/* 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 }; 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, }; 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) { if (b == L2) return xboxOneSData.trigger[0]; else if (b == R2) return xboxOneSData.trigger[1]; else if (b <= LEFT) // Dpad return checkDpad(b); else if (b == XBOX) return xboxButtonState; return xboxOneSData.btn.val & (1UL << pgm_read_byte(&XBOX_ONE_S_BUTTONS[(uint8_t)b])); } bool XBOXONESParser::getButtonClick(ButtonEnum b) { if(b == L2) { if(L2Clicked) { L2Clicked = false; return true; } return false; } else if(b == R2) { if(R2Clicked) { R2Clicked = false; return true; } return false; } else if (b == XBOX) { bool click = xboxbuttonClickState; xboxbuttonClickState = 0; // Clear "click" event return click; } uint32_t mask = 1UL << pgm_read_byte(&XBOX_ONE_S_BUTTONS[(uint8_t)b]); 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 (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 (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)); }