src/lib/adapter/USBCECAdapterCommands.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "USBCECAdapterCommands.h"
  34 #include "../LibCEC.h"
  35 #include "../CECProcessor.h"
  36
  37 using namespace CEC;
  38 using namespace PLATFORM;
  39
  40 CUSBCECAdapterCommands::CUSBCECAdapterCommands(CUSBCECAdapterCommunication *comm) :
  41     m_comm(comm),
  42     m_bSettingsRetrieved(false),
  43     m_bSettingAutoEnabled(false),
  44     m_settingCecVersion(CEC_VERSION_UNKNOWN),
  45     m_iSettingLAMask(0),
  46     m_bNeedsWrite(false),
  47     m_iBuildDate(0)
  48 {
  49   m_persistedConfiguration.Clear();
  50 }
  51
  52 cec_datapacket CUSBCECAdapterCommands::RequestSetting(cec_adapter_messagecode msgCode)
  53 {
  54   cec_datapacket retVal;
  55   retVal.Clear();
  56
  57   CCECAdapterMessage params;
  58   CCECAdapterMessage *message = m_comm->SendCommand(msgCode, params);
  59   if (message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED)
  60   {
  61     retVal = message->response;
  62     retVal.Shift(2); // shift out start and msgcode
  63     retVal.size -= 1; // remove end
  64   }
  65   delete message;
  66   return retVal;
  67 }
  68
  69 uint16_t CUSBCECAdapterCommands::RequestFirmwareVersion(void)
  70 {
  71   m_persistedConfiguration.iFirmwareVersion = CEC_FW_VERSION_UNKNOWN;
  72   unsigned int iFwVersionTry(0);
  73
  74   while (m_persistedConfiguration.iFirmwareVersion == CEC_FW_VERSION_UNKNOWN && iFwVersionTry++ < 3)
  75   {
  76     CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting the firmware version");
  77     cec_datapacket response = RequestSetting(MSGCODE_FIRMWARE_VERSION);
  78     if (response.size == 2)
  79       m_persistedConfiguration.iFirmwareVersion = (response[0] << 8 | response[1]);
  80     else
  81     {
  82       CLibCEC::AddLog(CEC_LOG_WARNING, "the adapter did not respond with a correct firmware version (try %d)", iFwVersionTry);
  83       CEvent::Sleep(500);
  84     }
  85   }
  86
  87   if (m_persistedConfiguration.iFirmwareVersion == CEC_FW_VERSION_UNKNOWN)
  88   {
  89     CLibCEC::AddLog(CEC_LOG_DEBUG, "defaulting to firmware version 1");
  90     m_persistedConfiguration.iFirmwareVersion = 1;
  91   }
  92
  93   return m_persistedConfiguration.iFirmwareVersion;
  94 }
  95
  96 bool CUSBCECAdapterCommands::RequestSettingAutoEnabled(void)
  97 {
  98   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting autonomous mode setting");
  99
 100   cec_datapacket response = RequestSetting(MSGCODE_GET_AUTO_ENABLED);
 101   if (response.size == 1)
 102   {
 103     m_bSettingAutoEnabled = response[0] == 1;
 104     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted autonomous mode setting: '%s'", m_bSettingAutoEnabled ? "enabled" : "disabled");
 105     return true;
 106   }
 107   return false;
 108 }
 109
 110 bool CUSBCECAdapterCommands::RequestSettingCECVersion(void)
 111 {
 112   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting CEC version setting");
 113
 114   cec_datapacket response = RequestSetting(MSGCODE_GET_HDMI_VERSION);
 115   if (response.size == 1)
 116   {
 117     m_settingCecVersion = (cec_version)response[0];
 118     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted CEC version setting: '%s'", CLibCEC::GetInstance()->ToString(m_settingCecVersion));
 119     return true;
 120   }
 121   return false;
 122 }
 123
 124 uint32_t CUSBCECAdapterCommands::RequestBuildDate(void)
 125 {
 126   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting firmware build date");
 127
 128   cec_datapacket response = RequestSetting(MSGCODE_GET_BUILDDATE);
 129   if (response.size == 4)
 130     return (uint32_t)response[0] << 24 | (uint32_t)response[1] << 16 | (uint32_t)response[2] << 8 | (uint32_t)response[3];
 131   return 0;
 132 }
 133
 134 bool CUSBCECAdapterCommands::RequestSettingDefaultLogicalAddress(void)
 135 {
