478 lines
17 KiB
C
478 lines
17 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#ifdef SDL_JOYSTICK_HIDAPI
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#include "SDL_events.h"
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#include "SDL_joystick.h"
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#include "SDL_gamecontroller.h"
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#include "../SDL_sysjoystick.h"
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#include "SDL_hidapijoystick_c.h"
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#include "SDL_hidapi_rumble.h"
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#ifdef SDL_JOYSTICK_HIDAPI_LUNA
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/* Define this if you want to log all packets from the controller */
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/*#define DEBUG_LUNA_PROTOCOL*/
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/* Sending rumble on macOS blocks for a long time and eventually fails */
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#if !defined(__MACOS__)
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#define ENABLE_LUNA_BLUETOOTH_RUMBLE
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#endif
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enum
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{
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SDL_CONTROLLER_BUTTON_LUNA_MIC = 15,
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SDL_CONTROLLER_NUM_LUNA_BUTTONS,
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};
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typedef struct {
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Uint8 last_state[USB_PACKET_LENGTH];
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} SDL_DriverLuna_Context;
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static void
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HIDAPI_DriverLuna_RegisterHints(SDL_HintCallback callback, void *userdata)
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{
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SDL_AddHintCallback(SDL_HINT_JOYSTICK_HIDAPI_LUNA, callback, userdata);
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}
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static void
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HIDAPI_DriverLuna_UnregisterHints(SDL_HintCallback callback, void *userdata)
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{
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SDL_DelHintCallback(SDL_HINT_JOYSTICK_HIDAPI_LUNA, callback, userdata);
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}
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static SDL_bool
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HIDAPI_DriverLuna_IsEnabled(void)
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{
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return SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI_LUNA,
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SDL_GetHintBoolean(SDL_HINT_JOYSTICK_HIDAPI,
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SDL_HIDAPI_DEFAULT));
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}
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static SDL_bool
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HIDAPI_DriverLuna_IsSupportedDevice(SDL_HIDAPI_Device *device, const char *name, SDL_GameControllerType type, Uint16 vendor_id, Uint16 product_id, Uint16 version, int interface_number, int interface_class, int interface_subclass, int interface_protocol)
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{
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return (type == SDL_CONTROLLER_TYPE_AMAZON_LUNA) ? SDL_TRUE : SDL_FALSE;
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}
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static SDL_bool
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HIDAPI_DriverLuna_InitDevice(SDL_HIDAPI_Device *device)
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{
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SDL_DriverLuna_Context *ctx;
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ctx = (SDL_DriverLuna_Context *)SDL_calloc(1, sizeof(*ctx));
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if (!ctx) {
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SDL_OutOfMemory();
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return SDL_FALSE;
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}
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device->context = ctx;
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device->type = SDL_CONTROLLER_TYPE_AMAZON_LUNA;
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HIDAPI_SetDeviceName(device, "Amazon Luna Controller");
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return HIDAPI_JoystickConnected(device, NULL);
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}
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static int
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HIDAPI_DriverLuna_GetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id)
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{
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return -1;
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}
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static void
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HIDAPI_DriverLuna_SetDevicePlayerIndex(SDL_HIDAPI_Device *device, SDL_JoystickID instance_id, int player_index)
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{
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}
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static SDL_bool
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HIDAPI_DriverLuna_OpenJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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SDL_DriverLuna_Context *ctx = (SDL_DriverLuna_Context *)device->context;
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SDL_zeroa(ctx->last_state);
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/* Initialize the joystick capabilities */
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joystick->nbuttons = SDL_CONTROLLER_NUM_LUNA_BUTTONS;
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joystick->naxes = SDL_CONTROLLER_AXIS_MAX;
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joystick->epowerlevel = SDL_JOYSTICK_POWER_FULL;
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return SDL_TRUE;
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}
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static int
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HIDAPI_DriverLuna_RumbleJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
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{
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#ifdef ENABLE_LUNA_BLUETOOTH_RUMBLE
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if (device->product_id == BLUETOOTH_PRODUCT_LUNA_CONTROLLER) {
