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Added SDL_GameControllerSendEffect() and SDL_JoystickSendEffect() to allow applications to send custom effects to the PS4 and PS5 controllers

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See testgamecontroller.c for an example of a custom PS5 trigger effect
This commit is contained in:
Sam Lantinga 2021-07-08 13:22:41 -07:00
parent 073cbc40cb
commit d135c0762f
36 changed files with 533 additions and 186 deletions
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122
test/testgamecontroller.c
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@ -61,15 +61,16 @@ static const struct { int x; int y; double angle; } axis_positions[] = {
{375, -20, 0.0}, /* TRIGGERRIGHT */
};
SDL_Window *window = NULL;
SDL_Renderer *screen = NULL;
SDL_bool retval = SDL_FALSE;
SDL_bool done = SDL_FALSE;
SDL_bool set_LED = SDL_FALSE;
SDL_Texture *background_front, *background_back, *button, *axis;
SDL_GameController *gamecontroller;
SDL_GameController **gamecontrollers;
int num_controllers = 0;
static SDL_Window *window = NULL;
static SDL_Renderer *screen = NULL;
static SDL_bool retval = SDL_FALSE;
static SDL_bool done = SDL_FALSE;
static SDL_bool set_LED = SDL_FALSE;
static int trigger_effect = 0;
static SDL_Texture *background_front, *background_back, *button, *axis;
static SDL_GameController *gamecontroller;
static SDL_GameController **gamecontrollers;
static int num_controllers = 0;
static void UpdateWindowTitle()
{
@ -146,6 +147,7 @@ static void AddController(int device_index, SDL_bool verbose)
controllers[num_controllers++] = controller;
gamecontrollers = controllers;
gamecontroller = controller;
trigger_effect = 0;
if (verbose) {
const char *name = SDL_GameControllerName(gamecontroller);
@ -245,6 +247,57 @@ static Uint16 ConvertAxisToRumble(Sint16 axis)
}
}
/* PS5 trigger effect documentation:
https://controllers.fandom.com/wiki/Sony_DualSense#FFB_Trigger_Modes
*/
typedef struct
{
Uint8 ucEnableBits1; /* 0 */
Uint8 ucEnableBits2; /* 1 */
Uint8 ucRumbleRight; /* 2 */
Uint8 ucRumbleLeft; /* 3 */
Uint8 ucHeadphoneVolume; /* 4 */
Uint8 ucSpeakerVolume; /* 5 */
Uint8 ucMicrophoneVolume; /* 6 */
Uint8 ucAudioEnableBits; /* 7 */
Uint8 ucMicLightMode; /* 8 */
Uint8 ucAudioMuteBits; /* 9 */
Uint8 rgucRightTriggerEffect[11]; /* 10 */
Uint8 rgucLeftTriggerEffect[11]; /* 21 */
Uint8 rgucUnknown1[6]; /* 32 */
Uint8 ucLedFlags; /* 38 */
Uint8 rgucUnknown2[2]; /* 39 */
Uint8 ucLedAnim; /* 41 */
Uint8 ucLedBrightness; /* 42 */
Uint8 ucPadLights; /* 43 */
Uint8 ucLedRed; /* 44 */
Uint8 ucLedGreen; /* 45 */
Uint8 ucLedBlue; /* 46 */
} DS5EffectsState_t;
static void CyclePS5TriggerEffect()
{
DS5EffectsState_t state;
Uint8 effects[3][11] =
{
/* Clear trigger effect */
{ 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
/* Constant resistance across entire trigger pull */
{ 0x01, 0, 110, 0, 0, 0, 0, 0, 0, 0, 0 },
/* Resistance and vibration when trigger is pulled */
{ 0x06, 15, 63, 128, 0, 0, 0, 0, 0, 0, 0 },
};
trigger_effect = (trigger_effect + 1) % SDL_arraysize(effects);
SDL_zero(state);
state.ucEnableBits1 |= (0x04 | 0x08); /* Modify right and left trigger effect respectively */
SDL_memcpy(state.rgucRightTriggerEffect, effects[trigger_effect], sizeof(effects[trigger_effect]));
SDL_memcpy(state.rgucLeftTriggerEffect, effects[trigger_effect], sizeof(effects[trigger_effect]));