 136   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting default logical address setting");
 137
 138   cec_datapacket response = RequestSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS);
 139   if (response.size == 1)
 140   {
 141     m_persistedConfiguration.logicalAddresses.primary = (cec_logical_address)response[0];
 142     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted logical address setting: '%s'", CLibCEC::GetInstance()->ToString(m_persistedConfiguration.logicalAddresses.primary));
 143     return true;
 144   }
 145   return false;
 146 }
 147
 148 bool CUSBCECAdapterCommands::RequestSettingDeviceType(void)
 149 {
 150   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting device type setting");
 151   m_persistedConfiguration.deviceTypes.Clear();
 152
 153   cec_datapacket response = RequestSetting(MSGCODE_GET_DEVICE_TYPE);
 154   if (response.size == 1)
 155   {
 156     m_persistedConfiguration.deviceTypes.Add((cec_device_type)response[0]);
 157     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted device type setting: '%s'", CLibCEC::GetInstance()->ToString((cec_device_type)response[0]));
 158     return true;
 159   }
 160   CLibCEC::AddLog(CEC_LOG_DEBUG, "no persisted device type setting");
 161   return false;
 162 }
 163
 164 bool CUSBCECAdapterCommands::RequestSettingLogicalAddressMask(void)
 165 {
 166   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting logical address mask setting");
 167
 168   cec_datapacket response = RequestSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK);
 169   if (response.size == 2)
 170   {
 171     m_iSettingLAMask = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
 172     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted logical address mask setting: '%x'", m_iSettingLAMask);
 173     return true;
 174   }
 175   return false;
 176 }
 177
 178 bool CUSBCECAdapterCommands::RequestSettingOSDName(void)
 179 {
 180   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting OSD name setting");
 181
 182   memset(m_persistedConfiguration.strDeviceName, 0, 13);
 183   cec_datapacket response = RequestSetting(MSGCODE_GET_OSD_NAME);
 184   if (response.size == 0)
 185   {
 186     CLibCEC::AddLog(CEC_LOG_DEBUG, "no persisted device name setting");
 187     return false;
 188   }
 189
 190   char buf[14];
 191   for (uint8_t iPtr = 0; iPtr < response.size && iPtr < 13; iPtr++)
 192     buf[iPtr] = (char)response[iPtr];
 193   buf[response.size] = 0;
 194
 195   snprintf(m_persistedConfiguration.strDeviceName, 13, "%s", buf);
 196   CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted device name setting: '%s'", buf);
 197   return true;
 198 }
 199
 200 bool CUSBCECAdapterCommands::RequestSettingPhysicalAddress(void)
 201 {
 202   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting physical address setting");
 203
 204   cec_datapacket response = RequestSetting(MSGCODE_GET_PHYSICAL_ADDRESS);
 205   if (response.size == 2)
 206   {
 207     m_persistedConfiguration.iPhysicalAddress = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
 208     CLibCEC::AddLog(CEC_LOG_DEBUG, "using persisted physical address setting: '%4x'", m_persistedConfiguration.iPhysicalAddress);
 209     return true;
 210   }
 211   CLibCEC::AddLog(CEC_LOG_DEBUG, "no persisted physical address setting");
 212   return false;
 213 }
 214
 215 bool CUSBCECAdapterCommands::SetSettingAutoEnabled(bool enabled)
 216 {
 217   bool bReturn(true);
 218
 219   /* check whether this value was changed */
 220   if (m_bSettingAutoEnabled == enabled)
 221   {
 222     CLibCEC::AddLog(CEC_LOG_DEBUG, "autonomous mode setting unchanged (%s)", enabled ? "on" : "off");
 223     return bReturn;
 224   }
 225
 226   m_bNeedsWrite = true;
 227   CLibCEC::AddLog(CEC_LOG_DEBUG, "turning autonomous mode %s", enabled ? "on" : "off");
 228
 229   CCECAdapterMessage params;
