tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/XBOXUSB.cpp

   1 /* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved.
   2
   3  This software may be distributed and modified under the terms of the GNU
   4  General Public License version 2 (GPL2) as published by the Free Software
   5  Foundation and appearing in the file GPL2.TXT included in the packaging of
   6  this file. Please note that GPL2 Section 2[b] requires that all works based
   7  on this software must also be made publicly available under the terms of
   8  the GPL2 ("Copyleft").
   9
  10  Contact information
  11  -------------------
  12
  13  Kristian Lauszus, TKJ Electronics
  14  Web      :  http://www.tkjelectronics.com
  15  e-mail   :  kristianl@tkjelectronics.com
  16  */
  17
  18 #include "XBOXUSB.h"
  19 // To enable serial debugging see "settings.h"
  20 //#define EXTRADEBUG // Uncomment to get even more debugging data
  21 //#define PRINTREPORT // Uncomment to print the report send by the Xbox 360 Controller
  22
  23 XBOXUSB::XBOXUSB(USB *p) :
  24 pUsb(p), // pointer to USB class instance - mandatory
  25 bAddress(0), // device address - mandatory
  26 bPollEnable(false) { // don't start polling before dongle is connected
  27         for(uint8_t i = 0; i < XBOX_MAX_ENDPOINTS; i++) {
  28                 epInfo[i].epAddr = 0;
  29                 epInfo[i].maxPktSize = (i) ? 0 : 8;
  30                 epInfo[i].epAttribs = 0;
  31                 epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
  32         }
  33
  34         if(pUsb) // register in USB subsystem
  35                 pUsb->RegisterDeviceClass(this); //set devConfig[] entry
  36 }
  37
  38 uint8_t XBOXUSB::Init(uint8_t parent, uint8_t port, bool lowspeed) {
  39         uint8_t buf[sizeof (USB_DEVICE_DESCRIPTOR)];
  40         USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
  41         uint8_t rcode;
  42         UsbDevice *p = NULL;
  43         EpInfo *oldep_ptr = NULL;
  44         uint16_t PID;
  45         uint16_t VID;
  46
  47         // get memory address of USB device address pool
  48         AddressPool &addrPool = pUsb->GetAddressPool();
  49 #ifdef EXTRADEBUG
  50         Notify(PSTR("\r\nXBOXUSB Init"), 0x80);
  51 #endif
  52         // check if address has already been assigned to an instance
  53         if(bAddress) {
  54 #ifdef DEBUG_USB_HOST
  55                 Notify(PSTR("\r\nAddress in use"), 0x80);
  56 #endif
  57                 return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
  58         }
  59
  60         // Get pointer to pseudo device with address 0 assigned
  61         p = addrPool.GetUsbDevicePtr(0);
  62
  63         if(!p) {
  64 #ifdef DEBUG_USB_HOST
  65                 Notify(PSTR("\r\nAddress not found"), 0x80);
  66 #endif
  67                 return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
  68         }
  69
  70         if(!p->epinfo) {
  71 #ifdef DEBUG_USB_HOST
  72                 Notify(PSTR("\r\nepinfo is null"), 0x80);
  73 #endif
  74                 return USB_ERROR_EPINFO_IS_NULL;
  75         }
  76
  77         // Save old pointer to EP_RECORD of address 0
  78         oldep_ptr = p->epinfo;
  79
  80         // Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
  81         p->epinfo = epInfo;
  82
  83         p->lowspeed = lowspeed;
  84
  85         // Get device descriptor
  86         rcode = pUsb->getDevDescr(0, 0, sizeof (USB_DEVICE_DESCRIPTOR), (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data
  87         // Restore p->epinfo
  88         p->epinfo = oldep_ptr;
  89
  90         if(rcode)
  91                 goto FailGetDevDescr;
  92
