cec: mark the correct device as active source after a stream path change. if the...
[deb_libcec.git] / src / lib / devices / CECBusDevice.cpp
CommitLineData
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1/*
2 * This file is part of the libCEC(R) library.
3 *
b492c10e 4 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
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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"
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34#include "../CECProcessor.h"
35#include "../implementations/ANCommandHandler.h"
36#include "../implementations/CECCommandHandler.h"
37#include "../implementations/SLCommandHandler.h"
11621576 38#include "../implementations/VLCommandHandler.h"
5477a250 39#include "../LibCEC.h"
ba65909d 40#include "../platform/util/timeutils.h"
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41
42using namespace CEC;
f00ff009 43using namespace PLATFORM;
e9de9629 44
03ae897d 45#define ToString(p) m_processor->ToString(p)
c4098482 46
e9de9629 47CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
c4098482 48 m_type(CEC_DEVICE_TYPE_RESERVED),
e9de9629 49 m_iPhysicalAddress(iPhysicalAddress),
9dc04b07 50 m_iStreamPath(0),
e9de9629 51 m_iLogicalAddress(iLogicalAddress),
e55f3f70 52 m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
e9de9629 53 m_processor(processor),
c4098482 54 m_vendor(CEC_VENDOR_UNKNOWN),
b64db02e 55 m_bReplaceHandler(false),
4abd6768 56 m_menuState(CEC_MENU_STATE_ACTIVATED),
8747dd4f 57 m_bActiveSource(false),
6a1c0009 58 m_iLastActive(0),
2efa39b7 59 m_iLastPowerStateUpdate(0),
f8ae3295 60 m_cecVersion(CEC_VERSION_UNKNOWN),
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61 m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN),
62 m_iHandlerUseCount(0),
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63 m_bAwaitingReceiveFailed(false),
64 m_bVendorIdRequested(false)
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65{
66 m_handler = new CCECCommandHandler(this);
51b2a094 67
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68 for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
69 m_menuLanguage.language[iPtr] = '?';
70 m_menuLanguage.language[3] = 0;
71 m_menuLanguage.device = iLogicalAddress;
1fcf5a3f 72
c4098482 73 m_strDeviceName = ToString(m_iLogicalAddress);
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74}
75
76CCECBusDevice::~CCECBusDevice(void)
77{
78 delete m_handler;
79}
80
93729720 81bool CCECBusDevice::HandleCommand(const cec_command &command)
f8513317 82{
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83 bool bHandled(false);
84
85 /* update "last active" */
8fa35473 86 {
f00ff009 87 CLockObject lock(m_mutex);
8fa35473 88 m_iLastActive = GetTimeMs();
f4b7b1dc 89
ba427965 90 /* don't call GetStatus() here, just read the value with the mutex locked */
d297cbd4 91 if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC && command.opcode_set == 1)
f4b7b1dc 92 m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
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93
94 MarkBusy();
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95 }
96
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97 /* handle the command */
98 bHandled = m_handler->HandleCommand(command);
8fa35473 99
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100 /* change status to present */
101 if (bHandled)
8d915412 102 {
f00ff009 103 CLockObject lock(m_mutex);
8fa35473 104 if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
8d915412 105 {
8fa35473 106 if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
5477a250 107 CLibCEC::AddLog(CEC_LOG_DEBUG, "device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
8fa35473 108 m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
8d915412 109 }
8d915412 110 }
7f919115 111
1344fd1a 112 MarkReady();
7f919115 113 return bHandled;
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114}
115
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116bool CCECBusDevice::PowerOn(void)
117{
1344fd1a 118 bool bReturn(false);
f4698390 119 GetVendorId(); // ensure that we got the vendor id, because the implementations vary per vendor
c6d7f0e1 120
1344fd1a 121 MarkBusy();
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122 cec_power_status currentStatus = GetPowerStatus(false);
123 if (currentStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON &&
124 currentStatus != CEC_POWER_STATUS_ON)
5e5637c6 125 {
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126 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