 230   params.PushEscaped(enabled ? 1 : 0);
 231   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_AUTO_ENABLED, params);
 232   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 233   delete message;
 234
 235   if (bReturn)
 236     m_bSettingAutoEnabled = enabled;
 237
 238   return bReturn;
 239 }
 240
 241 bool CUSBCECAdapterCommands::SetSettingDeviceType(cec_device_type type)
 242 {
 243   bool bReturn(true);
 244
 245   /* check whether this value was changed */
 246   if (m_persistedConfiguration.deviceTypes.types[0] == type)
 247   {
 248     CLibCEC::AddLog(CEC_LOG_DEBUG, "device type setting unchanged (%X)", (uint8_t)type);
 249     return bReturn;
 250   }
 251
 252   m_bNeedsWrite = true;
 253   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the device type to %X (previous: %X)", (uint8_t)type, (uint8_t)m_persistedConfiguration.deviceTypes.types[0]);
 254
 255   CCECAdapterMessage params;
 256   params.PushEscaped((uint8_t)type);
 257   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_DEVICE_TYPE, params);
 258   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 259   delete message;
 260
 261   return bReturn;
 262 }
 263
 264 bool CUSBCECAdapterCommands::SetSettingDefaultLogicalAddress(cec_logical_address address)
 265 {
 266   bool bReturn(true);
 267
 268   /* check whether this value was changed */
 269   if (m_persistedConfiguration.logicalAddresses.primary == address)
 270   {
 271     CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address setting unchanged (%X)", (uint8_t)address);
 272     return bReturn;
 273   }
 274
 275   m_bNeedsWrite = true;
 276   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the default logical address to %X (previous: %X)", (uint8_t)address, (uint8_t)m_persistedConfiguration.logicalAddresses.primary);
 277
 278   CCECAdapterMessage params;
 279   params.PushEscaped((uint8_t)address);
 280   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS, params);
 281   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 282   delete message;
 283
 284   if (bReturn)
 285     m_persistedConfiguration.logicalAddresses.primary = address;
 286
 287   return bReturn;
 288 }
 289
 290 bool CUSBCECAdapterCommands::SetSettingLogicalAddressMask(uint16_t iMask)
 291 {
 292   bool bReturn(true);
 293
 294   /* check whether this value was changed */
 295   if (m_iSettingLAMask == iMask)
 296   {
 297     CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address mask setting unchanged (%2X)", iMask);
 298     return bReturn;
 299   }
 300
 301   m_bNeedsWrite = true;
 302   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the logical address mask to %2X (previous: %2X)", iMask, m_iSettingLAMask);
 303
 304   CCECAdapterMessage params;
 305   params.PushEscaped(iMask >> 8);
 306   params.PushEscaped((uint8_t)iMask);
 307   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_LOGICAL_ADDRESS_MASK, params);
 308   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 309   delete message;
 310
 311   if (bReturn)
 312     m_iSettingLAMask = iMask;
 313
 314   return bReturn;
 315 }
 316
 317 bool CUSBCECAdapterCommands::SetSettingPhysicalAddress(uint16_t iPhysicalAddress)
 318 {
 319   bool bReturn(true);
 320
 321   /* check whether this value was changed */
 322   if (m_persistedConfiguration.iPhysicalAddress == iPhysicalAddress)
 323   {
 324     CLibCEC::AddLog(CEC_LOG_DEBUG, "physical address setting unchanged (%04X)", iPhysicalAddress);
 325     return bReturn;
 326   }
 327
 328   m_bNeedsWrite = true;
 329   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the physical address to %04X (previous: %04X)", iPhysicalAddress, m_persistedConfiguration.iPhysicalAddress);
 330
 331   CCECAdapterMessage params;
 332   params.PushEscaped(iPhysicalAddress >> 8);
 333   params.PushEscaped((uint8_t)iPhysicalAddress);
 334   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_PHYSICAL_ADDRESS, params);
