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pcsx2/plugins/onepad_legacy/state_management.cpp

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/* OnePAD
* Copyright (C) 2016
*
* Based on LilyPad
* Copyright (C) 2002-2014 PCSX2 Dev Team/ChickenLiver
*
* This program 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 Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "state_management.h"
#include "GamePad.h"
// Typical packet response on the bus
static const u8 ConfigExit[7] = {0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const u8 noclue[7] = {0x5A, 0x00, 0x00, 0x02, 0x00, 0x00, 0x5A};
static const u8 setMode[7] = {0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const u8 queryModelDS2[7] = {0x5A, 0x03, 0x02, 0x00, 0x02, 0x01, 0x00};
static const u8 queryModelDS1[7] = {0x5A, 0x01, 0x02, 0x00, 0x02, 0x01, 0x00};
static const u8 queryComb[7] = {0x5A, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00};
static const u8 queryMode[7] = {0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const u8 setNativeMode[7] = {0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5A};
static u8 queryMaskMode[7] = {0x5A, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x5A};
static const u8 queryAct[2][7] = {
{0x5A, 0x00, 0x00, 0x01, 0x02, 0x00, 0x0A},
{0x5A, 0x00, 0x00, 0x01, 0x01, 0x01, 0x14}};
QueryInfo query;
Pad pads[2][4];
int slots[2] = {0, 0};
//////////////////////////////////////////////////////////////////////
// QueryInfo implementation
//////////////////////////////////////////////////////////////////////
void QueryInfo::reset()
{
port = 0;
slot = 0;
lastByte = 1;
currentCommand = 0;
numBytes = 0;
queryDone = 1;
memset(response, 0xF3, sizeof(response));
}
u8 QueryInfo::start_poll(int _port)
{
if (port > 1)
{
reset();
return 0;
}
queryDone = 0;
port = _port;
slot = slots[port];
numBytes = 2;
lastByte = 0;
return 0xFF;
}
//////////////////////////////////////////////////////////////////////
// Pad implementation
//////////////////////////////////////////////////////////////////////
void Pad::set_mode(int _mode)
{
mode = _mode;
#if 0
fprintf(stdout, "OnePad: set new pad mode=");
if (mode == MODE_DIGITAL)
fprintf(stdout, "DIGITAL\n");
else if (mode == MODE_ANALOG)
fprintf(stdout, "ANALOG\n");
else if (mode == MODE_DS2_NATIVE)
fprintf(stdout, "DS2 NATIVE\n");
else
fprintf(stdout, "??? 0x%x\n", mode);
#endif
}
void Pad::set_vibrate(int motor, u8 val)
{
nextVibrate[motor] = val;
}
void Pad::reset_vibrate()
{
set_vibrate(0, 0);
set_vibrate(1, 0);
memset(vibrate, 0xFF, sizeof(vibrate));
vibrate[0] = 0x5A;
}
void Pad::reset()
{
memset(this, 0, sizeof(PadFreezeData));
set_mode(MODE_DIGITAL);
umask[0] = umask[1] = 0xFF;
// Sets up vibrate variable.
reset_vibrate();
}
void Pad::rumble(int port)
{
for (int motor = 0; motor < 2; motor++)
{
// TODO: Probably be better to send all of these at once.
if (nextVibrate[motor] | currentVibrate[motor])
{
currentVibrate[motor] = nextVibrate[motor];
GamePad::DoRumble(motor, port);
}
}
}
void Pad::stop_vibrate_all()
{
// FIXME equivalent ?
for (int port = 0; port < 2; port++)
for (int slot = 0; slot < 4; slot++)
pads[port][slot].reset_vibrate();
}
void Pad::reset_all()
{
for (int port = 0; port < 2; port++)
for (int slot = 0; slot < 4; slot++)
pads[port][slot].reset();
}
void Pad::rumble_all()
{
for (int port = 0; port < 2; port++)
for (int slot = 0; slot < 4; slot++)
pads[port][slot].rumble(port);
}
//////////////////////////////////////////////////////////////////////
// Pad implementation
//////////////////////////////////////////////////////////////////////
inline bool IsDualshock2()
{
// FIXME
#if 0
return config.padConfigs[query.port][query.slot].type == Dualshock2Pad ||
(config.padConfigs[query.port][query.slot].type == GuitarPad && config.GH2);
#else
return true;
#endif
}
u8 pad_start_poll(u8 pad)
{
return query.start_poll(pad - 1);
}
u8 pad_poll(u8 value)
{
if (query.lastByte + 1 >= query.numBytes)
{
return 0;
}
if (query.lastByte && query.queryDone)
{
return query.response[++query.lastByte];
}
Pad *pad = &pads[query.port][query.slot];
if (query.lastByte == 0)
{
query.lastByte++;
query.currentCommand = value;
switch (value)
{
case CMD_CONFIG_MODE:
if (pad->config)
{
// In config mode. Might not actually be leaving it.
