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C++ serial_in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serial_in函数的典型用法代码示例。如果您正苦于以下问题:C++ serial_in函数的具体用法?C++ serial_in怎么用?C++ serial_in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serial_in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: omap_uart_active

int omap_uart_active(int num, u32 timeout)
{
	struct uart_omap_port *up = ui[num];
	struct circ_buf *xmit;
	unsigned int status;

	/* Though when UART's initialised this can never happen,
	 * but during initialisation, it can happen the "ui"
	 * structure is not initialized and the timer kicks
	 * in. This would result in a NULL value, resulting
	 * in crash.
	 */
	if (up == NULL)
		return 0;

	/* Check for recent driver activity. If time delta from now
	 * to last activty < "uart idle timeout" second keep clocks on.
	 */
	if (((jiffies - up->port_activity) < timeout))
		return 1;

	xmit = &up->port.state->xmit;
	if (!(uart_circ_empty(xmit) || uart_tx_stopped(&up->port)))
		return 1;

	status = serial_in(up, UART_LSR);
	/* TX hardware not empty */
	if (!(status & (UART_LSR_TEMT | UART_LSR_THRE)))
		return 1;

	/* Any rx activity? */
	if (status & UART_LSR_DR)
		return 1;

	/* Check if DMA channels are active */
	if (up->use_dma && (up->uart_dma.rx_dma_channel != OMAP_UART_DMA_CH_FREE ||
		up->uart_dma.tx_dma_channel != OMAP_UART_DMA_CH_FREE))
		return 1;

	return 0;
}
开发者ID:AdiPat,项目名称:i9003_Kernel,代码行数:41,代码来源:omap-serial.c


示例2: serial_pxa_console_write

/*
 * Print a string to the serial port trying not to disturb
 * any possible real use of the port...
 *
 *	The console_lock must be held when we get here.
 */
static void
serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
{
	struct uart_pxa_port *up = &serial_pxa_ports[co->index];
	unsigned int ier;

	/*
	 *	First save the IER then disable the interrupts
	 */
	ier = serial_in(up, UART_IER);
	serial_out(up, UART_IER, UART_IER_UUE);

	uart_console_write(&up->port, s, count, serial_pxa_console_putchar);

	/*
	 *	Finally, wait for transmitter to become empty
	 *	and restore the IER
	 */
	wait_for_xmitr(up);
	serial_out(up, UART_IER, ier);
}
开发者ID:mrtos,项目名称:Logitech-Revue,代码行数:27,代码来源:pxa.c


示例3: serial_omap_rdi

static void serial_omap_rdi(struct uart_omap_port *up, unsigned int lsr)
{
	unsigned char ch = 0;
	unsigned int flag;

	if (!(lsr & UART_LSR_DR))
		return;

	ch = serial_in(up, UART_RX);
	flag = TTY_NORMAL;
	up->port.icount.rx++;

#ifdef CONFIG_CONSOLE_POLL
	if (up->port.poll_rx_cb && up->port.poll_rx_cb(ch))
		return;
#endif
	if (uart_handle_sysrq_char(&up->port, ch))
		return;

	uart_insert_char(&up->port, lsr, UART_LSR_OE, ch, flag);
}
开发者ID:neominds,项目名称:wrfx227819,代码行数:21,代码来源:omap-serial.c


示例4: omap8250_set_mctrl

static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
	struct uart_8250_port *up = up_to_u8250p(port);
	struct omap8250_priv *priv = up->port.private_data;
	u8 lcr;

	serial8250_do_set_mctrl(port, mctrl);

	/*
	 * Turn off autoRTS if RTS is lowered and restore autoRTS setting
	 * if RTS is raised
	 */
	lcr = serial_in(up, UART_LCR);
	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
	if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS))
		priv->efr |= UART_EFR_RTS;
	else
		priv->efr &= ~UART_EFR_RTS;
	serial_out(up, UART_EFR, priv->efr);
	serial_out(up, UART_LCR, lcr);
}
开发者ID:Lyude,项目名称:linux,代码行数:21,代码来源:8250_omap.c


