source: rtems/cpukit/libmisc/mouse/serial_mouse.c @ 3ab21dce

4.11
Last change on this file since 3ab21dce was 3ab21dce, checked in by Ralf Corsepius <ralf.corsepius@…>, on Dec 6, 2011 at 8:00:24 AM

2011-12-06 Ralf Corsépius <ralf.corsepius@…>

  • libmisc/mouse/serial_mouse.c: Make serial_mouse_l_rint static.
  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*
2 *  COPYRIGHT (c) 1989-2011.
3 *  On-Line Applications Research Corporation (OAR).
4 *
5 *  The license and distribution terms for this file may be
6 *  found in the file LICENSE in this distribution or at
7 *  http://www.rtems.com/license/LICENSE.
8 *
9 *  $Id$
10 */
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <sys/types.h>
15#include <sys/stat.h>
16#include <fcntl.h>
17
18#include <rtems/libio.h>
19#include <termios.h>
20#include <rtems/termiostypes.h>
21#include <rtems/mouse_parser.h>
22#include <rtems/serial_mouse.h>
23
24int         serial_mouse_fd = -1;
25const char *serial_mouse_device;
26const char *serial_mouse_type;
27
28static int serial_mouse_l_rint(int c, struct rtems_termios_tty *tp)
29{
30  unsigned char buf = c;
31 
32  /* call mouse_parser( void *ptr, char *buffer, int size ) */
33  mouse_parser_enqueue( &buf, 1 );
34  return 0;
35}
36
37static struct rtems_termios_linesw serial_mouse_linesw = {
38  .l_open = NULL,
39  .l_close = NULL,
40  .l_read  = NULL,
41  .l_write = NULL,
42  .l_rint  = serial_mouse_l_rint,
43  .l_start = NULL,
44  .l_ioctl = NULL,
45  .l_modem = NULL
46};
47
48
49/*
50 *  Serial Mouse - device driver INITIALIZE entry point.
51 */
52rtems_device_driver serial_mouse_initialize(
53  rtems_device_major_number  major,
54  rtems_device_minor_number  minor,
55  void                      *arg
56)
57{
58  bsp_get_serial_mouse_device(
59    &serial_mouse_device,
60    &serial_mouse_type
61  );
62
63  (void) rtems_io_register_name( "/dev/mouse", major, 0 );
64
65  rtems_termios_linesw[ 6 ] = serial_mouse_linesw;
66
67  return RTEMS_SUCCESSFUL;
68}
69
70/*
71 * serial_mouse - device driver OPEN entry point
72 */
73rtems_device_driver serial_mouse_open(
74  rtems_device_major_number  major,
75  rtems_device_minor_number  minor,
76  void                      *args
77)
78{
79  struct termios  termios_attr;
80  int             status;
81  int             disc = 6;
82
83  /* XXX open(2) the configured /dev/comX */
84  /* XXX save the file descriptor */
85  serial_mouse_fd = open( serial_mouse_device, O_RDONLY );
86  if ( serial_mouse_fd == -1 ) {
87   printk(
88     "Error opening serial_mouse device on %s\n",
89     serial_mouse_device
90   );
91   return RTEMS_IO_ERROR;
92  }
93
94  /* 1200-8-N-1, without hardware flow control */
95  /* BSP_uart_init( BSP_UART_PORT, 1200, CHR_8_BITS, 0, 0, 0 ); */
96  status = tcgetattr(serial_mouse_fd, &termios_attr );
97  if (status != 0) {
98    printk("Error getting mouse attributes\n");
99    return RTEMS_IO_ERROR;
100  }
101  termios_attr.c_lflag &= ~(ICANON|ECHO|ECHONL|ECHOK|ECHOE|ECHOPRT|ECHOCTL);
102  termios_attr.c_iflag &= ~(IXON|IXANY|IXOFF);
103  /*
104  termios_attr.c_cc[VMIN] = itask_VMIN;
105  termios_attr.c_cc[VTIME] = itask_VTIME;
106  */
107  termios_attr.c_cflag |= B1200;
108  termios_attr.c_cflag |= CS8;
109  status = tcsetattr( serial_mouse_fd, TCSANOW, &termios_attr );
110  if (status != 0) {
111    printk("Error setting mouse attributes\n");
112    return RTEMS_IO_ERROR;
113  }
114
115  status = ioctl(serial_mouse_fd, TIOCSETD, &disc);
116  if (status != 0) {
117    printk("Error setting mouse attributes\n");
118    return RTEMS_IO_ERROR;
119  }
120
121  sleep(5);
122  return RTEMS_SUCCESSFUL;
123}
124
125rtems_device_driver serial_mouse_close(
126  rtems_device_major_number  major,
127  rtems_device_minor_number  minor,
128  void                      *arg
129)
130{
131  close( serial_mouse_fd );
132
133  return RTEMS_SUCCESSFUL;
134}
135
136rtems_device_driver serial_mouse_read(
137  rtems_device_major_number  major,
138  rtems_device_minor_number  minor,
139  void                      *arg
140)
141{
142  return RTEMS_SUCCESSFUL;
143}
144
145
146rtems_device_driver serial_mouse_write(
147  rtems_device_major_number  major,
148  rtems_device_minor_number  minor,
149  void                      *arg
150)
151{
152  return RTEMS_SUCCESSFUL;
153}
154
155
156rtems_device_driver serial_mouse_control(
157  rtems_device_major_number  major,
158  rtems_device_minor_number  minor,
159  void                      *arg
160)
161{
162  rtems_libio_ioctl_args_t *args = (rtems_libio_ioctl_args_t *)arg;
163
164  switch( args->command ) {
165
166    case MW_UID_REGISTER_DEVICE:
167      printk( "SerialMouse: reg=%s\n", args->buffer );
168      mouse_parser_initialize( serial_mouse_type );
169      break;
170
171    case MW_UID_UNREGISTER_DEVICE:
172      break;
173
174    default:
175      args->ioctl_return = ioctl(serial_mouse_fd, args->command, args->buffer );
176      if ( !args->ioctl_return )
177        return RTEMS_SUCCESSFUL;
178      return RTEMS_IO_ERROR;
179  }
180  args->ioctl_return = 0;
181  return RTEMS_SUCCESSFUL;
182}
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