LIRC libraries
Linux Infrared Remote Control
release.c
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1 /****************************************************************************
2 ** release.c ***************************************************************
3 ****************************************************************************
4 *
5 * Copyright (C) 2007 Christoph Bartelmus (lirc@bartelmus.de)
6 *
7 */
8 
17 #ifdef HAVE_CONFIG_H
18 # include <config.h>
19 #endif
20 
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <sys/time.h>
24 
25 #include "media/lirc.h"
26 
27 #include "lirc/release.h"
28 #include "lirc/receive.h"
29 #include "lirc/lirc_log.h"
30 
31 static const logchannel_t logchannel = LOG_LIB;
32 
33 static struct timeval release_time;
34 static struct ir_remote* release_remote;
35 static struct ir_ncode* release_ncode;
36 static ir_code release_code;
37 static int release_reps;
38 static lirc_t release_gap;
39 
40 static struct ir_remote* release_remote2;
41 static struct ir_ncode* release_ncode2;
42 static ir_code release_code2;
43 
44 static void register_input(void)
45 {
46  struct timeval gap;
47 
48  if (release_remote == NULL)
49  return;
50 
51  timerclear(&gap);
52  gap.tv_usec = release_gap;
53 
54  gettimeofday(&release_time, NULL);
55  timeradd(&release_time, &gap, &release_time);
56 }
57 
58 void register_button_press(struct ir_remote* remote,
59  struct ir_ncode* ncode,
60  ir_code code,
61  int reps)
62 {
63  if (reps == 0 && release_remote != NULL) {
64  release_remote2 = release_remote;
65  release_ncode2 = release_ncode;
66  release_code2 = release_code;
67  }
68 
69  release_remote = remote;
70  release_ncode = ncode;
71  release_code = code;
72  release_reps = reps;
73  /* some additional safety margin */
74  release_gap = upper_limit(remote,
76  - remote->min_gap_length)
77  + receive_timeout(upper_limit(remote,
78  remote->min_gap_length))
79  + 10000;
80  log_trace("release_gap: %lu", release_gap);
81  register_input();
82 }
83 
84 void get_release_data(const char** remote_name,
85  const char** button_name,
86  int* reps)
87 {
88  if (release_remote != NULL) {
89  *remote_name = release_remote->name;
90  *button_name = release_ncode->name;
91  *reps = release_reps;
92  } else {
93  *remote_name = *button_name = "(NULL)";
94  *reps = 0;
95  }
96 }
97 
98 
99 void get_release_time(struct timeval* tv)
100 {
101  *tv = release_time;
102 }
uint64_t ir_code
Denotes an internal coded representation for an IR transmission.
#define log_trace(fmt,...)
Log a trace message.
Definition: lirc_log.h:129
logchannel_t
Log channels used to filter messages.
Definition: lirc_log.h:53
void get_release_data(const char **remote_name, const char **button_name, int *reps)
Get data from saved from last call to register_button_press().
Definition: release.c:84
void register_button_press(struct ir_remote *remote, struct ir_ncode *ncode, ir_code code, int reps)
Set up pending events for given button, including the release_gap.
Definition: release.c:58
void get_release_time(struct timeval *tv)
Get time for last call to register_button_press() if defined, else a noop.
Definition: release.c:99
IR Command, corresponding to one (command defining) line of the configuration file.
char * name
Name of command.
One remote as represented in the configuration file.
lirc_t min_gap_length
how long is the shortest gap
const char * name
name of remote control
lirc_t max_total_signal_length
how long is the longest signal including gap