cec: don't try to do anything before the processor thread has started
[deb_libcec.git] / src / lib / LibCEC.cpp
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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"
0f23c85c 38#include "devices/CECBusDevice.h"
2abe74eb 39#include "util/StdString.h"
b9187cc6 40#include "platform/timeutils.h"
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41
42using namespace std;
43using namespace CEC;
44
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45CLibCEC::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{
1113cb7d 50 m_cec = new CCECProcessor(this, strDeviceName, types);
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51}
52
2b4d8297 53CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
40339852 54 m_iStartTime(GetTimeMs()),
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55 m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN),
56 m_buttontime(0)
57{
1113cb7d 58 m_cec = new CCECProcessor(this, strDeviceName, iLogicalAddress, iPhysicalAddress);
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59}
60
61CLibCEC::~CLibCEC(void)
62{
12027dbe 63 Close();
2abe74eb 64 delete m_cec;
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65}
66
25701fa6 67bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
2abe74eb 68{
1113cb7d 69 if (m_cec->IsRunning())
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70 {
71 AddLog(CEC_LOG_ERROR, "connection already open");
72 return false;
73 }
74
1113cb7d 75 if (!m_cec->Start(strPort, 38400, iTimeoutMs))
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76 {
77 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
78 return false;
79 }
80
81 return true;
82}
83
84void CLibCEC::Close(void)
85{
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86 if (m_cec)
87 m_cec->StopThread();
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88}
89
25701fa6 90int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
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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
25701fa6 99 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
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100}
101
102bool CLibCEC::PingAdapter(void)
103{
1113cb7d 104 return m_cec ? m_cec->PingAdapter() : false;
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105}
106
107bool CLibCEC::StartBootloader(void)
108{
1113cb7d 109 return m_cec ? m_cec->StartBootloader() : false;
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110}
111
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112bool CLibCEC::GetNextLogMessage(cec_log_message *message)
113{
25701fa6 114 return (m_logBuffer.Pop(*message));
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115}
116
117bool CLibCEC::GetNextKeypress(cec_keypress *key)
118{
119 return m_keyBuffer.Pop(*key);
120}
121
122bool CLibCEC::GetNextCommand(cec_command *command)
123{
124 return m_commandBuffer.Pop(*command);
125}
126
8d84e2c0 127bool CLibCEC::Transmit(const cec_command &data)
2abe74eb 128{
8d84e2c0 129 return m_cec ? m_cec->Transmit(data) : false;
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130}
131
132bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
133{
134 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
135}
136
16b1e052 137bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
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138{
139 return m_cec ? m_cec->SetPhysicalAddress(iPhysicalAddress) : false;
140}
141
d2f1c157 142bool CLibCEC::SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort /* = CEC_DEFAULT_HDMI_PORT */)
16b1e052 143{
d2f1c157 144 return m_cec ? m_cec->SetHDMIPort(iBaseDevice, iPort) : false;
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145}
146
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147bool CLibCEC::EnablePhysicalAddressDetection(void)
148{
149 return m_cec ? m_cec->EnablePhysicalAddressDetection() : false;
150}
151
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152bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
153{
0f23c85c 154 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->PowerOn() : false;
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155}
156
157bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
158{
0f23c85c 159 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->Standby() : false;
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160}
161
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162bool CLibCEC::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RESERVED */)
163{
164 return m_cec ? m_cec->SetActiveSource(type) : false;
165}
166
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167bool CLibCEC::SetActiveView(void)
168{
169 return m_cec ? m_cec->SetActiveView() : false;
170}
171
28fa6c97 172bool CLibCEC::SetDeckControlMode(cec_deck_control_mode mode, bool bSendUpdate /* = true */)
a9232a79 173{
28fa6c97 174 return m_cec ? m_cec->SetDeckControlMode(mode, bSendUpdate) : false;
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175}
176
28fa6c97 177bool CLibCEC::SetDeckInfo(cec_deck_info info, bool bSendUpdate /* = true */)
a9232a79 178{
28fa6c97 179 return m_cec ? m_cec->SetDeckInfo(info, bSendUpdate) : false;
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180}
181
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182bool CLibCEC::SetInactiveView(void)
183{
8fb8355c 184 return m_cec ? m_cec->TransmitInactiveSource() : false;
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185}
186
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187bool CLibCEC::SetMenuState(cec_menu_state state, bool bSendUpdate /* = true */)
188{
189 return m_cec ? m_cec->SetMenuState(state, bSendUpdate) : false;
190}
191
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192bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage)
193{
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194 return m_cec && iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST ?
