port, count);

	tegra_uart_handle_rx_pio(tup, port);
	if (tty) {
		spin_unlock_irqrestore(&u->lock, *flags);
		tty_flip_buffer_push(port);
		spin_lock_irqsave(&u->lock, *flags);
		tty_kref_put(tty);
	}
	tegra_uart_start_rx_dma(tup);

	if (tup->rts_active)
		set_rts(tup, true);
}
开发者ID:383530895，项目名称:linux，代码行数:34，代码来源:serial-tegra.c


示例2: tegra_uart_set_mctrl

/* Set the modem control signals state of uart controller. */
void tegra_uart_set_mctrl(struct uart_port *uport, unsigned int mctrl)
{
	unsigned long flags;
	struct tegra_uart_port *t;

	t = container_of(uport, struct tegra_uart_port, uport);
	if (t->uart_state != TEGRA_UART_OPENED) {
		dev_err(t->uport.dev, "Uart is in invalid state\n");
		return;
	}

	spin_lock_irqsave(&uport->lock, flags);
	if (mctrl & TIOCM_RTS) {
		t->rts_active = true;
		set_rts(t, true);
	} else {
		t->rts_active = false;
		set_rts(t, false);
	}

	if (mctrl & TIOCM_DTR)
		set_dtr(t, true);
	else
		set_dtr(t, false);
	spin_unlock_irqrestore(&uport->lock, flags);
	return;
}
开发者ID:vocoderism，项目名称:Tegra-Note-7，代码行数:28，代码来源:tegra_hsuart.c


示例3: tegra_uart_rx_dma_complete

static void tegra_uart_rx_dma_complete(void *args)
{
	struct tegra_uart_port *tup = args;
	struct uart_port *u = &tup->uport;
	int count = tup->rx_bytes_requested;
	struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
	struct tty_port *port = &u->state->port;
	unsigned long flags;

	async_tx_ack(tup->rx_dma_desc);
	spin_lock_irqsave(&u->lock, flags);

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	/* If we are here, DMA is stopped */
	if (count)
		tegra_uart_copy_rx_to_tty(tup, port, count);

	tegra_uart_handle_rx_pio(tup, port);
	if (tty) {
		spin_unlock_irqrestore(&u->lock, flags);
		tty_flip_buffer_push(port);
		spin_lock_irqsave(&u->lock, flags);
		tty_kref_put(tty);
	}
	tegra_uart_start_rx_dma(tup);

	/* Activate flow control to start transfer */
	if (tup->rts_active)
		set_rts(tup, true);

	spin_unlock_irqrestore(&u->lock, flags);
}
开发者ID:383530895，项目名称:linux，代码行数:35，代码来源:serial-tegra.c


示例4: tegra_uart_rx_dma_complete

static void tegra_uart_rx_dma_complete(void *args)
{
	struct tegra_uart_port *tup = args;
	struct uart_port *u = &tup->uport;
	unsigned long flags;
	struct dma_tx_state state;
	enum dma_status status;

	spin_lock_irqsave(&u->lock, flags);

	status = dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state);

	if (status == DMA_IN_PROGRESS) {
		dev_dbg(tup->uport.dev, "RX DMA is in progress\n");
		goto done;
	}

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	tegra_uart_rx_buffer_push(tup, 0);
	tegra_uart_start_rx_dma(tup);

	/* Activate flow control to start transfer */
	if (tup->rts_active)
		set_rts(tup, true);

done:
	spin_unlock_irqrestore(&u->lock, flags);
}
开发者ID:Lyude，项目名称:linux，代码行数:31，代码来源:serial-tegra.c


示例5: tegra_uart_rx_dma_complete

static void tegra_uart_rx_dma_complete(void *args)
{
	struct tegra_uart_port *tup = args;
	struct uart_port *u = &tup->uport;
	int count = tup->rx_bytes_requested;
	struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
	struct tty_port *port = &u->state->port;
	unsigned long flags;
	int rx_level = 0;
	struct dma_tx_state state;
	enum dma_status status;

	spin_lock_irqsave(&u->lock, flags);
	async_tx_ack(tup->rx_dma_desc);

	status = dmaengine_tx_status(tup->rx_dma_chan,
			tup->rx_cookie, &state);
	if (status == DMA_IN_PROGRESS) {
		dev_info(tup->uport.dev, "RX DMA is in progress\n");
		goto done;
	}