 335   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 336   delete message;
 337
 338   if (bReturn)
 339     m_persistedConfiguration.iPhysicalAddress = iPhysicalAddress;
 340
 341   return bReturn;
 342 }
 343
 344 bool CUSBCECAdapterCommands::SetSettingCECVersion(cec_version version)
 345 {
 346   bool bReturn(true);
 347
 348   /* check whether this value was changed */
 349   if (m_settingCecVersion == version)
 350   {
 351     CLibCEC::AddLog(CEC_LOG_DEBUG, "CEC version setting unchanged (%s)", CLibCEC::GetInstance()->ToString(version));
 352     return bReturn;
 353   }
 354
 355   m_bNeedsWrite = true;
 356   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the CEC version to %s (previous: %s)", CLibCEC::GetInstance()->ToString(version), CLibCEC::GetInstance()->ToString(m_settingCecVersion));
 357
 358   CCECAdapterMessage params;
 359   params.PushEscaped((uint8_t)version);
 360   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_HDMI_VERSION, params);
 361   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 362   delete message;
 363
 364   if (bReturn)
 365     m_settingCecVersion = version;
 366
 367   return bReturn;
 368 }
 369
 370 bool CUSBCECAdapterCommands::SetSettingOSDName(const char *strOSDName)
 371 {
 372   bool bReturn(true);
 373
 374   /* check whether this value was changed */
 375   if (!strcmp(m_persistedConfiguration.strDeviceName, strOSDName))
 376   {
 377     CLibCEC::AddLog(CEC_LOG_DEBUG, "OSD name setting unchanged (%s)", strOSDName);
 378     return bReturn;
 379   }
 380
 381   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the OSD name to %s (previous: %s)", strOSDName, m_persistedConfiguration.strDeviceName);
 382
 383   CCECAdapterMessage params;
 384   for (size_t iPtr = 0; iPtr < strlen(strOSDName); iPtr++)
 385     params.PushEscaped(strOSDName[iPtr]);
 386   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_OSD_NAME, params);
 387   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 388   delete message;
 389
 390   if (bReturn)
 391     snprintf(m_persistedConfiguration.strDeviceName, 13, "%s", strOSDName);
 392
 393   return bReturn;
 394 }
 395
 396 bool CUSBCECAdapterCommands::WriteEEPROM(void)
 397 {
 398   if (!m_bNeedsWrite)
 399     return true;
 400
 401   CLibCEC::AddLog(CEC_LOG_DEBUG, "writing settings in the EEPROM");
 402
 403   CCECAdapterMessage params;
 404   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_WRITE_EEPROM, params);
 405   m_bNeedsWrite = !(message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED);
 406   delete message;
 407   return m_bNeedsWrite;
 408 }
 409
 410 bool CUSBCECAdapterCommands::PersistConfiguration(libcec_configuration *configuration)
 411 {
 412   if (m_persistedConfiguration.iFirmwareVersion < 2)
 413     return false;
 414
 415   if (!RequestSettings())
 416     return false;
 417
 418   bool bReturn(true);
 419   bReturn &= SetSettingAutoEnabled(true);
 420   bReturn &= SetSettingDeviceType(CLibCEC::GetType(configuration->logicalAddresses.primary));
 421   bReturn &= SetSettingDefaultLogicalAddress(configuration->logicalAddresses.primary);
 422   bReturn &= SetSettingLogicalAddressMask(CLibCEC::GetMaskForType(configuration->logicalAddresses.primary));
 423   bReturn &= SetSettingPhysicalAddress(configuration->iPhysicalAddress);
 424   bReturn &= SetSettingCECVersion(CEC_VERSION_1_3A);
 425   bReturn &= SetSettingOSDName(configuration->strDeviceName);
 426   bReturn &= WriteEEPROM();
 427   return bReturn;
 428 }
 429
 430 bool CUSBCECAdapterCommands::RequestSettings(void)
 431 {
 432   if (m_persistedConfiguration.iFirmwareVersion < 2)
 433   {
 434     CLibCEC::AddLog(CEC_LOG_DEBUG, "%s - firmware version %d does not have any eeprom settings", __FUNCTION__, m_persistedConfiguration.iFirmwareVersion);
 435     // settings can only be persisted with firmware v2+
 436     return false;