195 m_cec->m_busDevices[m_cec->GetLogicalAddress()]->TransmitOSDString(iLogicalAddress, duration, strMessage) :
196 false;
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197}
198
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199bool CLibCEC::SwitchMonitoring(bool bEnable)
200{
201 return m_cec ? m_cec->SwitchMonitoring(bEnable) : false;
202}
203
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204cec_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
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211bool 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
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218uint64_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
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225uint16_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
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232cec_logical_address CLibCEC::GetActiveSource(void)
233{
234 return m_cec ? m_cec->GetActiveSource() : CECDEVICE_UNKNOWN;
235}
236
237bool CLibCEC::IsActiveSource(cec_logical_address iAddress)
238{
239 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
240 return m_cec->IsActiveSource(iAddress);
241 return false;
242}
243
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244cec_power_status CLibCEC::GetDevicePowerStatus(cec_logical_address iAddress)
245{
246 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
247 return m_cec->GetDevicePowerStatus(iAddress);
248 return CEC_POWER_STATUS_UNKNOWN;
249}
44c74256 250
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251bool CLibCEC::PollDevice(cec_logical_address iAddress)
252{
253 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
254 return m_cec->PollDevice(iAddress);
255 return false;
256}
257
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258cec_logical_addresses CLibCEC::GetActiveDevices(void)
259{
260 cec_logical_addresses addresses;
988de7b9 261 addresses.Clear();
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262 if (m_cec)
263 addresses = m_cec->GetActiveDevices();
264 return addresses;
265}
266
267bool CLibCEC::IsActiveDevice(cec_logical_address iAddress)
268{
269 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
37b0c572 270 return m_cec->IsPresentDevice(iAddress);
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271 return false;
272}
273
274bool CLibCEC::IsActiveDeviceType(cec_device_type type)
275{
276 if (m_cec && type >= CEC_DEVICE_TYPE_TV && type <= CEC_DEVICE_TYPE_AUDIO_SYSTEM)
37b0c572 277 return m_cec->IsPresentDeviceType(type);
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278 return false;
279}
280
5c73f7f7 281uint8_t CLibCEC::VolumeUp(bool bSendRelease /* = true */)
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282{
283 if (m_cec)
5c73f7f7 284 return m_cec->VolumeUp(bSendRelease);
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285 return 0;
286}
287
5c73f7f7 288uint8_t CLibCEC::VolumeDown(bool bSendRelease /* = true */)
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289{
290 if (m_cec)
5c73f7f7 291 return m_cec->VolumeDown(bSendRelease);
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292 return 0;
293}
294
295
5c73f7f7 296uint8_t CLibCEC::MuteAudio(bool bSendRelease /* = true */)
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297{
298 if (m_cec)
5c73f7f7 299 return m_cec->MuteAudio(bSendRelease);
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300 return 0;
301}
302
4bec9d79 303bool CLibCEC::SendKeypress(cec_logical_address iDestination, cec_user_control_code key, bool bWait /* = true */)
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304{
305 if (m_cec)
4bec9d79 306 return m_cec->TransmitKeypress(iDestination, key, bWait);
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307 return false;
308}
309
4bec9d79 310bool CLibCEC::SendKeyRelease(cec_logical_address iDestination, bool bWait /* = true */)
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311{
312 if (m_cec)
4bec9d79 313 return m_cec->TransmitKeyRelease(iDestination, bWait);
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314 return false;
315}
316
f71a1df9 317cec_osd_name CLibCEC::GetDeviceOSDName(cec_logical_address iAddress)
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318{
319 cec_osd_name retVal;
320 retVal.device = iAddress;
321 retVal.name[0] = 0;
322
323 if (m_cec)
