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 #define LIB_CEC     m_comm->m_callback->GetLib()
  41 #define ToString(p) LIB_CEC->ToString(p)
  42
  43 CUSBCECAdapterCommands::CUSBCECAdapterCommands(CUSBCECAdapterCommunication *comm) :
  44     m_comm(comm),
  45     m_bSettingsRetrieved(false),
  46     m_bSettingAutoEnabled(false),
  47     m_settingCecVersion(CEC_VERSION_UNKNOWN),
  48     m_iSettingLAMask(0),
  49     m_bNeedsWrite(false),
  50     m_iBuildDate(CEC_FW_BUILD_UNKNOWN)
  51 {
  52   m_persistedConfiguration.Clear();
  53 }
  54
  55 cec_datapacket CUSBCECAdapterCommands::RequestSetting(cec_adapter_messagecode msgCode)
  56 {
  57   cec_datapacket retVal;
  58   retVal.Clear();
  59
  60   CCECAdapterMessage params;
  61   CCECAdapterMessage *message = m_comm->SendCommand(msgCode, params);
  62   if (message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED)
  63   {
  64     retVal = message->response;
  65     retVal.Shift(2); // shift out start and msgcode
  66     retVal.size -= 1; // remove end
  67   }
  68   delete message;
  69   return retVal;
  70 }
  71
  72 uint16_t CUSBCECAdapterCommands::RequestFirmwareVersion(void)
  73 {
  74   m_persistedConfiguration.iFirmwareVersion = CEC_FW_VERSION_UNKNOWN;
  75   unsigned int iFwVersionTry(0);
  76
  77   while (m_persistedConfiguration.iFirmwareVersion == CEC_FW_VERSION_UNKNOWN && iFwVersionTry++ < 3)
  78   {
  79     LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting the firmware version");
  80     cec_datapacket response = RequestSetting(MSGCODE_FIRMWARE_VERSION);
  81     if (response.size == 2)
  82       m_persistedConfiguration.iFirmwareVersion = (response[0] << 8 | response[1]);
  83     else
  84     {
  85       LIB_CEC->AddLog(CEC_LOG_WARNING, "the adapter did not respond with a correct firmware version (try %d)", iFwVersionTry);
  86       CEvent::Sleep(500);
  87     }
  88   }
  89
  90   if (m_persistedConfiguration.iFirmwareVersion == CEC_FW_VERSION_UNKNOWN)
  91   {
  92     LIB_CEC->AddLog(CEC_LOG_DEBUG, "defaulting to firmware version 1");
  93     m_persistedConfiguration.iFirmwareVersion = 1;
  94   }
  95
  96   return m_persistedConfiguration.iFirmwareVersion;
  97 }
  98
  99 bool CUSBCECAdapterCommands::RequestSettingAutoEnabled(void)
 100 {
 101   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting autonomous mode setting");
 102
 103   cec_datapacket response = RequestSetting(MSGCODE_GET_AUTO_ENABLED);
 104   if (response.size == 1)
 105   {
 106     m_bSettingAutoEnabled = response[0] == 1;
 107     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted autonomous mode setting: '%s'", m_bSettingAutoEnabled ? "enabled" : "disabled");
 108     return true;
 109   }
 110   return false;
 111 }
 112
 113 bool CUSBCECAdapterCommands::RequestSettingCECVersion(void)
 114 {
 115   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting CEC version setting");
 116
 117   cec_datapacket response = RequestSetting(MSGCODE_GET_HDMI_VERSION);
 118   if (response.size == 1)
 119   {
 120     m_settingCecVersion = (cec_version)response[0];
 121     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted CEC version setting: '%s'", ToString(m_settingCecVersion));
 122     return true;
 123   }
 124   return false;
 125 }
 126
 127 uint32_t CUSBCECAdapterCommands::RequestBuildDate(void)
 128 {
 129   if (m_iBuildDate == CEC_FW_BUILD_UNKNOWN)
 130   {
 131     LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting firmware build date");
 132
 133     cec_datapacket response = RequestSetting(MSGCODE_GET_BUILDDATE);
 134     if (response.size == 4)
 135       m_iBuildDate = (uint32_t)response[0] << 24 | (uint32_t)response[1] << 16 | (uint32_t)response[2] << 8 | (uint32_t)response[3];
 136   }
 137   return m_iBuildDate;
 138 }
 139
 140 bool CUSBCECAdapterCommands::RequestSettingDefaultLogicalAddress(void)
