source: mainline/uspace/app/vuhid/life.c

Last change on this file was 09ab0a9a, checked in by Jiri Svoboda <jiri@…>, 7 years ago

Fix vertical spacing with new Ccheck revision.

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/*
2 * Copyright (c) 2011 Vojtech Horky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup usbvirthid
30 * @{
31 */
32/**
33 * @file
34 *
35 */
36#include <errno.h>
37#include <usb/debug.h>
38#include "virthid.h"
39
40void interface_life_live(vuhid_interface_t *iface)
41{
42 vuhid_interface_life_t *data = iface->interface_data;
43 data->data_in_pos = 0;
44 data->data_in_last_pos = (size_t) -1;
45 fibril_usleep(1000 * 1000 * 5);
46 usb_log_debug("%s", data->msg_born);
47 while (data->data_in_pos < data->data_in_count) {
48 fibril_usleep(1000 * data->data_in_pos_change_delay);
49 // FIXME: proper locking
50 data->data_in_pos++;
51 }
52 usb_log_debug("%s", data->msg_die);
53}
54
55errno_t interface_live_on_data_in(vuhid_interface_t *iface,
56 void *buffer, size_t buffer_size, size_t *act_buffer_size)
57{
58 vuhid_interface_life_t *life = iface->interface_data;
59 size_t pos = life->data_in_pos;
60 if (pos >= life->data_in_count) {
61 return EBADCHECKSUM;
62 }
63
64 if (pos == life->data_in_last_pos) {
65 return ENAK;
66 }
67
68 if (buffer_size > iface->in_data_size) {
69 buffer_size = iface->in_data_size;
70 }
71
72 if (act_buffer_size != NULL) {
73 *act_buffer_size = buffer_size;
74 }
75
76 memcpy(buffer, life->data_in + pos * iface->in_data_size, buffer_size);
77 life->data_in_last_pos = pos;
78
79 return EOK;
80}
81
82/** @}
83 */
Note: See TracBrowser for help on using the repository browser.