Demos/Device/Incomplete/Sideshow/Lib/SideshowCommands.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 #define  INCLUDE_FROM_SIDESHOWCOMMANDS_H
  32 #include "SideshowCommands.h"
  33
  34 UNICODE_STRING_t(80) UserSID       = {LengthInBytes: sizeof(SECURITY_INTERACTIVE_RID_SID),
  35                                       UnicodeString: SECURITY_INTERACTIVE_RID_SID};
  36
  37 Unicode_String_t DeviceName        = {LengthInBytes: sizeof(L"LUFA Sideshow Device"),
  38                                       UnicodeString: L"LUFA Sideshow Device"};
  39
  40 Unicode_String_t Manufacturer      = {LengthInBytes: sizeof(L"Dean Camera"),
  41                                       UnicodeString: L"Dean Camera"};
  42
  43 Unicode_String_t SupportedLanguage = {LengthInBytes: sizeof(L"en-US:1"),
  44                                       UnicodeString: L"en-US:1"};
  45
  46 void Sideshow_ProcessCommandPacket(void)
  47 {
  48         SideShow_PacketHeader_t PacketHeader;
  49
  50         Endpoint_SelectEndpoint(SIDESHOW_OUT_EPNUM);
  51         Endpoint_Read_Stream_LE(&PacketHeader, sizeof(SideShow_PacketHeader_t));
  52
  53         PacketHeader.Type.Response = true;
  54
  55         printf("\r\nCmd: %lX", (PacketHeader.Type.TypeLong & 0x00FFFFFF));
  56
  57         switch (PacketHeader.Type.TypeLong & 0x00FFFFFF)
  58         {
  59                 case SIDESHOW_CMD_PING:
  60                         SideShow_Ping(&PacketHeader);
  61                         break;
  62                 case SIDESHOW_CMD_SYNC:
  63                         SideShow_Sync(&PacketHeader);
  64                         break;
  65                 case SIDESHOW_CMD_GET_CURRENT_USER:
  66                         SideShow_GetCurrentUser(&PacketHeader);
  67                         break;
  68                 case SIDESHOW_CMD_SET_CURRENT_USER:
  69                         SideShow_SetCurrentUser(&PacketHeader);
  70                         break;
  71                 case SIDESHOW_CMD_GET_CAPABILITIES:
  72                         SideShow_GetCapabilities(&PacketHeader);
  73                         break;
  74                 case SIDESHOW_CMD_GET_DEVICE_NAME:
  75                         SideShow_GetString(&PacketHeader, &DeviceName);
  76                         break;
  77                 case SIDESHOW_CMD_GET_MANUFACTURER:
  78                         SideShow_GetString(&PacketHeader, &Manufacturer);
  79                         break;
  80                 case SIDESHOW_CMD_GET_APPLICATION_ORDER:
  81                         SideShow_GetApplicationOrder(&PacketHeader);
  82                         break;
  83                 case SIDESHOW_CMD_GET_SUPPORTED_ENDPOINTS:
  84                         SideShow_GetSupportedEndpoints(&PacketHeader);
  85                         break;
  86                 case SIDESHOW_CMD_ADD_APPLICATION:
  87                         SideShow_AddApplication(&PacketHeader);
  88                         break;
  89                 case SIDESHOW_CMD_ADD_CONTENT:
  90                         SideShow_AddContent(&PacketHeader);
  91                         break;
  92                 case SIDESHOW_CMD_DELETE_CONTENT:
  93                         SideShow_DeleteContent(&PacketHeader);
  94                         break;
  95                 case SIDESHOW_CMD_DELETE_ALL_CONTENT:
  96                         SideShow_DeleteAllContent(&PacketHeader);
  97                         break;
  98                 case SIDESHOW_CMD_DELETE_APPLICATION:
  99                         SideShow_DeleteApplication(&PacketHeader);
 100                         break;
 101                 case SIDESHOW_CMD_DELETE_ALL_APPLICATIONS:
 102                         SideShow_DeleteAllApplications(&PacketHeader);
 103                         break;
 104                 default:
 105                         PacketHeader.Length -= sizeof(SideShow_PacketHeader_t);
 106
 107                         Endpoint_Discard_Stream(PacketHeader.Length);
