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RetroArch/input/connect/connect_ps4.c
netux79 bca4ccb155 (GX) Refactor of the Wii USB HID support. Now it's working! 
In order to have a controller working you need:
1) Have a matching HID autoconfig file in autoconfig/hid for your controller.
2) Create a "connect" driver for the pad in "input/connect" folder (source code of RA).
3) Once you are in RA, change the joystick driver to HID and restart.
4) You may be now able to use you USB HID compatible pad in RA.

I included some "connect" drivers as an example. It also need to include them for compilation.
2016-02-04 17:01:03 -05:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2013-2014 - Jason Fetters
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <boolean.h>
#include "../../driver.h"
#include "joypad_connection.h"
enum connect_ps4_dpad_states
{
DPAD_UP = 0x0,
DPAD_UP_RIGHT = 0x1,
DPAD_RIGHT = 0x2,
DPAD_RIGHT_DOWN = 0x3,
DPAD_DOWN = 0x4,
DPAD_DOWN_LEFT = 0x5,
DPAD_LEFT = 0x6,
DPAD_LEFT_UP = 0x7,
DPAD_OFF = 0x8
};
struct ps4buttons
{
#ifdef MSB_FIRST
uint8_t triangle : 1;
uint8_t circle : 1;
uint8_t cross : 1;
uint8_t square : 1;
uint8_t dpad : 4;
uint8_t r3 : 1;
uint8_t l3 : 1;
uint8_t options : 1;
uint8_t share : 1;
uint8_t r2 : 1;
uint8_t l2 : 1;
uint8_t r1 : 1;
uint8_t l1 : 1;
uint8_t reportcounter : 6;
uint8_t touchpad : 1;
uint8_t ps : 1;
#else
uint8_t dpad : 4;
uint8_t square : 1;
uint8_t cross : 1;
uint8_t circle : 1;
uint8_t triangle : 1;
uint8_t l1 : 1;
uint8_t r1 : 1;
uint8_t l2 : 1;
uint8_t r2 : 1;
uint8_t share : 1;
uint8_t options : 1;
uint8_t l3 : 1;
uint8_t r3 : 1;
uint8_t ps : 1;
uint8_t touchpad : 1;
uint8_t reportcounter : 6;
#endif
}__attribute__((packed));
struct ps4
{
uint8_t hatvalue[4];
struct ps4buttons btn;
uint8_t trigger[2];
};
struct hidpad_ps4_data
{
struct pad_connection* connection;
send_control_t send_control;
struct ps4 data;
uint32_t slot;
bool have_led;
uint16_t motors[2];
};
static void hidpad_ps4_send_control(struct hidpad_ps4_data* device)
{
/* TODO: Can this be modified to turn off motion tracking? */
static uint8_t report_buffer[79] = {
0x52, 0x11, 0xB0, 0x00, 0x0F
};
#if 0
uint8_t rgb[4][3] = { { 0xFF, 0, 0 }, { 0, 0xFF, 0 }, { 0, 0, 0xFF }, { 0xFF, 0xFF, 0xFF } };
report_buffer[ 9] = rgb[(device->slot % 4)][0];
report_buffer[10] = rgb[(device->slot % 4)][1];
report_buffer[11] = rgb[(device->slot % 4)][2];
#endif
device->send_control(device->connection,
report_buffer, sizeof(report_buffer));
}
static void* hidpad_ps4_init(void *data, uint32_t slot, send_control_t ptr)
{
#if 0
uint8_t magic_data[0x25];
#endif
struct pad_connection* connection = (struct pad_connection*)data;
struct hidpad_ps4_data* device = (struct hidpad_ps4_data*)
calloc(1, sizeof(struct hidpad_ps4_data));
if (!device)
goto error;
if (!connection)
goto error;
device->connection = connection;
device->slot = slot;
device->send_control = ptr;
#if 0
/* TODO - unsure of this */
/* This is needed to get full input packet over bluetooth. */
device->send_control(device->connection, magic_data, 0x2);
(void)magic_data;
#endif
/* Without this, the digital buttons won't be reported. */
hidpad_ps4_send_control(device);
return device;
error:
if (device)
free(device);
return NULL;
}
static void hidpad_ps4_deinit(void *data)
{
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
if (device)
free(device);
}
static bool hidpad_ps4_check_dpad(struct ps4 *rpt, unsigned id)
{
switch (id)
{
case RETRO_DEVICE_ID_JOYPAD_UP:
return (rpt->btn.dpad == DPAD_LEFT_UP) || (rpt->btn.dpad == DPAD_UP) || (rpt->btn.dpad == DPAD_UP_RIGHT);
case RETRO_DEVICE_ID_JOYPAD_RIGHT:
