| 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 "SLCommandHandler.h" |
| 34 | #include "../devices/CECBusDevice.h" |
| 35 | #include "../devices/CECPlaybackDevice.h" |
| 36 | #include "../CECProcessor.h" |
| 37 | #include "../platform/timeutils.h" |
| 38 | |
| 39 | using namespace CEC; |
| 40 | |
| 41 | #define SL_COMMAND_UNKNOWN_01 0x01 |
| 42 | #define SL_COMMAND_UNKNOWN_02 0x02 |
| 43 | #define SL_COMMAND_UNKNOWN_03 0x05 |
| 44 | |
| 45 | #define SL_COMMAND_REQUEST_VENDOR_ID 0xa0 |
| 46 | #define SL_COMMAND_CONNECT_REQUEST 0x04 |
| 47 | #define SL_COMMAND_CONNECT_ACCEPT 0x05 |
| 48 | |
| 49 | CSLCommandHandler::CSLCommandHandler(CCECBusDevice *busDevice) : |
| 50 | CCECCommandHandler(busDevice), |
| 51 | m_bAwaitingReceiveFailed(false), |
| 52 | m_bSLEnabled(false), |
| 53 | m_bSkipNextVendorId(false) |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | bool CSLCommandHandler::HandleVendorCommand(const cec_command &command) |
| 58 | { |
| 59 | if (command.parameters.size == 1 && |
| 60 | command.parameters[0] == SL_COMMAND_UNKNOWN_01) |
| 61 | { |
| 62 | /* enable SL */ |
| 63 | cec_command response; |
| 64 | cec_command::Format(response, command.destination, command.initiator, CEC_OPCODE_VENDOR_COMMAND, m_iTransmitTimeout); |
| 65 | response.PushBack(SL_COMMAND_UNKNOWN_02); |
| 66 | response.PushBack(SL_COMMAND_UNKNOWN_03); |
| 67 | |
| 68 | Transmit(response); |
| 69 | return true; |
| 70 | } |
| 71 | else if (command.parameters.size == 2 && |
| 72 | command.parameters[0] == SL_COMMAND_CONNECT_REQUEST) |
| 73 | { |
| 74 | /* enable SL */ |
| 75 | cec_command response; |
| 76 | cec_command::Format(response, command.destination, command.initiator, CEC_OPCODE_VENDOR_COMMAND, m_iTransmitTimeout); |
| 77 | response.PushBack(SL_COMMAND_CONNECT_ACCEPT); |
| 78 | response.PushBack((uint8_t)m_busDevice->GetProcessor()->GetLogicalAddresses().primary); |
| 79 | Transmit(response); |
| 80 | |
| 81 | /* set deck status for the playback device */ |
| 82 | TransmitDeckStatus(command.initiator); |
| 83 | return true; |
| 84 | } |
| 85 | else if (command.parameters.size == 1 && |
| 86 | command.parameters[0] == SL_COMMAND_REQUEST_VENDOR_ID) |
| 87 | { |
| 88 | // if (command.destination != CECDEVICE_BROADCAST) |
| 89 | // m_busDevice->GetProcessor()->m_busDevices[m_busDevice->GetProcessor()->GetLogicalAddresses().primary]->TransmitPowerState(command.initiator); |
| 90 | return true; |
| 91 | } |
| 92 | |
| 93 | return false; |
| 94 | } |
| 95 | |
| 96 | void CSLCommandHandler::TransmitDeckStatus(const cec_logical_address iDestination) |
| 97 | { |
| 98 | /* set deck status for the playback device */ |
| 99 | CCECBusDevice *primary = m_busDevice->GetProcessor()->m_busDevices[m_busDevice->GetProcessor()->GetLogicalAddresses().primary]; |
| 100 | if (primary->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || primary->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE) |
| 101 | { |
| 102 | ((CCECPlaybackDevice *)primary)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG); |
| 103 | ((CCECPlaybackDevice *)primary)->TransmitDeckStatus(iDestination); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | bool CSLCommandHandler::TransmitLGVendorId(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 108 | { |
| 109 | cec_command response; |
| 110 | cec_command::Format(response, iInitiator, iDestination, CEC_OPCODE_DEVICE_VENDOR_ID, m_iTransmitTimeout); |
| 111 | response.parameters.PushBack((uint8_t) (((uint64_t)CEC_VENDOR_LG >> 16) & 0xFF)); |
| 112 | response.parameters.PushBack((uint8_t) (((uint64_t)CEC_VENDOR_LG >> 8) & 0xFF)); |
| 113 | response.parameters.PushBack((uint8_t) ((uint64_t)CEC_VENDOR_LG & 0xFF)); |
| 114 | |
| 115 | Transmit(response); |
| 116 | return true; |
| 117 | } |
| 118 | |
| 119 | bool CSLCommandHandler::HandleGiveDeviceVendorId(const cec_command &command) |
| 120 | { |
| 121 | /* imitate LG devices */ |
| 122 | CCECBusDevice *device = GetDevice(command.destination); |
| 123 | if (device) |
| 124 | device->SetVendorId(CEC_VENDOR_LG); |
| 125 | |
| 126 | return CCECCommandHandler::HandleGiveDeviceVendorId(command); |
| 127 | } |
| 128 | |
| 129 | bool CSLCommandHandler::HandleCommand(const cec_command &command) |
| 130 | { |
| 131 | bool bHandled(false); |
| 132 | if (m_busDevice->MyLogicalAddressContains(command.destination) || |
| 133 | command.destination == CECDEVICE_BROADCAST) |
