win32: removed unneeded afxres.h include in the resource files, which is not present...
[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{
50 m_comm = new CAdapterCommunication(this);
51 m_cec = new CCECProcessor(this, m_comm, strDeviceName, types);
52}
53
2b4d8297 54CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
40339852 55 m_iStartTime(GetTimeMs()),
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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
63CLibCEC::~CLibCEC(void)
64{
12027dbe 65 Close();
2abe74eb 66 delete m_cec;
2abe74eb 67 delete m_comm;
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68}
69
25701fa6 70bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
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71{
72 if (!m_comm)
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73 {
74 AddLog(CEC_LOG_ERROR, "no comm port");
2abe74eb 75 return false;
12027dbe 76 }
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77
78 if (m_comm->IsOpen())
79 {
80 AddLog(CEC_LOG_ERROR, "connection already open");
81 return false;
82 }
83
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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)
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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
109void CLibCEC::Close(void)
110{
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111 if (m_cec)
112 m_cec->StopThread();
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113 if (m_comm)
114 m_comm->Close();
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115}
116
25701fa6 117int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
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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
25701fa6 126 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
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127}
128
129bool CLibCEC::PingAdapter(void)
130{
131 return m_comm ? m_comm->PingAdapter() : false;
132}
133
134bool CLibCEC::StartBootloader(void)
135{
136 return m_comm ? m_comm->StartBootloader() : false;
137}
138
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139bool CLibCEC::GetNextLogMessage(cec_log_message *message)
140{
25701fa6 141 return (m_logBuffer.Pop(*message));
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142}
143
144bool CLibCEC::GetNextKeypress(cec_keypress *key)
145{
146 return m_keyBuffer.Pop(*key);
147}
148
149bool CLibCEC::GetNextCommand(cec_command *command)
150{
151 return m_commandBuffer.Pop(*command);
152}
153
8d84e2c0 154bool CLibCEC::Transmit(const cec_command &data)
2abe74eb 155{
8d84e2c0 156 return m_cec ? m_cec->Transmit(data) : false;
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157}
158
159bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
160{
161 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
162}
163
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164bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress)
165{
166 return m_cec ? m_cec->SetPhysicalAddress(iPhysicalAddress) : false;
167}
168
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169bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
170{
0f23c85c 171 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->PowerOn() : false;
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172}
173
174bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
175{
0f23c85c 176 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->Standby() : false;
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177}
178
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179bool CLibCEC::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RESERVED */)
180{
181 return m_cec ? m_cec->SetActiveSource(type) : false;
182}
183
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184bool CLibCEC::SetActiveView(void)
185{
186 return m_cec ? m_cec->SetActiveView() : false;
187}
188
189bool CLibCEC::SetInactiveView(void)
190{
191 return m_cec ? m_cec->SetInactiveView() : false;
192}
193
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194bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage)
195{
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196 return m_cec && iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST ?
197 m_cec->m_busDevices[m_cec->GetLogicalAddress()]->TransmitOSDString(iLogicalAddress, duration, strMessage) :
198 false;
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199}
200
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201bool CLibCEC::SwitchMonitoring(bool bEnable)
202{
203 return m_cec ? m_cec->SwitchMonitoring(bEnable) : false;
204}
205
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206cec_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
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213bool 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
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220uint64_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
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227cec_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}
44c74256 233
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234bool 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
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241void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
242{
13fd6a66 243 if (m_cec)
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244 {
245 cec_log_message message;
246 message.level = level;
40339852 247 message.time = GetTimeMs() - m_iStartTime;
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248 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
249 m_logBuffer.Push(message);
250 }
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251}
252
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253void 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
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260void CLibCEC::AddKey(void)
261{
13fd6a66 262 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
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263 {
264 cec_keypress key;
25701fa6 265
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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;
2abe74eb 270 }
56aa08d0 271 m_buttontime = 0;
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272}
273
e9de9629 274void CLibCEC::AddCommand(const cec_command &command)
2abe74eb 275{
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276 if (m_commandBuffer.Push(command))
277 {
278 CStdString strDebug;
9dee1670 279 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size());
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280 AddLog(CEC_LOG_DEBUG, strDebug);
281 }
282 else
283 {
284 AddLog(CEC_LOG_WARNING, "command buffer is full");
285 }
286}
287
288void 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
297void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
298{
299 m_iCurrentButton = iButtonCode;
300 m_buttontime = GetTimeMs();
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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);
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308}
309
25701fa6 310void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
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311{
312 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
313}
25701fa6 314
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315void * CECInit(const char *strDeviceName, CEC::cec_device_type_list types)
316{
317 return static_cast< void* > (new CLibCEC(strDeviceName, types));
318}
319
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320void CECDestroy(CEC::ICECAdapter *instance)
321{
322 CLibCEC *lib = static_cast< CLibCEC* > (instance);
323 if (lib)
324 delete lib;
325}