Merge branch 'master' into release
[deb_libcec.git] / src / lib / LibCEC.cpp
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"
38 #include "util/StdString.h"
39 #include "util/timeutils.h"
40
41 using namespace std;
42 using namespace CEC;
43
44 CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, int iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
45 m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN),
46 m_buttontime(0)
47 {
48 m_comm = new CAdapterCommunication(this);
49 m_cec = new CCECProcessor(this, m_comm, strDeviceName, iLogicalAddress, iPhysicalAddress);
50 }
51
52 CLibCEC::~CLibCEC(void)
53 {
54 delete m_cec;
55 m_cec = NULL;
56
57 delete m_comm;
58 m_comm = NULL;
59 }
60
61 bool CLibCEC::Open(const char *strPort, int iTimeoutMs /* = 10000 */)
62 {
63 if (!m_comm)
64 return false;
65
66 if (m_comm->IsOpen())
67 {
68 AddLog(CEC_LOG_ERROR, "connection already open");
69 return false;
70 }
71
72 if (!m_comm->Open(strPort, 38400, iTimeoutMs))
73 {
74 AddLog(CEC_LOG_ERROR, "could not open a connection");
75 return false;
76 }
77
78 if (!m_cec->Start())
79 {
80 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
81 return false;
82 }
83
84 return true;
85 }
86
87 void CLibCEC::Close(void)
88 {
89 if (m_cec)
90 m_cec->StopThread();
91 if (m_comm)
92 m_comm->Close();
93 }
94
95 int CLibCEC::FindAdapters(std::vector<cec_adapter> &deviceList, const char *strDevicePath /* = NULL */)
96 {
97 CStdString strDebug;
98 if (strDevicePath)
99 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
100 else
101 strDebug.Format("trying to autodetect all CEC adapters");
102 AddLog(CEC_LOG_DEBUG, strDebug);
103
104 return CAdapterDetection::FindAdapters(deviceList, strDevicePath);
105 }
106
107 bool CLibCEC::PingAdapter(void)
108 {
109 return m_comm ? m_comm->PingAdapter() : false;
110 }
111
112 bool CLibCEC::StartBootloader(void)
113 {
114 return m_comm ? m_comm->StartBootloader() : false;
115 }
116
117 int CLibCEC::GetMinVersion(void)
118 {
119 return CEC_MIN_VERSION;
120 }
121
122 int CLibCEC::GetLibVersion(void)
123 {
124 return CEC_LIB_VERSION;
125 }
126
127 bool CLibCEC::GetNextLogMessage(cec_log_message *message)
128 {
129 return m_logBuffer.Pop(*message);
130 }
131
132 bool CLibCEC::GetNextKeypress(cec_keypress *key)
133 {
134 return m_keyBuffer.Pop(*key);
135 }
136
137 bool CLibCEC::GetNextCommand(cec_command *command)
138 {
139 return m_commandBuffer.Pop(*command);
140 }
141
142 bool CLibCEC::Transmit(const cec_frame &data, bool bWaitForAck /* = true */)
143 {
144 return m_cec ? m_cec->Transmit(data, bWaitForAck) : false;
145 }
146
147 bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
148 {
149 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
150 }
151
152 bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
153 {
154 return m_cec ? m_cec->PowerOnDevices(address) : false;
155 }
156
157 bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
158 {
159 return m_cec ? m_cec->StandbyDevices(address) : false;
160 }
161
162 bool CLibCEC::SetActiveView(void)
163 {
164 return m_cec ? m_cec->SetActiveView() : false;
165 }
166
167 bool CLibCEC::SetInactiveView(void)
168 {
169 return m_cec ? m_cec->SetInactiveView() : false;
170 }
171
172 void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
173 {
174 cec_log_message message;
175 message.level = level;
176 message.message.assign(strMessage.c_str());
177 m_logBuffer.Push(message);
178 }
179
180 void CLibCEC::AddKey(void)
181 {
182 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
183 {
184 cec_keypress key;
185 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
186 key.keycode = m_iCurrentButton;
187 m_keyBuffer.Push(key);
188 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
189 m_buttontime = 0;
190 }
191 }
192
193 void CLibCEC::AddCommand(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_frame *parameters)
194 {
195 cec_command command;
196 command.source = source;
197 command.destination = destination;
198 command.opcode = opcode;
199 if (parameters)
200 command.parameters = *parameters;
201 if (m_commandBuffer.Push(command))
202 {
203 CStdString strDebug;
204 strDebug.Format("stored command '%d' in the command buffer. buffer size = %d", opcode, m_commandBuffer.Size());
205 AddLog(CEC_LOG_DEBUG, strDebug);
206 }
207 else
208 {
209 AddLog(CEC_LOG_WARNING, "command buffer is full");
210 }
211 }
212
213 void CLibCEC::CheckKeypressTimeout(void)
214 {
215 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
216 {
217 AddKey();
218 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
219 }
220 }
221
222 void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
223 {
224 m_iCurrentButton = iButtonCode;
225 m_buttontime = GetTimeMs();
226 }
227
228 DECLSPEC void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, int iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
229 {
230 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
231 }