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XBOXONESParser.cpp
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XBOXONESParser.cpp
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/* Copyright (C) 2020 Kristian Sloth Lauszus. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Kristian Sloth Lauszus
Web : https://lauszus.com
e-mail : lauszus@gmail.com
*/
#include "XBOXONESParser.h"
// To enable serial debugging see "settings.h"
//#define PRINTREPORT // Uncomment to print the report send by the Xbox One S Controller
/** Buttons on the controller */
const uint8_t XBOX_ONE_S_BUTTONS[] PROGMEM = {
UP, // UP
RIGHT, // RIGHT
DOWN, // DOWN
LEFT, // LEFT
0x0E, // VIEW
0x0F, // MENU
0x10, // L3
0x11, // R3
0, 0, // Skip L2 and R2 as these are analog buttons
0x0C, // L1
0x0D, // R1
0x09, // B
0x08, // A
0x0A, // X
0x0B, // Y
0, // XBOX - this is sent in another report
};
enum DPADEnum {
DPAD_OFF = 0x0,
DPAD_UP = 0x1,
DPAD_UP_RIGHT = 0x2,
DPAD_RIGHT = 0x3,
DPAD_RIGHT_DOWN = 0x4,
DPAD_DOWN = 0x5,
DPAD_DOWN_LEFT = 0x6,
DPAD_LEFT = 0x7,
DPAD_LEFT_UP = 0x8,
};
int8_t XBOXONESParser::getButtonIndexXboxOneS(ButtonEnum b) {
const int8_t index = ButtonIndex(b);
if ((uint8_t) index >= (sizeof(XBOX_ONE_S_BUTTONS) / sizeof(XBOX_ONE_S_BUTTONS[0]))) return -1;
return index;
}
bool XBOXONESParser::checkDpad(ButtonEnum b) {
switch (b) {
case UP:
return xboxOneSData.btn.dpad == DPAD_LEFT_UP || xboxOneSData.btn.dpad == DPAD_UP || xboxOneSData.btn.dpad == DPAD_UP_RIGHT;
case RIGHT:
return xboxOneSData.btn.dpad == DPAD_UP_RIGHT || xboxOneSData.btn.dpad == DPAD_RIGHT || xboxOneSData.btn.dpad == DPAD_RIGHT_DOWN;
case DOWN:
return xboxOneSData.btn.dpad == DPAD_RIGHT_DOWN || xboxOneSData.btn.dpad == DPAD_DOWN || xboxOneSData.btn.dpad == DPAD_DOWN_LEFT;
case LEFT:
return xboxOneSData.btn.dpad == DPAD_DOWN_LEFT || xboxOneSData.btn.dpad == DPAD_LEFT || xboxOneSData.btn.dpad == DPAD_LEFT_UP;
default:
return false;
}
}
uint16_t XBOXONESParser::getButtonPress(ButtonEnum b) {
const int8_t index = getButtonIndexXboxOneS(b); if (index < 0) return 0;
if (index == ButtonIndex(L2))
return xboxOneSData.trigger[0];
else if (index == ButtonIndex(R2))
return xboxOneSData.trigger[1];
else if (index <= LEFT) // Dpad
return checkDpad(b);
else if (index == ButtonIndex(XBOX))
return xboxButtonState;
return xboxOneSData.btn.val & (1UL << pgm_read_byte(&XBOX_ONE_S_BUTTONS[index]));
}
bool XBOXONESParser::getButtonClick(ButtonEnum b) {
const int8_t index = getButtonIndexXboxOneS(b); if (index < 0) return 0;
if(index == ButtonIndex(L2)) {
if(L2Clicked) {
L2Clicked = false;
return true;
}
return false;
} else if(index == ButtonIndex(R2)) {
if(R2Clicked) {
R2Clicked = false;
return true;
}
return false;
} else if (index == ButtonIndex(XBOX)) {
bool click = xboxbuttonClickState;
xboxbuttonClickState = 0; // Clear "click" event
return click;
}
uint32_t mask = 1UL << pgm_read_byte(&XBOX_ONE_S_BUTTONS[index]);
bool click = buttonClickState.val & mask;
buttonClickState.val &= ~mask; // Clear "click" event
return click;
}
int16_t XBOXONESParser::getAnalogHat(AnalogHatEnum a) {
return xboxOneSData.hatValue[(uint8_t)a] - 32768; // Convert to signed integer
