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Added API for sensors on game controllers

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Added support for the PS4 controller gyro and accelerometer on iOS and HIDAPI drivers

Also fixed an issue with the accelerometer on iOS having inverted axes
This commit is contained in:
Sam Lantinga 2020-11-17 10:30:20 -08:00
parent b79e1baa36
commit fcb21aa883
33 changed files with 810 additions and 118 deletions
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15
src/joystick/SDL_sysjoystick.h
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@ -53,6 +53,13 @@ typedef struct _SDL_JoystickTouchpadInfo
SDL_JoystickTouchpadFingerInfo *fingers;
} SDL_JoystickTouchpadInfo;
typedef struct _SDL_JoystickSensorInfo
{
SDL_SensorType type;
SDL_bool enabled;
float data[3]; /* If this needs to expand, update SDL_ControllerSensorEvent */
} SDL_JoystickSensorInfo;
struct _SDL_Joystick
{
SDL_JoystickID instance_id; /* Device instance, monotonically increasing from 0 */
@ -78,6 +85,10 @@ struct _SDL_Joystick
int ntouchpads; /* Number of touchpads on the joystick */
SDL_JoystickTouchpadInfo *touchpads; /* Current touchpad states */
int nsensors; /* Number of sensors on the joystick */
int nsensors_enabled;
SDL_JoystickSensorInfo *sensors;
Uint16 low_frequency_rumble;
Uint16 high_frequency_rumble;
Uint32 rumble_expiration;
@ -94,6 +105,7 @@ struct _SDL_Joystick
SDL_bool is_game_controller;
SDL_bool delayed_guide_button; /* SDL_TRUE if this device has the guide button event delayed */
SDL_JoystickPowerLevel epowerlevel; /* power level of this joystick, SDL_JOYSTICK_POWER_UNKNOWN if not supported */
struct _SDL_JoystickDriver *driver;
struct joystick_hwdata *hwdata; /* Driver dependent information */
@ -154,6 +166,9 @@ typedef struct _SDL_JoystickDriver
SDL_bool (*HasLED)(SDL_Joystick *joystick);
int (*SetLED)(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue);
/* Sensor functionality */
int (*SetSensorsEnabled)(SDL_Joystick *joystick, SDL_bool enabled);
/* Function to update the state of a joystick - called as a device poll.
* This function shouldn't update the joystick structure directly,
* but instead should call SDL_PrivateJoystick*() to deliver events