127 if (m_handler->PowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
128 {
129 SetPowerStatus(CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON);
130 bReturn = true;
131 }
132 }
133 else
134 {
135 CLibCEC::AddLog(CEC_LOG_NOTICE, "'%s' (%X) is already '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(currentStatus));
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136 }
137
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138 MarkReady();
139 return bReturn;
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140}
141
142bool CCECBusDevice::Standby(void)
143{
5477a250 144 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
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145 MarkBusy();
146 bool bReturn = m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
147 MarkReady();
148 return bReturn;
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149}
150
151/** @name Getters */
152//@{
7f919115 153cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
93729720 154{
6bbfc3f7 155 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
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156 bool bRequestUpdate(false);
157 {
f00ff009 158 CLockObject lock(m_mutex);
ddb6ac5b 159 bRequestUpdate = bIsPresent &&
6bbfc3f7 160 (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN);
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161 }
162
163 if (bRequestUpdate)
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164 {
165 CheckVendorIdRequested();
f294b22f 166 RequestCecVersion();
ebb6ddb3 167 }
f294b22f 168
f00ff009 169 CLockObject lock(m_mutex);
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170 return m_cecVersion;
171}
172
173bool CCECBusDevice::RequestCecVersion(void)
174{
175 bool bReturn(false);
b64db02e 176
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177 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
178 !IsUnsupportedFeature(CEC_OPCODE_GET_CEC_VERSION))
93729720 179 {
1344fd1a 180 MarkBusy();
5477a250 181 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
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182
183 bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 184 MarkReady();
93729720 185 }
f294b22f 186 return bReturn;
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187}
188
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189const char* CCECBusDevice::GetLogicalAddressName(void) const
190{
c4098482 191 return ToString(m_iLogicalAddress);
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192}
193
7f919115 194cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
93729720 195{
6bbfc3f7 196 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
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197 bool bRequestUpdate(false);
198 {
f00ff009 199 CLockObject lock(m_mutex);
ddb6ac5b 200 bRequestUpdate = (bIsPresent &&
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201 (bUpdate || !strcmp(m_menuLanguage.language, "???")));
202 }
203
204 if (bRequestUpdate)
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205 {
206 CheckVendorIdRequested();
f294b22f 207 RequestMenuLanguage();
ebb6ddb3 208 }
5e5637c6 209
f00ff009 210 CLockObject lock(m_mutex);
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211 return m_menuLanguage;
212}
213
214bool CCECBusDevice::RequestMenuLanguage(void)
215{
216 bool bReturn(false);
b64db02e 217
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218 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
219 !IsUnsupportedFeature(CEC_OPCODE_GET_MENU_LANGUAGE))
93729720 220 {
1344fd1a 221 MarkBusy();
5477a250 222 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473 223 bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 224 MarkReady();
93729720 225 }
f294b22f 226 return bReturn;
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227}
228
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229cec_menu_state CCECBusDevice::GetMenuState(void)
230{
f00ff009 231 CLockObject lock(m_mutex);
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232 return m_menuState;
233}
234
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235cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
236{
237 return m_processor->GetLogicalAddress();
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238}
239
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240uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
241{
242 return m_processor->GetPhysicalAddress();
243}
244
7f919115 245CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
ed21be2a 246{
6bbfc3f7 247 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
