SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_GameControllerOpen

Open a game controller for use.

Syntax

SDL_GameController* SDL_GameControllerOpen(int joystick_index);

Function Parameters

joystick_index

the device_index of a device, up to SDL_NumJoysticks()

Return Value

Returns a gamecontroller identifier or NULL if an error occurred; call SDL_GetError() for more information.

Remarks

joystick_index is the same as the device_index passed to SDL_JoystickOpen().

The index passed as an argument refers to the N'th game controller on the system. This index is not the value which will identify this controller in future controller events. The joystick's instance id (SDL_JoystickID) will be used there instead.

Version

This function is available since SDL 2.0.0.

SDL_GameControllerClose
SDL_GameControllerNameForIndex
SDL_IsGameController

CategoryAPI


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