 437   }
 438
 439   if (m_bSettingsRetrieved)
 440     return true;
 441
 442   bool bReturn(true);
 443   bReturn &= RequestSettingAutoEnabled();
 444   bReturn &= RequestSettingCECVersion();
 445   bReturn &= RequestSettingDefaultLogicalAddress();
 446   bReturn &= RequestSettingDeviceType();
 447   bReturn &= RequestSettingLogicalAddressMask();
 448   bReturn &= RequestSettingOSDName();
 449   bReturn &= RequestSettingPhysicalAddress();
 450
 451   // don't read the following settings:
 452   // - auto enabled (always enabled)
 453   // - default logical address (autodetected)
 454   // - logical address mask (autodetected)
 455   // - CEC version (1.3a)
 456
 457   // TODO to be added to the firmware:
 458   // - base device (4 bits)
 459   // - HDMI port number (4 bits)
 460   // - TV vendor id (12 bits)
 461   // - wake devices (8 bits)
 462   // - standby devices (8 bits)
 463   // - use TV menu language (1 bit)
 464   // - activate source (1 bit)
 465   // - power off screensaver (1 bit)
 466   // - power off on standby (1 bit)
 467   // - send inactive source (1 bit)
 468
 469   m_bSettingsRetrieved = true;
 470
 471   return bReturn;
 472 }
 473
 474 bool CUSBCECAdapterCommands::GetConfiguration(libcec_configuration *configuration)
 475 {
 476   // get the settings from the eeprom if needed
 477   if (!RequestSettings())
 478     return false;
 479
 480   // copy the settings
 481   configuration->iFirmwareVersion = m_persistedConfiguration.iFirmwareVersion;
 482   configuration->deviceTypes      = m_persistedConfiguration.deviceTypes;
 483   configuration->iPhysicalAddress = m_persistedConfiguration.iPhysicalAddress;
 484   snprintf(configuration->strDeviceName, 13, "%s", m_persistedConfiguration.strDeviceName);
 485
 486   return true;
 487 }
 488
 489 bool CUSBCECAdapterCommands::PingAdapter(void)
 490 {
 491   CLibCEC::AddLog(CEC_LOG_DEBUG, "sending ping");
 492
 493   CCECAdapterMessage params;
 494   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_PING, params);
 495   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 496   delete message;
 497   return bReturn;
 498 }
 499
 500 bool CUSBCECAdapterCommands::SetAckMask(uint16_t iMask)
 501 {
 502   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting ackmask to %2x", iMask);
 503
 504   CCECAdapterMessage params;
 505   params.PushEscaped(iMask >> 8);
 506   params.PushEscaped((uint8_t)iMask);
 507   CCECAdapterMessage *message  = m_comm->SendCommand(MSGCODE_SET_ACK_MASK, params);
 508   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 509   delete message;
 510   return bReturn;
 511 }
 512
 513 bool CUSBCECAdapterCommands::StartBootloader(void)
 514 {
 515   CLibCEC::AddLog(CEC_LOG_DEBUG, "starting the bootloader");
 516
 517   CCECAdapterMessage params;
 518   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_START_BOOTLOADER, params);
 519   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 520   delete message;
 521   return bReturn;
 522 }
 523
 524 bool CUSBCECAdapterCommands::SetLineTimeout(uint8_t iTimeout)
 525 {
 526   CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the line timeout to %d", iTimeout);
 527   CCECAdapterMessage params;
 528   params.PushEscaped(iTimeout);
 529   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_TRANSMIT_IDLETIME, params);
 530   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 531   delete message;
 532   return bReturn;
 533 }
 534
 535 bool CUSBCECAdapterCommands::SetControlledMode(bool controlled)
 536 {
 537   CLibCEC::AddLog(CEC_LOG_DEBUG, "turning controlled mode %s", controlled ? "on" : "off");
 538
 539   CCECAdapterMessage params;
 540   params.PushEscaped(controlled ? 1 : 0);
 541   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_CONTROLLED, params);
 542   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 543   delete message;
 544   return bReturn;
 545 }