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248 bool bRequestUpdate(false);
249 {
f00ff009 250 CLockObject lock(m_mutex);
ddb6ac5b 251 bRequestUpdate = bIsPresent &&
97fc4ffb 252 (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
ddb6ac5b 253 m_type != CEC_DEVICE_TYPE_TV;
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254 }
255
256 if (bRequestUpdate)
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257 {
258 CheckVendorIdRequested();
5e5637c6 259 RequestOSDName();
ebb6ddb3 260 }
5e5637c6 261
f00ff009 262 CLockObject lock(m_mutex);
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263 return m_strDeviceName;
264}
265
266bool CCECBusDevice::RequestOSDName(void)
267{
268 bool bReturn(false);
b64db02e 269
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270 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
271 !IsUnsupportedFeature(CEC_OPCODE_GIVE_OSD_NAME))
ed21be2a 272 {
1344fd1a 273 MarkBusy();
5477a250 274 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473 275 bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 276 MarkReady();
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277 }
278 return bReturn;
279}
280
7f919115 281uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
16b1e052 282{
6bbfc3f7 283 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
97fc4ffb 284 bool bRequestUpdate(false);
16b1e052 285 {
f00ff009 286 CLockObject lock(m_mutex);
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287 bRequestUpdate = bIsPresent &&
288 (m_iPhysicalAddress == 0xFFFF || bUpdate);
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289 }
290
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291 if (bRequestUpdate)
292 {
293 CheckVendorIdRequested();
294 if (!RequestPhysicalAddress())
295 CLibCEC::AddLog(CEC_LOG_ERROR, "failed to request the physical address");
296 }
97fc4ffb 297
f00ff009 298 CLockObject lock(m_mutex);
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299 return m_iPhysicalAddress;
300}
301
302bool CCECBusDevice::RequestPhysicalAddress(void)
303{
304 bool bReturn(false);
b64db02e 305
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306 if (!MyLogicalAddressContains(m_iLogicalAddress))
307 {
1344fd1a 308 MarkBusy();
5477a250 309 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473 310 bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 311 MarkReady();
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312 }
313 return bReturn;
314}
315
7f919115 316cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
e9de9629 317{
6bbfc3f7 318 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
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319 bool bRequestUpdate(false);
320 {
f00ff009 321 CLockObject lock(m_mutex);
ddb6ac5b 322 bRequestUpdate = (bIsPresent &&
c8f0eef0 323 (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN ||
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324 m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON ||
325 m_powerStatus == CEC_POWER_STATUS_IN_TRANSITION_ON_TO_STANDBY ||
326 GetTimeMs() - m_iLastPowerStateUpdate >= CEC_POWER_STATE_REFRESH_TIME));
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327 }
328
329 if (bRequestUpdate)
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330 {
331 CheckVendorIdRequested();
f294b22f 332 RequestPowerStatus();
ebb6ddb3 333 }
5e5637c6 334
f00ff009 335 CLockObject lock(m_mutex);
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336 return m_powerStatus;
337}
338
339bool CCECBusDevice::RequestPowerStatus(void)
340{
341 bool bReturn(false);
b64db02e 342
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343 if (!MyLogicalAddressContains(m_iLogicalAddress) &&
344 !IsUnsupportedFeature(CEC_OPCODE_GIVE_DEVICE_POWER_STATUS))
93729720 345 {
1344fd1a 346 MarkBusy();
5477a250 347 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473 348 bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 349 MarkReady();
93729720 350 }
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351 return bReturn;
352}
93729720 353
7f919115 354cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
f294b22f 355{
6bbfc3f7 356 bool bIsPresent(GetStatus() == CEC_DEVICE_STATUS_PRESENT);
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357 bool bRequestUpdate(false);
358 {
f00ff009 359 CLockObject lock(m_mutex);
ddb6ac5b 360 bRequestUpdate = (bIsPresent &&
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361 (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN));
362 }
363
364 if (bRequestUpdate)
f294b22f 365 RequestVendorId();
