cec: fixed - correct source for broadcast messages
[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
2b4d8297 45CLibCEC::CLibCEC(const char *strDeviceName, cec_logical_address iLogicalAddress /* = CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */) :
40339852 46 m_iStartTime(GetTimeMs()),
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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, iLogicalAddress, iPhysicalAddress);
52}
53
54CLibCEC::~CLibCEC(void)
55{
12027dbe 56 Close();
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57 delete m_cec;
58 m_cec = NULL;
59
60 delete m_comm;
61 m_comm = NULL;
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62
63 m_logBuffer.Clear();
64 m_keyBuffer.Clear();
65 m_commandBuffer.Clear();
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66}
67
25701fa6 68bool CLibCEC::Open(const char *strPort, uint32_t iTimeoutMs /* = 10000 */)
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69{
70 if (!m_comm)
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71 {
72 AddLog(CEC_LOG_ERROR, "no comm port");
2abe74eb 73 return false;
12027dbe 74 }
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75
76 if (m_comm->IsOpen())
77 {
78 AddLog(CEC_LOG_ERROR, "connection already open");
79 return false;
80 }
81
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82 int64_t iNow = GetTimeMs();
83 int64_t iTarget = iNow + iTimeoutMs;
84
85 bool bOpened(false);
86 while (!bOpened && iNow < iTarget)
87 {
88 bOpened = m_comm->Open(strPort, 38400, iTimeoutMs);
89 iNow = GetTimeMs();
90 }
91
92 if (!bOpened)
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93 {
94 AddLog(CEC_LOG_ERROR, "could not open a connection");
95 return false;
96 }
97
98 if (!m_cec->Start())
99 {
100 AddLog(CEC_LOG_ERROR, "could not start CEC communications");
101 return false;
102 }
103
104 return true;
105}
106
107void CLibCEC::Close(void)
108{
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109 if (m_cec)
110 m_cec->StopThread();
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111 if (m_comm)
112 m_comm->Close();
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113}
114
25701fa6 115int8_t CLibCEC::FindAdapters(cec_adapter *deviceList, uint8_t iBufSize, const char *strDevicePath /* = NULL */)
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116{
117 CStdString strDebug;
118 if (strDevicePath)
119 strDebug.Format("trying to autodetect the com port for device path '%s'", strDevicePath);
120 else
121 strDebug.Format("trying to autodetect all CEC adapters");
122 AddLog(CEC_LOG_DEBUG, strDebug);
123
25701fa6 124 return CAdapterDetection::FindAdapters(deviceList, iBufSize, strDevicePath);
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125}
126
127bool CLibCEC::PingAdapter(void)
128{
129 return m_comm ? m_comm->PingAdapter() : false;
130}
131
132bool CLibCEC::StartBootloader(void)
133{
134 return m_comm ? m_comm->StartBootloader() : false;
135}
136
25701fa6 137int8_t CLibCEC::GetMinVersion(void)
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138{
139 return CEC_MIN_VERSION;
140}
141
25701fa6 142int8_t CLibCEC::GetLibVersion(void)
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143{
144 return CEC_LIB_VERSION;
145}
146
147bool CLibCEC::GetNextLogMessage(cec_log_message *message)
148{
25701fa6 149 return (m_logBuffer.Pop(*message));
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150}
151
152bool CLibCEC::GetNextKeypress(cec_keypress *key)
153{
154 return m_keyBuffer.Pop(*key);
155}
156
157bool CLibCEC::GetNextCommand(cec_command *command)
158{
159 return m_commandBuffer.Pop(*command);
160}
161
9dee1670 162bool CLibCEC::Transmit(const cec_command &data, bool bWaitForAck /* = true */)
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163{
164 return m_cec ? m_cec->Transmit(data, bWaitForAck) : false;
165}
166
167bool CLibCEC::SetLogicalAddress(cec_logical_address iLogicalAddress)
168{
169 return m_cec ? m_cec->SetLogicalAddress(iLogicalAddress) : false;
170}
171
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172bool CLibCEC::SetPhysicalAddress(uint16_t iPhysicalAddress)
173{
174 return m_cec ? m_cec->SetPhysicalAddress(iPhysicalAddress) : false;
175}
176
