| 1 | /* |
| 2 | * This file is part of the libCEC(R) library. |
| 3 | * |
| 4 | * libCEC(R) is Copyright (C) 2011 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 "LibCEC.h" |
| 34 | |
| 35 | #include "AdapterCommunication.h" |
| 36 | #include "AdapterDetection.h" |
| 37 | #include "CECProcessor.h" |
| 38 | #include "devices/CECBusDevice.h" |
| 39 | #include "util/StdString.h" |
| 40 | #include "platform/timeutils.h" |
| 41 | |
| 42 | using namespace std; |
| 43 | using namespace CEC; |
| 44 | |
| 45 | CLibCEC::CLibCEC(const char *strDeviceName, cec_device_type_list types) : |
| 46 | m_iStartTime(GetTimeMs()), |
| 47 | m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN), |
| 48 | m_buttontime(0) |
| 49 | { |
| 50 | m_cec = new CCECProcessor(this, strDeviceName, types); |
| 51 | } |
| 52 | |
| 53 | CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) : |
| 54 | m_iStartTime(GetTimeMs()), |
| 55 | m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN), |
| 56 | m_buttontime(0) |
| 57 | { |
| 58 | m_cec = new CCECProcessor(this, strDeviceName, iLogicalAddress, iPhysicalAddress); |
| 59 | } |
| 60 | |
| 61 | CLibCEC::~CLibCEC(void) |
| 62 | { |
| 63 | Close(); |
| 64 | delete m_cec; |
| 65 | } |
| 66 | |
| 67 | bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */) |
| 68 | { |
| 69 | if (m_cec->IsRunning()) |
| 70 | { |
| 71 | AddLog(CEC_LOG_ERROR, "connection already open"); |
| 72 | return false; |
| 73 | } |
| 74 | |
| 75 | if (!m_cec->Start(strPort, 38400, iTimeoutMs)) |
| 76 | { |
| 77 | AddLog(CEC_LOG_ERROR, "could not start CEC communications"); |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | void CLibCEC::Close(void) |
| 85 | { |
| 86 | if (m_cec) |
| 87 | m_cec->StopThread(); |
| 88 | } |
| 89 | |
| 90 | int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */) |
| 91 | { |
| 92 | CStdString strDebug; |
| 93 | if (strDevicePath) |
| 94 | strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath); |
| 95 | else |
| 96 | strDebug.Format("trying to autodetect all CEC adapters"); |
| 97 | AddLog(CEC_LOG_DEBUG, strDebug); |
| 98 | |
| 99 | return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath); |
| 100 | } |
| 101 | |
| 102 | bool CLibCEC::PingAdapter(void) |
| 103 | { |
| 104 | return m_cec ? m_cec->PingAdapter() : false; |
| 105 | } |
| 106 | |
| 107 | bool CLibCEC::StartBootloader(void) |
| 108 | { |
| 109 | return m_cec ? m_cec->StartBootloader() : false; |
| 110 | } |
| 111 | |
| 112 | bool CLibCEC::GetNextLogMessage(cec_log_message *message) |
| 113 | { |
| 114 | return (m_logBuffer.Pop(*message)); |
| 115 | } |
| 116 | |
| 117 | bool CLibCEC::GetNextKeypress(cec_keypress *key) |
| 118 | { |
| 119 | return m_keyBuffer.Pop(*key); |
| 120 | } |
| 121 | |
| 122 | bool CLibCEC::GetNextCommand(cec_command *command) |
| 123 | { |
| 124 | return m_commandBuffer.Pop(*command); |
| 125 | } |
| 126 | |
| 127 | bool CLibCEC::Transmit(const cec_command &data) |
| 128 | { |
| 129 | return m_cec ? m_cec->Transmit(data) : false; |
| 130 | } |
| 131 | |
| 132 | bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress) |
| 133 | { |
| 134 | return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false; |
| 135 | } |
| 136 | |
| 137 | bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) |
| 138 | { |
| 139 | return m_cec ? m_cec->SetPhysicalAddress(iPhysicalAddress) : false; |
| 140 | } |
| 141 | |