324 retVal = m_cec->GetDeviceOSDName(iAddress);
325
326 return retVal;
327}
328
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329void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
330{
13fd6a66 331 if (m_cec)
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332 {
333 cec_log_message message;
334 message.level = level;
40339852 335 message.time = GetTimeMs() - m_iStartTime;
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336 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
337 m_logBuffer.Push(message);
338 }
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339}
340
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341void CLibCEC::AddKey(cec_keypress &key)
342{
343 m_keyBuffer.Push(key);
344 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
345 m_buttontime = 0;
346}
347
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348void CLibCEC::AddKey(void)
349{
13fd6a66 350 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
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351 {
352 cec_keypress key;
25701fa6 353
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354 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
355 key.keycode = m_iCurrentButton;
356 m_keyBuffer.Push(key);
357 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
2abe74eb 358 }
56aa08d0 359 m_buttontime = 0;
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360}
361
e9de9629 362void CLibCEC::AddCommand(const cec_command &command)
2abe74eb 363{
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364 if (m_commandBuffer.Push(command))
365 {
366 CStdString strDebug;
9dee1670 367 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size());
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368 AddLog(CEC_LOG_DEBUG, strDebug);
369 }
370 else
371 {
372 AddLog(CEC_LOG_WARNING, "command buffer is full");
373 }
374}
375
376void CLibCEC::CheckKeypressTimeout(void)
377{
378 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
379 {
380 AddKey();
381 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
382 }
383}
384
385void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
386{
387 m_iCurrentButton = iButtonCode;
388 m_buttontime = GetTimeMs();
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389
390 /* push keypress to the keybuffer with 0 duration.
391 push another press to the keybuffer with the duration set when the button is released */
392 cec_keypress key;
393 key.duration = 0;
394 key.keycode = m_iCurrentButton;
395 m_keyBuffer.Push(key);
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396}
397
25701fa6 398void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
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399{
400 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
401}
25701fa6 402
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403void * CECInit(const char *strDeviceName, CEC::cec_device_type_list types)
404{
405 return static_cast< void* > (new CLibCEC(strDeviceName, types));
406}
407
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408void CECDestroy(CEC::ICECAdapter *instance)
409{
410 CLibCEC *lib = static_cast< CLibCEC* > (instance);
411 if (lib)
412 delete lib;
413}
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414
415const char *CLibCEC::ToString(const cec_menu_state state)
416{
417 return m_cec->ToString(state);
418}
419
420const char *CLibCEC::ToString(const cec_version version)
421{
422 return m_cec->ToString(version);
423}
424
425const char *CLibCEC::ToString(const cec_power_status status)
426{
427 return m_cec->ToString(status);
428}
429
430const char *CLibCEC::ToString(const cec_logical_address address)
431{
432 return m_cec->ToString(address);
433}
434
435const char *CLibCEC::ToString(const cec_deck_control_mode mode)
436{
437 return m_cec->ToString(mode);
438}
439
440const char *CLibCEC::ToString(const cec_deck_info status)
441{
442 return m_cec->ToString(status);
443}
444
445const char *CLibCEC::ToString(const cec_opcode opcode)
446{
447 return m_cec->ToString(opcode);
448}
449
450const char *CLibCEC::ToString(const cec_system_audio_status mode)
451{
452 return m_cec->ToString(mode);
453}
454
455const char *CLibCEC::ToString(const cec_audio_status status)
456{
457 return m_cec->ToString(status);
458}
459
460const char *CLibCEC::ToString(const cec_vendor_id vendor)
461{
462 return m_cec->ToString(vendor);
463}