本文整理汇总了C++中UART_PUT_CR函数的典型用法代码示例。如果您正苦于以下问题：C++ UART_PUT_CR函数的具体用法？C++ UART_PUT_CR怎么用？C++ UART_PUT_CR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UART_PUT_CR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: at91_console_setup
static int __init at91_console_setup(struct console *co, char *options)
{
struct uart_port *port;
int baud = 115200;
int bits = 8;
int parity = 'n';
int flow = 'n';
/*
* Check whether an invalid uart number has been specified, and
* if so, search for the first available port that does have
* console support.
*/
port = uart_get_console(at91_ports, AT91_NR_UART, co);
/*
* Enable the serial console, in-case bootloader did not do it.
*/
at91_sys_write(AT91_PMC_PCER, 1 << port->irq); /* enable clock */
UART_PUT_IDR(port, -1); /* disable interrupts */
UART_PUT_CR(port, AT91_US_RSTSTA | AT91_US_RSTRX);
UART_PUT_CR(port, AT91_US_TXEN | AT91_US_RXEN);
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
else
at91_console_get_options(port, &baud, &parity, &bits);
return uart_set_options(port, co, baud, parity, bits, flow);
}示例2: at91_set_mctrl
/*
* Set state of the modem control output lines
*/
static void at91_set_mctrl(struct uart_port *port, u_int mctrl)
{
unsigned int control = 0;
/*
* Errata #39: RTS0 is not internally connected to PA21. We need to drive
* the pin manually.
*/
if (port->mapbase == AT91_VA_BASE_US0) {
if (mctrl & TIOCM_RTS)
at91_sys_write(AT91_PIOA + PIO_CODR, AT91_PA21_RTS0);
else
at91_sys_write(AT91_PIOA + PIO_SODR, AT91_PA21_RTS0);
}
if (mctrl & TIOCM_RTS)
control |= AT91_US_RTSEN;
else
control |= AT91_US_RTSDIS;
if (mctrl & TIOCM_DTR)
control |= AT91_US_DTREN;
else
control |= AT91_US_DTRDIS;
UART_PUT_CR(port,control);
}示例3: pl010_startup
static int pl010_startup(struct uart_port *port)
{
struct uart_amba_port *uap = (struct uart_amba_port *)port;
int retval;
/*
* Allocate the IRQ
*/
retval = request_irq(port->irq, pl010_int, 0, "uart-pl010", port);
if (retval)
return retval;
/*
* initialise the old status of the modem signals
*/
uap->old_status = UART_GET_FR(port) & UART01x_FR_MODEM_ANY;
/*
* Finally, enable interrupts
*/
UART_PUT_CR(port, UART01x_CR_UARTEN | UART010_CR_RIE |
UART010_CR_RTIE);
return 0;
}示例4: ambauart_enable_ms
static void ambauart_enable_ms(struct uart_port *port)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr |= AMBA_UARTCR_MSIE;
UART_PUT_CR(port, cr);
}示例5: ambauart_stop_rx
static void ambauart_stop_rx(struct uart_port *port)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr &= ~(AMBA_UARTCR_RIE | AMBA_UARTCR_RTIE);
UART_PUT_CR(port, cr);
}示例6: ambauart_stop_tx
static void ambauart_stop_tx(struct uart_port *port, u_int from_tty)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr &= ~AMBA_UARTCR_TIE;
UART_PUT_CR(port, cr);
}示例7: pl010_start_tx
static void pl010_start_tx(struct uart_port *port)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr |= UART010_CR_TIE;
UART_PUT_CR(port, cr);
}示例8: pl010_stop_rx
static void pl010_stop_rx(struct uart_port *port)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
UART_PUT_CR(port, cr);
}示例9: pl010_enable_ms
static void pl010_enable_ms(struct uart_port *port)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr |= UART010_CR_MSIE;
UART_PUT_CR(port, cr);
}示例10: pl010_stop_tx
static void pl010_stop_tx(struct uart_port *port, unsigned int tty_stop)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr &= ~UART010_CR_TIE;
UART_PUT_CR(port, cr);
}示例11: ambauart_start_tx
static void ambauart_start_tx(struct uart_port *port, unsigned int tty_start)
{
unsigned int cr;