| 142 | bool CLibCEC::SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort /* = CEC_DEFAULT_HDMI_PORT */) |
| 143 | { |
| 144 | return m_cec ? m_cec->SetHDMIPort(iBaseDevice, iPort) : false; |
| 145 | } |
| 146 | |
| 147 | bool CLibCEC::EnablePhysicalAddressDetection(void) |
| 148 | { |
| 149 | return m_cec ? m_cec->EnablePhysicalAddressDetection() : false; |
| 150 | } |
| 151 | |
| 152 | bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */) |
| 153 | { |
| 154 | return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->PowerOn() : false; |
| 155 | } |
| 156 | |
| 157 | bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */) |
| 158 | { |
| 159 | return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->Standby() : false; |
| 160 | } |
| 161 | |
| 162 | bool CLibCEC::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RESERVED */) |
| 163 | { |
| 164 | return m_cec ? m_cec->SetActiveSource(type) : false; |
| 165 | } |
| 166 | |
| 167 | bool CLibCEC::SetActiveView(void) |
| 168 | { |
| 169 | return m_cec ? m_cec->SetActiveView() : false; |
| 170 | } |
| 171 | |
| 172 | bool CLibCEC::SetDeckControlMode(cec_deck_control_mode mode, bool bSendUpdate /* = true */) |
| 173 | { |
| 174 | return m_cec ? m_cec->SetDeckControlMode(mode, bSendUpdate) : false; |
| 175 | } |
| 176 | |
| 177 | bool CLibCEC::SetDeckInfo(cec_deck_info info, bool bSendUpdate /* = true */) |
| 178 | { |
| 179 | return m_cec ? m_cec->SetDeckInfo(info, bSendUpdate) : false; |
| 180 | } |
| 181 | |
| 182 | bool CLibCEC::SetInactiveView(void) |
| 183 | { |
| 184 | return m_cec ? m_cec->TransmitInactiveSource() : false; |
| 185 | } |
| 186 | |
| 187 | bool CLibCEC::SetMenuState(cec_menu_state state, bool bSendUpdate /* = true */) |
| 188 | { |
| 189 | return m_cec ? m_cec->SetMenuState(state, bSendUpdate) : false; |
| 190 | } |
| 191 | |
| 192 | bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage) |
| 193 | { |
| 194 | return m_cec && iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST ? |
| 195 | m_cec->m_busDevices[m_cec->GetLogicalAddress()]->TransmitOSDString(iLogicalAddress, duration, strMessage) : |
| 196 | false; |
| 197 | } |
| 198 | |
| 199 | bool CLibCEC::SwitchMonitoring(bool bEnable) |
| 200 | { |
| 201 | return m_cec ? m_cec->SwitchMonitoring(bEnable) : false; |
| 202 | } |
| 203 | |
| 204 | cec_version CLibCEC::GetDeviceCecVersion(cec_logical_address iAddress) |
| 205 | { |
| 206 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 207 | return m_cec->GetDeviceCecVersion(iAddress); |
| 208 | return CEC_VERSION_UNKNOWN; |
| 209 | } |
| 210 | |
| 211 | bool CLibCEC::GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language) |
| 212 | { |
| 213 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 214 | return m_cec->GetDeviceMenuLanguage(iAddress, language); |
| 215 | return false; |
| 216 | } |
| 217 | |
| 218 | uint64_t CLibCEC::GetDeviceVendorId(cec_logical_address iAddress) |
| 219 | { |
| 220 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 221 | return m_cec->GetDeviceVendorId(iAddress); |
| 222 | return 0; |
| 223 | } |
| 224 | |
| 225 | uint16_t CLibCEC::GetDevicePhysicalAddress(cec_logical_address iAddress) |
| 226 | { |
| 227 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 228 | return m_cec->GetDevicePhysicalAddress(iAddress); |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | cec_power_status CLibCEC::GetDevicePowerStatus(cec_logical_address iAddress) |
