testrumble.c
Go to the documentation of this file.
/*
Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/*
Copyright (c) 2011, Edgar Simo Serra
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* 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.
* 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.
THIS 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.
*/
/*
* includes
*/
#include <stdlib.h>
#include <string.h> /* strstr */
#include <ctype.h> /* isdigit */
#include "SDL.h"
#ifndef SDL_HAPTIC_DISABLED
static SDL_Haptic *haptic;
/**
* @brief The entry point of this force feedback demo.
* @param[in] argc Number of arguments.
* @param[in] argv Array of argc arguments.
*/
int
main(int argc, char **argv)
{
int i;
char *name;
int index;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
name = NULL;
index = -1;
if (argc > 1) {
size_t l;
name = argv[1];
if ((strcmp(name, "--help") == 0) || (strcmp(name, "-h") == 0)) {
SDL_Log("USAGE: %s [device]\n"
"If device is a two-digit number it'll use it as an index, otherwise\n"
"it'll use it as if it were part of the device's name.\n",
argv[0]);
return 0;
}
l = SDL_strlen(name);
if ((l < 3) && SDL_isdigit(name[0]) && ((l == 1) || SDL_isdigit(name[1]))) {
index = SDL_atoi(name);
name = NULL;
}
}
/* Initialize the force feedbackness */
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_JOYSTICK |
SDL_INIT_HAPTIC);
SDL_Log("%d Haptic devices detected.\n", SDL_NumHaptics());
if (SDL_NumHaptics() > 0) {
/* We'll just use index or the first force feedback device found */
if (name == NULL) {
i = (index != -1) ? index : 0;
}
/* Try to find matching device */
else {
for (i = 0; i < SDL_NumHaptics(); i++) {
if (strstr(SDL_HapticName(i), name) != NULL)
break;
}
if (i >= SDL_NumHaptics()) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to find device matching '%s', aborting.\n",
name);
return 1;
}
}
haptic = SDL_HapticOpen(i);
if (haptic == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unable to create the haptic device: %s\n",
SDL_GetError());
return 1;
}
SDL_Log("Device: %s\n", SDL_HapticName(i));
} else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "No Haptic devices found!\n");
return 1;
}
/* We only want force feedback errors. */
SDL_ClearError();
if (SDL_HapticRumbleSupported(haptic) == SDL_FALSE) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Rumble not supported!\n");
return 1;
}
if (SDL_HapticRumbleInit(haptic) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to initialize rumble: %s\n", SDL_GetError());
return 1;
}
SDL_Log("Playing 2 second rumble at 0.5 magnitude.\n");
if (SDL_HapticRumblePlay(haptic, 0.5, 5000) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to play rumble: %s\n", SDL_GetError() );
return 1;
}
SDL_Delay(2000);
SDL_Log("Stopping rumble.\n");
SDL_HapticRumbleStop(haptic);
SDL_Delay(2000);
SDL_Log("Playing 2 second rumble at 0.3 magnitude.\n");
if (SDL_HapticRumblePlay(haptic, 0.3f, 5000) != 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed to play rumble: %s\n", SDL_GetError() );
return 1;
}
SDL_Delay(2000);
/* Quit */
if (haptic != NULL)
SDL_HapticClose(haptic);
SDL_Quit();
return 0;
}
#else
int
main(int argc, char *argv[])
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Haptic support.\n");
exit(1);
}
#endif
SDL_ClearError
#define SDL_ClearError
Definition: SDL_dynapi_overrides.h:114
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:113
SDL_INIT_JOYSTICK
#define SDL_INIT_JOYSTICK
Definition: SDL.h:79
SDL_HapticRumbleStop
#define SDL_HapticRumbleStop
Definition: SDL_dynapi_overrides.h:188
SDL_FALSE
Definition: SDL_stdinc.h:141
SDL_HapticOpen
#define SDL_HapticOpen
Definition: SDL_dynapi_overrides.h:161
f
GLfloat f
Definition: SDL_opengl_glext.h:1870
SDL_HapticClose
#define SDL_HapticClose
Definition: SDL_dynapi_overrides.h:168
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
main
int main(int argc, char **argv)
The entry point of this force feedback demo.
Definition: testrumble.c:45
SDL_HapticName
#define SDL_HapticName
Definition: SDL_dynapi_overrides.h:160
SDL_isdigit
#define SDL_isdigit
Definition: SDL_dynapi_overrides.h:382
SDL_Quit
#define SDL_Quit
Definition: SDL_dynapi_overrides.h:58
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDL_atoi
#define SDL_atoi
Definition: SDL_dynapi_overrides.h:410
index
GLuint index
Definition: SDL_opengl_glext.h:660
SDL_Delay
#define SDL_Delay
Definition: SDL_dynapi_overrides.h:486
i
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
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
NULL
#define NULL
Definition: begin_code.h:164
SDL_INIT_TIMER
#define SDL_INIT_TIMER
Definition: SDL.h:76
haptic
static SDL_Haptic * haptic
Definition: testrumble.c:36
SDL_strlen
#define SDL_strlen
Definition: SDL_dynapi_overrides.h:393
SDL_HapticRumbleSupported
#define SDL_HapticRumbleSupported
Definition: SDL_dynapi_overrides.h:185
SDL_NumHaptics
#define SDL_NumHaptics
Definition: SDL_dynapi_overrides.h:159
SDL_HapticRumbleInit
#define SDL_HapticRumbleInit
Definition: SDL_dynapi_overrides.h:186
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:54
SDL_INIT_HAPTIC
#define SDL_INIT_HAPTIC
Definition: SDL.h:80
SDL.h
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:78
SDL_HapticRumblePlay
#define SDL_HapticRumblePlay
Definition: SDL_dynapi_overrides.h:187