win32: removed unneeded afxres.h include in the resource files, which is not present...
[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 "devices/CECBusDevice.h"
39 #include "util/StdString.h"
40 #include "platform/timeutils.h"
41
42 using namespace std;
43 using namespace CEC;
44
45 CLibCEC::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 {
50 m_comm = new CAdapterCommunication(this);
51 m_cec = new CCECProcessor(this, m_comm, strDeviceName, types);
52 }
53
54 CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
55 m_iStartTime(GetTimeMs()),
56 m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN),
57 m_buttontime(0)
58 {
59 m_comm = new CAdapterCommunication(this);
60 m_cec = new CCECProcessor(this, m_comm, strDeviceName, iLogicalAddress, iPhysicalAddress);
61 }
62
63 CLibCEC::~CLibCEC(void)
64 {
65 Close();
66 delete m_cec;
67 delete m_comm;
68 }
69
70 bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
71 {
72 if (!m_comm)
73 {
74 AddLog(CEC_LOG_ERROR, "no comm port");
75 return false;
76 }
77
78 if (m_comm->IsOpen())
79 {
80 AddLog(CEC_LOG_ERROR, "connection already open");
81 return false;
82 }
83
84 int64_t iNow = GetTimeMs();
85 int64_t iTarget = iNow + iTimeoutMs;
86
87 bool bOpened(false);
88 while (!bOpened && iNow < iTarget)
89 {
90 bOpened = m_comm->Open(strPort, 38400, iTimeoutMs);
91 iNow = GetTimeMs();
92 }
93
94 if (!bOpened)
95 {
96 AddLog(CEC_LOG_ERROR, "could not open a connection");
97 return false;
98 }
99
100 if (!m_cec->Start())
101 {
102 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
103 return false;
104 }
105
106 return true;
107 }
108
109 void CLibCEC::Close(void)
110 {
111 if (m_cec)
112 m_cec->StopThread();
113 if (m_comm)
114 m_comm->Close();
115 }
116
117 int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
118 {
119 CStdString strDebug;
120 if (strDevicePath)
121 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
122 else
123 strDebug.Format("trying to autodetect all CEC adapters");
124 AddLog(CEC_LOG_DEBUG, strDebug);
125
126 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
127 }
128
129 bool CLibCEC::PingAdapter(void)
130 {
131 return m_comm ? m_comm->PingAdapter() : false;
132 }
133
134 bool CLibCEC::StartBootloader(void)
135 {
136 return m_comm ? m_comm->StartBootloader() : false;
137 }
138
139 bool CLibCEC::GetNextLogMessage(cec_log_message *message)
140 {
141 return (m_logBuffer.Pop(*message));
142 }
143
144 bool CLibCEC::GetNextKeypress(cec_keypress *key)
145 {
146 return m_keyBuffer.Pop(*key);
147 }
148
149 bool CLibCEC::GetNextCommand(cec_command *command)
150 {
151 return m_commandBuffer.Pop(*command);
152 }
153
154 bool CLibCEC::Transmit(const cec_command &data)
155 {
156 return m_cec ? m_cec->Transmit(data) : false;
157 }
158
159 bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
160 {
161 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
162 }
163
164 bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress)
165 {
166 return m_cec ? m_cec->SetPhysicalAddress(iPhysicalAddress) : false;
167 }
168
169 bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
170 {
171 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->PowerOn() : false;
172 }
173
174 bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
175 {
176 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->Standby() : false;
177 }
178
179 bool CLibCEC::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RESERVED */)
180 {
181 return m_cec ? m_cec->SetActiveSource(type) : false;
182 }
183
184 bool CLibCEC::SetActiveView(void)
185 {
186 return m_cec ? m_cec->SetActiveView() : false;
187 }
188
189 bool CLibCEC::SetInactiveView(void)
190 {
191 return m_cec ? m_cec->SetInactiveView() : false;
192 }
193
194 bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage)
195 {
196 return m_cec && iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST ?
197 m_cec->m_busDevices[m_cec->GetLogicalAddress()]->TransmitOSDString(iLogicalAddress, duration, strMessage) :
198 false;
199 }
200
201 bool CLibCEC::SwitchMonitoring(bool bEnable)
202 {
203 return m_cec ? m_cec->SwitchMonitoring(bEnable) : false;
204 }
205
206 cec_version CLibCEC::GetDeviceCecVersion(cec_logical_address iAddress)
207 {
208 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
209 return m_cec->GetDeviceCecVersion(iAddress);
210 return CEC_VERSION_UNKNOWN;
211 }
212
213 bool CLibCEC::GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language)
214 {
215 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
216 return m_cec->GetDeviceMenuLanguage(iAddress, language);
217 return false;
218 }
219
220 uint64_t CLibCEC::GetDeviceVendorId(cec_logical_address iAddress)
221 {
222 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
223 return m_cec->GetDeviceVendorId(iAddress);
224 return 0;
225 }
226
227 cec_power_status CLibCEC::GetDevicePowerStatus(cec_logical_address iAddress)
228 {
229 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
230 return m_cec->GetDevicePowerStatus(iAddress);
231 return CEC_POWER_STATUS_UNKNOWN;
232 }
233
234 bool CLibCEC::PollDevice(cec_logical_address iAddress)
235 {
236 if (m_cec && iAddress >= CECDEVICE_TV && iAddress < CECDEVICE_BROADCAST)
237 return m_cec->PollDevice(iAddress);
238 return false;
239 }
240
241 void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
242 {
243 if (m_cec)
244 {
245 cec_log_message message;
246 message.level = level;
247 message.time = GetTimeMs() - m_iStartTime;
248 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
249 m_logBuffer.Push(message);
250 }
251 }
252
253 void CLibCEC::AddKey(cec_keypress &key)
254 {
255 m_keyBuffer.Push(key);
256 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
257 m_buttontime = 0;
258 }
259
260 void CLibCEC::AddKey(void)
261 {
262 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
263 {
264 cec_keypress key;
265
266 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
267 key.keycode = m_iCurrentButton;
268 m_keyBuffer.Push(key);
269 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
270 }
271 m_buttontime = 0;
272 }
273
274 void CLibCEC::AddCommand(const cec_command &command)
275 {
276 if (m_commandBuffer.Push(command))
277 {
278 CStdString strDebug;
279 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size());
280 AddLog(CEC_LOG_DEBUG, strDebug);
281 }
282 else
283 {
284 AddLog(CEC_LOG_WARNING, "command buffer is full");
285 }
286 }
287
288 void CLibCEC::CheckKeypressTimeout(void)
289 {
290 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
291 {
292 AddKey();
293 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
294 }
295 }
296
297 void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
298 {
299 m_iCurrentButton = iButtonCode;
300 m_buttontime = GetTimeMs();
301
302 /* push keypress to the keybuffer with 0 duration.
303 push another press to the keybuffer with the duration set when the button is released */
304 cec_keypress key;
305 key.duration = 0;
306 key.keycode = m_iCurrentButton;
307 m_keyBuffer.Push(key);
308 }
309
310 void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
311 {
312 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
313 }
314
315 void * CECInit(const char *strDeviceName, CEC::cec_device_type_list types)
316 {
317 return static_cast< void* > (new CLibCEC(strDeviceName, types));
318 }
319
320 void CECDestroy(CEC::ICECAdapter *instance)
321 {
322 CLibCEC *lib = static_cast< CLibCEC* > (instance);
323 if (lib)
324 delete lib;
325 }