 141 {
 142   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting default logical address setting");
 143
 144   cec_datapacket response = RequestSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS);
 145   if (response.size == 1)
 146   {
 147     m_persistedConfiguration.logicalAddresses.primary = (cec_logical_address)response[0];
 148     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted logical address setting: '%s'", ToString(m_persistedConfiguration.logicalAddresses.primary));
 149     return true;
 150   }
 151   return false;
 152 }
 153
 154 bool CUSBCECAdapterCommands::RequestSettingDeviceType(void)
 155 {
 156   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting device type setting");
 157   m_persistedConfiguration.deviceTypes.Clear();
 158
 159   cec_datapacket response = RequestSetting(MSGCODE_GET_DEVICE_TYPE);
 160   if (response.size == 1)
 161   {
 162     m_persistedConfiguration.deviceTypes.Add((cec_device_type)response[0]);
 163     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted device type setting: '%s'", ToString((cec_device_type)response[0]));
 164     return true;
 165   }
 166   LIB_CEC->AddLog(CEC_LOG_DEBUG, "no persisted device type setting");
 167   return false;
 168 }
 169
 170 bool CUSBCECAdapterCommands::RequestSettingLogicalAddressMask(void)
 171 {
 172   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting logical address mask setting");
 173
 174   cec_datapacket response = RequestSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK);
 175   if (response.size == 2)
 176   {
 177     m_iSettingLAMask = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
 178     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted logical address mask setting: '%x'", m_iSettingLAMask);
 179     return true;
 180   }
 181   return false;
 182 }
 183
 184 bool CUSBCECAdapterCommands::RequestSettingOSDName(void)
 185 {
 186   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting OSD name setting");
 187
 188   memset(m_persistedConfiguration.strDeviceName, 0, 13);
 189   cec_datapacket response = RequestSetting(MSGCODE_GET_OSD_NAME);
 190   if (response.size == 0)
 191   {
 192     LIB_CEC->AddLog(CEC_LOG_DEBUG, "no persisted device name setting");
 193     return false;
 194   }
 195
 196   char buf[14];
 197   for (uint8_t iPtr = 0; iPtr < response.size && iPtr < 13; iPtr++)
 198     buf[iPtr] = (char)response[iPtr];
 199   buf[response.size] = 0;
 200
 201   snprintf(m_persistedConfiguration.strDeviceName, 13, "%s", buf);
 202   LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted device name setting: '%s'", buf);
 203   return true;
 204 }
 205
 206 bool CUSBCECAdapterCommands::RequestSettingPhysicalAddress(void)
 207 {
 208   LIB_CEC->AddLog(CEC_LOG_DEBUG, "requesting physical address setting");
 209
 210   cec_datapacket response = RequestSetting(MSGCODE_GET_PHYSICAL_ADDRESS);
 211   if (response.size == 2)
 212   {
 213     m_persistedConfiguration.iPhysicalAddress = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
 214     LIB_CEC->AddLog(CEC_LOG_DEBUG, "using persisted physical address setting: '%4x'", m_persistedConfiguration.iPhysicalAddress);
 215     return true;
 216   }
 217   LIB_CEC->AddLog(CEC_LOG_DEBUG, "no persisted physical address setting");
 218   return false;
 219 }
 220
 221 bool CUSBCECAdapterCommands::SetSettingAutoEnabled(bool enabled)
 222 {
 223   bool bReturn(true);
 224
 225   /* check whether this value was changed */
 226   if (m_bSettingAutoEnabled == enabled)
 227   {
 228     LIB_CEC->AddLog(CEC_LOG_DEBUG, "autonomous mode setting unchanged (%s)", enabled ? "on" : "off");
 229     return bReturn;
 230   }
 231
 232   m_bNeedsWrite = true;
 233   LIB_CEC->AddLog(CEC_LOG_DEBUG, "turning autonomous mode %s", enabled ? "on" : "off");
 234
 235   CCECAdapterMessage params;
 236   params.PushEscaped(enabled ? 1 : 0);