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	/* If we are here, DMA is stopped */
	if (count)
		tegra_uart_copy_rx_to_tty(tup, port, count);

	tegra_uart_handle_rx_pio(tup, port);

	if (tup->enable_rx_buffer_throttle) {
		rx_level = tty_buffer_get_level(port);
		if (rx_level > 70)
			mod_timer(&tup->timer,
					jiffies + tup->timer_timeout_jiffies);
	}

	if (tty) {
		tty_flip_buffer_push(port);
		tty_kref_put(tty);
	}
	tegra_uart_start_rx_dma(tup);

	/* Activate flow control to start transfer */
	if (tup->enable_rx_buffer_throttle) {
		if ((rx_level <= 70) && tup->rts_active)
			set_rts(tup, true);
	} else if (tup->rts_active)
		set_rts(tup, true);
done:
	spin_unlock_irqrestore(&u->lock, flags);
}
开发者ID:Toradex-Apalis-TK1-AndroidTV，项目名称:android_kernel_nvidia_mm，代码行数:54，代码来源:serial-tegra.c


示例6: do_handle_rx_dma

/* Lock already taken */
static void do_handle_rx_dma(struct tegra_uart_port *t)
{
	struct uart_port *u = &t->uport;
	if (t->rts_active)
		set_rts(t, false);
	tegra_dma_dequeue_req(t->rx_dma, &t->rx_dma_req);
	tty_flip_buffer_push(u->state->port.tty);
	/* enqueue the request again */
	tegra_start_dma_rx(t);
	if (t->rts_active)
		set_rts(t, true);
}
开发者ID:vocoderism，项目名称:Tegra-Note-7，代码行数:13，代码来源:tegra_hsuart.c


示例7: send_break

void tms9902_device::initiate_transmit()
{
	if (m_BRKON && m_CTSin)
		/* enter break mode */
		send_break(true);
	else
	{
		if (!m_RTSON && (!m_CTSin || (m_XBRE && !m_BRKout)))
			/* clear RTS output */
			set_rts(CLEAR_LINE);
		else
		{
			if (VERBOSE>5) LOG("TMS9902: transferring XBR to XSR; XSRE=false, XBRE=true\n");
			m_XSR = m_XBR;
			m_XSRE = false;
			m_XBRE = true;

			field_interrupts();

			if (VERBOSE>4) LOG("TMS9902: transmit XSR=%02x, RCL=%02x\n", m_XSR, m_RCL);

			xmit_callback(0, m_XSR & (0xff >> (3-m_RCL)));

			// Should store that somewhere (but the CPU is fast enough, can afford to recalc :-) )
			double fint = m_clock_rate / ((m_CLK4M) ? 4.0 : 3.0);
			double baud = fint / (2.0 * ((m_RDV8)? 8:1) * m_RDR);

			// Time for transmitting 10 bit (8 bit + start + stop)
			m_sendtimer->adjust(attotime::from_hz(baud/10.0));
		}
	}
}
开发者ID:AreaScout，项目名称:mame-libretro，代码行数:32，代码来源:tms9902.c


示例8: tegra_uart_handle_rx_dma

static void tegra_uart_handle_rx_dma(struct tegra_uart_port *tup)
{
	struct dma_tx_state state;

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	dmaengine_terminate_all(tup->rx_dma_chan);
	dmaengine_tx_status(tup->rx_dma_chan, tup->rx_cookie, &state);
	tegra_uart_rx_buffer_push(tup, state.residue);
	tegra_uart_start_rx_dma(tup);

	if (tup->rts_active)
		set_rts(tup, true);
}
开发者ID:Lyude，项目名称:linux，代码行数:16，代码来源:serial-tegra.c


示例9: LOG

//-------------------------------------------------
//  reset - reset channel status
//-------------------------------------------------
void z80sio_channel::device_reset()
{
	LOG("%s\n", FUNCNAME);

