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RetroArch/input/connect/connect_ps4.c
twinaphex a549805ad8 Fix low-level DS4 pad regression
2020-08-28 18:53:10 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2013-2014 - Jason Fetters
* Copyright (C) 2011-2017 - 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 <retro_environment.h>
#include <retro_miscellaneous.h>
#include <retro_endianness.h>
#include "joypad_connection.h"
#include "../input_defines.h"
#include "../../driver.h"
#include "../common/hid/hid_device_driver.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
};
#if (__STDC_VERSION__ >= 199901L) || defined(__cplusplus)
typedef uint8_t bf_uint8_t;
#else
typedef int bf_uint8_t;
#endif
struct ps4buttons
{
#ifdef MSB_FIRST
bf_uint8_t triangle : 1;
bf_uint8_t circle : 1;
bf_uint8_t cross : 1;
bf_uint8_t square : 1;
bf_uint8_t dpad : 4;
bf_uint8_t r3 : 1;
bf_uint8_t l3 : 1;
bf_uint8_t options : 1;
bf_uint8_t share : 1;
bf_uint8_t r2 : 1;
bf_uint8_t l2 : 1;
bf_uint8_t r1 : 1;
bf_uint8_t l1 : 1;
bf_uint8_t reportcounter : 6;
bf_uint8_t touchpad : 1;
bf_uint8_t ps : 1;
#else
bf_uint8_t dpad : 4;
bf_uint8_t square : 1;
bf_uint8_t cross : 1;
bf_uint8_t circle : 1;
bf_uint8_t triangle : 1;
bf_uint8_t l1 : 1;
bf_uint8_t r1 : 1;
bf_uint8_t l2 : 1;
bf_uint8_t r2 : 1;
bf_uint8_t share : 1;
bf_uint8_t options : 1;
bf_uint8_t l3 : 1;
bf_uint8_t r3 : 1;
bf_uint8_t ps : 1;
bf_uint8_t touchpad : 1;
bf_uint8_t reportcounter : 6;
#endif
}__attribute__((packed));
/* NOTE: This needs to be aligned
* exactly like this, don't change this */
struct ps4
{
uint8_t hatvalue[4];
struct ps4buttons btn;
uint8_t trigger[2];
};
struct hidpad_ps4_data
{
struct pad_connection* connection;
hid_driver_t *driver;
uint32_t slot;
uint16_t motors[2];
struct ps4 data; /* uint8_t alignment */
bool have_led;
};
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->driver->send_control(device->connection,
report_buffer, sizeof(report_buffer));
}
static void* hidpad_ps4_init(void *data, uint32_t slot, hid_driver_t *driver)
{
#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->driver = driver;
#if 0
/* TODO - unsure of this */
/* This is needed to get full input packet over bluetooth. */
device->driver->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 void hidpad_ps4_get_buttons(void *data, input_bits_t* state)
{
struct hidpad_ps4_data *device = (struct hidpad_ps4_data*)data;
struct ps4 *rpt = device ?
(struct ps4*)&device->data : NULL;
if (!device || !rpt)
return;
BIT256_CLEAR_ALL_PTR( state );
if (rpt->btn.r3)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_R3 );
if (rpt->btn.l3)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_L3 );
if (rpt->btn.options)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_START );
if ( rpt->btn.share)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_SELECT );
if ( rpt->btn.r2)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_R2 );
if (rpt->btn.l2)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_L2 );
if (rpt->btn.r1)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_R );
if (rpt->btn.l1)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_L );
if (rpt->btn.triangle)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_X );
if (rpt->btn.circle)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_A );
if (rpt->btn.cross)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_B );
if (rpt->btn.square)
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_Y );
if ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_LEFT)))
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_LEFT );
if ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_DOWN)))
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_DOWN );
if ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_RIGHT)))
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_RIGHT );
if ((hidpad_ps4_check_dpad(rpt, RETRO_DEVICE_ID_JOYPAD_UP)))
BIT256_SET_PTR( state, RETRO_DEVICE_ID_JOYPAD_UP );
if (rpt->btn.ps)
BIT256_SET_PTR( state, RARCH_MENU_TOGGLE );
}
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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