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177bool CLibCEC::PowerOnDevices(cec_logical_address address /* = CECDEVICE_TV */)
178{
0f23c85c 179 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->PowerOn() : false;
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180}
181
182bool CLibCEC::StandbyDevices(cec_logical_address address /* = CECDEVICE_BROADCAST */)
183{
0f23c85c 184 return m_cec && address >= CECDEVICE_TV && address <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)address]->Standby() : false;
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185}
186
187bool CLibCEC::SetActiveView(void)
188{
189 return m_cec ? m_cec->SetActiveView() : false;
190}
191
192bool CLibCEC::SetInactiveView(void)
193{
194 return m_cec ? m_cec->SetInactiveView() : false;
195}
196
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197bool CLibCEC::SetOSDString(cec_logical_address iLogicalAddress, cec_display_control duration, const char *strMessage)
198{
0f23c85c 199 return m_cec && iLogicalAddress >= CECDEVICE_TV && iLogicalAddress <= CECDEVICE_BROADCAST ? m_cec->m_busDevices[(uint8_t)iLogicalAddress]->SetOSDString(duration, strMessage) : false;
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200}
201
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202bool CLibCEC::SwitchMonitoring(bool bEnable)
203{
204 return m_cec ? m_cec->SwitchMonitoring(bEnable) : false;
205}
206
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207void CLibCEC::AddLog(cec_log_level level, const string &strMessage)
208{
13fd6a66 209 if (m_cec)
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210 {
211 cec_log_message message;
212 message.level = level;
40339852 213 message.time = GetTimeMs() - m_iStartTime;
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214 snprintf(message.message, sizeof(message.message), "%s", strMessage.c_str());
215 m_logBuffer.Push(message);
216 }
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217}
218
219void CLibCEC::AddKey(void)
220{
13fd6a66 221 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN)
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222 {
223 cec_keypress key;
25701fa6 224
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225 key.duration = (unsigned int) (GetTimeMs() - m_buttontime);
226 key.keycode = m_iCurrentButton;
227 m_keyBuffer.Push(key);
228 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
229 m_buttontime = 0;
230 }
231}
232
e9de9629 233void CLibCEC::AddCommand(const cec_command &command)
2abe74eb 234{
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235 if (m_commandBuffer.Push(command))
236 {
237 CStdString strDebug;
9dee1670 238 strDebug.Format("stored command '%2x' in the command buffer. buffer size = %d", command.opcode, m_commandBuffer.Size());
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239 AddLog(CEC_LOG_DEBUG, strDebug);
240 }
241 else
242 {
243 AddLog(CEC_LOG_WARNING, "command buffer is full");
244 }
245}
246
247void CLibCEC::CheckKeypressTimeout(void)
248{
249 if (m_iCurrentButton != CEC_USER_CONTROL_CODE_UNKNOWN && GetTimeMs() - m_buttontime > CEC_BUTTON_TIMEOUT)
250 {
251 AddKey();
252 m_iCurrentButton = CEC_USER_CONTROL_CODE_UNKNOWN;
253 }
254}
255
256void CLibCEC::SetCurrentButton(cec_user_control_code iButtonCode)
257{
258 m_iCurrentButton = iButtonCode;
259 m_buttontime = GetTimeMs();
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260
261 /* push keypress to the keybuffer with 0 duration.
262 push another press to the keybuffer with the duration set when the button is released */
263 cec_keypress key;
264 key.duration = 0;
265 key.keycode = m_iCurrentButton;
266 m_keyBuffer.Push(key);
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267}
268
25701fa6 269void * CECCreate(const char *strDeviceName, CEC::cec_logical_address iLogicalAddress /*= CEC::CECDEVICE_PLAYBACKDEVICE1 */, uint16_t iPhysicalAddress /* = CEC_DEFAULT_PHYSICAL_ADDRESS */)
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270{
271 return static_cast< void* > (new CLibCEC(strDeviceName, iLogicalAddress, iPhysicalAddress));
272}
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273
274void CECDestroy(CEC::ICECAdapter *instance)
275{
276 CLibCEC *lib = static_cast< CLibCEC* > (instance);
277 if (lib)
278 delete lib;
279}