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/* Same packet as on Xbox One controllers connected via Bluetooth */
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Uint8 rumble_packet[] = { 0x03, 0x0F, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xEB };
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/* Magnitude is 1..100 so scale the 16-bit input here */
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rumble_packet[4] = low_frequency_rumble / 655;
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rumble_packet[5] = high_frequency_rumble / 655;
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if (SDL_HIDAPI_SendRumble(device, rumble_packet, sizeof(rumble_packet)) != sizeof(rumble_packet)) {
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return SDL_SetError("Couldn't send rumble packet");
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}
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return 0;
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}
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#endif /* ENABLE_LUNA_BLUETOOTH_RUMBLE */
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/* There is currently no rumble packet over USB */
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return SDL_Unsupported();
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}
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static int
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HIDAPI_DriverLuna_RumbleJoystickTriggers(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble)
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{
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return SDL_Unsupported();
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}
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static Uint32
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HIDAPI_DriverLuna_GetJoystickCapabilities(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
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{
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Uint32 result = 0;
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#ifdef ENABLE_LUNA_BLUETOOTH_RUMBLE
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if (device->product_id == BLUETOOTH_PRODUCT_LUNA_CONTROLLER) {
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result |= SDL_JOYCAP_RUMBLE;
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}
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#endif
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return result;
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}
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static int
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HIDAPI_DriverLuna_SetJoystickLED(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue)
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{
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return SDL_Unsupported();
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}
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static int
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HIDAPI_DriverLuna_SendJoystickEffect(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, const void *data, int size)
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{
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return SDL_Unsupported();
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}
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static int
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HIDAPI_DriverLuna_SetJoystickSensorsEnabled(SDL_HIDAPI_Device *device, SDL_Joystick *joystick, SDL_bool enabled)
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{
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return SDL_Unsupported();
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}
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static void
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HIDAPI_DriverLuna_HandleUSBStatePacket(SDL_Joystick *joystick, SDL_DriverLuna_Context *ctx, Uint8 *data, int size)
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{
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if (ctx->last_state[1] != data[1]) {
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[1] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[1] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[1] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[1] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[1] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[1] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[1] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[1] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
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}
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if (ctx->last_state[2] != data[2]) {
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[2] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LUNA_MIC, (data[2] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[2] & 0x04) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[2] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
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}
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if (ctx->last_state[3] != data[3]) {
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SDL_bool dpad_up = SDL_FALSE;
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SDL_bool dpad_down = SDL_FALSE;
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SDL_bool dpad_left = SDL_FALSE;
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SDL_bool dpad_right = SDL_FALSE;
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switch (data[3] & 0xf) {
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case 0:
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dpad_up = SDL_TRUE;
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break;
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case 1:
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dpad_up = SDL_TRUE;
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dpad_right = SDL_TRUE;
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break;
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case 2:
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dpad_right = SDL_TRUE;
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break;
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case 3:
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dpad_right = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 4:
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dpad_down = SDL_TRUE;
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break;
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case 5:
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dpad_left = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 6:
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dpad_left = SDL_TRUE;
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break;
