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switch: add joystick rumble support (#54)

This commit is contained in:
Cpasjuste 2020-05-19 13:17:58 +02:00 committed by Dave Murphy
parent 911c2b2833
commit 2350060886
1 changed files with 23 additions and 2 deletions
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25
src/joystick/switch/SDL_sysjoystick.c
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@ -37,6 +37,8 @@ typedef struct JoystickState
JoystickPosition l_pos;
JoystickPosition r_pos;
u64 buttons;
u32 vibrationDeviceHandles[2][2];
HidVibrationValue vibrationValues[2];
} JoystickState;
/* Current pad state */
@ -69,6 +71,12 @@ SWITCH_JoystickInit(void)
{
for (int i = 0; i < JOYSTICK_COUNT; i++) {
pad[i].id = pad_id[i];
hidInitializeVibrationDevices(pad[i].vibrationDeviceHandles[0], 2, CONTROLLER_HANDHELD, TYPE_HANDHELD);
if(pad[i].id == CONTROLLER_P1_AUTO) {
hidInitializeVibrationDevices(pad[i].vibrationDeviceHandles[1], 2, CONTROLLER_PLAYER_1, TYPE_HANDHELD);
} else {
hidInitializeVibrationDevices(pad[i].vibrationDeviceHandles[1], 2, pad[i].id, TYPE_JOYCON_PAIR);
}
}
return JOYSTICK_COUNT;
@ -140,8 +148,21 @@ SWITCH_JoystickOpen(SDL_Joystick *joystick, int device_index)
static int
SWITCH_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
{
// TODO
return SDL_Unsupported();
int target_device = 0;
int id = joystick->instance_id;
if (!hidGetHandheldMode()) {
target_device = 1;
}
pad[id].vibrationValues[0].amp_low = pad[id].vibrationValues[0].amp_high = low_frequency_rumble == 0 ? 0.0f : 320.0f;
pad[id].vibrationValues[0].freq_low = low_frequency_rumble == 0 ? 160.0f : (float) low_frequency_rumble / 204;
pad[id].vibrationValues[0].freq_high = high_frequency_rumble == 0 ? 320.0f : (float) high_frequency_rumble / 204;
memcpy(&pad[id].vibrationValues[1], &pad[id].vibrationValues[0], sizeof(HidVibrationValue));
hidSendVibrationValues(pad[id].vibrationDeviceHandles[target_device], pad[id].vibrationValues, 2);
return 0;
}
/* Function to update the state of a joystick - called as a device poll.