 237   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_AUTO_ENABLED, params);
 238   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 239   delete message;
 240
 241   if (bReturn)
 242     m_bSettingAutoEnabled = enabled;
 243
 244   return bReturn;
 245 }
 246
 247 bool CUSBCECAdapterCommands::SetSettingDeviceType(cec_device_type type)
 248 {
 249   bool bReturn(true);
 250
 251   /* check whether this value was changed */
 252   if (m_persistedConfiguration.deviceTypes.types[0] == type)
 253   {
 254     LIB_CEC->AddLog(CEC_LOG_DEBUG, "device type setting unchanged (%X)", (uint8_t)type);
 255     return bReturn;
 256   }
 257
 258   m_bNeedsWrite = true;
 259   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the device type to %X (previous: %X)", (uint8_t)type, (uint8_t)m_persistedConfiguration.deviceTypes.types[0]);
 260
 261   CCECAdapterMessage params;
 262   params.PushEscaped((uint8_t)type);
 263   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_DEVICE_TYPE, params);
 264   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 265   delete message;
 266
 267   return bReturn;
 268 }
 269
 270 bool CUSBCECAdapterCommands::SetSettingDefaultLogicalAddress(cec_logical_address address)
 271 {
 272   bool bReturn(true);
 273
 274   /* check whether this value was changed */
 275   if (m_persistedConfiguration.logicalAddresses.primary == address)
 276   {
 277     LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address setting unchanged (%X)", (uint8_t)address);
 278     return bReturn;
 279   }
 280
 281   m_bNeedsWrite = true;
 282   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the default logical address to %X (previous: %X)", (uint8_t)address, (uint8_t)m_persistedConfiguration.logicalAddresses.primary);
 283
 284   CCECAdapterMessage params;
 285   params.PushEscaped((uint8_t)address);
 286   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS, params);
 287   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 288   delete message;
 289
 290   if (bReturn)
 291     m_persistedConfiguration.logicalAddresses.primary = address;
 292
 293   return bReturn;
 294 }
 295
 296 bool CUSBCECAdapterCommands::SetSettingLogicalAddressMask(uint16_t iMask)
 297 {
 298   bool bReturn(true);
 299
 300   /* check whether this value was changed */
 301   if (m_iSettingLAMask == iMask)
 302   {
 303     LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address mask setting unchanged (%2X)", iMask);
 304     return bReturn;
 305   }
 306
 307   m_bNeedsWrite = true;
 308   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the logical address mask to %2X (previous: %2X)", iMask, m_iSettingLAMask);
 309
 310   CCECAdapterMessage params;
 311   params.PushEscaped(iMask >> 8);
 312   params.PushEscaped((uint8_t)iMask);
 313   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_LOGICAL_ADDRESS_MASK, params);
 314   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 315   delete message;
 316
 317   if (bReturn)
 318     m_iSettingLAMask = iMask;
 319
 320   return bReturn;
 321 }
 322
 323 bool CUSBCECAdapterCommands::SetSettingPhysicalAddress(uint16_t iPhysicalAddress)
 324 {
 325   bool bReturn(true);
 326
 327   /* check whether this value was changed */
 328   if (m_persistedConfiguration.iPhysicalAddress == iPhysicalAddress)
 329   {
 330     LIB_CEC->AddLog(CEC_LOG_DEBUG, "physical address setting unchanged (%04X)", iPhysicalAddress);
 331     return bReturn;
 332   }
 333
 334   m_bNeedsWrite = true;
 335   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the physical address to %04X (previous: %04X)", iPhysicalAddress, m_persistedConfiguration.iPhysicalAddress);
 336
 337   CCECAdapterMessage params;
 338   params.PushEscaped(iPhysicalAddress >> 8);
 339   params.PushEscaped((uint8_t)iPhysicalAddress);
 340   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_PHYSICAL_ADDRESS, params);
