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The Pro Controller, and the pads that pass for one (8BitDo's in Switch mode among them), now give a core their accelerometer and gyroscope, read as SDL reads them: - The sensors' calibration is read from the pad's flash with the stick calibration: the factory's at 0x6020, then the user's origins at 0x8026 where the user calibrated. - Subcommand 0x40 turns the sensors on while a core asks for them and off when it is done, sent from the poll like the player lights. - Each report 0x30 carries three samples; the newest one is kept. The values go out in g and radians a second, on the axes SDL gives them, which are the DualShock 4's, and so on the same axes as winraw's DualShock 4 and DualSense. How it gets there: - Pad handlers can now have set_sensor and sensor ops. - hidraw and winusb route the driver's sensor calls to the slot's handler. - The hid joypad driver passes the frontend's set_sensor_state and get_sensor_input on to its hid driver. - The beside layer sends a hid pad's sensor calls to the hid driver rather than to the joypad driver it stands beside. connect_parity_test checks the calibration reads, the 0x40 commands and the values from a sample.
82 lines
3.5 KiB
C
82 lines
3.5 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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* Copyright (C) 2016-2017 - Andrés Suárez
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HID_DRIVER_H__
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#define HID_DRIVER_H__
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#include "../connect/joypad_connection.h"
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#include "../input_driver.h"
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/* what is 1? */
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#define HID_REPORT_INPUT 1
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#define HID_REPORT_OUTPUT 2
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#define HID_REPORT_FEATURE 3
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#define HID_REPORT_COUNT 4
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/* are there more? */
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/*
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* This is the interface for the HID subsystem.
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*
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* The handle parameter is the pointer returned by init() and stores the implementation
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* state data for the HID driver.
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*/
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struct input_pad_view;
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struct hid_driver
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{
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void *(*init)(void);
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bool (*query_pad)(void *handle, unsigned pad);
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void (*free)(const void *handle);
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int16_t (*button)(void *handle, unsigned pad, uint16_t button);
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int16_t (*state)(void *data, rarch_joypad_info_t *joypad_info,
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const uint16_t *joykeys, const uint32_t *joyaxes, unsigned port);
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void (*get_buttons)(void *handle, unsigned pad, input_bits_t *state);
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int16_t (*axis)(void *handle, unsigned pad, uint32_t axis);
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void (*poll)(void *handle);
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bool (*set_rumble)(void *handle, unsigned pad, enum retro_rumble_effect effect, uint16_t);
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const char *(*name)(void *handle, unsigned pad);
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const char *ident;
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void (*send_control)(void *handle, uint8_t *s, size_t len);
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int32_t (*set_report)(void *handle, uint8_t report_type, uint8_t report_id, uint8_t *data, size_t len);
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int32_t (*get_report)(void *handle, uint8_t report_type, uint8_t report_id, uint8_t *data, size_t len);
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int32_t (*set_idle)(void *handle, uint8_t amount);
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int32_t (*set_protocol)(void *handle, uint8_t protocol);
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int32_t (*read)(void *handle, void *s, size_t len);
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/* as input_device_driver_t's */
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bool (*get_bt_host)(void *handle, unsigned pad, uint8_t *addr);
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bool (*set_bt_host)(void *handle, unsigned pad, const uint8_t *addr);
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/* Whether the device - send_control's handle - is on Bluetooth, for
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* a handler whose reports differ by the way the pad came and which
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* cannot tell it by their length: Windows gives every report at the
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* longest one's length. NULL where the lengths tell. */
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bool (*is_bluetooth)(void *handle);
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/* as input_device_driver_t's: the player @pad's lights are to show */
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void (*set_player)(void *handle, unsigned pad, unsigned player);
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/* as input_device_driver_t's: pad @pad's state, unchanged until the
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* next poll; NULL where it cannot be lent */
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const struct input_pad_view *(*view)(void *handle, unsigned pad);
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/* as input_device_driver_t's: pad @pad's motion sensors; NULL where
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* the driver reads none */
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bool (*set_sensor_state)(void *handle, unsigned pad,
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enum retro_sensor_action action, unsigned rate);
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bool (*get_sensor_input)(void *handle, unsigned pad, unsigned id,
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float *value);
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};
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#endif /* HID_DRIVER_H__ */
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