示例5: serial_omap_pm

static void
serial_omap_pm(struct uart_port *port, unsigned int state,
	       unsigned int oldstate)
{
	struct uart_omap_port *up = (struct uart_omap_port *)port;
	unsigned char efr;

	dev_dbg(up->port.dev, "serial_omap_pm+%d\n", up->pdev->id);
	serial_out(up, UART_LCR, OMAP_UART_LCR_CONF_MDB);
	efr = serial_in(up, UART_EFR);
	serial_out(up, UART_EFR, efr | UART_EFR_ECB);
	serial_out(up, UART_LCR, 0);

	serial_out(up, UART_IER, (state != 0) ? UART_IERX_SLEEP : 0);
	serial_out(up, UART_LCR, OMAP_UART_LCR_CONF_MDB);
	serial_out(up, UART_EFR, efr);
	serial_out(up, UART_LCR, 0);
	/* Enable module level wake up */
	serial_out(up, UART_OMAP_WER,
		(state != 0) ? OMAP_UART_WER_MOD_WKUP : 0);
}
开发者ID:AdiPat,项目名称:i9003_Kernel,代码行数:21,代码来源:omap-serial.c


示例6: ip3106_tx_chars

static void ip3106_tx_chars(struct ip3106_port *sport)
{
	struct circ_buf *xmit = &sport->port.info->xmit;

	if (sport->port.x_char) {
		serial_out(sport, IP3106_FIFO, sport->port.x_char);
		sport->port.icount.tx++;
		sport->port.x_char = 0;
		return;
	}

	/*
	 * Check the modem control lines before
	 * transmitting anything.
	 */
	ip3106_mctrl_check(sport);

	if (uart_circ_empty(xmit) || uart_tx_stopped(&sport->port)) {
		ip3106_stop_tx(&sport->port, 0);
		return;
	}

	/*
	 * TX while bytes available
	 */
	while (((serial_in(sport, IP3106_FIFO) &
					IP3106_UART_FIFO_TXFIFO) >> 16) < 16) {
		serial_out(sport, IP3106_FIFO, xmit->buf[xmit->tail]);
		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
		sport->port.icount.tx++;
		if (uart_circ_empty(xmit))
			break;
	}

	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
		uart_write_wakeup(&sport->port);

	if (uart_circ_empty(xmit))
		ip3106_stop_tx(&sport->port, 0);
}
开发者ID:BackupTheBerlios,项目名称:tew632-brp-svn,代码行数:40,代码来源:ip3106_uart.c


示例7: serial_pxa_tx_empty

static unsigned int serial_pxa_tx_empty(struct uart_port *port)
{
	struct uart_pxa_port *up = (struct uart_pxa_port *)port;
	unsigned long flags;
	unsigned int ret;

	spin_lock_irqsave(&up->port.lock, flags);

	if (up->dma_enable) {
		if (up->ier & UART_IER_DMAE) {
			if (up->uart_dma.dma_status & TX_DMA_RUNNING) {
				spin_unlock_irqrestore(&up->port.lock, flags);
				return 0;
			}
		}
	}

	ret = serial_in(up, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0;
	spin_unlock_irqrestore(&up->port.lock, flags);

	return ret;
}
开发者ID:GalaxyTab4,项目名称:maxicm_kernel_samsung_degaswifi,代码行数:22,代码来源:pxa.c


示例8: serial8250_get_mctrl

static unsigned int serial8250_get_mctrl(struct uart_port *port)
{
	struct uart_8250_port *up = (struct uart_8250_port *)port;
	unsigned long flags;
	unsigned char status;
	unsigned int ret;

	spin_lock_irqsave(&up->port.lock, flags);
	status = serial_in(up, UART_MSR);
	spin_unlock_irqrestore(&up->port.lock, flags);

	ret = 0;
	if (status & UART_MSR_DCD)
		ret |= TIOCM_CAR;
	if (status & UART_MSR_RI)
		ret |= TIOCM_RNG;
	if (status & UART_MSR_DSR)
		ret |= TIOCM_DSR;
	if (status & UART_MSR_CTS)
		ret |= TIOCM_CTS;
	return ret;
}
开发者ID:FelipeFernandes1988,项目名称:Alice-1121-Modem,代码行数:22,代码来源:au1x00_uart.c