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case 7:
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dpad_up = SDL_TRUE;
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dpad_left = SDL_TRUE;
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break;
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default:
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break;
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}
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
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}
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#define READ_STICK_AXIS(offset) \
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(data[offset] == 0x7f ? 0 : \
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(Sint16)HIDAPI_RemapVal((float)data[offset], 0x00, 0xff, SDL_MIN_SINT16, SDL_MAX_SINT16))
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{
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Sint16 axis = READ_STICK_AXIS(4);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
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axis = READ_STICK_AXIS(5);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
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axis = READ_STICK_AXIS(6);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
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axis = READ_STICK_AXIS(7);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
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}
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#undef READ_STICK_AXIS
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#define READ_TRIGGER_AXIS(offset) \
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(Sint16)HIDAPI_RemapVal((float)data[offset], 0x00, 0xff, SDL_MIN_SINT16, SDL_MAX_SINT16)
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{
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Sint16 axis = READ_TRIGGER_AXIS(8);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
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axis = READ_TRIGGER_AXIS(9);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
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}
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#undef READ_TRIGGER_AXIS
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SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
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}
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static void
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HIDAPI_DriverLuna_HandleBluetoothStatePacket(SDL_Joystick *joystick, SDL_DriverLuna_Context *ctx, Uint8 *data, int size)
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{
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if (size >= 2 && data[0] == 0x02) {
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/* Home button has dedicated report */
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_GUIDE, (data[1] & 0x1) ? SDL_PRESSED : SDL_RELEASED);
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return;
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}
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if (size >= 2 && data[0] == 0x04) {
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/* Battery level report */
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int level = data[1] * 100 / 0xFF;
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if (level == 0) {
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SDL_PrivateJoystickBatteryLevel(joystick, SDL_JOYSTICK_POWER_EMPTY);
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}
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else if (level <= 20) {
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SDL_PrivateJoystickBatteryLevel(joystick, SDL_JOYSTICK_POWER_LOW);
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}
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else if (level <= 70) {
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SDL_PrivateJoystickBatteryLevel(joystick, SDL_JOYSTICK_POWER_MEDIUM);
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}
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else {
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SDL_PrivateJoystickBatteryLevel(joystick, SDL_JOYSTICK_POWER_FULL);
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}
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return;
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}
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if (size < 17 || data[0] != 0x01) {
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/* We don't know how to handle this report */
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return;
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}
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if (ctx->last_state[13] != data[13]) {
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SDL_bool dpad_up = SDL_FALSE;
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SDL_bool dpad_down = SDL_FALSE;
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SDL_bool dpad_left = SDL_FALSE;
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SDL_bool dpad_right = SDL_FALSE;
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switch (data[13] & 0xf) {
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case 1:
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dpad_up = SDL_TRUE;
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break;
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case 2:
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dpad_up = SDL_TRUE;
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dpad_right = SDL_TRUE;
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break;
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case 3:
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dpad_right = SDL_TRUE;
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break;
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case 4:
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dpad_right = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 5:
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dpad_down = SDL_TRUE;
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break;
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case 6:
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dpad_left = SDL_TRUE;
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dpad_down = SDL_TRUE;
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break;
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case 7:
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dpad_left = SDL_TRUE;
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break;
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case 8:
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dpad_up = SDL_TRUE;
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dpad_left = SDL_TRUE;
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break;
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default:
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break;
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}
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_DOWN, dpad_down);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_UP, dpad_up);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_RIGHT, dpad_right);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_DPAD_LEFT, dpad_left);
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}
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if (ctx->last_state[14] != data[14]) {
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_A, (data[14] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_B, (data[14] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_X, (data[14] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_Y, (data[14] & 0x10) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSHOULDER, (data[14] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER, (data[14] & 0x80) ? SDL_PRESSED : SDL_RELEASED);
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}
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if (ctx->last_state[15] != data[15]) {
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_START, (data[15] & 0x08) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LEFTSTICK, (data[15] & 0x20) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_RIGHTSTICK, (data[15] & 0x40) ? SDL_PRESSED : SDL_RELEASED);
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}
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if (ctx->last_state[16] != data[16]) {
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_BACK, (data[16] & 0x01) ? SDL_PRESSED : SDL_RELEASED);
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SDL_PrivateJoystickButton(joystick, SDL_CONTROLLER_BUTTON_LUNA_MIC, (data[16] & 0x02) ? SDL_PRESSED : SDL_RELEASED);
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}
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#define READ_STICK_AXIS(offset) \
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(data[offset] == 0x7f ? 0 : \
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(Sint16)HIDAPI_RemapVal((float)data[offset], 0x00, 0xff, SDL_MIN_SINT16, SDL_MAX_SINT16))
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{
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Sint16 axis = READ_STICK_AXIS(2);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTX, axis);
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axis = READ_STICK_AXIS(4);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_LEFTY, axis);
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axis = READ_STICK_AXIS(6);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTX, axis);
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axis = READ_STICK_AXIS(8);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_RIGHTY, axis);
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}
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#undef READ_STICK_AXIS
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#define READ_TRIGGER_AXIS(offset) \
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(Sint16)HIDAPI_RemapVal((float)((int)(((data[offset] | (data[offset + 1] << 8)) & 0x3ff) - 0x200)), 0x00 - 0x200, 0x3ff - 0x200, SDL_MIN_SINT16, SDL_MAX_SINT16)
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{
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Sint16 axis = READ_TRIGGER_AXIS(9);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERLEFT, axis);
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axis = READ_TRIGGER_AXIS(11);
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SDL_PrivateJoystickAxis(joystick, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, axis);
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}
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#undef READ_TRIGGER_AXIS
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SDL_memcpy(ctx->last_state, data, SDL_min(size, sizeof(ctx->last_state)));
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}
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static SDL_bool
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HIDAPI_DriverLuna_UpdateDevice(SDL_HIDAPI_Device *device)
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{
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SDL_DriverLuna_Context *ctx = (SDL_DriverLuna_Context *)device->context;
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SDL_Joystick *joystick = NULL;
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Uint8 data[USB_PACKET_LENGTH];
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int size = 0;
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if (device->num_joysticks > 0) {
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joystick = SDL_JoystickFromInstanceID(device->joysticks[0]);
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} else {
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return SDL_FALSE;
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}
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while ((size = SDL_hid_read_timeout(device->dev, data, sizeof(data), 0)) > 0) {
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#ifdef DEBUG_LUNA_PROTOCOL
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HIDAPI_DumpPacket("Amazon Luna packet: size = %d", data, size);
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#endif
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if (!joystick) {
|
|
continue;
|
|
}
|
|
|
|
switch (size) {
|
|
case 10:
|
|
HIDAPI_DriverLuna_HandleUSBStatePacket(joystick, ctx, data, size);
|
|
break;
|
|
default:
|
|
HIDAPI_DriverLuna_HandleBluetoothStatePacket(joystick, ctx, data, size);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (size < 0) {
|
|
/* Read error, device is disconnected */
|
|
HIDAPI_JoystickDisconnected(device, device->joysticks[0]);
|
|
}
|
|
return (size >= 0);
|
|
}
|
|
|
|
static void
|
|
HIDAPI_DriverLuna_CloseJoystick(SDL_HIDAPI_Device *device, SDL_Joystick *joystick)
|
|
{
|
|
}
|
|
|
|
static void
|
|
HIDAPI_DriverLuna_FreeDevice(SDL_HIDAPI_Device *device)
|
|
{
|
|
}
|
|
|
|
SDL_HIDAPI_DeviceDriver SDL_HIDAPI_DriverLuna =
|
|
{
|
|
SDL_HINT_JOYSTICK_HIDAPI_LUNA,
|
|
SDL_TRUE,
|
|
HIDAPI_DriverLuna_RegisterHints,
|
|
HIDAPI_DriverLuna_UnregisterHints,
|
|
HIDAPI_DriverLuna_IsEnabled,
|
|
HIDAPI_DriverLuna_IsSupportedDevice,
|
|
HIDAPI_DriverLuna_InitDevice,
|
|
HIDAPI_DriverLuna_GetDevicePlayerIndex,
|
|
HIDAPI_DriverLuna_SetDevicePlayerIndex,
|
|
HIDAPI_DriverLuna_UpdateDevice,
|
|
HIDAPI_DriverLuna_OpenJoystick,
|
|
HIDAPI_DriverLuna_RumbleJoystick,
|
|
HIDAPI_DriverLuna_RumbleJoystickTriggers,
|
|
HIDAPI_DriverLuna_GetJoystickCapabilities,
|
|
HIDAPI_DriverLuna_SetJoystickLED,
|
|
HIDAPI_DriverLuna_SendJoystickEffect,
|
|
HIDAPI_DriverLuna_SetJoystickSensorsEnabled,
|
|
HIDAPI_DriverLuna_CloseJoystick,
|
|
HIDAPI_DriverLuna_FreeDevice,
|
|
};
|
|
|
|
#endif /* SDL_JOYSTICK_HIDAPI_LUNA */
|
|
|
|
#endif /* SDL_JOYSTICK_HIDAPI */
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|