cec: eom was not being parsed when receiving MSGCODE_FRAME_DATA. fixed. thanks again...
[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 "platform/timeutils.h"
40
41 using namespace std;
42 using namespace CEC;
43
44 CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
45 m_iStartTime(GetTimeMs()),
46 m_iCurrentButton(CEC_USER_CONTROL_CODE_UNKNOWN),
47 m_buttontime(0)
48 {
49 m_comm = new CAdapterCommunication(this);
50 m_cec = new CCECProcessor(this, m_comm, strDeviceName, iLogicalAddress, iPhysicalAddress);
51 }
52
53 CLibCEC::~CLibCEC(void)
54 {
55 Close();
56 delete m_cec;
57 m_cec = NULL;
58
59 delete m_comm;
60 m_comm = NULL;
61
62 m_logBuffer.Clear();
63 m_keyBuffer.Clear();
64 m_commandBuffer.Clear();
65 }
66
67 bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
68 {
69 if (!m_comm)
70 {
71 AddLog(CEC_LOG_ERROR, "no comm port");
72 return false;
73 }
74
75 if (m_comm->IsOpen())
76 {
77 AddLog(CEC_LOG_ERROR, "connection already open");
78 return false;
79 }
80
81 if (!m_comm->Open(strPort, 38400, iTimeoutMs))
82 {
83 AddLog(CEC_LOG_ERROR, "could not open a connection");
84 return false;
85 }
86
87 if (!m_cec->Start())
88 {
89 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
90 return false;
91 }
92
93 return true;
94 }
95
96 void CLibCEC::Close(void)
97 {
98 if (m_cec)
99 m_cec->StopThread();
100 if (m_comm)
101 m_comm->Close();
102 }
103
104 int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
105 {
106 CStdString strDebug;
107 if (strDevicePath)
108 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
109 else
110 strDebug.Format("trying to autodetect all CEC adapters");
111 AddLog(CEC_LOG_DEBUG, strDebug);
112
113 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
114 }
115
116 bool CLibCEC::PingAdapter(void)
117 {
118 return m_comm ? m_comm->PingAdapter() : false;
119 }
120
121 bool CLibCEC::StartBootloader(void)
122 {
123 return m_comm ? m_comm->StartBootloader() : false;
124 }
125
126 int8_t CLibCEC::GetMinVersion(void)
127 {
128 return CEC_MIN_VERSION;
129 }
130
131 int8_t CLibCEC::GetLibVersion(void)
132 {
133 return CEC_LIB_VERSION;
134 }
135
136 bool CLibCEC::GetNextLogMessage(cec_log_message *message)
137 {
138 return (m_logBuffer.Pop(*message));
139 }
140
141 bool CLibCEC::GetNextKeypress(cec_keypress *key)
142 {
143 return m_keyBuffer.Pop(*key);
144 }
145
146 bool CLibCEC::GetNextCommand(cec_command *command)
147 {
148 return m_commandBuffer.Pop(*command);
149 }
150
151 bool CLibCEC::Transmit(const cec_command &data, bool bWaitForAck /* = true */)
152 {
153 return m_cec ? m_cec->Transmit(data, bWaitForAck) : false;
154 }
155
156 bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
157 {
158 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
159 }
160
161 bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
162 {
163 return m_cec ? m_cec->PowerOnDevices(address) : false;
164 }
165
166 bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
167 {
168 return m_cec ? m_cec->StandbyDevices(address) : false;
169 }
170
171 bool CLibCEC::SetActiveView(void)
172 {
173 return m_cec ? m_cec->SetActiveView() : false;
174 }
175
176 bool CLibCEC::SetInactiveView(void)
177 {
178 return m_cec ? m_cec->SetInactiveView() : false;
179 }
180
181 void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
182 {
183 if (m_cec)
184 {
185 cec_log_message message;
186 message.level = level;
187 message.time = GetTimeMs() - m_iStartTime;
188 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
189 m_logBuffer.Push(message);
190 }
191 }
192
193 void CLibCEC::AddKey(void)
194 {
195 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
196 {
197 cec_keypress key;
198
199 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
200 key.keycode = m_iCurrentButton;
201 m_keyBuffer.Push(key);
202 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
203 m_buttontime = 0;
204 }
205 }
206
207 void CLibCEC::AddCommand(cec_command &command)
208 {
209 if (m_commandBuffer.Push(command))
210 {
211 CStdString strDebug;
212 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.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
221 void 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
230 void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
231 {
232 m_iCurrentButton = iButtonCode;
233 m_buttontime = GetTimeMs();
234 }
235
236 void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
237 {
238 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
239 }
240
241 void CECDestroy(CEC::ICECAdapter *instance)
242 {
243 CLibCEC *lib = static_cast< CLibCEC* > (instance);
244 if (lib)
245 delete lib;
246 }