| 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 "CECBusDevice.h" |
| 34 | #include "../CECProcessor.h" |
| 35 | #include "../implementations/ANCommandHandler.h" |
| 36 | #include "../implementations/CECCommandHandler.h" |
| 37 | #include "../implementations/SLCommandHandler.h" |
| 38 | #include "../platform/timeutils.h" |
| 39 | |
| 40 | using namespace CEC; |
| 41 | |
| 42 | CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) : |
| 43 | m_iPhysicalAddress(iPhysicalAddress), |
| 44 | m_iLogicalAddress(iLogicalAddress), |
| 45 | m_processor(processor), |
| 46 | m_iVendorId(0), |
| 47 | m_iVendorClass(CEC_VENDOR_UNKNOWN), |
| 48 | m_iLastActive(0) |
| 49 | { |
| 50 | m_handler = new CCECCommandHandler(this); |
| 51 | } |
| 52 | |
| 53 | CCECBusDevice::~CCECBusDevice(void) |
| 54 | { |
| 55 | delete m_handler; |
| 56 | } |
| 57 | |
| 58 | cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const |
| 59 | { |
| 60 | return m_processor->GetLogicalAddress(); |
| 61 | } |
| 62 | |
| 63 | uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const |
| 64 | { |
| 65 | return m_processor->GetPhysicalAddress(); |
| 66 | } |
| 67 | |
| 68 | void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage) |
| 69 | { |
| 70 | m_processor->AddLog(level, strMessage); |
| 71 | } |
| 72 | |
| 73 | void CCECBusDevice::SetVendorId(const cec_datapacket &data) |
| 74 | { |
| 75 | if (data.size < 3) |
| 76 | { |
| 77 | AddLog(CEC_LOG_WARNING, "invalid vendor ID received"); |
| 78 | return; |
| 79 | } |
| 80 | |
| 81 | uint64_t iVendorId = ((uint64_t)data[0] << 3) + |
| 82 | ((uint64_t)data[1] << 2) + |
| 83 | (uint64_t)data[2]; |
| 84 | |
| 85 | SetVendorId(iVendorId, data.size >= 4 ? data[3] : 0); |
| 86 | } |
| 87 | |
| 88 | void CCECBusDevice::SetVendorId(uint64_t iVendorId, uint8_t iVendorClass /* = 0 */) |
| 89 | { |
| 90 | m_iVendorId = iVendorId; |
| 91 | m_iVendorClass = iVendorClass; |
| 92 | |
| 93 | switch (iVendorId) |
| 94 | { |
| 95 | case CEC_VENDOR_SAMSUNG: |
| 96 | if (m_handler->GetVendorId() != CEC_VENDOR_SAMSUNG) |
| 97 | { |
| 98 | delete m_handler; |
| 99 | m_handler = new CANCommandHandler(this); |
| 100 | } |
| 101 | break; |
| 102 | case CEC_VENDOR_LG: |
| 103 | if (m_handler->GetVendorId() != CEC_VENDOR_LG) |
| 104 | { |
| 105 | delete m_handler; |
| 106 | m_handler = new CSLCommandHandler(this); |
| 107 | } |
| 108 | break; |
| 109 | default: |
| 110 | if (m_handler->GetVendorId() != CEC_VENDOR_UNKNOWN) |
| 111 | { |
| 112 | delete m_handler; |
| 113 | m_handler = new CCECCommandHandler(this); |
| 114 | } |
| 115 | break; |
| 116 | } |
| 117 | |
| 118 | CStdString strLog; |
| 119 | strLog.Format("device %d: vendor = %s (%06x) class = %2x", m_iLogicalAddress, GetVendorName(), GetVendorId(), GetVendorClass()); |
| 120 | m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str()); |
| 121 | } |
| 122 | |
| 123 | bool CCECBusDevice::HandleCommand(const cec_command &command) |
| 124 | { |
| 125 | CLockObject lock(&m_mutex); |
| 126 | m_iLastActive = GetTimeMs(); |
| 127 | m_handler->HandleCommand(command); |
| 128 | return true; |
| 129 | } |
| 130 | |
| 131 | void CCECBusDevice::PollVendorId(void) |
| 132 | { |
| 133 | CLockObject lock(&m_mutex); |
| 134 | if (m_iLastActive > 0 && m_iLogicalAddress != CECDEVICE_BROADCAST && |
| 135 | m_iVendorId == CEC_VENDOR_UNKNOWN && |
| 136 | GetTimeMs() - m_iLastActive > 5000) |
| 137 | { |
| 138 | m_iLastActive = GetTimeMs(); |
| 139 | |
| 140 | cec_command command; |
| 141 | cec_command::format(command, GetMyLogicalAddress(), GetLogicalAddress(), CEC_OPCODE_GIVE_DEVICE_VENDOR_ID); |