query.set_result(ConfigExit);
return 0xF3;
}
// fallthrough on purpose (but I don't know why)
case CMD_READ_DATA_AND_VIBRATE:
{
query.response[2] = 0x5A;
uint16_t buttons = key_status->get(query.port);
query.numBytes = 5;
query.response[3] = (buttons >> 8) & 0xFF;
query.response[4] = (buttons >> 0) & 0xFF;
if (pad->mode != MODE_DIGITAL)
{ // ANALOG || DS2 native
query.numBytes = 9;
query.response[5] = key_status->get(query.port, PAD_R_RIGHT);
query.response[6] = key_status->get(query.port, PAD_R_UP);
query.response[7] = key_status->get(query.port, PAD_L_RIGHT);
query.response[8] = key_status->get(query.port, PAD_L_UP);
if (pad->mode != MODE_ANALOG)
{ // DS2 native
query.numBytes = 21;
query.response[9] = !test_bit(buttons, 13) ? key_status->get(query.port, PAD_RIGHT) : 0;
query.response[10] = !test_bit(buttons, 15) ? key_status->get(query.port, PAD_LEFT) : 0;
query.response[11] = !test_bit(buttons, 12) ? key_status->get(query.port, PAD_UP) : 0;
query.response[12] = !test_bit(buttons, 14) ? key_status->get(query.port, PAD_DOWN) : 0;
query.response[13] = !test_bit(buttons, 4) ? key_status->get(query.port, PAD_TRIANGLE) : 0;
query.response[14] = !test_bit(buttons, 5) ? key_status->get(query.port, PAD_CIRCLE) : 0;
query.response[15] = !test_bit(buttons, 6) ? key_status->get(query.port, PAD_CROSS) : 0;
query.response[16] = !test_bit(buttons, 7) ? key_status->get(query.port, PAD_SQUARE) : 0;
query.response[17] = !test_bit(buttons, 2) ? key_status->get(query.port, PAD_L1) : 0;
query.response[18] = !test_bit(buttons, 3) ? key_status->get(query.port, PAD_R1) : 0;
query.response[19] = !test_bit(buttons, 0) ? key_status->get(query.port, PAD_L2) : 0;
query.response[20] = !test_bit(buttons, 1) ? key_status->get(query.port, PAD_R2) : 0;
}
}
}
query.lastByte = 1;
return pad->mode;
case CMD_SET_VREF_PARAM:
query.set_final_result(noclue);
break;
case CMD_QUERY_DS2_ANALOG_MODE:
// Right? Wrong? No clue.
if (pad->mode == MODE_DIGITAL)
{
queryMaskMode[1] = queryMaskMode[2] = queryMaskMode[3] = 0;
queryMaskMode[6] = 0x00;
}
else
{
queryMaskMode[1] = pad->umask[0];
queryMaskMode[2] = pad->umask[1];
queryMaskMode[3] = 0x03;
// Not entirely sure about this.
//queryMaskMode[3] = 0x01 | (pad->mode == MODE_DS2_NATIVE)*2;
queryMaskMode[6] = 0x5A;
}
query.set_final_result(queryMaskMode);
break;
case CMD_SET_MODE_AND_LOCK:
query.set_result(setMode);
pad->reset_vibrate();
break;
case CMD_QUERY_MODEL_AND_MODE:
if (IsDualshock2())
{
query.set_final_result(queryModelDS2);
}
else
{
query.set_final_result(queryModelDS1);
}
// Not digital mode.
query.response[5] = (pad->mode & 0xF) != 1;
break;
case CMD_QUERY_ACT:
query.set_result(queryAct[0]);
break;
case CMD_QUERY_COMB:
query.set_final_result(queryComb);
break;
case CMD_QUERY_MODE:
query.set_result(queryMode);
break;
case CMD_VIBRATION_TOGGLE:
memcpy(query.response + 2, pad->vibrate, 7);
query.numBytes = 9;
//query.set_result(pad->vibrate); // warning copy 7b not 8 (but it is really important?)
pad->reset_vibrate();
break;
case CMD_SET_DS2_NATIVE_MODE:
if (IsDualshock2())
{
query.set_result(setNativeMode);
}
else
{
query.set_final_result(setNativeMode);
}
break;
default:
query.numBytes = 0;
query.queryDone = 1;
break;
}
return 0xF3;
}
else
{
query.lastByte++;
switch (query.currentCommand)
{
case CMD_READ_DATA_AND_VIBRATE:
if (query.lastByte == pad->vibrateI[0])
pad->set_vibrate(1, 255 * (value & 1));
else if (query.lastByte == pad->vibrateI[1])
pad->set_vibrate(0, value);
break;
case CMD_CONFIG_MODE:
if (query.lastByte == 3)
{
query.queryDone = 1;
pad->config = value;
}
break;
case CMD_SET_MODE_AND_LOCK:
if (query.lastByte == 3 && value < 2)
{
pad->set_mode(value ? MODE_ANALOG : MODE_DIGITAL);
}
else if (query.lastByte == 4)
{
if (value == 3)
pad->modeLock = 3;
else
pad->modeLock = 0;
query.queryDone = 1;
}
break;
case CMD_QUERY_ACT:
if (query.lastByte == 3)
{
if (value < 2)
query.set_result(queryAct[value]);
// bunch of 0's
// else query.set_result(setMode);
query.queryDone = 1;
}
break;
case CMD_QUERY_MODE:
if (query.lastByte == 3 && value < 2)
{
query.response[6] = 4 + value * 3;
query.queryDone = 1;
}
// bunch of 0's
//else data = setMode;
break;
case CMD_VIBRATION_TOGGLE:
if (query.lastByte >= 3)
{
if (value == 0)
{
pad->vibrateI[0] = (u8)query.lastByte;
}
else if (value == 1)
{
pad->vibrateI[1] = (u8)query.lastByte;
}
pad->vibrate[query.lastByte - 2] = value;
}
break;
case CMD_SET_DS2_NATIVE_MODE:
if (query.lastByte == 3 || query.lastByte == 4)
{
pad->umask[query.lastByte - 3] = value;
}
else if (query.lastByte == 5)
{
if (!(value & 1))
pad->set_mode(MODE_DIGITAL);
else if (!(value & 2))
pad->set_mode(MODE_ANALOG);
else
pad->set_mode(MODE_DS2_NATIVE);
}
break;
default:
return 0;
}
return query.response[query.lastByte];
}
}
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