SDL 2.0
testrumble.c
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1/*
2 Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
3
4 This software is provided 'as-is', without any express or implied
5 warranty. In no event will the authors be held liable for any damages
6 arising from the use of this software.
7
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
10 freely.
11*/
12/*
13Copyright (c) 2011, Edgar Simo Serra
14All rights reserved.
15
16Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
17
18 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
19 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
20 * Neither the name of the Simple Directmedia Layer (SDL) nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
21
22THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23*/
24
25/*
26 * includes
27 */
28#include <stdlib.h>
29#include <string.h> /* strstr */
30#include <ctype.h> /* isdigit */
31
32#include "SDL.h"
33
34#ifndef SDL_HAPTIC_DISABLED
35
36static SDL_Haptic *haptic;
37
38
39/**
40 * @brief The entry point of this force feedback demo.
41 * @param[in] argc Number of arguments.
42 * @param[in] argv Array of argc arguments.
43 */
44int
45main(int argc, char **argv)
46{
47 int i;
48 char *name;
49 int index;
50
51 /* Enable standard application logging */
53
54 name = NULL;
55 index = -1;
56 if (argc > 1) {
57 size_t l;
58 name = argv[1];
59 if ((strcmp(name, "--help") == 0) || (strcmp(name, "-h") == 0)) {
60 SDL_Log("USAGE: %s [device]\n"
61 "If device is a two-digit number it'll use it as an index, otherwise\n"
62 "it'll use it as if it were part of the device's name.\n",
63 argv[0]);
64 return 0;
65 }
66
67 l = SDL_strlen(name);
68 if ((l < 3) && SDL_isdigit(name[0]) && ((l == 1) || SDL_isdigit(name[1]))) {
70 name = NULL;
71 }
72 }
73
74 /* Initialize the force feedbackness */
77 SDL_Log("%d Haptic devices detected.\n", SDL_NumHaptics());
78 if (SDL_NumHaptics() > 0) {
79 /* We'll just use index or the first force feedback device found */
80 if (name == NULL) {
81 i = (index != -1) ? index : 0;
82 }
83 /* Try to find matching device */
84 else {
85 for (i = 0; i < SDL_NumHaptics(); i++) {
86 if (strstr(SDL_HapticName(i), name) != NULL)
87 break;
88 }
89
90 if (i >= SDL_NumHaptics()) {
91 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to find device matching '%s', aborting.\n",
92 name);
93 return 1;
94 }
95 }
96
98 if (haptic == NULL) {
99 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to create the haptic device: %s\n",
100 SDL_GetError());
101 return 1;
102 }
103 SDL_Log("Device: %s\n", SDL_HapticName(i));
104 } else {
105 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "No Haptic devices found!\n");
106 return 1;
107 }
108
109 /* We only want force feedback errors. */
111
113 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Rumble not supported!\n");
114 return 1;
115 }
116 if (SDL_HapticRumbleInit(haptic) != 0) {
117 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to initialize rumble: %s\n", SDL_GetError());
118 return 1;
119 }
120 SDL_Log("Playing 2 second rumble at 0.5 magnitude.\n");
121 if (SDL_HapticRumblePlay(haptic, 0.5, 5000) != 0) {
122 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to play rumble: %s\n", SDL_GetError() );
123 return 1;
124 }
125 SDL_Delay(2000);
126 SDL_Log("Stopping rumble.\n");
128 SDL_Delay(2000);
129 SDL_Log("Playing 2 second rumble at 0.3 magnitude.\n");
130 if (SDL_HapticRumblePlay(haptic, 0.3f, 5000) != 0) {
131 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to play rumble: %s\n", SDL_GetError() );
132 return 1;
133 }
134 SDL_Delay(2000);
135
136 /* Quit */
137 if (haptic != NULL)
139 SDL_Quit();
140
141 return 0;
142}
143
144#else
145
146int
147main(int argc, char *argv[])
148{
149 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Haptic support.\n");
150 exit(1);
151}
152
153#endif
#define SDL_INIT_TIMER
Definition: SDL.h:77
#define SDL_INIT_JOYSTICK
Definition: SDL.h:80
#define SDL_INIT_HAPTIC
Definition: SDL.h:81
#define SDL_INIT_VIDEO
Definition: SDL.h:79
#define SDL_HapticRumbleSupported
#define SDL_GetError
#define SDL_isdigit
#define SDL_HapticRumbleStop
#define SDL_strlen
#define SDL_HapticRumbleInit
#define SDL_LogSetPriority
#define SDL_ClearError
#define SDL_HapticRumblePlay
#define SDL_LogError
#define SDL_HapticName
#define SDL_HapticClose
#define SDL_Delay
#define SDL_Quit
#define SDL_Init
#define SDL_atoi
#define SDL_Log
#define SDL_HapticOpen
#define SDL_NumHaptics
@ SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
@ SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
GLuint index
GLuint const GLchar * name
@ SDL_FALSE
Definition: SDL_stdinc.h:163
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:167
int main(int argc, char **argv)
The entry point of this force feedback demo.
Definition: testrumble.c:45
static SDL_Haptic * haptic
Definition: testrumble.c:36