	// Reset RS232 emulation
	receive_register_reset();
	transmit_register_reset();

	// disable receiver
	m_wr3 &= ~WR3_RX_ENABLE;

	// disable transmitter
	m_wr5 &= ~WR5_TX_ENABLE;
	m_rr0 |= RR0_TX_BUFFER_EMPTY;
	m_rr1 |= RR1_ALL_SENT;

	// reset external lines
	set_rts(1);
	set_dtr(1);

	// reset interrupts
	if (m_index == z80sio_device::CHANNEL_A)
	{
		m_uart->reset_interrupts();
	}
}
开发者ID:Robbbert，项目名称:store1，代码行数:29，代码来源:z80sio.cpp


示例10: tegra_start_rx

static void tegra_start_rx(struct uart_port *u)
{
	struct tegra_uart_port *t;
	unsigned char ier;

	t = container_of(u, struct tegra_uart_port, uport);

	if (t->rts_active)
		set_rts(t, true);

	if (!t->rx_in_progress) {
		wait_sym_time(t, 1); /* wait a character interval */

		/* Clear the received Bytes from FIFO */
		tegra_fifo_reset(t, UART_FCR_CLEAR_RCVR);
		uart_readb(t, UART_LSR);
		ier = 0;
		ier |= (UART_IER_RLSI | UART_IER_RTOIE);
		if (t->use_rx_dma)
			ier |= UART_IER_EORD;
		else
			ier |= UART_IER_RDI;
		t->ier_shadow |= ier;
		uart_writeb(t, t->ier_shadow, UART_IER);

		t->rx_in_progress = 1;

		if (t->use_rx_dma && t->rx_dma)
			tegra_dma_enqueue_req(t->rx_dma, &t->rx_dma_req);

		tty_flip_buffer_push(u->state->port.tty);
	}

	return;
}
开发者ID:vocoderism，项目名称:Tegra-Note-7，代码行数:35，代码来源:tegra_hsuart.c


示例11: tegra_stop_rx

static void tegra_stop_rx(struct uart_port *u)
{
	struct tegra_uart_port *t;
	unsigned char ier;

	t = container_of(u, struct tegra_uart_port, uport);

	if (t->rts_active)
		set_rts(t, false);

	if (t->rx_in_progress) {
		wait_sym_time(t, 1); /* wait a character interval */

		ier = t->ier_shadow;
		ier &= ~(UART_IER_RDI | UART_IER_RLSI | UART_IER_RTOIE |
					UART_IER_EORD);
		t->ier_shadow = ier;
		uart_writeb(t, ier, UART_IER);
		t->rx_in_progress = 0;

		if (t->use_rx_dma && t->rx_dma)
			tegra_dma_dequeue_req(t->rx_dma, &t->rx_dma_req);
		else
			do_handle_rx_pio(t);

		tty_flip_buffer_push(u->state->port.tty);
	}

	return;
}
开发者ID:vocoderism，项目名称:Tegra-Note-7，代码行数:30，代码来源:tegra_hsuart.c


示例12: RBAPI

RBAPI(bool) com_Send(int com, unsigned char* buf, int bsize) {
    unsigned long nowtime;
    int numbytes = 0, bsize2;

    if (COM_duplex[com] == COM_HDUPLEX_RTS)
    {
        MPOS_Start();
        set_rts(com);
    }

    while (bsize > 0)
    {
        bsize2 = (bsize <= MAXRWSIZE)? bsize : MAXRWSIZE;
        
        for (nowtime = timer_nowtime(); bsize2 > 0; buf += numbytes, bsize2 -= numbytes, bsize -= numbytes)
        {
            #if defined(RB_MSVC_WIN32) || defined(RB_MSVC_WINCE)
                if (WriteFile(COM_info[com].fp, buf, bsize2, (LPDWORD)&numbytes, NULL) == FALSE)
                {
                    err_SetMsg(ERROR_COM_SENDFAIL, "WriteFile() fails");
                    goto SEND_FAIL;
                }
            #elif defined(RB_LINUX)
                if ((numbytes = write(COM_info[com].fp, buf, bsize2)) < 0)
                {
                    err_SetMsg(ERROR_COM_SENDFAIL, "write() fails");
                    goto SEND_FAIL;
                }
            #else
                // TODO ...
                err_SetMsg(ERROR_COM_INVALID, "unsupported platform");
                goto SEND_FAIL;
            #endif
            
            if ((timer_nowtime() - nowtime) > COM_TIMEOUT)
            {
                err_SetMsg(ERROR_COM_SENDFAIL, "time-out to write bytes");
                goto SEND_FAIL;
            }
        } // for (nowtime...
    } // end while (bsize...