5e5637c6 366
f00ff009 367 CLockObject lock(m_mutex);
f294b22f 368 return m_vendor;
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369}
370
f294b22f 371bool CCECBusDevice::RequestVendorId(void)
a3269a0a 372{
f294b22f 373 bool bReturn(false);
b64db02e 374
81a1e39d 375 if (!MyLogicalAddressContains(m_iLogicalAddress))
a3269a0a 376 {
1344fd1a 377 MarkBusy();
5477a250 378 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473 379 bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
1344fd1a 380 MarkReady();
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381
382 ReplaceHandler(true);
a3269a0a 383 }
f294b22f 384 return bReturn;
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385}
386
7f919115 387const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
c4098482 388{
7f919115 389 return ToString(GetVendorId(bUpdate));
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390}
391
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392bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
393{
394 return m_processor->HasLogicalAddress(address);
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395}
396
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397bool CCECBusDevice::NeedsPoll(void)
398{
399 bool bSendPoll(false);
400 switch (m_iLogicalAddress)
401 {
402 case CECDEVICE_PLAYBACKDEVICE3:
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403 {
404 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus();
405 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
406 }
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407 break;
408 case CECDEVICE_PLAYBACKDEVICE2:
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409 {
410 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus();
411 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
412 }
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413 break;
414 case CECDEVICE_RECORDINGDEVICE3:
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415 {
416 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus();
417 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
418 }
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419 break;
420 case CECDEVICE_RECORDINGDEVICE2:
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421 {
422 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus();
423 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
424 }
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425 break;
426 case CECDEVICE_TUNER4:
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427 {
428 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus();
429 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
430 }
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431 break;
432 case CECDEVICE_TUNER3:
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433 {
434 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus();
435 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
436 }
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437 break;
438 case CECDEVICE_TUNER2:
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439 {
440 cec_bus_device_status status = m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus();
441 bSendPoll = (status == CEC_DEVICE_STATUS_PRESENT || status == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
442 }
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443 break;
444 case CECDEVICE_AUDIOSYSTEM:
445 case CECDEVICE_PLAYBACKDEVICE1:
446 case CECDEVICE_RECORDINGDEVICE1:
447 case CECDEVICE_TUNER1:
448 case CECDEVICE_TV:
449 bSendPoll = true;
450 break;
451 default:
452 break;
453 }
454
455 return bSendPoll;
456}
457
458cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
f8ae3295 459{
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460 cec_bus_device_status status(CEC_DEVICE_STATUS_UNKNOWN);
461 bool bNeedsPoll(false);
462
463 {
464 CLockObject lock(m_mutex);
465 status = m_deviceStatus;
466 bNeedsPoll = (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
467 (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll));
468 }
469
470 if (bNeedsPoll)
f8ae3295 471 {
9fd73dd4 472 bool bPollAcked(false);
7b62b76e 473 if (bNeedsPoll && NeedsPoll())
9fd73dd4 474 bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
95a73fa7 475
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476 status = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
477 SetDeviceStatus(status);
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478 }
479
ba427965 480 return status;
f8ae3295
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481}
482