| 233 | { |
| 234 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 235 | return m_cec->GetDevicePowerStatus(iAddress); |
| 236 | return CEC_POWER_STATUS_UNKNOWN; |
| 237 | } |
| 238 | |
| 239 | bool CLibCEC::PollDevice(cec_logical_address iAddress) |
| 240 | { |
| 241 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 242 | return m_cec->PollDevice(iAddress); |
| 243 | return false; |
| 244 | } |
| 245 | |
| 246 | cec_logical_addresses CLibCEC::GetActiveDevices(void) |
| 247 | { |
| 248 | cec_logical_addresses addresses; |
| 249 | addresses.Clear(); |
| 250 | if (m_cec) |
| 251 | addresses = m_cec->GetActiveDevices(); |
| 252 | return addresses; |
| 253 | } |
| 254 | |
| 255 | bool CLibCEC::IsActiveDevice(cec_logical_address iAddress) |
| 256 | { |
| 257 | if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST) |
| 258 | return m_cec->IsActiveDevice(iAddress); |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | bool CLibCEC::IsActiveDeviceType(cec_device_type type) |
| 263 | { |
| 264 | if (m_cec && type >= CEC_DEVICE_TYPE_TV && type <= CEC_DEVICE_TYPE_AUDIO_SYSTEM) |
| 265 | return m_cec->IsActiveDeviceType(type); |
| 266 | return false; |
| 267 | } |
| 268 | |
| 269 | uint8_t CLibCEC::VolumeUp(bool bWait /* = true */) |
| 270 | { |
| 271 | if (m_cec) |
| 272 | return m_cec->VolumeUp(); |
| 273 | return 0; |
| 274 | } |
| 275 | |
| 276 | uint8_t CLibCEC::VolumeDown(bool bWait /* = true */) |
| 277 | { |
| 278 | if (m_cec) |
| 279 | return m_cec->VolumeDown(); |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | |
| 284 | uint8_t CLibCEC::MuteAudio(bool bWait /* = true */) |
| 285 | { |
| 286 | if (m_cec) |
| 287 | return m_cec->MuteAudio(); |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | bool CLibCEC::SendKeypress(cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = false */) |
| 292 | { |
| 293 | if (m_cec) |
| 294 | return m_cec->TransmitKeypress(iDestination, key); |
| 295 | return false; |
| 296 | } |
| 297 | |
| 298 | bool CLibCEC::SendKeyRelease(cec_logical_address iDestination, bool bWait /* = false */) |
| 299 | { |
| 300 | if (m_cec) |
| 301 | return m_cec->TransmitKeyRelease(iDestination); |
| 302 | return false; |
| 303 | } |
| 304 | |
| 305 | cec_osd_name CLibCEC::GetOSDName(cec_logical_address iAddress) |
| 306 | { |
| 307 | cec_osd_name retVal; |
| 308 | retVal.device = iAddress; |
| 309 | retVal.name[0] = 0; |
| 310 | |
| 311 | if (m_cec) |
| 312 | retVal = m_cec->GetDeviceOSDName(iAddress); |
| 313 | |
| 314 | return retVal; |
| 315 | } |
| 316 | |
| 317 | void CLibCEC::AddLog(cec_log_level level, const string &strMessage) |
| 318 | { |
| 319 | if (m_cec) |
| 320 | { |
| 321 | cec_log_message message; |
| 322 | message.level = level; |
| 323 | message.time = GetTimeMs() - m_iStartTime; |
| 324 | snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str()); |
| 325 | m_logBuffer.Push(message); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | void CLibCEC::AddKey(cec_keypress &key) |
| 330 | { |
| 331 | m_keyBuffer.Push(key); |
| 332 | m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN; |
| 333 | m_buttontime = 0; |
| 334 | } |
| 335 | |
| 336 | void CLibCEC::AddKey(void) |
| 337 | { |
| 338 | if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN) |
| 339 | { |
| 340 | cec_keypress key; |
| 341 | |
