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/**
* @file
*
* @brief Serial Mouse Driver
* @ingroup libmisc_mouse Serial Mouse Driver
*/
/*
* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <rtems/bspIo.h>
#include <rtems/libio.h>
#include <termios.h>
#include <rtems/termiostypes.h>
#include <rtems/mouse_parser.h>
#include <rtems/serial_mouse.h>
int serial_mouse_fd = -1;
const char *serial_mouse_device;
const char *serial_mouse_type;
static int serial_mouse_l_rint(int c, struct rtems_termios_tty *tp)
{
unsigned char buf = c;
/* call mouse_parser( void *ptr, char *buffer, int size ) */
mouse_parser_enqueue( &buf, 1 );
return 0;
}
static struct rtems_termios_linesw serial_mouse_linesw = {
.l_open = NULL,
.l_close = NULL,
.l_read = NULL,
.l_write = NULL,
.l_rint = serial_mouse_l_rint,
.l_start = NULL,
.l_ioctl = NULL,
.l_modem = NULL
};
/*
* Serial Mouse - device driver INITIALIZE entry point.
*/
rtems_device_driver serial_mouse_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
bsp_get_serial_mouse_device(
&serial_mouse_device,
&serial_mouse_type
);
(void) rtems_io_register_name( "/dev/mouse", major, 0 );
rtems_termios_linesw[ 6 ] = serial_mouse_linesw;
return RTEMS_SUCCESSFUL;
}
/*
* serial_mouse - device driver OPEN entry point
*/
rtems_device_driver serial_mouse_open(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *args
)
{
struct termios termios_attr;
int status;
int disc = 6;
/* XXX open(2) the configured /dev/comX */
/* XXX save the file descriptor */
serial_mouse_fd = open( serial_mouse_device, O_RDONLY );
if ( serial_mouse_fd == -1 ) {
printk(
"Error opening serial_mouse device on %s\n",
serial_mouse_device
);
return RTEMS_IO_ERROR;
}
/* 1200-8-N-1, without hardware flow control */
/* BSP_uart_init( BSP_UART_PORT, 1200, CHR_8_BITS, 0, 0, 0 ); */
status = tcgetattr(serial_mouse_fd, &termios_attr );
if (status != 0) {
printk("Error getting mouse attributes\n");
return RTEMS_IO_ERROR;
}
termios_attr.c_lflag &= ~(ICANON|ECHO|ECHONL|ECHOK|ECHOE|ECHOPRT|ECHOCTL);
termios_attr.c_iflag &= ~(IXON|IXANY|IXOFF);
/*
termios_attr.c_cc[VMIN] = itask_VMIN;
termios_attr.c_cc[VTIME] = itask_VTIME;
*/
termios_attr.c_cflag |= B1200;
termios_attr.c_cflag |= CS8;
status = tcsetattr( serial_mouse_fd, TCSANOW, &termios_attr );
if (status != 0) {
printk("Error setting mouse attributes\n");
return RTEMS_IO_ERROR;
}
status = ioctl(serial_mouse_fd, TIOCSETD, &disc);
if (status != 0) {
printk("Error setting mouse attributes\n");
return RTEMS_IO_ERROR;
}
sleep(5);
return RTEMS_SUCCESSFUL;
}
rtems_device_driver serial_mouse_close(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
close( serial_mouse_fd );
return RTEMS_SUCCESSFUL;
}
rtems_device_driver serial_mouse_read(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
return RTEMS_SUCCESSFUL;
}
rtems_device_driver serial_mouse_write(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
return RTEMS_SUCCESSFUL;
}
rtems_device_driver serial_mouse_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
rtems_libio_ioctl_args_t *args = (rtems_libio_ioctl_args_t *)arg;
switch( args->command ) {
case MW_UID_REGISTER_DEVICE:
printk( "SerialMouse: reg=%s\n", (const char*) args->buffer );
mouse_parser_initialize( serial_mouse_type );
break;
case MW_UID_UNREGISTER_DEVICE:
break;
default:
args->ioctl_return = ioctl(serial_mouse_fd, args->command, args->buffer );
if ( !args->ioctl_return )
return RTEMS_SUCCESSFUL;
return RTEMS_IO_ERROR;
}
args->ioctl_return = 0;
return RTEMS_SUCCESSFUL;
}
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