| 134 | { |
| 135 | switch(command.opcode) |
| 136 | { |
| 137 | case CEC_OPCODE_VENDOR_COMMAND: |
| 138 | bHandled = HandleVendorCommand(command); |
| 139 | break; |
| 140 | case CEC_OPCODE_GIVE_DECK_STATUS: |
| 141 | { |
| 142 | if (command.parameters.size == 1) |
| 143 | { |
| 144 | if (command.parameters[0] == CEC_STATUS_REQUEST_ONCE || |
| 145 | command.parameters[0] == CEC_STATUS_REQUEST_ON) |
| 146 | TransmitDeckStatus(command.initiator); |
| 147 | else |
| 148 | CCECCommandHandler::HandleCommand(command); |
| 149 | } |
| 150 | bHandled = true; |
| 151 | } |
| 152 | break; |
| 153 | case CEC_OPCODE_FEATURE_ABORT: |
| 154 | { |
| 155 | if (!m_bSkipNextVendorId) |
| 156 | { |
| 157 | m_bSkipNextVendorId = true; |
| 158 | TransmitLGVendorId(m_busDevice->GetProcessor()->GetLogicalAddresses().primary, CECDEVICE_BROADCAST); |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | m_bSkipNextVendorId = false; |
| 163 | } |
| 164 | m_bSLEnabled = false; |
| 165 | } |
| 166 | bHandled = true; |
| 167 | default: |
| 168 | break; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | if (!bHandled) |
| 173 | bHandled = CCECCommandHandler::HandleCommand(command); |
| 174 | |
| 175 | return bHandled; |
| 176 | } |
| 177 | |
| 178 | void CSLCommandHandler::HandlePoll(const cec_logical_address iInitiator, const cec_logical_address iDestination) |
| 179 | { |
| 180 | CCECCommandHandler::HandlePoll(iInitiator, iDestination); |
| 181 | m_bAwaitingReceiveFailed = true; |
| 182 | } |
| 183 | |
| 184 | bool CSLCommandHandler::HandleReceiveFailed(void) |
| 185 | { |
| 186 | if (m_bAwaitingReceiveFailed) |
| 187 | { |
| 188 | m_bAwaitingReceiveFailed = false; |
| 189 | return false; |
| 190 | } |
| 191 | |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | bool CSLCommandHandler::InitHandler(void) |
| 196 | { |
| 197 | if (m_bSLEnabled) |
| 198 | return true; |
| 199 | m_bSLEnabled = true; |
| 200 | |
| 201 | m_busDevice->GetProcessor()->SetStandardLineTimeout(3); |
| 202 | m_busDevice->GetProcessor()->SetRetryLineTimeout(3); |
| 203 | |
| 204 | /* increase the number of retries because the tv is keeping the bus busy at times */ |
| 205 | m_iTransmitWait = 2000; |
| 206 | m_iTransmitRetries = 4; |
| 207 | m_iTransmitTimeout = 500; |
| 208 | |
| 209 | CCECBusDevice *primary = m_busDevice->GetProcessor()->m_busDevices[m_busDevice->GetProcessor()->GetLogicalAddresses().primary]; |
| 210 | if (m_busDevice->GetLogicalAddress() != primary->GetLogicalAddress()) |
| 211 | primary->SetVendorId(CEC_VENDOR_LG, false); |
| 212 | |
| 213 | if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV) |
| 214 | { |
| 215 | primary->TransmitVendorID(CECDEVICE_TV); |
| 216 | primary->TransmitPhysicalAddress(); |
| 217 | |
| 218 | cec_command command; |
| 219 | cec_command::Format(command, m_busDevice->GetProcessor()->GetLogicalAddresses().primary, CECDEVICE_TV, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID, m_iTransmitTimeout); |
| 220 | Transmit(command); |
| 221 | |
| 222 | /* LG TVs don't always reply to CEC version requests, so just set it to 1.3a */ |
| 223 | m_busDevice->SetCecVersion(CEC_VERSION_1_3A); |
| 224 | } |
| 225 | |
| 226 | /* LG devices always return "korean" as language */ |
| 227 | cec_menu_language lang; |
| 228 | lang.device = m_busDevice->GetLogicalAddress(); |
| 229 | snprintf(lang.language, 4, "eng"); |
| 230 | m_busDevice->SetMenuLanguage(lang); |
| 231 | |
| 232 | if (m_busDevice->GetLogicalAddress() == CECDEVICE_TV) |
| 233 | { |
| 234 | m_busDevice->GetProcessor()->SetActiveSource(m_busDevice->GetProcessor()->GetLogicalAddresses().primary); |
| 235 | /* LG TVs only route keypresses when the deck status is set to 0x20 */ |
| 236 | cec_logical_addresses addr = m_busDevice->GetProcessor()->GetLogicalAddresses(); |
| 237 | for (uint8_t iPtr = 0; iPtr < 15; iPtr++) |
| 238 | { |
| 239 | CCECBusDevice *device = m_busDevice->GetProcessor()->m_busDevices[iPtr]; |
| 240 | |
| 241 | if (addr[iPtr]) |
| 242 | { |
| 243 | if (device && (device->GetType() == CEC_DEVICE_TYPE_PLAYBACK_DEVICE || |
| 244 | device->GetType() == CEC_DEVICE_TYPE_RECORDING_DEVICE)) |
| 245 | { |
| 246 | ((CCECPlaybackDevice *)device)->SetDeckStatus(CEC_DECK_INFO_OTHER_STATUS_LG); |
| 247 | TransmitDeckStatus(CECDEVICE_TV); |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | return true; |
| 254 | } |