SDL_GameControllerSendEffect(gamecontroller, &state, sizeof(state));
}
void
loop(void *arg)
{
@ -279,6 +332,8 @@ loop(void *arg)
event.ctouchpad.pressure);
break;
#define VERBOSE_SENSORS
#ifdef VERBOSE_SENSORS
case SDL_CONTROLLERSENSORUPDATE:
SDL_Log("Controller %d sensor %s: %.2f, %.2f, %.2f\n",
event.csensor.which,
@ -288,13 +343,17 @@ loop(void *arg)
event.csensor.data[1],
event.csensor.data[2]);
break;
#endif /* VERBOSE_SENSORS */
#define VERBOSE_AXES
#ifdef VERBOSE_AXES
case SDL_CONTROLLERAXISMOTION:
if (event.caxis.value <= (-SDL_JOYSTICK_AXIS_MAX / 2) || event.caxis.value >= (SDL_JOYSTICK_AXIS_MAX / 2)) {
SetController(event.caxis.which);
}
SDL_Log("Controller %d axis %s changed to %d\n", event.caxis.which, SDL_GameControllerGetStringForAxis((SDL_GameControllerAxis)event.caxis.axis), event.caxis.value);
break;
#endif /* VERBOSE_AXES */
case SDL_CONTROLLERBUTTONDOWN:
case SDL_CONTROLLERBUTTONUP:
@ -302,6 +361,13 @@ loop(void *arg)
SetController(event.cbutton.which);
}
SDL_Log("Controller %d button %s %s\n", event.cbutton.which, SDL_GameControllerGetStringForButton((SDL_GameControllerButton)event.cbutton.button), event.cbutton.state ? "pressed" : "released");
/* Cycle PS5 trigger effects when the microphone button is pressed */
if (event.type == SDL_CONTROLLERBUTTONDOWN &&
event.cbutton.button == SDL_CONTROLLER_BUTTON_MISC1 &&
SDL_GameControllerGetType(gamecontroller) == SDL_CONTROLLER_TYPE_PS5) {
CyclePS5TriggerEffect();
}
break;
case SDL_KEYDOWN:
@ -408,23 +474,25 @@ loop(void *arg)
}
}
/* Update rumble based on trigger state */
{
Sint16 left = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_TRIGGERLEFT);
Sint16 right = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
Uint16 low_frequency_rumble = ConvertAxisToRumble(left);
Uint16 high_frequency_rumble = ConvertAxisToRumble(right);
SDL_GameControllerRumble(gamecontroller, low_frequency_rumble, high_frequency_rumble, 250);
}
if (trigger_effect == 0) {
/* Update rumble based on trigger state */
{
Sint16 left = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_TRIGGERLEFT);
Sint16 right = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
Uint16 low_frequency_rumble = ConvertAxisToRumble(left);
Uint16 high_frequency_rumble = ConvertAxisToRumble(right);
SDL_GameControllerRumble(gamecontroller, low_frequency_rumble, high_frequency_rumble, 250);
}
/* Update trigger rumble based on thumbstick state */
{
Sint16 left = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_LEFTY);
Sint16 right = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_RIGHTY);
Uint16 left_rumble = ConvertAxisToRumble(~left);
Uint16 right_rumble = ConvertAxisToRumble(~right);
/* Update trigger rumble based on thumbstick state */
{
Sint16 left = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_LEFTY);
Sint16 right = SDL_GameControllerGetAxis(gamecontroller, SDL_CONTROLLER_AXIS_RIGHTY);
Uint16 left_rumble = ConvertAxisToRumble(~left);
Uint16 right_rumble = ConvertAxisToRumble(~right);
SDL_GameControllerRumbleTriggers(gamecontroller, left_rumble, right_rumble, 250);
SDL_GameControllerRumbleTriggers(gamecontroller, left_rumble, right_rumble, 250);
}
}
}
@ -577,6 +645,12 @@ main(int argc, char *argv[])
}
#endif
/* Reset trigger state */
if (trigger_effect != 0) {
trigger_effect = -1;
CyclePS5TriggerEffect();
}
SDL_DestroyRenderer(screen);
SDL_DestroyWindow(window);
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_GAMECONTROLLER);