 108                         Endpoint_ClearOUT();
 109
 110                         PacketHeader.Length   = sizeof(SideShow_PacketHeader_t);
 111                         PacketHeader.Type.NAK = true;
 112
 113                         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 114                         Endpoint_Write_Stream_LE(&PacketHeader, sizeof(SideShow_PacketHeader_t));
 115                         Endpoint_ClearIN();
 116
 117                         printf(" UNK");
 118         }
 119 }
 120
 121 static void SideShow_Ping(SideShow_PacketHeader_t* PacketHeader)
 122 {
 123         Endpoint_ClearOUT();
 124
 125         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 126         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 127         Endpoint_ClearIN();
 128 }
 129
 130 static void SideShow_Sync(SideShow_PacketHeader_t* PacketHeader)
 131 {
 132         GUID_t ProtocolGUID;
 133
 134         Endpoint_Read_Stream_LE(&ProtocolGUID, sizeof(GUID_t));
 135         Endpoint_ClearOUT();
 136
 137         if (!(GUID_COMPARE(&ProtocolGUID, (uint32_t[])STANDARD_PROTOCOL_GUID)))
 138           PacketHeader->Type.NAK = true;
 139
 140         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 141         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 142         Endpoint_Write_Stream_LE(&ProtocolGUID, sizeof(GUID_t));
 143         Endpoint_ClearIN();
 144 }
 145
 146 static void SideShow_GetCurrentUser(SideShow_PacketHeader_t* PacketHeader)
 147 {
 148         Endpoint_ClearOUT();
 149
 150         PacketHeader->Length = sizeof(SideShow_PacketHeader_t) + sizeof(uint32_t) + UserSID.LengthInBytes;
 151
 152         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 153         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 154         SideShow_Write_Unicode_String(&UserSID);
 155         Endpoint_ClearIN();
 156 }
 157
 158 static void SideShow_SetCurrentUser(SideShow_PacketHeader_t* PacketHeader)
 159 {
 160         SideShow_Read_Unicode_String(&UserSID, sizeof(UserSID.UnicodeString));
 161         Endpoint_ClearOUT();
 162
 163         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 164
 165         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 166         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 167         Endpoint_ClearIN();
 168 }
 169
 170 static void SideShow_GetCapabilities(SideShow_PacketHeader_t* PacketHeader)
 171 {
 172         SideShow_PropertyKey_t  Property;
 173         SideShow_PropertyData_t PropertyData;
 174
 175         Endpoint_Read_Stream_LE(&Property, sizeof(SideShow_PropertyKey_t));
 176         Endpoint_ClearOUT();
 177
 178         printf(" ID: %lu", Property.PropertyID);
 179
 180         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 181
 182         if (GUID_COMPARE(&Property.PropertyGUID, (uint32_t[])SIDESHOW_PROPERTY_GUID))
 183         {
 184                 switch (Property.PropertyID)
 185                 {
 186                         case PROPERTY_SIDESHOW_SCREENTYPE:
 187                                 PropertyData.DataType    = VT_I4;
 188                                 PropertyData.Data.Data32 = ScreenText;
 189                                 PacketHeader->Length += sizeof(uint32_t);
 190
 191                                 break;
 192                         case PROPERTY_SIDESHOW_SCREENWIDTH:
 193                         case PROPERTY_SIDESHOW_CLIENTWIDTH:
 194                                 PropertyData.DataType    = VT_UI2;
 195                                 PropertyData.Data.Data16 = 16;
 196                                 PacketHeader->Length += sizeof(uint16_t);
 197
 198                                 break;
 199                         case PROPERTY_SIDESHOW_SCREENHEIGHT:
 200                         case PROPERTY_SIDESHOW_CLIENTHEIGHT:
 201                                 PropertyData.DataType    = VT_UI2;
 202                                 PropertyData.Data.Data16 = 2;