}
void XBOXONESParser::Parse(uint8_t len, uint8_t *buf) {
if (len > 1 && buf) {
#ifdef PRINTREPORT
Notify(PSTR("\r\n"), 0x80);
for (uint8_t i = 0; i < len; i++) {
D_PrintHex<uint8_t > (buf[i], 0x80);
Notify(PSTR(" "), 0x80);
}
#endif
if (buf[0] == 0x01) // Check report ID
memcpy(&xboxOneSData, buf + 1, min((uint8_t)(len - 1), MFK_CASTUINT8T sizeof(xboxOneSData)));
else if (buf[0] == 0x02) { // This report contains the Xbox button
xboxButtonState = buf[1];
if(xboxButtonState != xboxOldButtonState) {
xboxbuttonClickState = xboxButtonState & ~xboxOldButtonState; // Update click state variable
xboxOldButtonState = xboxButtonState;
}
return;
} else if (buf[0] == 0x04) // Heartbeat
return;
else {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nUnknown report id: "), 0x80);
D_PrintHex<uint8_t > (buf[0], 0x80);
#endif
return;
}
if (xboxOneSData.btn.val != oldButtonState.val) { // Check if anything has changed
buttonClickState.val = xboxOneSData.btn.val & ~oldButtonState.val; // Update click state variable
oldButtonState.val = xboxOneSData.btn.val;
// The DPAD buttons does not set the different bits, but set a value corresponding to the buttons pressed, we will simply set the bits ourself
uint8_t newDpad = 0;
if (checkDpad(UP))
newDpad |= 1 << UP;
if (checkDpad(RIGHT))
newDpad |= 1 << RIGHT;
if (checkDpad(DOWN))
newDpad |= 1 << DOWN;
if (checkDpad(LEFT))
newDpad |= 1 << LEFT;
if (newDpad != oldDpad) {
buttonClickState.dpad = newDpad & ~oldDpad; // Override values
oldDpad = newDpad;
}
}
// Handle click detection for triggers
if(xboxOneSData.trigger[0] != 0 && triggerOld[0] == 0)
L2Clicked = true;
triggerOld[0] = xboxOneSData.trigger[0];
if(xboxOneSData.trigger[1] != 0 && triggerOld[1] == 0)
R2Clicked = true;
triggerOld[1] = xboxOneSData.trigger[1];
}
}
void XBOXONESParser::Reset() {
uint8_t i;
for (i = 0; i < sizeof(xboxOneSData.hatValue) / sizeof(xboxOneSData.hatValue[0]); i++)
xboxOneSData.hatValue[i] = 32768; // Center value
xboxOneSData.btn.val = 0;
oldButtonState.val = 0;
for (i = 0; i < sizeof(xboxOneSData.trigger) / sizeof(xboxOneSData.trigger[0]); i++)
xboxOneSData.trigger[i] = 0;
xboxOneSData.btn.dpad = DPAD_OFF;
oldButtonState.dpad = DPAD_OFF;
buttonClickState.dpad = 0;
oldDpad = 0;
};
void XBOXONESParser::setRumbleOff() {
// See: https://lore.kernel.org/patchwork/patch/973394/
uint8_t buf[8];
buf[0] = 0x0F; // Disable all rumble motors
buf[1] = 0;
buf[2] = 0;
buf[3] = 0;
buf[4] = 0;
buf[5] = 0; // Duration of effect in 10 ms
buf[6] = 0; // Start delay in 10 ms
buf[7] = 0; // Loop count
sendOutputReport(buf, sizeof(buf));
}
void XBOXONESParser::setRumbleOn(uint8_t leftTrigger, uint8_t rightTrigger, uint8_t leftMotor, uint8_t rightMotor) {
// See: https://lore.kernel.org/patchwork/patch/973394/
uint8_t buf[8];
buf[0] = 1 << 3 /* Left trigger */ | 1 << 2 /* Right trigger */ | 1 << 1 /* Left motor */ | 1 << 0 /* Right motor */;
buf[1] = leftTrigger;
buf[2] = rightTrigger;
buf[3] = leftMotor;
buf[4] = rightMotor;
buf[5] = 255; // Duration of effect in 10 ms
buf[6] = 0; // Start delay in 10 ms
buf[7] = 255; // Loop count
sendOutputReport(buf, sizeof(buf));
}