    if (COM_duplex[com] == COM_HDUPLEX_RTS)
    {
        com_FlushWFIFO(com);
        clear_rts(com);
        MPOS_End();
    }

    return true;
    
SEND_FAIL:
    if (COM_duplex[com] == COM_HDUPLEX_RTS)
    {
        clear_rts(com);
        MPOS_End();
    }
    return false;
}
开发者ID:mhk2010，项目名称:roboard-hexapod，代码行数:59，代码来源:com.cpp


示例13: ntty_throttle

/*
 * Called by the upper tty layer when the tty buffers are almost full.
 * The driver should stop send more data.
 */
static void ntty_throttle(struct tty_struct *tty)
{
	struct nozomi *dc = get_dc_by_tty(tty);
	unsigned long flags;

	DBG1("THROTTLE");
	spin_lock_irqsave(&dc->spin_mutex, flags);
	set_rts(tty, 0);
	spin_unlock_irqrestore(&dc->spin_mutex, flags);
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:14，代码来源:nozomi.c


示例14: tegra_uart_handle_rx_dma

static void tegra_uart_handle_rx_dma(struct tegra_uart_port *tup)
{
	struct dma_tx_state state;
	struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
	struct tty_port *port = &tup->uport.state->port;
	int count;
	int rx_level = 0;

	/* Deactivate flow control to stop sender */
	if (tup->rts_active)
		set_rts(tup, false);

	dmaengine_terminate_all(tup->rx_dma_chan);
	dmaengine_tx_status(tup->rx_dma_chan,  tup->rx_cookie, &state);
	async_tx_ack(tup->rx_dma_desc);
	count = tup->rx_bytes_requested - state.residue;

	/* If we are here, DMA is stopped */
	if (count)
		tegra_uart_copy_rx_to_tty(tup, port, count);

	tegra_uart_handle_rx_pio(tup, port);

	if (tup->enable_rx_buffer_throttle) {
		rx_level = tty_buffer_get_level(port);
		if (rx_level > 70)
			mod_timer(&tup->timer,
					jiffies + tup->timer_timeout_jiffies);
	}

	if (tty) {
		tty_flip_buffer_push(port);
		tty_kref_put(tty);
	}
	tegra_uart_start_rx_dma(tup);

	if (tup->enable_rx_buffer_throttle) {
		if ((rx_level <= 70) && tup->rts_active)
			set_rts(tup, true);
	} else if (tup->rts_active)
		set_rts(tup, true);
}
开发者ID:Toradex-Apalis-TK1-AndroidTV，项目名称:android_kernel_nvidia_mm，代码行数:42，代码来源:serial-tegra.c


示例15: ntty_tiocmset

/* Sets io controls parameters */
static int ntty_tiocmset(struct tty_struct *tty,
					unsigned int set, unsigned int clear)
{
	struct nozomi *dc = get_dc_by_tty(tty);
	unsigned long flags;

	spin_lock_irqsave(&dc->spin_mutex, flags);
	if (set & TIOCM_RTS)
		set_rts(tty, 1);
	else if (clear & TIOCM_RTS)
		set_rts(tty, 0);

	if (set & TIOCM_DTR)
		set_dtr(tty, 1);
	else if (clear & TIOCM_DTR)
		set_dtr(tty, 0);
	spin_unlock_irqrestore(&dc->spin_mutex, flags);

	return 0;
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:21，代码来源:nozomi.c


示例16: tegra_uart_set_mctrl

static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)
{
	struct tegra_uart_port *tup = to_tegra_uport(u);
	int dtr_enable;

	tup->rts_active = !!(mctrl & TIOCM_RTS);
	set_rts(tup, tup->rts_active);

	dtr_enable = !!(mctrl & TIOCM_DTR);
	set_dtr(tup, dtr_enable);
}
开发者ID:Lyude，项目名称:linux，代码行数:11，代码来源:serial-tegra.c