 203                                 PacketHeader->Length += sizeof(uint16_t);
 204
 205                                 break;
 206                         case PROPERTY_SIDESHOW_COLORDEPTH:
 207                                 PropertyData.DataType    = VT_UI2;
 208                                 PropertyData.Data.Data16 = 1;
 209                                 PacketHeader->Length += sizeof(uint16_t);
 210
 211                                 break;
 212                         case PROPERTY_SIDESHOW_COLORTYPE:
 213                                 PropertyData.DataType    = VT_UI2;
 214                                 PropertyData.Data.Data16 = BlackAndWhiteDisplay;
 215                                 PacketHeader->Length += sizeof(uint16_t);
 216
 217                                 break;
 218                         case PROPERTY_SIDESHOW_DATACACHE:
 219                                 PropertyData.DataType    = VT_BOOL;
 220                                 PropertyData.Data.Data16 = false;
 221                                 PacketHeader->Length += sizeof(uint16_t);
 222
 223                                 break;
 224                         case PROPERTY_SIDESHOW_SUPPORTEDLANGS:
 225                         case PROPERTY_SIDESHOW_CURRENTLANG:
 226                                 PropertyData.DataType    = VT_LPWSTR;
 227                                 PropertyData.Data.DataPointer = &SupportedLanguage;
 228                                 PacketHeader->Length += SupportedLanguage.LengthInBytes;
 229
 230                                 break;
 231                         default:
 232                                 PropertyData.DataType    = VT_EMPTY;
 233                                 break;
 234                 }
 235         }
 236         else if (GUID_COMPARE(&Property.PropertyGUID, (uint32_t[])DEVICE_PROPERTY_GUID))
 237         {
 238                 switch (Property.PropertyID)
 239                 {
 240                         case PROPERTY_DEVICE_DEVICETYPE:
 241                                 PropertyData.DataType    = VT_UI4;
 242                                 PropertyData.Data.Data32 = GenericDevice;
 243                                 PacketHeader->Length += sizeof(uint32_t);
 244
 245                                 break;
 246                 }
 247         }
 248         else
 249         {
 250                 PacketHeader->Type.NAK = true;
 251
 252                 printf(" WRONG GUID");
 253                 printf(" %lX %lX %lX %lX", Property.PropertyGUID.Chunks[0], Property.PropertyGUID.Chunks[1],
 254                                            Property.PropertyGUID.Chunks[2],  Property.PropertyGUID.Chunks[3]);
 255         }
 256
 257         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 258         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 259
 260         if (!(PacketHeader->Type.NAK))
 261         {
 262                 switch (PropertyData.DataType)
 263                 {
 264                         case VT_UI4:
 265                         case VT_I4:
 266                                 Endpoint_Write_Stream_LE(&PropertyData.Data.Data32, sizeof(uint32_t));
 267                                 break;
 268                         case VT_UI2:
 269                         case VT_I2:
 270                         case VT_BOOL:
 271                                 Endpoint_Write_Stream_LE(&PropertyData.Data.Data16, sizeof(uint16_t));
 272                                 break;
 273                         case VT_LPWSTR:
 274                                 SideShow_Write_Unicode_String((Unicode_String_t*)PropertyData.Data.Data16);
 275                                 break;
 276                 }
 277         }
 278
 279         Endpoint_ClearIN();
 280         return;
 281 }
 282
 283 static void SideShow_GetString(SideShow_PacketHeader_t* PacketHeader, void* UnicodeStruct)
 284 {
 285         Endpoint_ClearOUT();
 286
 287         PacketHeader->Length = sizeof(SideShow_PacketHeader_t) +
