Merge branch 'master' into release
[deb_libcec.git] / src / lib / LibCEC.cpp
... / ...
CommitLineData
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 "platform/timeutils.h"
40
41using namespace std;
42using namespace CEC;
43
44CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint8_t 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
52CLibCEC::~CLibCEC(void)
53{
54 delete m_cec;
55 m_cec = NULL;
56
57 delete m_comm;
58 m_comm = NULL;
59}
60
61bool CLibCEC::Open(const char *strPort, uint64_t 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
87void CLibCEC::Close(void)
88{
89 if (m_cec)
90 {
91 m_cec->StopThread();
92 delete m_cec;
93 m_cec = NULL;
94 }
95 if (m_comm)
96 {
97 m_comm->Close();
98 delete m_comm;
99 m_comm = NULL;
100 }
101}
102
103int CLibCEC::FindAdapters(std::vector<cec_adapter> &deviceList, const char *strDevicePath /* = NULL */)
104{
105 CStdString strDebug;
106 if (strDevicePath)
107 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
108 else
109 strDebug.Format("trying to autodetect all CEC adapters");
110 AddLog(CEC_LOG_DEBUG, strDebug);
111
112 return CAdapterDetection::FindAdapters(deviceList, strDevicePath);
113}
114
115bool CLibCEC::PingAdapter(void)
116{
117 return m_comm ? m_comm->PingAdapter() : false;
118}
119
120bool CLibCEC::StartBootloader(void)
121{
122 return m_comm ? m_comm->StartBootloader() : false;
123}
124
125int CLibCEC::GetMinVersion(void)
126{
127 return CEC_MIN_VERSION;
128}
129
130int CLibCEC::GetLibVersion(void)
131{
132 return CEC_LIB_VERSION;
133}
134
135bool CLibCEC::GetNextLogMessage(cec_log_message *message)
136{
137 return m_logBuffer.Pop(*message);
138}
139
140bool CLibCEC::GetNextKeypress(cec_keypress *key)
141{
142 return m_keyBuffer.Pop(*key);
143}
144
145bool CLibCEC::GetNextCommand(cec_command *command)
146{
147 return m_commandBuffer.Pop(*command);
148}
149
150bool CLibCEC::Transmit(const cec_frame &data, bool bWaitForAck /* = true */)
151{
152 return m_cec ? m_cec->Transmit(data, bWaitForAck) : false;
153}
154
155bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
156{
157 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
158}
159
160bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
161{
162 return m_cec ? m_cec->PowerOnDevices(address) : false;
163}
164
165bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
166{
167 return m_cec ? m_cec->StandbyDevices(address) : false;
168}
169
170bool CLibCEC::SetActiveView(void)
171{
172 return m_cec ? m_cec->SetActiveView() : false;
173}
174
175bool CLibCEC::SetInactiveView(void)
176{
177 return m_cec ? m_cec->SetInactiveView() : false;
178}
179
180void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
181{
182 cec_log_message message;
183 message.level = level;
184 message.message.assign(strMessage.c_str());
185 m_logBuffer.Push(message);
186}
187
188void CLibCEC::AddKey(void)
189{
190 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
191 {
192 cec_keypress key;
193 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
194 key.keycode = m_iCurrentButton;
195 m_keyBuffer.Push(key);
196 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
197 m_buttontime = 0;
198 }
199}
200
201void CLibCEC::AddCommand(cec_logical_address source, cec_logical_address destination, cec_opcode opcode, cec_frame *parameters)
202{
203 cec_command command;
204 command.source = source;
205 command.destination = destination;
206 command.opcode = opcode;
207 if (parameters)
208 command.parameters = *parameters;
209 if (m_commandBuffer.Push(command))
210 {
211 CStdString strDebug;
212 strDebug.Format("stored command '%d' in the command buffer. buffer size = %d", opcode, m_commandBuffer.Size());
213 AddLog(CEC_LOG_DEBUG, strDebug);
214 }
215 else
216 {
217 AddLog(CEC_LOG_WARNING, "command buffer is full");
218 }
219}
220
221void CLibCEC::CheckKeypressTimeout(void)
222{
223 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
224 {
225 AddKey();
226 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
227 }
228}
229
230void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
231{
232 m_iCurrentButton = iButtonCode;
233 m_buttontime = GetTimeMs();
234}
235
236DECLSPEC void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint8_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
237{
238 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
239}