| 342 | key.duration = (unsigned int) (GetTimeMs() - m_buttontime); |
| 343 | key.keycode = m_iCurrentButton; |
| 344 | m_keyBuffer.Push(key); |
| 345 | m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN; |
| 346 | } |
| 347 | m_buttontime = 0; |
| 348 | } |
| 349 | |
| 350 | void CLibCEC::AddCommand(const cec_command &command) |
| 351 | { |
| 352 | if (m_commandBuffer.Push(command)) |
| 353 | { |
| 354 | CStdString strDebug; |
| 355 | strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size()); |
| 356 | AddLog(CEC_LOG_DEBUG, strDebug); |
| 357 | } |
| 358 | else |
| 359 | { |
| 360 | AddLog(CEC_LOG_WARNING, "command buffer is full"); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | void CLibCEC::CheckKeypressTimeout(void) |
| 365 | { |
| 366 | if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT) |
| 367 | { |
| 368 | AddKey(); |
| 369 | m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN; |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode) |
| 374 | { |
| 375 | m_iCurrentButton = iButtonCode; |
| 376 | m_buttontime = GetTimeMs(); |
| 377 | |
| 378 | /* push keypress to the keybuffer with 0 duration. |
| 379 | push another press to the keybuffer with the duration set when the button is released */ |
| 380 | cec_keypress key; |
| 381 | key.duration = 0; |
| 382 | key.keycode = m_iCurrentButton; |
| 383 | m_keyBuffer.Push(key); |
| 384 | } |
| 385 | |
| 386 | void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) |
| 387 | { |
| 388 | return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress)); |
| 389 | } |
| 390 | |
| 391 | void * CECInit(const char *strDeviceName, CEC::cec_device_type_list types) |
| 392 | { |
| 393 | return static_cast< void* > (new CLibCEC(strDeviceName, types)); |
| 394 | } |
| 395 | |
| 396 | void CECDestroy(CEC::ICECAdapter *instance) |
| 397 | { |
| 398 | CLibCEC *lib = static_cast< CLibCEC* > (instance); |
| 399 | if (lib) |
| 400 | delete lib; |
| 401 | } |
| 402 | |
| 403 | const char *CLibCEC::ToString(const cec_menu_state state) |
| 404 | { |
| 405 | return m_cec->ToString(state); |
| 406 | } |
| 407 | |
| 408 | const char *CLibCEC::ToString(const cec_version version) |
| 409 | { |
| 410 | return m_cec->ToString(version); |
| 411 | } |
| 412 | |
| 413 | const char *CLibCEC::ToString(const cec_power_status status) |
| 414 | { |
| 415 | return m_cec->ToString(status); |
| 416 | } |
| 417 | |
| 418 | const char *CLibCEC::ToString(const cec_logical_address address) |
| 419 | { |
| 420 | return m_cec->ToString(address); |
| 421 | } |
| 422 | |
| 423 | const char *CLibCEC::ToString(const cec_deck_control_mode mode) |
| 424 | { |
| 425 | return m_cec->ToString(mode); |
| 426 | } |
| 427 | |
| 428 | const char *CLibCEC::ToString(const cec_deck_info status) |
| 429 | { |
| 430 | return m_cec->ToString(status); |
| 431 | } |
| 432 | |
| 433 | const char *CLibCEC::ToString(const cec_opcode opcode) |
| 434 | { |
| 435 | return m_cec->ToString(opcode); |
| 436 | } |
| 437 | |
| 438 | const char *CLibCEC::ToString(const cec_system_audio_status mode) |
| 439 | { |
| 440 | return m_cec->ToString(mode); |
| 441 | } |
| 442 | |
| 443 | const char *CLibCEC::ToString(const cec_audio_status status) |
| 444 | { |
| 445 | return m_cec->ToString(status); |
| 446 | } |
| 447 | |
| 448 | const char *CLibCEC::ToString(const cec_vendor_id vendor) |
| 449 | { |
| 450 | return m_cec->ToString(vendor); |
| 451 | } |