 288                                sizeof(uint32_t) + ((Unicode_String_t*)UnicodeStruct)->LengthInBytes;
 289
 290         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 291         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 292         SideShow_Write_Unicode_String(UnicodeStruct);
 293         Endpoint_ClearIN();
 294 }
 295
 296 static void SideShow_GetApplicationOrder(SideShow_PacketHeader_t* PacketHeader)
 297 {
 298         uint8_t TotalInstalledApplications = SideShow_GetTotalApplications();
 299         uint16_t GadgetGUIDBytes           = (TotalInstalledApplications * sizeof(GUID_t));
 300
 301         Endpoint_ClearOUT();
 302
 303         PacketHeader->Length = sizeof(SideShow_PacketHeader_t) +
 304                                sizeof(uint32_t) + GadgetGUIDBytes;
 305
 306         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 307         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 308         Endpoint_Write_DWord_LE(TotalInstalledApplications);
 309
 310         for (uint8_t App = 0; App < MAX_APPLICATIONS; App++)
 311         {
 312                 if (InstalledApplications[App].InUse == true)
 313                   Endpoint_Write_Stream_LE(&InstalledApplications[App].ApplicationID, sizeof(GUID_t));
 314         }
 315
 316         Endpoint_ClearIN();
 317 }
 318
 319 static void SideShow_GetSupportedEndpoints(SideShow_PacketHeader_t* PacketHeader)
 320 {
 321         GUID_t SupportedEndpointGUID = (GUID_t){Chunks: SIMPLE_CONTENT_FORMAT_GUID};
 322
 323         Endpoint_ClearOUT();
 324
 325         PacketHeader->Length = sizeof(SideShow_PacketHeader_t) + sizeof(uint32_t) + sizeof(GUID_t);
 326
 327         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 328         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 329         Endpoint_Write_DWord_LE(1);
 330         Endpoint_Write_Stream_LE(&SupportedEndpointGUID, sizeof(GUID_t));
 331         Endpoint_ClearIN();
 332 }
 333
 334 static void SideShow_AddApplication(SideShow_PacketHeader_t* PacketHeader)
 335 {
 336         SideShow_Application_t* CurrApp;
 337         GUID_t                  ApplicationID;
 338
 339         Endpoint_Read_Stream_LE(&ApplicationID, sizeof(GUID_t));
 340
 341         CurrApp = SideShow_GetApplicationFromGUID(&ApplicationID);
 342
 343         if (CurrApp == NULL)
 344           CurrApp = SideShow_GetFreeApplication();
 345
 346         if (CurrApp == NULL)
 347         {
 348                 PacketHeader->Length -= sizeof(SideShow_PacketHeader_t) + sizeof(GUID_t);
 349
 350                 Endpoint_Discard_Stream(PacketHeader->Length);
 351                 Endpoint_ClearOUT();
 352
 353                 PacketHeader->Type.NAK = true;
 354         }
 355         else
 356         {
 357                 CurrApp->ApplicationID = ApplicationID;
 358                 Endpoint_Read_Stream_LE(&CurrApp->EndpointID, sizeof(GUID_t));
 359                 SideShow_Read_Unicode_String(&CurrApp->ApplicationName, sizeof(CurrApp->ApplicationName.UnicodeString));
 360                 Endpoint_Read_Stream_LE(&CurrApp->CachePolicy, sizeof(uint32_t));
 361                 Endpoint_Read_Stream_LE(&CurrApp->OnlineOnly, sizeof(uint32_t));
 362                 SideShow_Discard_Byte_Stream();
 363                 SideShow_Discard_Byte_Stream();
 364                 SideShow_Discard_Byte_Stream();
 365                 Endpoint_ClearOUT();
 366
 367                 CurrApp->InUse = true;
 368                 CurrApp->HaveContent = false;
 369                 CurrApp->CurrentContentID = 1;
 370         }
 371
 372         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 373
 374         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 375         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 376         Endpoint_ClearIN();
 377 }
 378
 379 static void SideShow_DeleteApplication(SideShow_PacketHeader_t* PacketHeader)
 380 {
 381         GUID_t ApplicationGUID;
 382