| 142 | m_processor->Transmit(command, false); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */) |
| 147 | { |
| 148 | CStdString strLog; |
| 149 | strLog.Format(">> %i changed physical address from %04x to %04x", GetLogicalAddress(), m_iPhysicalAddress, iNewAddress); |
| 150 | AddLog(CEC_LOG_DEBUG, strLog.c_str()); |
| 151 | |
| 152 | m_iPhysicalAddress = iNewAddress; |
| 153 | } |
| 154 | |
| 155 | bool CCECBusDevice::PowerOn(void) |
| 156 | { |
| 157 | CStdString strLog; |
| 158 | strLog.Format("<< powering on device with logical address %d", (int8_t)m_iLogicalAddress); |
| 159 | AddLog(CEC_LOG_DEBUG, strLog.c_str()); |
| 160 | |
| 161 | cec_command command; |
| 162 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_IMAGE_VIEW_ON); |
| 163 | |
| 164 | return m_processor->Transmit(command); |
| 165 | } |
| 166 | |
| 167 | bool CCECBusDevice::Standby(void) |
| 168 | { |
| 169 | CStdString strLog; |
| 170 | strLog.Format("<< putting device with logical address %d in standby mode", (int8_t)m_iLogicalAddress); |
| 171 | AddLog(CEC_LOG_DEBUG, strLog.c_str()); |
| 172 | |
| 173 | cec_command command; |
| 174 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_STANDBY); |
| 175 | |
| 176 | return m_processor->Transmit(command); |
| 177 | } |
| 178 | |
| 179 | bool CCECBusDevice::SetOSDString(cec_display_control duration, const char *strMessage) |
| 180 | { |
| 181 | CStdString strLog; |
| 182 | strLog.Format("<< display message '%s'", strMessage); |
| 183 | AddLog(CEC_LOG_NOTICE, strLog.c_str()); |
| 184 | |
| 185 | cec_command command; |
| 186 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_SET_OSD_STRING); |
| 187 | command.parameters.push_back((uint8_t)duration); |
| 188 | |
| 189 | for (unsigned int iPtr = 0; iPtr < strlen(strMessage); iPtr++) |
| 190 | command.parameters.push_back(strMessage[iPtr]); |
| 191 | |
| 192 | return m_processor->Transmit(command); |
| 193 | } |
| 194 | |
| 195 | bool CCECBusDevice::ReportCECVersion(void) |
| 196 | { |
| 197 | AddLog(CEC_LOG_NOTICE, "<< reporting CEC version as 1.3a"); |
| 198 | |
| 199 | cec_command command; |
| 200 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_CEC_VERSION); |
| 201 | command.parameters.push_back(CEC_VERSION_1_3A); |
| 202 | |
| 203 | return m_processor->Transmit(command); |
| 204 | } |
| 205 | |
| 206 | bool CCECBusDevice::ReportDeckStatus(void) |
| 207 | { |
| 208 | // need to support opcodes play and deck control before doing anything with this |
| 209 | AddLog(CEC_LOG_NOTICE, "<< deck status requested, feature abort"); |
| 210 | m_processor->TransmitAbort(m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID); |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | bool CCECBusDevice::ReportMenuState(bool bActive /* = true */) |
| 215 | { |
| 216 | if (bActive) |
| 217 | AddLog(CEC_LOG_NOTICE, "<< reporting menu state as active"); |
| 218 | else |
| 219 | AddLog(CEC_LOG_NOTICE, "<< reporting menu state as inactive"); |
| 220 | |
| 221 | cec_command command; |
| 222 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_MENU_STATUS); |
| 223 | command.parameters.push_back(bActive ? (uint8_t) CEC_MENU_STATE_ACTIVATED : (uint8_t) CEC_MENU_STATE_DEACTIVATED); |
| 224 | |
| 225 | return m_processor->Transmit(command); |
| 226 | } |
| 227 | |
| 228 | bool CCECBusDevice::ReportOSDName(void) |
| 229 | { |
| 230 | const char *osdname = m_processor->GetDeviceName().c_str(); |
| 231 | CStdString strLog; |
| 232 | strLog.Format("<< reporting OSD name as %s", osdname); |
| 233 | AddLog(CEC_LOG_NOTICE, strLog.c_str()); |
| 234 | |
| 235 | cec_command command; |
| 236 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_SET_OSD_NAME); |