  93         VID = udd->idVendor;
  94         PID = udd->idProduct;
  95
  96         if(VID != XBOX_VID && VID != MADCATZ_VID && VID != JOYTECH_VID && VID != GAMESTOP_VID) // Check VID
  97                 goto FailUnknownDevice;
  98         if(PID == XBOX_WIRELESS_PID) {
  99 #ifdef DEBUG_USB_HOST
 100                 Notify(PSTR("\r\nYou have plugged in a wireless Xbox 360 controller - it doesn't support USB communication"), 0x80);
 101 #endif
 102                 goto FailUnknownDevice;
 103         } else if(PID == XBOX_WIRELESS_RECEIVER_PID || PID == XBOX_WIRELESS_RECEIVER_THIRD_PARTY_PID) {
 104 #ifdef DEBUG_USB_HOST
 105                 Notify(PSTR("\r\nThis library only supports Xbox 360 controllers via USB"), 0x80);
 106 #endif
 107                 goto FailUnknownDevice;
 108         } else if(PID != XBOX_WIRED_PID && PID != MADCATZ_WIRED_PID && PID != GAMESTOP_WIRED_PID && PID != AFTERGLOW_WIRED_PID && PID != JOYTECH_WIRED_PID) // Check PID
 109                 goto FailUnknownDevice;
 110
 111         // Allocate new address according to device class
 112         bAddress = addrPool.AllocAddress(parent, false, port);
 113
 114         if(!bAddress)
 115                 return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
 116
 117         // Extract Max Packet Size from device descriptor
 118         epInfo[0].maxPktSize = udd->bMaxPacketSize0;
 119
 120         // Assign new address to the device
 121         rcode = pUsb->setAddr(0, 0, bAddress);
 122         if(rcode) {
 123                 p->lowspeed = false;
 124                 addrPool.FreeAddress(bAddress);
 125                 bAddress = 0;
 126 #ifdef DEBUG_USB_HOST
 127                 Notify(PSTR("\r\nsetAddr: "), 0x80);
 128                 D_PrintHex<uint8_t > (rcode, 0x80);
 129 #endif
 130                 return rcode;
 131         }
 132 #ifdef EXTRADEBUG
 133         Notify(PSTR("\r\nAddr: "), 0x80);
 134         D_PrintHex<uint8_t > (bAddress, 0x80);
 135 #endif
 136         //delay(300); // Spec says you should wait at least 200ms
 137
 138         p->lowspeed = false;
 139
 140         //get pointer to assigned address record
 141         p = addrPool.GetUsbDevicePtr(bAddress);
 142         if(!p)
 143                 return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
 144
 145         p->lowspeed = lowspeed;
 146
 147         // Assign epInfo to epinfo pointer - only EP0 is known
 148         rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
 149         if(rcode)
 150                 goto FailSetDevTblEntry;
 151
 152         /* The application will work in reduced host mode, so we can save program and data
 153            memory space. After verifying the VID we will use known values for the
 154            configuration values for device, interface, endpoints and HID for the XBOX360 Controllers */
 155
 156         /* Initialize data structures for endpoints of device */
 157         epInfo[ XBOX_INPUT_PIPE ].epAddr = 0x01; // XBOX 360 report endpoint
 158         epInfo[ XBOX_INPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
 159         epInfo[ XBOX_INPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
 160         epInfo[ XBOX_INPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
 161         epInfo[ XBOX_INPUT_PIPE ].bmSndToggle = 0;
 162         epInfo[ XBOX_INPUT_PIPE ].bmRcvToggle = 0;
 163         epInfo[ XBOX_OUTPUT_PIPE ].epAddr = 0x02; // XBOX 360 output endpoint
 164         epInfo[ XBOX_OUTPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
 165         epInfo[ XBOX_OUTPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
 166         epInfo[ XBOX_OUTPUT_PIPE ].maxPktSize = EP_MAXPKTSIZE;