示例17: ntty_unthrottle

/*
 * Called by the upper tty layer when tty buffers are ready
 * to receive data again after a call to throttle.
 */
static void ntty_unthrottle(struct tty_struct *tty)
{
	struct nozomi *dc = get_dc_by_tty(tty);
	unsigned long flags;

	DBG1("UNTHROTTLE");
	spin_lock_irqsave(&dc->spin_mutex, flags);
	enable_transmit_dl(tty->index % MAX_PORT, dc);
	set_rts(tty, 1);

	spin_unlock_irqrestore(&dc->spin_mutex, flags);
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:16，代码来源:nozomi.c


示例18: logerror

void tms9902_device::reset_uart()
{
	logerror("resetting UART\n");

	/*  disable all interrupts */
	m_DSCENB = false;   // Data Set Change Interrupt Enable
	m_TIMENB = false;   // Timer Interrupt Enable
	m_XBIENB = false;   // Transmit Buffer Interrupt Enable
	m_RIENB = false;        // Read Buffer Interrupt Enable

	/* initialize transmitter */
	m_XBRE = true;      // Transmit Buffer Register Empty
	m_XSRE = true;      // Transmit Shift Register Empty

	/* initialize receiver */
	m_RBRL = false;     // Read Buffer Register Loaded

	/* clear RTS */
	m_RTSON = false;        // Request-to-send on (flag)
	m_RTSout = true;        // Note we are doing this to ensure the state is sent to the interface
	set_rts(CLEAR_LINE);
	m_RTSout = false;   // what we actually want

	/* set all register load flags to 1 */
	m_LDCTRL = true;
	m_LDIR = true;
	m_LRDR = true;
	m_LXDR = true;

	/* clear break condition */
	m_BRKON = false;
	m_BRKout = false;

	m_DSCH = false;
	m_TIMELP = false;
//  m_CTSin = false;   // not a good idea - this is the latch of an incoming line

	m_TMR = 0;
	m_STOPB = 0;
	m_RCL = 0;
	m_XDR = 0;
	m_RDR = 0;
	m_RBR = 0;
	m_XBR = 0;
	m_XSR = 0;

	// m_INT will be cleared in field_interrupts; setting to true is required
	// to trigger the INT line update
	m_INT = true;
	field_interrupts();
}
开发者ID:GiuseppeGorgoglione，项目名称:mame，代码行数:51，代码来源:tms9902.cpp


示例19: tegra_set_mctrl

static void tegra_set_mctrl(struct uart_port *u, unsigned int mctrl)
{
	unsigned char mcr;
	struct tegra_uart_port *t;

	dev_dbg(u->dev, "tegra_set_mctrl called with %d\n", mctrl);
	t = container_of(u, struct tegra_uart_port, uport);

	mcr = t->mcr_shadow;
	if (mctrl & TIOCM_RTS) {
		t->rts_active = true;
		set_rts(t, true);
	} else {
		t->rts_active = false;
		set_rts(t, false);
	}

	if (mctrl & TIOCM_DTR)
		set_dtr(t, true);
	else
		set_dtr(t, false);
	return;
}
开发者ID:vocoderism，项目名称:Tegra-Note-7，代码行数:23，代码来源:tegra_hsuart.c


示例20: tegra_uart_set_mctrl

static void tegra_uart_set_mctrl(struct uart_port *u, unsigned int mctrl)
{
	struct tegra_uart_port *tup = to_tegra_uport(u);
	unsigned long mcr;
	int dtr_enable;

	mcr = tup->mcr_shadow;
	tup->rts_active = !!(mctrl & TIOCM_RTS);
	set_rts(tup, tup->rts_active);

	dtr_enable = !!(mctrl & TIOCM_DTR);
	set_dtr(tup, dtr_enable);
	return;
}
开发者ID:383530895，项目名称:linux，代码行数:14，代码来源:serial-tegra.c



注：本文中的set_rts函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。

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