Function SDL_SetJoystickLED

pub unsafe extern "C" fn SDL_SetJoystickLED(
    joystick: *mut SDL_Joystick,
    red: u8,
    green: u8,
    blue: u8,
) -> bool

Available on crate feature dep_sdl3 only.

Update a joystick’s LED color.

An example of a joystick LED is the light on the back of a PlayStation 4’s DualShock 4 controller.

For joysticks with a single color LED, the maximum of the RGB values will be used as the LED brightness.

Parameters

• joystick: the joystick to update.
• red: the intensity of the red LED.
• green: the intensity of the green LED.
• blue: the intensity of the blue LED.

Return value

Returns true on success or false on failure; call SDL_GetError() for more information.

Availability

This function is available since SDL 3.2.0.