 167         epInfo[ XBOX_OUTPUT_PIPE ].bmSndToggle = 0;
 168         epInfo[ XBOX_OUTPUT_PIPE ].bmRcvToggle = 0;
 169
 170         rcode = pUsb->setEpInfoEntry(bAddress, 3, epInfo);
 171         if(rcode)
 172                 goto FailSetDevTblEntry;
 173
 174         delay(200); // Give time for address change
 175
 176         rcode = pUsb->setConf(bAddress, epInfo[ XBOX_CONTROL_PIPE ].epAddr, 1);
 177         if(rcode)
 178                 goto FailSetConfDescr;
 179
 180 #ifdef DEBUG_USB_HOST
 181         Notify(PSTR("\r\nXbox 360 Controller Connected\r\n"), 0x80);
 182 #endif
 183         onInit();
 184         Xbox360Connected = true;
 185         bPollEnable = true;
 186         return 0; // Successful configuration
 187
 188         /* Diagnostic messages */
 189 FailGetDevDescr:
 190 #ifdef DEBUG_USB_HOST
 191         NotifyFailGetDevDescr();
 192         goto Fail;
 193 #endif
 194
 195 FailSetDevTblEntry:
 196 #ifdef DEBUG_USB_HOST
 197         NotifyFailSetDevTblEntry();
 198         goto Fail;
 199 #endif
 200
 201 FailSetConfDescr:
 202 #ifdef DEBUG_USB_HOST
 203         NotifyFailSetConfDescr();
 204 #endif
 205         goto Fail;
 206
 207 FailUnknownDevice:
 208 #ifdef DEBUG_USB_HOST
 209         NotifyFailUnknownDevice(VID, PID);
 210 #endif
 211         rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
 212
 213 Fail:
 214 #ifdef DEBUG_USB_HOST
 215         Notify(PSTR("\r\nXbox 360 Init Failed, error code: "), 0x80);
 216         NotifyFail(rcode);
 217 #endif
 218         Release();
 219         return rcode;
 220 }
 221
 222 /* Performs a cleanup after failed Init() attempt */
 223 uint8_t XBOXUSB::Release() {
 224         Xbox360Connected = false;
 225         pUsb->GetAddressPool().FreeAddress(bAddress);
 226         bAddress = 0;
 227         bPollEnable = false;
 228         return 0;
 229 }
 230
 231 uint8_t XBOXUSB::Poll() {
 232         if(!bPollEnable)
 233                 return 0;
 234         uint16_t BUFFER_SIZE = EP_MAXPKTSIZE;
 235         pUsb->inTransfer(bAddress, epInfo[ XBOX_INPUT_PIPE ].epAddr, &BUFFER_SIZE, readBuf); // input on endpoint 1
 236         readReport();
 237 #ifdef PRINTREPORT
 238         printReport(); // Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
 239 #endif
 240         return 0;
 241 }
 242
 243 void XBOXUSB::readReport() {
 244         if(readBuf == NULL)
 245                 return;
 246         if(readBuf[0] != 0x00 || readBuf[1] != 0x14) { // Check if it's the correct report - the controller also sends different status reports
 247                 return;
 248         }
 249
 250         ButtonState = (uint32_t)(readBuf[5] | ((uint16_t)readBuf[4] << 8) | ((uint32_t)readBuf[3] << 16) | ((uint32_t)readBuf[2] << 24));
 251
 252         hatValue[LeftHatX] = (int16_t)(((uint16_t)readBuf[7] << 8) | readBuf[6]);
 253         hatValue[LeftHatY] = (int16_t)(((uint16_t)readBuf[9] << 8) | readBuf[8]);
 254         hatValue[RightHatX] = (int16_t)(((uint16_t)readBuf[11] << 8) | readBuf[10]);
 255         hatValue[RightHatY] = (int16_t)(((uint16_t)readBuf[13] << 8) | readBuf[12]);
 256
 257         //Notify(PSTR("\r\nButtonState"), 0x80);
 258         //PrintHex<uint32_t>(ButtonState, 0x80);
 259
 260         if(ButtonState != OldButtonState) {
 261                 ButtonClickState = (ButtonState >> 16) & ((~OldButtonState) >> 16); // Update click state variable, but don't include the two trigger buttons L2 and R2
 262                 if(((uint8_t)OldButtonState) == 0 && ((uint8_t)ButtonState) != 0) // The L2 and R2 buttons are special as they are analog buttons
 263                         R2Clicked = true;
 264                 if((uint8_t)(OldButtonState >> 8) == 0 && (uint8_t)(ButtonState >> 8) != 0)
