cec: put the message processing code from WaitForAck() in ParseMessage(). fixes missi...
[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"
38#include "util/StdString.h"
b9187cc6 39#include "platform/timeutils.h"
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40
41using namespace std;
42using namespace CEC;
43
2b4d8297 44CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
40339852 45 m_iStartTime(GetTimeMs()),
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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
53CLibCEC::~CLibCEC(void)
54{
12027dbe 55 Close();
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56 delete m_cec;
57 m_cec = NULL;
58
59 delete m_comm;
60 m_comm = NULL;
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61
62 m_logBuffer.Clear();
63 m_keyBuffer.Clear();
64 m_commandBuffer.Clear();
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65}
66
25701fa6 67bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
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68{
69 if (!m_comm)
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70 {
71 AddLog(CEC_LOG_ERROR, "no comm port");
2abe74eb 72 return false;
12027dbe 73 }
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74
75 if (m_comm->IsOpen())
76 {
77 AddLog(CEC_LOG_ERROR, "connection already open");
78 return false;
79 }
80
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81 int64_t iNow = GetTimeMs();
82 int64_t iTarget = iNow + iTimeoutMs;
83
84 bool bOpened(false);
85 while (!bOpened && iNow < iTarget)
86 {
87 bOpened = m_comm->Open(strPort, 38400, iTimeoutMs);
88 iNow = GetTimeMs();
89 }
90
91 if (!bOpened)
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92 {
93 AddLog(CEC_LOG_ERROR, "could not open a connection");
94 return false;
95 }
96
97 if (!m_cec->Start())
98 {
99 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
100 return false;
101 }
102
103 return true;
104}
105
106void CLibCEC::Close(void)
107{
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108 if (m_cec)
109 m_cec->StopThread();
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110 if (m_comm)
111 m_comm->Close();
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112}
113
25701fa6 114int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
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115{
116 CStdString strDebug;
117 if (strDevicePath)
118 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
119 else
120 strDebug.Format("trying to autodetect all CEC adapters");
121 AddLog(CEC_LOG_DEBUG, strDebug);
122
25701fa6 123 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
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124}
125
126bool CLibCEC::PingAdapter(void)
127{
128 return m_comm ? m_comm->PingAdapter() : false;
129}
130
131bool CLibCEC::StartBootloader(void)
132{
133 return m_comm ? m_comm->StartBootloader() : false;
134}
135
25701fa6 136int8_t CLibCEC::GetMinVersion(void)
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137{
138 return CEC_MIN_VERSION;
139}
140
25701fa6 141int8_t CLibCEC::GetLibVersion(void)
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142{
143 return CEC_LIB_VERSION;
144}
145
146bool CLibCEC::GetNextLogMessage(cec_log_message *message)
147{
25701fa6 148 return (m_logBuffer.Pop(*message));
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149}
150
151bool CLibCEC::GetNextKeypress(cec_keypress *key)
152{
153 return m_keyBuffer.Pop(*key);
154}
155
156bool CLibCEC::GetNextCommand(cec_command *command)
157{
158 return m_commandBuffer.Pop(*command);
159}
160
9dee1670 161bool CLibCEC::Transmit(const cec_command &data, bool bWaitForAck /* = true */)
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162{
163 return m_cec ? m_cec->Transmit(data, bWaitForAck) : false;
164}
165
166bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
167{
168 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
169}
170
171bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
172{
173 return m_cec ? m_cec->PowerOnDevices(address) : false;
174}
175
176bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
177{
178 return m_cec ? m_cec->StandbyDevices(address) : false;
179}
180
181bool CLibCEC::SetActiveView(void)
182{
183 return m_cec ? m_cec->SetActiveView() : false;
184}
185
186bool CLibCEC::SetInactiveView(void)
187{
188 return m_cec ? m_cec->SetInactiveView() : false;
189}
190
191void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
192{
13fd6a66 193 if (m_cec)
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194 {
195 cec_log_message message;
196 message.level = level;
40339852 197 message.time = GetTimeMs() - m_iStartTime;
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198 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
199 m_logBuffer.Push(message);
200 }
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201}
202
203void CLibCEC::AddKey(void)
204{
13fd6a66 205 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
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206 {
207 cec_keypress key;
25701fa6 208
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209 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
210 key.keycode = m_iCurrentButton;
211 m_keyBuffer.Push(key);
212 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
213 m_buttontime = 0;
214 }
215}
216
9dee1670 217void CLibCEC::AddCommand(cec_command &command)
2abe74eb 218{
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219 if (m_commandBuffer.Push(command))
220 {
221 CStdString strDebug;
9dee1670 222 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size());
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223 AddLog(CEC_LOG_DEBUG, strDebug);
224 }
225 else
226 {
227 AddLog(CEC_LOG_WARNING, "command buffer is full");
228 }
229}
230
231void CLibCEC::CheckKeypressTimeout(void)
232{
233 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
234 {
235 AddKey();
236 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
237 }
238}
239
240void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
241{
242 m_iCurrentButton = iButtonCode;
243 m_buttontime = GetTimeMs();
244}
245
25701fa6 246void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
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247{
248 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
249}
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250
251void CECDestroy(CEC::ICECAdapter *instance)
252{
253 CLibCEC *lib = static_cast< CLibCEC* > (instance);
254 if (lib)
255 delete lib;
256}