mirror of
https://github.com/raphnet/gc_n64_usb-v3
synced 2024-11-16 06:05:00 -05:00
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
//
|
|
// gcc sdl-fftest.c `sdl2-config --libs --cflags` -o sdl-fftest
|
|
//
|
|
//
|
|
#include "SDL.h"
|
|
|
|
int test_haptic( SDL_Joystick * joystick ) {
|
|
SDL_Haptic *haptic;
|
|
SDL_HapticEffect effect;
|
|
int effect_id;
|
|
|
|
// Open the device
|
|
haptic = SDL_HapticOpenFromJoystick( joystick );
|
|
if (haptic == NULL) return -1; // Most likely joystick isn't haptic
|
|
|
|
// See if it can do sine waves
|
|
if ((SDL_HapticQuery(haptic) & SDL_HAPTIC_SINE)==0) {
|
|
SDL_HapticClose(haptic); // No sine effect
|
|
return -1;
|
|
}
|
|
|
|
// Create the effect
|
|
memset( &effect, 0, sizeof(SDL_HapticEffect) ); // 0 is safe default
|
|
effect.type = SDL_HAPTIC_SINE;
|
|
effect.periodic.direction.type = SDL_HAPTIC_POLAR; // Polar coordinates
|
|
effect.periodic.direction.dir[0] = 18000; // Force comes from south
|
|
effect.periodic.period = 1000; // 1000 ms
|
|
effect.periodic.magnitude = 20000; // 20000/32767 strength
|
|
effect.periodic.length = 5000; // 5 seconds long
|
|
effect.periodic.attack_length = 1000; // Takes 1 second to get max strength
|
|
effect.periodic.fade_length = 1000; // Takes 1 second to fade away
|
|
|
|
// Upload the effect
|
|
effect_id = SDL_HapticNewEffect( haptic, &effect );
|
|
|
|
// Test the effect
|
|
SDL_HapticRunEffect( haptic, effect_id, 1 );
|
|
SDL_Delay( 5000); // Wait for the effect to finish
|
|
|
|
// We destroy the effect, although closing the device also does this
|
|
SDL_HapticDestroyEffect( haptic, effect_id );
|
|
|
|
// Close the device
|
|
SDL_HapticClose(haptic);
|
|
|
|
return 0; // Success
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
SDL_Joystick *joy;
|
|
|
|
if (SDL_Init(SDL_INIT_JOYSTICK|SDL_INIT_HAPTIC) != 0) {
|
|
fprintf(stderr, "error: %s\n", SDL_GetError());
|
|
return 1;
|
|
}
|
|
|
|
if (SDL_NumJoysticks() < 0) {
|
|
fprintf(stderr, "No joystick\n");
|
|
return 1;
|
|
}
|
|
|
|
joy = SDL_JoystickOpen(0);
|
|
if (joy) {
|
|
printf("Opened Joystick 0\n");
|
|
printf("Name: %s\n", SDL_JoystickNameForIndex(0));
|
|
printf("Number of Axes: %d\n", SDL_JoystickNumAxes(joy));
|
|
printf("Number of Buttons: %d\n", SDL_JoystickNumButtons(joy));
|
|
printf("Number of Balls: %d\n", SDL_JoystickNumBalls(joy));
|
|
} else {
|
|
printf("Couldn't open Joystick 0\n");
|
|
}
|
|
|
|
test_haptic(joy);
|
|
|
|
SDL_Quit();
|
|
}
|