 265                         L2Clicked = true;
 266                 OldButtonState = ButtonState;
 267         }
 268 }
 269
 270 void XBOXUSB::printReport() { //Uncomment "#define PRINTREPORT" to print the report send by the Xbox 360 Controller
 271 #ifdef PRINTREPORT
 272         if(readBuf == NULL)
 273                 return;
 274         for(uint8_t i = 0; i < XBOX_REPORT_BUFFER_SIZE; i++) {
 275                 D_PrintHex<uint8_t > (readBuf[i], 0x80);
 276                 Notify(PSTR(" "), 0x80);
 277         }
 278         Notify(PSTR("\r\n"), 0x80);
 279 #endif
 280 }
 281
 282 uint8_t XBOXUSB::getButtonPress(ButtonEnum b) {
 283         if(b == L2) // These are analog buttons
 284                 return (uint8_t)(ButtonState >> 8);
 285         else if(b == R2)
 286                 return (uint8_t)ButtonState;
 287         return (bool)(ButtonState & ((uint32_t)pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]) << 16));
 288 }
 289
 290 bool XBOXUSB::getButtonClick(ButtonEnum b) {
 291         if(b == L2) {
 292                 if(L2Clicked) {
 293                         L2Clicked = false;
 294                         return true;
 295                 }
 296                 return false;
 297         } else if(b == R2) {
 298                 if(R2Clicked) {
 299                         R2Clicked = false;
 300                         return true;
 301                 }
 302                 return false;
 303         }
 304         uint16_t button = pgm_read_word(&XBOX_BUTTONS[(uint8_t)b]);
 305         bool click = (ButtonClickState & button);
 306         ButtonClickState &= ~button; // clear "click" event
 307         return click;
 308 }
 309
 310 int16_t XBOXUSB::getAnalogHat(AnalogHatEnum a) {
 311         return hatValue[a];
 312 }
 313
 314 /* Xbox Controller commands */
 315 void XBOXUSB::XboxCommand(uint8_t* data, uint16_t nbytes) {
 316         //bmRequest = Host to device (0x00) | Class (0x20) | Interface (0x01) = 0x21, bRequest = Set Report (0x09), Report ID (0x00), Report Type (Output 0x02), interface (0x00), datalength, datalength, data)
 317         pUsb->ctrlReq(bAddress, epInfo[XBOX_CONTROL_PIPE].epAddr, bmREQ_HID_OUT, HID_REQUEST_SET_REPORT, 0x00, 0x02, 0x00, nbytes, nbytes, data, NULL);
 318 }
 319
 320 void XBOXUSB::setLedRaw(uint8_t value) {
 321         writeBuf[0] = 0x01;
 322         writeBuf[1] = 0x03;
 323         writeBuf[2] = value;
 324
 325         XboxCommand(writeBuf, 3);
 326 }
 327
 328 void XBOXUSB::setLedOn(LEDEnum led) {
 329         if(led == OFF)
 330                 setLedRaw(0);
 331         else if(led != ALL) // All LEDs can't be on a the same time
 332                 setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]) + 4);
 333 }
 334
 335 void XBOXUSB::setLedBlink(LEDEnum led) {
 336         setLedRaw(pgm_read_byte(&XBOX_LEDS[(uint8_t)led]));
 337 }
 338
 339 void XBOXUSB::setLedMode(LEDModeEnum ledMode) { // This function is used to do some special LED stuff the controller supports
 340         setLedRaw((uint8_t)ledMode);
 341 }
 342
 343 void XBOXUSB::setRumbleOn(uint8_t lValue, uint8_t rValue) {
 344         writeBuf[0] = 0x00;
 345         writeBuf[1] = 0x08;
 346         writeBuf[2] = 0x00;
 347         writeBuf[3] = lValue; // big weight
 348         writeBuf[4] = rValue; // small weight
 349         writeBuf[5] = 0x00;
 350         writeBuf[6] = 0x00;
 351         writeBuf[7] = 0x00;
 352
 353         XboxCommand(writeBuf, 8);
 354 }
 355
 356 void XBOXUSB::onInit() {
 357         if(pFuncOnInit)
 358                 pFuncOnInit(); // Call the user function
 359         else
 360                 setLedOn(LED1);
 361 }