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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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39
src/joystick/linux/SDL_sysjoystick.c
View file

@ -764,7 +764,7 @@ LINUX_JoystickGetDeviceInstanceID(int device_index)
}
static int
allocate_hatdata(SDL_Joystick * joystick)
allocate_hatdata(SDL_Joystick *joystick)
{
int i;
@ -782,7 +782,7 @@ allocate_hatdata(SDL_Joystick * joystick)
}
static int
allocate_balldata(SDL_Joystick * joystick)
allocate_balldata(SDL_Joystick *joystick)
{
int i;
@ -800,7 +800,7 @@ allocate_balldata(SDL_Joystick * joystick)
}
static void
ConfigJoystick(SDL_Joystick * joystick, int fd)
ConfigJoystick(SDL_Joystick *joystick, int fd)
{
int i, t;
unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
@ -926,7 +926,7 @@ ConfigJoystick(SDL_Joystick * joystick, int fd)
It returns 0, or -1 if there is an error.
*/
static int
LINUX_JoystickOpen(SDL_Joystick * joystick, int device_index)
LINUX_JoystickOpen(SDL_Joystick *joystick, int device_index)
{
SDL_joylist_item *item = JoystickByDevIndex(device_index);
@ -985,7 +985,7 @@ LINUX_JoystickOpen(SDL_Joystick * joystick, int device_index)
}
static int
LINUX_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
LINUX_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
{
struct input_event event;
@ -1027,25 +1027,31 @@ LINUX_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint1
}
static int
LINUX_JoystickRumbleTriggers(SDL_Joystick * joystick, Uint16 left_rumble, Uint16 right_rumble)
LINUX_JoystickRumbleTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
{
return SDL_Unsupported();
}
static SDL_bool
LINUX_JoystickHasLED(SDL_Joystick * joystick)
LINUX_JoystickHasLED(SDL_Joystick *joystick)
{
return SDL_FALSE;
}
static int
LINUX_JoystickSetLED(SDL_Joystick * joystick, Uint8 red, Uint8 green, Uint8 blue)
LINUX_JoystickSetLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
{
return SDL_Unsupported();
}
static int
LINUX_JoystickSetSensorsEnabled(SDL_Joystick *joystick, SDL_bool enabled)
{
return SDL_Unsupported();
}
static SDL_INLINE void
HandleHat(SDL_Joystick * stick, Uint8 hat, int axis, int value)
HandleHat(SDL_Joystick *stick, Uint8 hat, int axis, int value)
{
struct hwdata_hat *the_hat;
const Uint8 position_map[3][3] = {
@ -1070,14 +1076,14 @@ HandleHat(SDL_Joystick * stick, Uint8 hat, int axis, int value)
}
static SDL_INLINE void
HandleBall(SDL_Joystick * stick, Uint8 ball, int axis, int value)
HandleBall(SDL_Joystick *stick, Uint8 ball, int axis, int value)
{
stick->hwdata->balls[ball].axis[axis] += value;
}
static SDL_INLINE int
AxisCorrect(SDL_Joystick * joystick, int which, int value)
AxisCorrect(SDL_Joystick *joystick, int which, int value)
{
struct axis_correct *correct;
@ -1106,7 +1112,7 @@ AxisCorrect(SDL_Joystick * joystick, int which, int value)
}
static SDL_INLINE void
PollAllValues(SDL_Joystick * joystick)
PollAllValues(SDL_Joystick *joystick)
{
struct input_absinfo absinfo;
unsigned long keyinfo[NBITS(KEY_MAX)];
@ -1166,7 +1172,7 @@ PollAllValues(SDL_Joystick * joystick)
}
static SDL_INLINE void
HandleInputEvents(SDL_Joystick * joystick)
HandleInputEvents(SDL_Joystick *joystick)
{
struct input_event events[32];
int i, len;
@ -1260,7 +1266,7 @@ HandleInputEvents(SDL_Joystick * joystick)
}
static void
LINUX_JoystickUpdate(SDL_Joystick * joystick)
LINUX_JoystickUpdate(SDL_Joystick *joystick)
{
int i;
@ -1287,7 +1293,7 @@ LINUX_JoystickUpdate(SDL_Joystick * joystick)
/* Function to close a joystick after use */
static void
LINUX_JoystickClose(SDL_Joystick * joystick)
LINUX_JoystickClose(SDL_Joystick *joystick)
{
if (joystick->hwdata) {
if (joystick->hwdata->effect.id >= 0) {
@ -1345,7 +1351,7 @@ LINUX_JoystickQuit(void)
static SDL_bool
LINUX_JoystickGetGamepadMapping(int device_index, SDL_GamepadMapping *out)
{
SDL_Joystick * joystick;
SDL_Joystick *joystick;
joystick = (SDL_Joystick *) SDL_calloc(sizeof(*joystick), 1);
if (joystick == NULL) {
@ -1527,6 +1533,7 @@ SDL_JoystickDriver SDL_LINUX_JoystickDriver =
LINUX_JoystickRumbleTriggers,
LINUX_JoystickHasLED,
LINUX_JoystickSetLED,
LINUX_JoystickSetSensorsEnabled,
LINUX_JoystickUpdate,
LINUX_JoystickClose,
LINUX_JoystickQuit,