示例9: check_modem_status

static inline void check_modem_status(struct uart_hsu_port *up)
{
	int status;

	status = serial_in(up, UART_MSR);

	if ((status & UART_MSR_ANY_DELTA) == 0)
		return;

	if (status & UART_MSR_TERI)
		up->port.icount.rng++;
	if (status & UART_MSR_DDSR)
		up->port.icount.dsr++;
	/* We may only get DDCD when HW init and reset */
	if (status & UART_MSR_DDCD)
		uart_handle_dcd_change(&up->port, status & UART_MSR_DCD);
	/* Will start/stop_tx accordingly */
	if (status & UART_MSR_DCTS)
		uart_handle_cts_change(&up->port, status & UART_MSR_CTS);

	wake_up_interruptible(&up->port.state->port.delta_msr_wait);
}
开发者ID:ANFS,项目名称:ANFS-kernel,代码行数:22,代码来源:mfd.c


示例10: serial_pxa_console_write

/*
 * Print a string to the serial port trying not to disturb
 * any possible real use of the port...
 *
 *	The console_lock must be held when we get here.
 */
static void
serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
{
	struct uart_pxa_port *up = serial_pxa_ports[co->index];
	unsigned int ier;
	unsigned long flags;
	int locked = 1;

	clk_enable(up->clk);
	local_irq_save(flags);
	if (up->port.sysrq)
		locked = 0;
	else if (oops_in_progress)
		locked = spin_trylock(&up->port.lock);
	else
		spin_lock(&up->port.lock);

	/*
	 *	First save the IER then disable the interrupts
	 */
	ier = serial_in(up, UART_IER);
	serial_out(up, UART_IER, UART_IER_UUE);

	uart_console_write(&up->port, s, count, serial_pxa_console_putchar);

	/*
	 *	Finally, wait for transmitter to become empty
	 *	and restore the IER
	 */
	wait_for_xmitr(up);
	serial_out(up, UART_IER, ier);

	if (locked)
		spin_unlock(&up->port.lock);
	local_irq_restore(flags);
	clk_disable(up->clk);

}
开发者ID:abhinav90,项目名称:linux,代码行数:44,代码来源:pxa.c


示例11: serial_omap_set_mctrl

//static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
	struct uart_omap_port *up = (struct uart_omap_port *)port;
	unsigned char mcr = 0;

	dev_dbg(up->port.dev, "serial_omap_set_mctrl+%d\n", up->pdev->id);
	if (mctrl & TIOCM_RTS)
		mcr |= UART_MCR_RTS;
	if (mctrl & TIOCM_DTR)
		mcr |= UART_MCR_DTR;
	if (mctrl & TIOCM_OUT1)
		mcr |= UART_MCR_OUT1;
	if (mctrl & TIOCM_OUT2)
		mcr |= UART_MCR_OUT2;
	if (mctrl & TIOCM_LOOP)
		mcr |= UART_MCR_LOOP;

	serial_omap_port_enable(up);
	up->mcr = serial_in(up, UART_MCR);
	up->mcr |= mcr;
	serial_out(up, UART_MCR, up->mcr);
	serial_omap_port_disable(up);
}
开发者ID:manusreload,项目名称:android_kernel_huawei_omap4,代码行数:24,代码来源:omap-serial.c


示例12: serial_omap_pm

static void
serial_omap_pm(struct uart_port *port, unsigned int state,
	       unsigned int oldstate)
{
	struct uart_omap_port *up = to_uart_omap_port(port);
	unsigned char efr;

	dev_dbg(up->port.dev, "serial_omap_pm+%d\n", up->port.line);

	pm_runtime_get_sync(up->dev);
	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
	efr = serial_in(up, UART_EFR);
	serial_out(up, UART_EFR, efr | UART_EFR_ECB);
	serial_out(up, UART_LCR, 0);

	serial_out(up, UART_IER, (state != 0) ? UART_IERX_SLEEP : 0);
	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
	serial_out(up, UART_EFR, efr);
	serial_out(up, UART_LCR, 0);

	pm_runtime_mark_last_busy(up->dev);
	pm_runtime_put_autosuspend(up->dev);
}
开发者ID:DenisLug,项目名称:mptcp,代码行数:23,代码来源:omap-serial.c