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483//@}
484
485/** @name Setters */
486//@{
e55f3f70 487void CCECBusDevice::SetCecVersion(const cec_version newVersion)
6a1c0009 488{
6a1c0009 489 m_cecVersion = newVersion;
5477a250 490 CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
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491}
492
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493void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
494{
f00ff009 495 CLockObject lock(m_mutex);
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496 if (language.device == m_iLogicalAddress)
497 {
5477a250 498 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
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499 m_menuLanguage = language;
500 }
501}
502
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503void CCECBusDevice::SetOSDName(CStdString strName)
504{
f00ff009 505 CLockObject lock(m_mutex);
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506 if (m_strDeviceName != strName)
507 {
5477a250 508 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName.c_str());
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509 m_strDeviceName = strName;
510 }
511}
512
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513void CCECBusDevice::SetMenuState(const cec_menu_state state)
514{
f00ff009 515 CLockObject lock(m_mutex);
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516 if (m_menuState != state)
517 {
5477a250 518 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
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519 m_menuState = state;
520 }
521}
522
3fd2a2b8 523void CCECBusDevice::SetInactiveSource(void)
7856411b 524{
3fd2a2b8 525 {
f00ff009 526 CLockObject lock(m_mutex);
24dd566c
LOK
527 if (m_bActiveSource)
528 CLibCEC::AddLog(CEC_LOG_DEBUG, "marking %s (%X) as inactive source", GetLogicalAddressName(), m_iLogicalAddress);
3fd2a2b8
LOK
529 m_bActiveSource = false;
530 }
531
532 if (MyLogicalAddressContains(m_iLogicalAddress))
533 SetPowerStatus(CEC_POWER_STATUS_STANDBY);
7856411b
LOK
534}
535
37b0c572 536void CCECBusDevice::SetActiveSource(void)
7856411b 537{
f00ff009 538 CLockObject lock(m_mutex);
ff684fef 539 if (!m_bActiveSource)
5477a250 540 CLibCEC::AddLog(CEC_LOG_DEBUG, "making %s (%x) the active source", GetLogicalAddressName(), m_iLogicalAddress);
7856411b
LOK
541
542 for (int iPtr = 0; iPtr < 16; iPtr++)
543 if (iPtr != m_iLogicalAddress)
3fd2a2b8 544 m_processor->m_busDevices[iPtr]->SetInactiveSource();
7856411b
LOK
545
546 m_bActiveSource = true;
9a2f12df 547 SetPowerStatus(CEC_POWER_STATUS_ON);
7856411b
LOK
548}
549
93fff5c1
LOK
550bool CCECBusDevice::TryLogicalAddress(void)
551{
5477a250 552 CLibCEC::AddLog(CEC_LOG_DEBUG, "trying logical address '%s'", GetLogicalAddressName());
93fff5c1 553
b81f75db 554 m_processor->SetAckMask(0);
93fff5c1
LOK
555 if (!TransmitPoll(m_iLogicalAddress))
556 {
5477a250 557 CLibCEC::AddLog(CEC_LOG_NOTICE, "using logical address '%s'", GetLogicalAddressName());
93fff5c1
LOK
558 SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
559
560 return true;
561 }
562
5477a250 563 CLibCEC::AddLog(CEC_LOG_DEBUG, "logical address '%s' already taken", GetLogicalAddressName());
93fff5c1
LOK
564 SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
565 return false;
566}
567
568void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
569{
f00ff009 570 CLockObject lock(m_mutex);
93fff5c1
LOK
571 switch (newStatus)
572 {
573 case CEC_DEVICE_STATUS_UNKNOWN:
c4287bcd
LOK
574 if (m_deviceStatus != newStatus)
575 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'unknown'", ToString(m_iLogicalAddress));
93fff5c1
LOK
576 m_iStreamPath = 0;
577 m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
578 m_vendor = CEC_VENDOR_UNKNOWN;
579 m_menuState = CEC_MENU_STATE_ACTIVATED;
580 m_bActiveSource = false;
93fff5c1
LOK
581 m_iLastActive = 0;
582 m_cecVersion = CEC_VERSION_UNKNOWN;
583 m_deviceStatus = newStatus;
584 break;
585 case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
c4287bcd
LOK
586 if (m_deviceStatus != newStatus)
587 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'handled by libCEC'", ToString(m_iLogicalAddress));
93fff5c1 588 m_iStreamPath = 0;
9a2f12df 589 m_powerStatus = CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON;
93fff5c1
LOK
590 m_vendor = CEC_VENDOR_UNKNOWN;
591 m_menuState = CEC_MENU_STATE_ACTIVATED;
592 m_bActiveSource = false;
93fff5c1
LOK
593 m_iLastActive = 0;
594 m_cecVersion = CEC_VERSION_1_3A;
595 m_deviceStatus = newStatus;
596 break;
597 case CEC_DEVICE_STATUS_PRESENT:
c4287bcd
LOK