return (rpt->btn.dpad == DPAD_UP_RIGHT) || (rpt->btn.dpad == DPAD_RIGHT) || (rpt->btn.dpad == DPAD_RIGHT_DOWN);
case RETRO_DEVICE_ID_JOYPAD_DOWN:
return (rpt->btn.dpad == DPAD_RIGHT_DOWN) || (rpt->btn.dpad == DPAD_DOWN) || (rpt->btn.dpad == DPAD_DOWN_LEFT);
case RETRO_DEVICE_ID_JOYPAD_LEFT:
return (rpt->btn.dpad == DPAD_DOWN_LEFT) || (rpt->btn.dpad == DPAD_LEFT) || (rpt->btn.dpad == DPAD_LEFT_UP);
}
return false;
}
static uint64_t hidpad_ps4_get_buttons(void *data)
{
uint64_t buttonstate = 0;
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
struct ps4 *rpt = device ? (struct ps4*)&device->data : NULL;
if (!device || !rpt)
return 0;
buttonstate |= (rpt->btn.r3 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R3) : 0);
buttonstate |= (rpt->btn.l3 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L3) : 0);
buttonstate |= (rpt->btn.options ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_START) : 0);
buttonstate |= (rpt->btn.share ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0);
buttonstate |= (rpt->btn.r2 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R2) : 0);
buttonstate |= (rpt->btn.l2 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L2) : 0);
buttonstate |= (rpt->btn.r1 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R) : 0);
buttonstate |= (rpt->btn.l1 ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L) : 0);
buttonstate |= (rpt->btn.triangle ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_X) : 0);
buttonstate |= (rpt->btn.circle ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_A) : 0);
buttonstate |= (rpt->btn.cross ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_B) : 0);
buttonstate |= (rpt->btn.square ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_Y) : 0);
buttonstate |= ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_LEFT)) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0);
buttonstate |= ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_DOWN)) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0);
buttonstate |= ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_RIGHT)) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0);
buttonstate |= ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_UP)) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_UP) : 0);
buttonstate |= (rpt->btn.ps ? (UINT64_C(1) << RARCH_MENU_TOGGLE) : 0);
return buttonstate;
}
static int16_t hidpad_ps4_get_axis(void *data, unsigned axis)
{
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
struct ps4 *rpt = device ? (struct ps4*)&device->data : NULL;
if (device && (axis < 4))
{
int val = rpt ? rpt->hatvalue[axis] : 0;
val = (val << 8) - 0x8000;
return (abs(val) > 0x1000) ? val : 0;
}
return 0;
}
static void hidpad_ps4_packet_handler(void *data,
uint8_t *packet, uint16_t size)
{
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
if (!device)
return;
#if 0
if (!device->have_led)
{
hidpad_ps4_send_control(device);
device->have_led = true;
}
#endif
memcpy(&device->data, &packet[2], sizeof(struct ps4));
}
static void hidpad_ps4_set_rumble(void *data,
enum retro_rumble_effect effect, uint16_t strength)
{
/* TODO */
#if 0
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
unsigned idx = (effect == RETRO_RUMBLE_STRONG) ? 0 : 1;
if (device && (device->motors[idx] != strength))
{
device->motors[idx] = strength;
hidpad_ps4_send_control(device);
}
#endif
}
pad_connection_interface_t pad_connection_ps4 = {
hidpad_ps4_init,
hidpad_ps4_deinit,
hidpad_ps4_packet_handler,
hidpad_ps4_set_rumble,
hidpad_ps4_get_buttons,
hidpad_ps4_get_axis,
NULL,
};
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