 383         Endpoint_Read_Stream_LE(&ApplicationGUID, sizeof(GUID_t));
 384         Endpoint_ClearOUT();
 385
 386         SideShow_Application_t* AppToDelete = SideShow_GetApplicationFromGUID(&ApplicationGUID);
 387
 388         if (AppToDelete != NULL)
 389         {
 390                 AppToDelete->InUse = false;
 391         }
 392         else
 393           PacketHeader->Type.NAK = true;
 394
 395         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 396
 397         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 398         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 399         Endpoint_ClearIN();
 400 }
 401
 402 static void SideShow_DeleteAllApplications(SideShow_PacketHeader_t* PacketHeader)
 403 {
 404         Endpoint_ClearOUT();
 405
 406         for (uint8_t App = 0; App < MAX_APPLICATIONS; App++)
 407           InstalledApplications[App].InUse = false;
 408
 409         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 410         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 411         Endpoint_ClearIN();
 412 }
 413
 414 static void SideShow_AddContent(SideShow_PacketHeader_t* PacketHeader)
 415 {
 416         GUID_t ApplicationID;
 417         GUID_t EndpointID;
 418         SideShow_Application_t* Application;
 419
 420         Endpoint_Read_Stream_LE(&ApplicationID, sizeof(GUID_t));
 421         Endpoint_Read_Stream_LE(&EndpointID, sizeof(GUID_t));
 422
 423         Application = SideShow_GetApplicationFromGUID(&ApplicationID);
 424
 425         if (Application == NULL)
 426         {
 427                 SideShow_Discard_Byte_Stream();
 428                 PacketHeader->Type.NAK = true;
 429         }
 430         else if (!(SideShow_AddSimpleContent(PacketHeader, Application)))
 431         {
 432                 PacketHeader->Type.NAK = true;
 433         }
 434
 435         Endpoint_ClearOUT();
 436
 437         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 438
 439         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 440         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 441         Endpoint_ClearIN();
 442 }
 443
 444 static void SideShow_DeleteContent(SideShow_PacketHeader_t* PacketHeader)
 445 {
 446         GUID_t   ApplicationID;
 447         GUID_t   EndpointID;
 448         uint32_t ContentID;
 449
 450         Endpoint_Read_Stream_LE(&ApplicationID, sizeof(GUID_t));
 451         Endpoint_Read_Stream_LE(&EndpointID, sizeof(GUID_t));
 452         Endpoint_Read_Stream_LE(&ContentID, sizeof(uint32_t));
 453         Endpoint_ClearOUT();
 454
 455         SideShow_Application_t* Application = SideShow_GetApplicationFromGUID(&ApplicationID);
 456
 457         if ((Application != NULL) && (Application->CurrentContentID == ContentID))
 458           Application->HaveContent = false;
 459         else
 460           PacketHeader->Type.NAK = true;
 461
 462         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 463
 464         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 465         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 466         Endpoint_ClearIN();
 467 }
 468
 469 static void SideShow_DeleteAllContent(SideShow_PacketHeader_t* PacketHeader)
 470 {
 471         GUID_t ApplicationID;
 472         GUID_t EndpointID;
 473
 474         Endpoint_Read_Stream_LE(&ApplicationID, sizeof(GUID_t));
 475         Endpoint_Read_Stream_LE(&EndpointID, sizeof(GUID_t));
 476         Endpoint_ClearOUT();
 477
 478         SideShow_Application_t* Application = SideShow_GetApplicationFromGUID(&ApplicationID);
 479
 480         if (Application != NULL)
 481           Application->HaveContent = false;
 482         else
 483           PacketHeader->Type.NAK = true;
 484
 485         PacketHeader->Length = sizeof(SideShow_PacketHeader_t);
 486
 487         Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);
 488         Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));
 489         Endpoint_ClearIN();
 490 }