Esempi in C++ (Cpp) per UART_PUT_ICR

Esempio n. 1

File: amba-pl010.c Progetto: BackupTheBerlios/tew632-brp-svn

static void pl010_modem_status(struct uart_port *port)
{
	struct uart_amba_port *uap = (struct uart_amba_port *)port;
	unsigned int status, delta;

	UART_PUT_ICR(&uap->port, 0);

	status = UART_GET_FR(&uap->port) & UART01x_FR_MODEM_ANY;

	delta = status ^ uap->old_status;
	uap->old_status = status;

	if (!delta)
		return;

	if (delta & UART01x_FR_DCD)
		uart_handle_dcd_change(&uap->port, status & UART01x_FR_DCD);

	if (delta & UART01x_FR_DSR)
		uap->port.icount.dsr++;

	if (delta & UART01x_FR_CTS)
		uart_handle_cts_change(&uap->port, status & UART01x_FR_CTS);

	wake_up_interruptible(&uap->port.info->delta_msr_wait);
}

Esempio n. 2

File: amba.c Progetto: niubl/camera_project

static void ambauart_modem_status(struct uart_info *info)
{
	struct uart_port *port = info->port;
	unsigned int status, delta;

	UART_PUT_ICR(port, 0);

	status = UART_GET_FR(port) & AMBA_UARTFR_MODEM_ANY;

	delta = status ^ info->drv_old_status;
	info->drv_old_status = status;

	if (!delta)
		return;

	if (delta & AMBA_UARTFR_DCD)
		uart_handle_dcd_change(info, status & AMBA_UARTFR_DCD);

	if (delta & AMBA_UARTFR_DSR)
		port->icount.dsr++;

	if (delta & AMBA_UARTFR_CTS)
		uart_handle_cts_change(info, status & AMBA_UARTFR_CTS);

	wake_up_interruptible(&info->delta_msr_wait);
}