598 if (m_deviceStatus != newStatus)
599 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'present'", ToString(m_iLogicalAddress));
600 m_deviceStatus = newStatus;
601 break;
93fff5c1 602 case CEC_DEVICE_STATUS_NOT_PRESENT:
c4287bcd
LOK
603 if (m_deviceStatus != newStatus)
604 CLibCEC::AddLog(CEC_LOG_DEBUG, "device status of %s changed into 'not present'", ToString(m_iLogicalAddress));
93fff5c1
LOK
605 m_deviceStatus = newStatus;
606 break;
607 }
608}
609
9dc04b07 610void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
93729720 611{
f00ff009 612 CLockObject lock(m_mutex);
b8176e3c 613 if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
93729720 614 {
5477a250 615 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
93729720
LOK
616 m_iPhysicalAddress = iNewAddress;
617 }
618}
619
9dc04b07
LOK
620void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
621{
f00ff009 622 CLockObject lock(m_mutex);
9dc04b07
LOK
623 if (iNewAddress > 0)
624 {
5477a250 625 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
9dc04b07 626 m_iStreamPath = iNewAddress;
96274140 627
0cb55c43
LOK
628 CCECBusDevice *device = m_processor->GetDeviceByPhysicalAddress(iNewAddress, false);
629 if (device)
630 {
631 // if a device is found with the new physical address, mark it as active, which will automatically mark all other devices as inactive
632 device->SetActiveSource();
633 }
634 else
635 {
636 // try to find the device with the old address, and mark it as inactive when found
637 device = m_processor->GetDeviceByPhysicalAddress(iOldAddress, false);
638 if (device)
639 device->SetInactiveSource();
640 }
641
96274140 642 if (iNewAddress > 0)
81a1e39d 643 {
f00ff009 644 lock.Unlock();
96274140 645 SetPowerStatus(CEC_POWER_STATUS_ON);
81a1e39d 646 }
9dc04b07
LOK
647 }
648}
649
e55f3f70
LOK
650void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
651{
f00ff009 652 CLockObject lock(m_mutex);
b0271d54
LOK
653 if (m_powerStatus != powerStatus)
654 {
2efa39b7 655 m_iLastPowerStateUpdate = GetTimeMs();
5477a250 656 CLibCEC::AddLog(CEC_LOG_DEBUG, ">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
b0271d54
LOK
657 m_powerStatus = powerStatus;
658 }
e55f3f70
LOK
659}
660
1344fd1a
LOK
661void CCECBusDevice::MarkBusy(void)
662{
663 CLockObject handlerLock(m_handlerMutex);
664 ++m_iHandlerUseCount;
665}
666
667void CCECBusDevice::MarkReady(void)
668{
669 CLockObject handlerLock(m_handlerMutex);
670 if (m_iHandlerUseCount > 0)
671 --m_iHandlerUseCount;
672}
673
3e61b350 674bool CCECBusDevice::ReplaceHandler(bool bActivateSource /* = true */)
e9de9629 675{
94e9a2af
LOK
676 bool bInitHandler(false);
677 {
678 CTryLockObject lock(m_mutex);
679 if (!lock.IsLocked())
680 return false;
2563e7eb 681
94e9a2af
LOK
682 CLockObject handlerLock(m_handlerMutex);
683 if (m_iHandlerUseCount > 0)
684 return false;
d211708b 685
94e9a2af 686 MarkBusy();
104125dc 687
94e9a2af 688 if (m_vendor != m_handler->GetVendorId())
3e61b350 689 {
94e9a2af 690 if (CCECCommandHandler::HasSpecificHandler(m_vendor))
2e49a6e4 691 {
94e9a2af
LOK
692 CLibCEC::AddLog(CEC_LOG_DEBUG, "replacing the command handler for device '%s' (%x)", GetLogicalAddressName(), GetLogicalAddress());
693 delete m_handler;
694
695 switch (m_vendor)
696 {
697 case CEC_VENDOR_SAMSUNG:
698 m_handler = new CANCommandHandler(this);
699 break;
700 case CEC_VENDOR_LG:
701 m_handler = new CSLCommandHandler(this);
702 break;
703 case CEC_VENDOR_PANASONIC:
704 m_handler = new CVLCommandHandler(this);
705 break;
706 default:
707 m_handler = new CCECCommandHandler(this);
708 break;
709 }
710
711 m_handler->SetVendorId(m_vendor);
712 bInitHandler = true;
2e49a6e4 713 }
2e49a6e4 714 }
e9de9629
LOK
715 }
716
104125dc
LOK
717 if (bInitHandler)
718 {
719 m_handler->InitHandler();
720
721 if (bActivateSource && m_processor->GetLogicalAddresses().IsSet(m_iLogicalAddress) && m_processor->IsInitialised() && IsActiveSource())
722 m_handler->ActivateSource();
723 }
724
725 MarkReady();
726
b64db02e
LOK
727 return true;
728}
729
3e61b350 730bool CCECBusDevice::SetVendorId(uint64_t iVendorId)
b64db02e
LOK
731{
732 bool bVendorChanged(false);
733
734 {
f00ff009 735 CLockObject lock(m_mutex);
b64db02e
LOK
736 bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
737 m_vendor = (cec_vendor_id)iVendorId;
b64db02e 738 }
8d915412 739
5477a250 740 CLibCEC::AddLog(CEC_LOG_DEBUG, "%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
8fa35473
LOK
741
742 return bVendorChanged;
e9de9629 743}
93729720 744//@}
e9de9629 745
93729720
LOK
746/** @name Transmit methods */
747//@{
748bool CCECBusDevice::TransmitActiveSource(void)
