2 * This file is part of the libCEC(R) library.
4 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
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.
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.
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.
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
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/
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"
45 CLibCEC::CLibCEC(const char *strDeviceName
, cec_logical_address iLogicalAddress
/* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress
/* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
46 m_iStartTime(GetTimeMs()),
47 m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN
),
50 m_comm
= new CAdapterCommunication(this);
51 m_cec
= new CCECProcessor(this, m_comm
, strDeviceName
, iLogicalAddress
, iPhysicalAddress
);
54 CLibCEC::~CLibCEC(void)
65 m_commandBuffer
.Clear();
68 bool CLibCEC::Open(const char *strPort
, uint32_t iTimeoutMs
/* = 10000 */)
72 AddLog(CEC_LOG_ERROR
, "no comm port");
78 AddLog(CEC_LOG_ERROR
, "connection already open");
82 int64_t iNow
= GetTimeMs();
83 int64_t iTarget
= iNow
+ iTimeoutMs
;
86 while (!bOpened
&& iNow
< iTarget
)
88 bOpened
= m_comm
->Open(strPort
, 38400, iTimeoutMs
);
94 AddLog(CEC_LOG_ERROR
, "could not open a connection");
100 AddLog(CEC_LOG_ERROR
, "could not start CEC communications");
107 void CLibCEC::Close(void)
115 int8_t CLibCEC::FindAdapters(cec_adapter
*deviceList
, uint8_t iBufSize
, const char *strDevicePath
/* = NULL */)
119 strDebug
.Format("trying to autodetect the com port for device path '%s'", strDevicePath
);
121 strDebug
.Format("trying to autodetect all CEC adapters");
122 AddLog(CEC_LOG_DEBUG
, strDebug
);
124 return CAdapterDetection::FindAdapters(deviceList
, iBufSize
, strDevicePath
);
127 bool CLibCEC::PingAdapter(void)
129 return m_comm
? m_comm
->PingAdapter() : false;
132 bool CLibCEC::StartBootloader(void)
134 return m_comm
? m_comm
->StartBootloader() : false;
137 int8_t CLibCEC::GetMinVersion(void)
139 return CEC_MIN_VERSION
;
142 int8_t CLibCEC::GetLibVersion(void)
144 return CEC_LIB_VERSION
;
147 bool CLibCEC::GetNextLogMessage(cec_log_message
*message
)
149 return (m_logBuffer
.Pop(*message
));
152 bool CLibCEC::GetNextKeypress(cec_keypress
*key
)
154 return m_keyBuffer
.Pop(*key
);
157 bool CLibCEC::GetNextCommand(cec_command
*command
)
159 return m_commandBuffer
.Pop(*command
);
162 bool CLibCEC::Transmit(const cec_command
&data
)
164 return m_cec
? m_cec
->Transmit(data
) : false;
167 bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress
)
169 return m_cec
? m_cec
->SetLogicalAddress(iLogicalAddress
) : false;
172 bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress
)
174 return m_cec
? m_cec
->SetPhysicalAddress(iPhysicalAddress
) : false;
177 bool CLibCEC::PowerOnDevices(cec_logical_address address
/* = CECDEVICE_TV */)
179 return m_cec
&& address
>= CECDEVICE_TV
&& address
<= CECDEVICE_BROADCAST
? m_cec
->m_busDevices
[(uint8_t)address
]->PowerOn() : false;
182 bool CLibCEC::StandbyDevices(cec_logical_address address
/* = CECDEVICE_BROADCAST */)
184 return m_cec
&& address
>= CECDEVICE_TV
&& address
<= CECDEVICE_BROADCAST
? m_cec
->m_busDevices
[(uint8_t)address
]->Standby() : false;
187 bool CLibCEC::SetActiveView(void)
189 return m_cec
? m_cec
->SetActiveView() : false;
192 bool CLibCEC::SetInactiveView(void)
194 return m_cec
? m_cec
->SetInactiveView() : false;
197 bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress
, cec_display_control duration
, const char *strMessage
)
199 return m_cec
&& iLogicalAddress
>= CECDEVICE_TV
&& iLogicalAddress
<= CECDEVICE_BROADCAST
? m_cec
->m_busDevices
[(uint8_t)iLogicalAddress
]->SetOSDString(duration
, strMessage
) : false;
202 bool CLibCEC::SwitchMonitoring(bool bEnable
)
204 return m_cec
? m_cec
->SwitchMonitoring(bEnable
) : false;
207 cec_version
CLibCEC::GetDeviceCecVersion(cec_logical_address iAddress
)
209 if (m_cec
&& iAddress
>= CECDEVICE_TV
&& iAddress
< CECDEVICE_BROADCAST
)
210 return m_cec
->GetDeviceCecVersion(iAddress
);
211 return CEC_VERSION_UNKNOWN
;
214 bool CLibCEC::GetDeviceMenuLanguage(cec_logical_address iAddress
, cec_menu_language
*language
)
216 if (m_cec
&& iAddress
>= CECDEVICE_TV
&& iAddress
< CECDEVICE_BROADCAST
)
217 return m_cec
->GetDeviceMenuLanguage(iAddress
, language
);
221 void CLibCEC::AddLog(cec_log_level level
, const string
&strMessage
)
225 cec_log_message message
;
226 message
.level
= level
;
227 message
.time
= GetTimeMs() - m_iStartTime
;
228 snprintf(message
.message
, sizeof(message
.message
), "%s", strMessage
.c_str());
229 m_logBuffer
.Push(message
);
233 void CLibCEC::AddKey(void)
235 if (m_iCurrentButton
!= CEC_USER_CONTROL_CODE_UNKNOWN
)
239 key
.duration
= (unsigned int) (GetTimeMs() - m_buttontime
);
240 key
.keycode
= m_iCurrentButton
;
241 m_keyBuffer
.Push(key
);
242 m_iCurrentButton
= CEC_USER_CONTROL_CODE_UNKNOWN
;
247 void CLibCEC::AddCommand(const cec_command
&command
)
249 if (m_commandBuffer
.Push(command
))
252 strDebug
.Format("stored command '%2x' in the command buffer. buffer size = %d", command
.opcode
, m_commandBuffer
.Size());
253 AddLog(CEC_LOG_DEBUG
, strDebug
);
257 AddLog(CEC_LOG_WARNING
, "command buffer is full");
261 void CLibCEC::CheckKeypressTimeout(void)
263 if (m_iCurrentButton
!= CEC_USER_CONTROL_CODE_UNKNOWN
&& GetTimeMs() - m_buttontime
> CEC_BUTTON_TIMEOUT
)
266 m_iCurrentButton
= CEC_USER_CONTROL_CODE_UNKNOWN
;
270 void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode
)
272 m_iCurrentButton
= iButtonCode
;
273 m_buttontime
= GetTimeMs();
275 /* push keypress to the keybuffer with 0 duration.
276 push another press to the keybuffer with the duration set when the button is released */
279 key
.keycode
= m_iCurrentButton
;
280 m_keyBuffer
.Push(key
);
283 void * CECCreate(const char *strDeviceName
, CEC::cec_logical_address iLogicalAddress
/*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress
/* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
285 return static_cast< void* > (new CLibCEC(strDeviceName
, iLogicalAddress
, iPhysicalAddress
));
288 void CECDestroy(CEC::ICECAdapter
*instance
)
290 CLibCEC
*lib
= static_cast< CLibCEC
* > (instance
);