C++ (Cpp) ssu100_update_lsr Examples

Example #1

File: ssu100.c Project: 020gzh/linux

static void ssu100_process_read_urb(struct urb *urb)
{
	struct usb_serial_port *port = urb->context;
	char *packet = (char *)urb->transfer_buffer;
	char flag = TTY_NORMAL;
	u32 len = urb->actual_length;
	int i;
	char *ch;

	if ((len >= 4) &&
	    (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
	    ((packet[2] == 0x00) || (packet[2] == 0x01))) {
		if (packet[2] == 0x00)
			ssu100_update_lsr(port, packet[3], &flag);
		if (packet[2] == 0x01)
			ssu100_update_msr(port, packet[3]);

		len -= 4;
		ch = packet + 4;
	} else
		ch = packet;

	if (!len)
		return;	/* status only */

	if (port->port.console && port->sysrq) {
		for (i = 0; i < len; i++, ch++) {
			if (!usb_serial_handle_sysrq_char(port, *ch))
				tty_insert_flip_char(&port->port, *ch, flag);
		}
	} else
		tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);

	tty_flip_buffer_push(&port->port);
}

Example #2

File: ssu100.c Project: mjduddin/B14CKB1RD_kernel_m8

static int ssu100_process_packet(struct urb *urb,
				 struct tty_struct *tty)
{
	struct usb_serial_port *port = urb->context;
	char *packet = (char *)urb->transfer_buffer;
	char flag = TTY_NORMAL;
	u32 len = urb->actual_length;
	int i;
	char *ch;

	dbg("%s - port %d", __func__, port->number);

	if ((len >= 4) &&
	    (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
	    ((packet[2] == 0x00) || (packet[2] == 0x01))) {
		if (packet[2] == 0x00) {
			ssu100_update_lsr(port, packet[3], &flag);
			if (flag == TTY_OVERRUN)
				tty_insert_flip_char(tty, 0, TTY_OVERRUN);
		}
		if (packet[2] == 0x01)
			ssu100_update_msr(port, packet[3]);

		len -= 4;
		ch = packet + 4;
	} else
		ch = packet;

	if (!len)
		return 0;	

	if (port->port.console && port->sysrq) {
		for (i = 0; i < len; i++, ch++) {
			if (!usb_serial_handle_sysrq_char(port, *ch))
				tty_insert_flip_char(tty, *ch, flag);
		}
	} else
		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);

	return len;
}

Example #3

File: ssu100.c Project: Adjustxx/Savaged-Zen

static int ssu100_process_packet(struct tty_struct *tty,
				 struct usb_serial_port *port,
				 struct ssu100_port_private *priv,
				 char *packet, int len)
{
	int i;
	char flag = TTY_NORMAL;
	char *ch;

	dbg("%s - port %d", __func__, port->number);

	if ((len >= 4) &&
	    (packet[0] == 0x1b) && (packet[1] == 0x1b) &&
	    ((packet[2] == 0x00) || (packet[2] == 0x01))) {
		if (packet[2] == 0x00) {
			ssu100_update_lsr(port, packet[3], &flag);
			if (flag == TTY_OVERRUN)
				tty_insert_flip_char(tty, 0, TTY_OVERRUN);
		}
		if (packet[2] == 0x01)
			ssu100_update_msr(port, packet[3]);

		len -= 4;
		ch = packet + 4;
	} else
		ch = packet;

	if (!len)
		return 0;	/* status only */

	if (port->port.console && port->sysrq) {
		for (i = 0; i < len; i++, ch++) {
			if (!usb_serial_handle_sysrq_char(port, *ch))
				tty_insert_flip_char(tty, *ch, flag);
		}
	} else
		tty_insert_flip_string_fixed_flag(tty, ch, flag, len);

	return len;
}