 341   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 342   delete message;
 343
 344   if (bReturn)
 345     m_persistedConfiguration.iPhysicalAddress = iPhysicalAddress;
 346
 347   return bReturn;
 348 }
 349
 350 bool CUSBCECAdapterCommands::SetSettingCECVersion(cec_version version)
 351 {
 352   bool bReturn(true);
 353
 354   /* check whether this value was changed */
 355   if (m_settingCecVersion == version)
 356   {
 357     LIB_CEC->AddLog(CEC_LOG_DEBUG, "CEC version setting unchanged (%s)", ToString(version));
 358     return bReturn;
 359   }
 360
 361   m_bNeedsWrite = true;
 362   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the CEC version to %s (previous: %s)", ToString(version), ToString(m_settingCecVersion));
 363
 364   CCECAdapterMessage params;
 365   params.PushEscaped((uint8_t)version);
 366   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_HDMI_VERSION, params);
 367   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 368   delete message;
 369
 370   if (bReturn)
 371     m_settingCecVersion = version;
 372
 373   return bReturn;
 374 }
 375
 376 bool CUSBCECAdapterCommands::SetSettingOSDName(const char *strOSDName)
 377 {
 378   bool bReturn(true);
 379
 380   /* check whether this value was changed */
 381   if (!strcmp(m_persistedConfiguration.strDeviceName, strOSDName))
 382   {
 383     LIB_CEC->AddLog(CEC_LOG_DEBUG, "OSD name setting unchanged (%s)", strOSDName);
 384     return bReturn;
 385   }
 386
 387   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the OSD name to %s (previous: %s)", strOSDName, m_persistedConfiguration.strDeviceName);
 388
 389   CCECAdapterMessage params;
 390   for (size_t iPtr = 0; iPtr < strlen(strOSDName); iPtr++)
 391     params.PushEscaped(strOSDName[iPtr]);
 392   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_OSD_NAME, params);
 393   bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 394   delete message;
 395
 396   if (bReturn)
 397     snprintf(m_persistedConfiguration.strDeviceName, 13, "%s", strOSDName);
 398
 399   return bReturn;
 400 }
 401
 402 bool CUSBCECAdapterCommands::WriteEEPROM(void)
 403 {
 404   if (!m_bNeedsWrite)
 405     return true;
 406
 407   LIB_CEC->AddLog(CEC_LOG_DEBUG, "writing settings in the EEPROM");
 408
 409   CCECAdapterMessage params;
 410   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_WRITE_EEPROM, params);
 411   m_bNeedsWrite = !(message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED);
 412   delete message;
 413   return m_bNeedsWrite;
 414 }
 415
 416 bool CUSBCECAdapterCommands::PersistConfiguration(libcec_configuration *configuration)
 417 {
 418   if (m_persistedConfiguration.iFirmwareVersion < 2)
 419     return false;
 420
 421   if (!RequestSettings())
 422     return false;
 423
 424   bool bReturn(true);
 425   bReturn &= SetSettingAutoEnabled(true);
 426   bReturn &= SetSettingDeviceType(CLibCEC::GetType(configuration->logicalAddresses.primary));
 427   bReturn &= SetSettingDefaultLogicalAddress(configuration->logicalAddresses.primary);
 428   bReturn &= SetSettingLogicalAddressMask(CLibCEC::GetMaskForType(configuration->logicalAddresses.primary));
 429   bReturn &= SetSettingPhysicalAddress(configuration->iPhysicalAddress);
 430   bReturn &= SetSettingCECVersion(CEC_VERSION_1_3A);
 431   bReturn &= SetSettingOSDName(configuration->strDeviceName);
 432   bReturn &= WriteEEPROM();
 433   return bReturn;
 434 }
 435
 436 bool CUSBCECAdapterCommands::RequestSettings(void)
 437 {
 438   if (m_persistedConfiguration.iFirmwareVersion < 2)
 439   {
 440     LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - firmware version %d does not have any eeprom settings", __FUNCTION__, m_persistedConfiguration.iFirmwareVersion);
 441     // settings can only be persisted with firmware v2+
 442     return false;
 443   }
 444
 445   if (m_bSettingsRetrieved)