示例13: serial_omap_set_mctrl

static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
	struct uart_omap_port *up = (struct uart_omap_port *)port;
	unsigned char mcr = 0;

	dev_dbg(up->port.dev, "serial_omap_set_mctrl+%d\n", up->port.line);
	if (mctrl & TIOCM_RTS)
		mcr |= UART_MCR_RTS;
	if (mctrl & TIOCM_DTR)
		mcr |= UART_MCR_DTR;
	if (mctrl & TIOCM_OUT1)
		mcr |= UART_MCR_OUT1;
	if (mctrl & TIOCM_OUT2)
		mcr |= UART_MCR_OUT2;
	if (mctrl & TIOCM_LOOP)
		mcr |= UART_MCR_LOOP;

	pm_runtime_get_sync(&up->pdev->dev);
	up->mcr = serial_in(up, UART_MCR);
	up->mcr |= mcr;
	serial_out(up, UART_MCR, up->mcr);
	pm_runtime_put(&up->pdev->dev);
}
开发者ID:mjduddin,项目名称:B14CKB1RD_kernel_m8,代码行数:23,代码来源:omap-serial.c


示例14: serial8250_console_write

/*
 *	Print a string to the serial port trying not to disturb
 *	any possible real use of the port...
 *
 *	The console_lock must be held when we get here.
 */
static void
serial8250_console_write(struct console *co, const char *s, unsigned int count)
{
	struct uart_8250_port *up = &serial8250_ports[co->index];
	unsigned int ier;
	int i;

	/*
	 *	First save the UER then disable the interrupts
	 */
	ier = serial_in(up, UART_IER);
	serial_out(up, UART_IER, 0);

	/*
	 *	Now, do each character
	 */
	for (i = 0; i < count; i++, s++) {
		wait_for_xmitr(up);

		/*
		 *	Send the character out.
		 *	If a LF, also do CR...
		 */
		serial_out(up, UART_TX, *s);
		if (*s == 10) {
			wait_for_xmitr(up);
			serial_out(up, UART_TX, 13);
		}
	}

	/*
	 *	Finally, wait for transmitter to become empty
	 *	and restore the IER
	 */
	wait_for_xmitr(up);
	serial_out(up, UART_IER, ier);
}
开发者ID:gnensis,项目名称:linux-2.6.15,代码行数:43,代码来源:au1x00_uart.c


示例15: transmit_chars

static void transmit_chars(struct uart_sio_port *up)
{
	struct circ_buf *xmit = &up->port.state->xmit;
	int count;

	if (up->port.x_char) {
#ifndef CONFIG_SERIAL_M32R_PLDSIO	/* XXX */
		serial_out(up, UART_TX, up->port.x_char);
#endif
		up->port.icount.tx++;
		up->port.x_char = 0;
		return;
	}
	if (uart_circ_empty(xmit) || uart_tx_stopped(&up->port)) {
		m32r_sio_stop_tx(&up->port);
		return;
	}

	count = up->port.fifosize;
	do {
		serial_out(up, UART_TX, xmit->buf[xmit->tail]);
		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
		up->port.icount.tx++;
		if (uart_circ_empty(xmit))
			break;
		while (!(serial_in(up, UART_LSR) & UART_LSR_THRE));

	} while (--count > 0);

	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
		uart_write_wakeup(&up->port);

	pr_debug("THRE...\n");

	if (uart_circ_empty(xmit))
		m32r_sio_stop_tx(&up->port);
}
开发者ID:AK101111,项目名称:linux,代码行数:37,代码来源:m32r_sio.c