0f23c85c 749{
8fa35473 750 bool bSendActiveSource(false);
0f23c85c 751
8747dd4f 752 {
f00ff009 753 CLockObject lock(m_mutex);
49c8f2e4 754 if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
5477a250 755 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473
LOK
756 else if (m_bActiveSource)
757 {
5477a250 758 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
8fa35473
LOK
759 bSendActiveSource = true;
760 }
761 else
5477a250 762 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
8747dd4f
LOK
763 }
764
b64db02e
LOK
765 if (bSendActiveSource)
766 {
1344fd1a 767 MarkBusy();
468a1414 768 m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress);
1344fd1a 769 MarkReady();
b64db02e
LOK
770 return true;
771 }
772
773 return false;
0f23c85c
LOK
774}
775
29912296 776bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
0f23c85c 777{
8fa35473
LOK
778 cec_version version;
779 {
f00ff009 780 CLockObject lock(m_mutex);
5477a250 781 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
8fa35473
LOK
782 version = m_cecVersion;
783 }
0f23c85c 784
1344fd1a
LOK
785 MarkBusy();
786 bool bReturn = m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
787 MarkReady();
788 return bReturn;
0f23c85c
LOK
789}
790
49c8f2e4
LOK
791bool CCECBusDevice::TransmitImageViewOn(void)
792{
49c8f2e4 793 {
9a2f12df
LOK
794 CLockObject lock(m_mutex);
795 if (m_powerStatus != CEC_POWER_STATUS_ON && m_powerStatus != CEC_POWER_STATUS_IN_TRANSITION_STANDBY_TO_ON)
796 {
797 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
798 return false;
799 }
49c8f2e4 800 }
9a2f12df
LOK
801
802 MarkBusy();
803 m_handler->TransmitImageViewOn(m_iLogicalAddress, CECDEVICE_TV);
804 MarkReady();
805 return true;
49c8f2e4
LOK
806}
807
ab27363d 808bool CCECBusDevice::TransmitInactiveSource(void)
93729720 809{
8fa35473
LOK
810 uint16_t iPhysicalAddress;
811 {
f00ff009 812 CLockObject lock(m_mutex);
5477a250 813 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
8fa35473
LOK
814 iPhysicalAddress = m_iPhysicalAddress;
815 }
93729720 816
1344fd1a
LOK
817 MarkBusy();
818 bool bReturn = m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
819 MarkReady();
820 return bReturn;
93729720
LOK
821}
822
29912296 823bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
0f23c85c 824{
8fa35473
LOK
825 cec_menu_state menuState;
826 {
f00ff009 827 CLockObject lock(m_mutex);
5477a250 828 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
8fa35473
LOK
829 menuState = m_menuState;
830 }
0f23c85c 831
1344fd1a
LOK
832 MarkBusy();
833 bool bReturn = m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
834 MarkReady();
835 return bReturn;
0f23c85c
LOK
836}
837
29912296 838bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
0f23c85c 839{
8fa35473
LOK
840 CStdString strDeviceName;
841 {
f00ff009 842 CLockObject lock(m_mutex);
5477a250 843 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
8fa35473
LOK
844 strDeviceName = m_strDeviceName;
845 }
0f23c85c 846
1344fd1a
LOK
847 MarkBusy();
848 bool bReturn = m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
849 MarkReady();
850 return bReturn;
0f23c85c
LOK
851}
852
38bdb943
LOK
853bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
854{
1344fd1a 855 bool bReturn(false);
66c3ef5a 856 if (!m_processor->m_busDevices[dest]->IsUnsupportedFeature(CEC_OPCODE_SET_OSD_STRING))
4d738fe3 857 {
5477a250 858 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
1344fd1a
LOK
859 MarkBusy();
860 bReturn = m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
861 MarkReady();
4d738fe3 862 }
1344fd1a 863 return bReturn;
38bdb943
LOK
864}
865
29912296 866bool CCECBusDevice::TransmitPhysicalAddress(void)
0f23c85c 867{
8fa35473
LOK
868 uint16_t iPhysicalAddress;
869 cec_device_type type;
870 {
f00ff009 871 CLockObject lock(m_mutex);
8fa35473
LOK
872 if (m_iPhysicalAddress == 0xffff)
873 return false;
2bdfdeef 874
5477a250 875 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
8fa35473
LOK
876 iPhysicalAddress = m_iPhysicalAddress;
877 type = m_type;
878 }
0f23c85c 879
1344fd1a
LOK
880 MarkBusy();
881 bool bReturn = m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
882 MarkReady();
883 return bReturn;
0f23c85c
LOK
884}
885
93729720 886bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
57f45e6c
LOK
887{
888 bool bReturn(false);
93729720
LOK
889 if (dest == CECDEVICE_UNKNOWN)
890 dest = m_iLogicalAddress;
f8513317 891
b750a5c3
LOK
892 CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
893 if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
894 return bReturn;
895
1344fd1a 896 MarkBusy();