 446     return true;
 447
 448   bool bReturn(true);
 449   bReturn &= RequestSettingAutoEnabled();
 450   bReturn &= RequestSettingCECVersion();
 451   bReturn &= RequestSettingDefaultLogicalAddress();
 452   bReturn &= RequestSettingDeviceType();
 453   bReturn &= RequestSettingLogicalAddressMask();
 454   bReturn &= RequestSettingOSDName();
 455   bReturn &= RequestSettingPhysicalAddress();
 456
 457   // don't read the following settings:
 458   // - auto enabled (always enabled)
 459   // - default logical address (autodetected)
 460   // - logical address mask (autodetected)
 461   // - CEC version (1.3a)
 462
 463   // TODO to be added to the firmware:
 464   // - base device (4 bits)
 465   // - HDMI port number (4 bits)
 466   // - TV vendor id (12 bits)
 467   // - wake devices (8 bits)
 468   // - standby devices (8 bits)
 469   // - use TV menu language (1 bit)
 470   // - activate source (1 bit)
 471   // - power off screensaver (1 bit)
 472   // - power off on standby (1 bit)
 473   // - send inactive source (1 bit)
 474
 475   m_bSettingsRetrieved = true;
 476
 477   return bReturn;
 478 }
 479
 480 bool CUSBCECAdapterCommands::GetConfiguration(libcec_configuration *configuration)
 481 {
 482   // get the settings from the eeprom if needed
 483   if (!RequestSettings())
 484     return false;
 485
 486   // copy the settings
 487   configuration->iFirmwareVersion = m_persistedConfiguration.iFirmwareVersion;
 488   configuration->deviceTypes      = m_persistedConfiguration.deviceTypes;
 489   configuration->iPhysicalAddress = m_persistedConfiguration.iPhysicalAddress;
 490   snprintf(configuration->strDeviceName, 13, "%s", m_persistedConfiguration.strDeviceName);
 491
 492   return true;
 493 }
 494
 495 bool CUSBCECAdapterCommands::PingAdapter(void)
 496 {
 497   LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending ping");
 498
 499   CCECAdapterMessage params;
 500   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_PING, params);
 501   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 502   delete message;
 503   return bReturn;
 504 }
 505
 506 bool CUSBCECAdapterCommands::SetAckMask(uint16_t iMask)
 507 {
 508   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting ackmask to %2x", iMask);
 509
 510   CCECAdapterMessage params;
 511   params.PushEscaped(iMask >> 8);
 512   params.PushEscaped((uint8_t)iMask);
 513   CCECAdapterMessage *message  = m_comm->SendCommand(MSGCODE_SET_ACK_MASK, params);
 514   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 515   delete message;
 516   return bReturn;
 517 }
 518
 519 bool CUSBCECAdapterCommands::StartBootloader(void)
 520 {
 521   LIB_CEC->AddLog(CEC_LOG_DEBUG, "starting the bootloader");
 522
 523   CCECAdapterMessage params;
 524   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_START_BOOTLOADER, params);
 525   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 526   delete message;
 527   return bReturn;
 528 }
 529
 530 bool CUSBCECAdapterCommands::SetLineTimeout(uint8_t iTimeout)
 531 {
 532   LIB_CEC->AddLog(CEC_LOG_DEBUG, "setting the line timeout to %d", iTimeout);
 533   CCECAdapterMessage params;
 534   params.PushEscaped(iTimeout);
 535   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_TRANSMIT_IDLETIME, params);
 536   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 537   delete message;
 538   return bReturn;
 539 }
 540
 541 bool CUSBCECAdapterCommands::SetControlledMode(bool controlled)
 542 {
 543   LIB_CEC->AddLog(CEC_LOG_DEBUG, "turning controlled mode %s", controlled ? "on" : "off");
 544
 545   CCECAdapterMessage params;
 546   params.PushEscaped(controlled ? 1 : 0);
 547   CCECAdapterMessage *message = m_comm->SendCommand(MSGCODE_SET_CONTROLLED, params);
 548   bool bReturn = message->state == ADAPTER_MESSAGE_STATE_SENT_ACKED;
 549   delete message;
 550   return bReturn;
 551 }