示例16: pnx8xxx_startup

static int pnx8xxx_startup(struct uart_port *port)
{
	struct pnx8xxx_port *sport = (struct pnx8xxx_port *)port;
	int retval;

	retval = request_irq(sport->port.irq, pnx8xxx_int, 0,
			     "pnx8xxx-uart", sport);
	if (retval)
		return retval;


	serial_out(sport, PNX8XXX_ICLR, PNX8XXX_UART_INT_ALLRX |
			     PNX8XXX_UART_INT_ALLTX);

	serial_out(sport, PNX8XXX_IEN, serial_in(sport, PNX8XXX_IEN) |
			    PNX8XXX_UART_INT_ALLRX |
			    PNX8XXX_UART_INT_ALLTX);

	spin_lock_irq(&sport->port.lock);
	pnx8xxx_enable_ms(&sport->port);
	spin_unlock_irq(&sport->port.lock);

	return 0;
}
开发者ID:DirtyDroidX,项目名称:android_kernel_htc_m8ul,代码行数:24,代码来源:pnx8xxx_uart.c


示例17: serial_omap_set_mctrl

static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
	struct uart_omap_port *up = to_uart_omap_port(port);
	unsigned char mcr = 0, old_mcr;

	dev_dbg(up->port.dev, "serial_omap_set_mctrl+%d\n", up->port.line);
	if (mctrl & TIOCM_RTS)
		mcr |= UART_MCR_RTS;
	if (mctrl & TIOCM_DTR)
		mcr |= UART_MCR_DTR;
	if (mctrl & TIOCM_OUT1)
		mcr |= UART_MCR_OUT1;
	if (mctrl & TIOCM_OUT2)
		mcr |= UART_MCR_OUT2;
	if (mctrl & TIOCM_LOOP)
		mcr |= UART_MCR_LOOP;

	pm_runtime_get_sync(up->dev);
	old_mcr = serial_in(up, UART_MCR);
	old_mcr &= ~(UART_MCR_LOOP | UART_MCR_OUT2 | UART_MCR_OUT1 |
		     UART_MCR_DTR | UART_MCR_RTS);
	up->mcr = old_mcr | mcr;
	serial_out(up, UART_MCR, up->mcr);
	pm_runtime_mark_last_busy(up->dev);
	pm_runtime_put_autosuspend(up->dev);

	if (gpio_is_valid(up->DTR_gpio) &&
	    !!(mctrl & TIOCM_DTR) != up->DTR_active) {
		up->DTR_active = !up->DTR_active;
		if (gpio_cansleep(up->DTR_gpio))
			schedule_work(&up->qos_work);
		else
			gpio_set_value(up->DTR_gpio,
				       up->DTR_active != up->DTR_inverted);
	}
}
开发者ID:AD5GB,项目名称:kernel_n5_3.10-experimental,代码行数:36,代码来源:omap-serial.c


示例18: ns16550_serial_putc

DEBUG_UART_FUNCS

#endif

#ifdef CONFIG_DM_SERIAL
static int ns16550_serial_putc(struct udevice *dev, const char ch)
{
	struct NS16550 *const com_port = dev_get_priv(dev);

	if (!(serial_in(&com_port->lsr) & UART_LSR_THRE))
		return -EAGAIN;
	serial_out(ch, &com_port->thr);

	/*
	 * Call watchdog_reset() upon newline. This is done here in putc
	 * since the environment code uses a single puts() to print the complete
	 * environment upon "printenv". So we can't put this watchdog call
	 * in puts().
	 */
	if (ch == '\n')
		WATCHDOG_RESET();

	return 0;
}
开发者ID:KunYi,项目名称:uboot-samx6i,代码行数:24,代码来源:ns16550.c


示例19: sw_uart_modem_status

static unsigned int sw_uart_modem_status(struct sw_uart_port *sw_uport)
{
	unsigned int status = serial_in(&sw_uport->port, SW_UART_MSR);

	status |= sw_uport->msr_saved_flags;
	sw_uport->msr_saved_flags = 0;

	if (status & SW_UART_MSR_ANY_DELTA && sw_uport->ier & SW_UART_IER_MSI &&
	    sw_uport->port.state != NULL) {
		if (status & SW_UART_MSR_TERI)
			sw_uport->port.icount.rng++;
		if (status & SW_UART_MSR_DDSR)
			sw_uport->port.icount.dsr++;
		if (status & SW_UART_MSR_DDCD)
			uart_handle_dcd_change(&sw_uport->port, status & SW_UART_MSR_DCD);
		if (!(sw_uport->mcr & SW_UART_MCR_AFE) && status & SW_UART_MSR_DCTS)
			uart_handle_cts_change(&sw_uport->port, status & SW_UART_MSR_CTS);

		wake_up_interruptible(&sw_uport->port.state->port.delta_msr_wait);
	}

	SERIAL_DBG("modem status: %x\n", status);
	return status;
}
开发者ID:GREYFOXRGR,项目名称:BPI-M3-bsp,代码行数:24,代码来源:sunxi-uart.c


