mirror of
https://github.com/libretro/RetroArch
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5b37ced196
== DETAILS The current HID implementation assumes a very low-level USB library is being used. This causes a problem on Wii U, because the Cafe OS only exposes a high-level interface. To get these functions exposed to the HID pad drivers, I had to make three changes: 1. I added the legacy "send_control" function to the HID driver interface 2. I modified the signature of pad_connection_pad_init() to send the driver pointer instead of the function pointer 3. I updated the HID pad drivers to keep the pointer to the driver instead of the function pointer, and updated the calls into the send_control function as appropriate 4. I updated the HID drivers to use the new pad init signature == TESTING Untested, in theory it should work without a hitch because at this point all I've done is abstract things a little. I still need to update the HID pad drivers to use the Wii U-specific calls as appropriate.
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2013-2014 - Jason Fetters
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* Copyright (C) 2011-2017 - Daniel De Matteis
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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 _JOYPAD_CONNECTION_H
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#define _JOYPAD_CONNECTION_H
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#include <stdint.h>
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#include <stddef.h>
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#include <libretro.h>
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#include <retro_miscellaneous.h>
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#include "../input_driver.h"
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struct joypad_connection
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{
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bool connected;
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struct pad_connection_interface *iface;
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void* data;
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};
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typedef struct pad_connection_interface
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{
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void* (*init)(void *data, uint32_t slot, hid_driver_t *driver);
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void (*deinit)(void* device);
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void (*packet_handler)(void* device, uint8_t *packet, uint16_t size);
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void (*set_rumble)(void* device, enum retro_rumble_effect effect,
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uint16_t strength);
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void (*get_buttons)(void *data, retro_bits_t *state);
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int16_t (*get_axis)(void *data, unsigned axis);
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const char* (*get_name)(void *data);
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} pad_connection_interface_t;
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typedef struct joypad_connection joypad_connection_t;
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extern pad_connection_interface_t pad_connection_wii;
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extern pad_connection_interface_t pad_connection_wiiupro;
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extern pad_connection_interface_t pad_connection_ps3;
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extern pad_connection_interface_t pad_connection_ps4;
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extern pad_connection_interface_t pad_connection_snesusb;
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extern pad_connection_interface_t pad_connection_nesusb;
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extern pad_connection_interface_t pad_connection_wiiugca;
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extern pad_connection_interface_t pad_connection_ps2adapter;
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extern pad_connection_interface_t pad_connection_psxadapter;
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int32_t pad_connection_pad_init(joypad_connection_t *joyconn,
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const char* name, uint16_t vid, uint16_t pid,
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void *data, hid_driver_t *driver);
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joypad_connection_t *pad_connection_init(unsigned pads);
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void pad_connection_destroy(joypad_connection_t *joyconn);
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void pad_connection_pad_deinit(joypad_connection_t *joyconn,
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uint32_t idx);
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void pad_connection_packet(joypad_connection_t *joyconn,
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uint32_t idx, uint8_t* data, uint32_t length);
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void pad_connection_get_buttons(joypad_connection_t *joyconn,
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unsigned idx, retro_bits_t* state);
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int16_t pad_connection_get_axis(joypad_connection_t *joyconn,
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unsigned idx, unsigned i);
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/* Determine if connected joypad is a hidpad backed device.
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* If false, pad_connection_packet cannot be used */
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bool pad_connection_has_interface(joypad_connection_t *joyconn,
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unsigned idx);
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int pad_connection_find_vacant_pad(joypad_connection_t *joyconn);
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bool pad_connection_rumble(joypad_connection_t *s,
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unsigned pad, enum retro_rumble_effect effect, uint16_t strength);
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const char* pad_connection_get_name(joypad_connection_t *joyconn,
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unsigned idx);
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#endif
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