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