5477a250 897 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
8fa35473 898 bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
5477a250 899 CLibCEC::AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
8fa35473 900
f00ff009 901 CLockObject lock(m_mutex);
1674de37 902 if (bReturn)
8fa35473 903 {
1674de37 904 m_iLastActive = GetTimeMs();
b750a5c3 905 destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
8fa35473 906 }
b750a5c3
LOK
907 else
908 destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
1674de37 909
1344fd1a 910 MarkReady();
57f45e6c
LOK
911 return bReturn;
912}
93729720
LOK
913
914bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
915{
8fa35473
LOK
916 cec_power_status state;
917 {
f00ff009 918 CLockObject lock(m_mutex);
bbc71623 919 if (!IsActiveSource())
24dd566c
LOK
920 {
921 CLibCEC::AddLog(CEC_LOG_NOTICE, "power state requested of %s (%X), but we are not the active source. setting power state to standby", GetLogicalAddressName(), m_iLogicalAddress);
bbc71623 922 SetPowerStatus(CEC_POWER_STATUS_STANDBY);
24dd566c 923 }
bbc71623 924
5477a250 925 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
8fa35473
LOK
926 state = m_powerStatus;
927 }
93729720 928
1344fd1a
LOK
929 MarkBusy();
930 bool bReturn = m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
931 MarkReady();
932 return bReturn;
93729720
LOK
933}
934
fe6f8e37 935bool CCECBusDevice::TransmitVendorID(cec_logical_address dest, bool bSendAbort /* = true */)
93729720 936{
1344fd1a 937 bool bReturn(false);
8fa35473
LOK
938 uint64_t iVendorId;
939 {
f00ff009 940 CLockObject lock(m_mutex);
8fa35473
LOK
941 iVendorId = (uint64_t)m_vendor;
942 }
943
1344fd1a 944 MarkBusy();
8fa35473 945 if (iVendorId == CEC_VENDOR_UNKNOWN)
c4098482 946 {
fe6f8e37
LOK
947 if (bSendAbort)
948 {
5477a250 949 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
fe6f8e37 950 m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
1344fd1a 951 bReturn = true;
fe6f8e37 952 }
c4098482
LOK
953 }
954 else
955 {
5477a250 956 CLibCEC::AddLog(CEC_LOG_NOTICE, "<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
1344fd1a 957 bReturn = m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
c4098482 958 }
1344fd1a
LOK
959 MarkReady();
960 return bReturn;
93729720 961}
a33794d8 962
4bec9d79 963bool CCECBusDevice::TransmitKeypress(cec_user_control_code key, bool bWait /* = true */)
a33794d8 964{
1344fd1a
LOK
965 MarkBusy();
966 bool bReturn = m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key, bWait);
967 MarkReady();
968 return bReturn;
a33794d8
LOK
969}
970
4bec9d79 971bool CCECBusDevice::TransmitKeyRelease(bool bWait /* = true */)
a33794d8 972{
1344fd1a
LOK
973 MarkBusy();
974 bool bReturn = m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress, bWait);
975 MarkReady();
976 return bReturn;
a33794d8 977}
4d738fe3
LOK
978
979bool CCECBusDevice::IsUnsupportedFeature(cec_opcode opcode) const
980{
66c3ef5a
LOK
981 bool bUnsupported = (m_unsupportedFeatures.find(opcode) != m_unsupportedFeatures.end());
982 if (bUnsupported)
983 CLibCEC::AddLog(CEC_LOG_NOTICE, "'%s' is marked as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
984 return bUnsupported;
4d738fe3
LOK
985}
986
987void CCECBusDevice::SetUnsupportedFeature(cec_opcode opcode)
988{
66c3ef5a 989 CLibCEC::AddLog(CEC_LOG_DEBUG, "marking opcode '%s' as unsupported feature for device '%s'", ToString(opcode), GetLogicalAddressName());
4d738fe3
LOK
990 m_unsupportedFeatures.insert(opcode);
991}
b64db02e 992
3e61b350 993bool CCECBusDevice::ActivateSource(void)
b64db02e 994{
1344fd1a
LOK
995 MarkBusy();
996 bool bReturn = m_handler->ActivateSource();
997 MarkReady();
998 return bReturn;
b64db02e
LOK
999}
1000
ef583662 1001void CCECBusDevice::HandlePoll(cec_logical_address iDestination)
0cfdeb5a 1002{
ef583662
LOK
1003 CLibCEC::AddLog(CEC_LOG_DEBUG, "<< POLL: %s (%x) -> %s (%x)", ToString(m_iLogicalAddress), m_iLogicalAddress, ToString(iDestination), iDestination);
1004 m_bAwaitingReceiveFailed = true;
0cfdeb5a
LOK
1005}
1006
1007bool CCECBusDevice::HandleReceiveFailed(void)
1008{
ef583662
LOK
1009 bool bReturn = m_bAwaitingReceiveFailed;
1010 m_bAwaitingReceiveFailed = false;
1011 return bReturn;
0cfdeb5a
LOK
1012}
1013
ebb6ddb3
LOK
1014void CCECBusDevice::CheckVendorIdRequested(void)
1015{
1016 bool bRequestVendorId(false);
1017 {
1018 CLockObject lock(m_mutex);
1019 bRequestVendorId = !m_bVendorIdRequested;
1020 m_bVendorIdRequested = true;
1021 }
1022
1023 if (bRequestVendorId)
1024 {
1025 ReplaceHandler(false);
1026 GetVendorId();
1027 }
1028}
1029
93729720 1030//@}