示例20: serial_omap_set_termios

static void
serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
			struct ktermios *old)
{
	struct uart_omap_port *up = (struct uart_omap_port *)port;
	unsigned char cval = 0;
	unsigned char efr = 0;
	unsigned long flags = 0;
	unsigned int baud, quot;

	switch (termios->c_cflag & CSIZE) {
	case CS5:
		cval = UART_LCR_WLEN5;
		break;
	case CS6:
		cval = UART_LCR_WLEN6;
		break;
	case CS7:
		cval = UART_LCR_WLEN7;
		break;
	default:
	case CS8:
		cval = UART_LCR_WLEN8;
		break;
	}

	if (termios->c_cflag & CSTOPB)
		cval |= UART_LCR_STOP;
	if (termios->c_cflag & PARENB)
		cval |= UART_LCR_PARITY;
	if (!(termios->c_cflag & PARODD))
		cval |= UART_LCR_EPAR;


	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/13);
	quot = serial_omap_get_divisor(port, baud);

	
	up->calc_latency = (USEC_PER_SEC * up->port.fifosize) / (baud / 8);
	up->latency = up->calc_latency;
	schedule_work(&up->qos_work);

	up->dll = quot & 0xff;
	up->dlh = quot >> 8;
	up->mdr1 = UART_OMAP_MDR1_DISABLE;

	up->fcr = UART_FCR_R_TRIG_01 | UART_FCR_T_TRIG_01 |
			UART_FCR_ENABLE_FIFO;
	if (up->use_dma)
		up->fcr |= UART_FCR_DMA_SELECT;

	pm_runtime_get_sync(&up->pdev->dev);
	spin_lock_irqsave(&up->port.lock, flags);

	uart_update_timeout(port, termios->c_cflag, baud);

	up->port.read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
	if (termios->c_iflag & INPCK)
		up->port.read_status_mask |= UART_LSR_FE | UART_LSR_PE;
	if (termios->c_iflag & (BRKINT | PARMRK))
		up->port.read_status_mask |= UART_LSR_BI;

	up->port.ignore_status_mask = 0;
	if (termios->c_iflag & IGNPAR)
		up->port.ignore_status_mask |= UART_LSR_PE | UART_LSR_FE;
	if (termios->c_iflag & IGNBRK) {
		up->port.ignore_status_mask |= UART_LSR_BI;
		if (termios->c_iflag & IGNPAR)
			up->port.ignore_status_mask |= UART_LSR_OE;
	}

	if ((termios->c_cflag & CREAD) == 0)
		up->port.ignore_status_mask |= UART_LSR_DR;

	up->ier &= ~UART_IER_MSI;
	if (UART_ENABLE_MS(&up->port, termios->c_cflag))
		up->ier |= UART_IER_MSI;
	serial_out(up, UART_IER, up->ier);
	serial_out(up, UART_LCR, cval);		
	up->lcr = cval;
	up->scr = OMAP_UART_SCR_TX_EMPTY;

	

	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);
	serial_out(up, UART_DLL, 0);
	serial_out(up, UART_DLM, 0);
	serial_out(up, UART_LCR, 0);

	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);

	up->efr = serial_in(up, UART_EFR);
	serial_out(up, UART_EFR, up->efr | UART_EFR_ECB);

	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_A);
	up->mcr = serial_in(up, UART_MCR);
	serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
	

	up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK;
//.........这里部分代码省略.........
开发者ID:mjduddin,项目名称:B14CKB1RD_kernel_m8,代码行数:101,代码来源:omap-serial.c



注:本文中的serial_in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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C++ serial_init函数代码示例发布时间:2022-05-30
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