cr = UART_GET_CR(port);
cr |= AMBA_UARTCR_TIE;
UART_PUT_CR(port, cr);
}示例12: ambauart_start_tx
static void ambauart_start_tx(struct uart_port *port, u_int nonempty, u_int from_tty)
{
if (nonempty) {
unsigned int cr;
cr = UART_GET_CR(port);
cr |= AMBA_UARTCR_TIE;
UART_PUT_CR(port, cr);
}
}示例13: atmel_startup
/*
* Perform initialization and enable port for reception
*/
static int atmel_startup(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port;
int retval;
/*
* Ensure that no interrupts are enabled otherwise when
* request_irq() is called we could get stuck trying to
* handle an unexpected interrupt
*/
UART_PUT_IDR(port, -1);
/*
* Allocate the IRQ
*/
retval = request_irq(port->irq, atmel_interrupt, IRQF_SHARED, "atmel_serial", port);
if (retval) {
printk("atmel_serial: atmel_startup - Can't get irq\n");
return retval;
}
/*
* If there is a specific "open" function (to register
* control line interrupts)
*/
if (atmel_open_hook) {
retval = atmel_open_hook(port);
if (retval) {
free_irq(port->irq, port);
return retval;
}
}
/*
* Finally, enable the serial port
*/
UART_PUT_CR(port, ATMEL_US_RSTSTA | ATMEL_US_RSTRX);
UART_PUT_CR(port, ATMEL_US_TXEN | ATMEL_US_RXEN); /* enable xmit & rcvr */
UART_PUT_IER(port, ATMEL_US_RXRDY); /* enable receive only */
return 0;
}示例14: at91_rx_chars
/*
* Characters received (called from interrupt handler)
*/
static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs)
{
struct tty_struct *tty = port->info->tty;
unsigned int status, ch, flg;
status = UART_GET_CSR(port) & port->read_status_mask;
while (status & (AT91_US_RXRDY)) {
ch = UART_GET_CHAR(port);
port->icount.rx++;
flg = TTY_NORMAL;
/*
* note that the error handling code is
* out of the main execution path
*/
if (unlikely(status & (AT91_US_PARE | AT91_US_FRAME | AT91_US_OVRE))) {
UART_PUT_CR(port, AT91_US_RSTSTA); /* clear error */
if (status & (AT91_US_PARE))
port->icount.parity++;
if (status & (AT91_US_FRAME))
port->icount.frame++;
if (status & (AT91_US_OVRE))
port->icount.overrun++;
if (status & AT91_US_PARE)
flg = TTY_PARITY;
else if (status & AT91_US_FRAME)
flg = TTY_FRAME;
if (status & AT91_US_OVRE) {
/*
* overrun does *not* affect the character
* we read from the FIFO
*/
tty_insert_flip_char(tty, ch, flg);
ch = 0;
flg = TTY_OVERRUN;
}
#ifdef SUPPORT_SYSRQ
port->sysrq = 0;
#endif
}
if (uart_handle_sysrq_char(port, ch, regs))
goto ignore_char;
tty_insert_flip_char(tty, ch, flg);
ignore_char:
status = UART_GET_CSR(port) & port->read_status_mask;
}
tty_flip_buffer_push(tty);
}示例15: at91_startup
/*
* Perform initialization and enable port for reception
*/
static int at91_startup(struct uart_port *port)
{
int retval;
/*
* Ensure that no interrupts are enabled otherwise when
* request_irq() is called we could get stuck trying to
* handle an unexpected interrupt
*/
UART_PUT_IDR(port, -1);
/*
* Allocate the IRQ
*/
retval = request_irq(port->irq, at91_interrupt, SA_SHIRQ, "at91_serial", port);
if (retval) {
printk("at91_serial: at91_startup - Can't get irq\n");
return retval;
}
/*
* If there is a specific "open" function (to register
* control line interrupts)
*/
if (at91_open) {
retval = at91_open(port);
if (retval) {
free_irq(port->irq, port);
return retval;
}
}
port->read_status_mask = AT91_US_RXRDY | AT91_US_TXRDY | AT91_US_OVRE
| AT91_US_FRAME | AT91_US_PARE | AT91_US_RXBRK;
/*
* Finally, enable the serial port
*/
UART_PUT_CR(port, AT91_US_RSTSTA | AT91_US_RSTRX);
UART_PUT_CR(port, AT91_US_TXEN | AT91_US_RXEN); /* enable xmit & rcvr */
UART_PUT_IER(port, AT91_US_RXRDY); /* do receive only */
return 0;
}