| 237 | for (unsigned int iPtr = 0; iPtr < strlen(osdname); iPtr++) |
| 238 | command.parameters.push_back(osdname[iPtr]); |
| 239 | |
| 240 | return m_processor->Transmit(command); |
| 241 | } |
| 242 | |
| 243 | bool CCECBusDevice::ReportPowerState(bool bOn /* = true */) |
| 244 | { |
| 245 | if (bOn) |
| 246 | AddLog(CEC_LOG_NOTICE, "<< reporting \"On\" power status"); |
| 247 | else |
| 248 | AddLog(CEC_LOG_NOTICE, "<< reporting \"Off\" power status"); |
| 249 | |
| 250 | cec_command command; |
| 251 | cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_REPORT_POWER_STATUS); |
| 252 | command.parameters.push_back(bOn ? (uint8_t) CEC_POWER_STATUS_ON : (uint8_t) CEC_POWER_STATUS_STANDBY); |
| 253 | |
| 254 | return m_processor->Transmit(command); |
| 255 | } |
| 256 | |
| 257 | bool CCECBusDevice::ReportVendorID(void) |
| 258 | { |
| 259 | AddLog(CEC_LOG_NOTICE, "<< vendor ID requested, feature abort"); |
| 260 | m_processor->TransmitAbort(m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID); |
| 261 | return false; |
| 262 | } |
| 263 | |
| 264 | bool CCECBusDevice::BroadcastActiveView(void) |
| 265 | { |
| 266 | AddLog(CEC_LOG_DEBUG, "<< setting active view"); |
| 267 | |
| 268 | cec_command command; |
| 269 | cec_command::format(command, GetMyLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE); |
| 270 | command.parameters.push_back((m_iPhysicalAddress >> 8) & 0xFF); |
| 271 | command.parameters.push_back(m_iPhysicalAddress & 0xFF); |
| 272 | |
| 273 | return m_processor->Transmit(command); |
| 274 | } |
| 275 | |
| 276 | bool CCECBusDevice::BroadcastInactiveView(void) |
| 277 | { |
| 278 | AddLog(CEC_LOG_DEBUG, "<< setting inactive view"); |
| 279 | |
| 280 | cec_command command; |
| 281 | cec_command::format(command, GetMyLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_INACTIVE_SOURCE); |
| 282 | command.parameters.push_back((m_iPhysicalAddress >> 8) & 0xFF); |
| 283 | command.parameters.push_back(m_iPhysicalAddress & 0xFF); |
| 284 | |
| 285 | return m_processor->Transmit(command); |
| 286 | } |
| 287 | |
| 288 | bool CCECBusDevice::BroadcastPhysicalAddress(void) |
| 289 | { |
| 290 | CStdString strLog; |
| 291 | strLog.Format("<< reporting physical address as %04x", m_iPhysicalAddress); |
| 292 | AddLog(CEC_LOG_NOTICE, strLog.c_str()); |
| 293 | |
| 294 | cec_command command; |
| 295 | cec_command::format(command, GetMyLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS); |
| 296 | command.parameters.push_back((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF)); |
| 297 | command.parameters.push_back((uint8_t) (m_iPhysicalAddress & 0xFF)); |
| 298 | command.parameters.push_back((uint8_t) (CEC_DEVICE_TYPE_PLAYBACK_DEVICE)); |
| 299 | |
| 300 | return m_processor->Transmit(command); |
| 301 | } |
| 302 | |
| 303 | bool CCECBusDevice::BroadcastActiveSource(void) |
| 304 | { |
| 305 | AddLog(CEC_LOG_NOTICE, "<< broadcasting active source"); |
| 306 | |
| 307 | cec_command command; |
| 308 | cec_command::format(command, GetMyLogicalAddress(), CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE); |
| 309 | command.parameters.push_back((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF)); |
| 310 | command.parameters.push_back((uint8_t) (m_iPhysicalAddress & 0xFF)); |
| 311 | |
| 312 | return m_processor->Transmit(command); |
| 313 | } |
| 314 | |
| 315 | const char *CCECBusDevice::CECVendorIdToString(const uint64_t iVendorId) |
| 316 | { |
| 317 | switch (iVendorId) |
| 318 | { |
| 319 | case CEC_VENDOR_SAMSUNG: |
| 320 | return "Samsung"; |
| 321 | case CEC_VENDOR_LG: |
| 322 | return "LG"; |
| 323 | default: |
| 324 | return "Unknown"; |
| 325 | } |
| 326 | } |