Commit | Line | Data |
---|---|---|
a8f0bd18 LOK |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
b492c10e | 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
a8f0bd18 LOK |
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 | ||
7bb4ed43 | 33 | #include "USBCECAdapterCommunication.h" |
ba65909d LOK |
34 | #include "../platform/sockets/serialport.h" |
35 | #include "../platform/util/timeutils.h" | |
5477a250 | 36 | #include "../LibCEC.h" |
7bb4ed43 | 37 | #include "../CECProcessor.h" |
a8f0bd18 LOK |
38 | |
39 | using namespace std; | |
40 | using namespace CEC; | |
f00ff009 | 41 | using namespace PLATFORM; |
a8f0bd18 | 42 | |
7bb4ed43 | 43 | CUSBCECAdapterCommunication::CUSBCECAdapterCommunication(CCECProcessor *processor, const char *strPort, uint16_t iBaudRate /* = 38400 */) : |
12027dbe | 44 | m_port(NULL), |
a171d2fd | 45 | m_processor(processor), |
960f33c6 | 46 | m_bHasData(false), |
1fc16cfd | 47 | m_iLineTimeout(0), |
7bb4ed43 LOK |
48 | m_iFirmwareVersion(CEC_FW_VERSION_UNKNOWN), |
49 | m_lastInitiator(CECDEVICE_UNKNOWN), | |
50 | m_bNextIsEscaped(false), | |
51 | m_bGotStart(false) | |
a8f0bd18 | 52 | { |
99666519 | 53 | m_port = new PLATFORM::CSerialPort(strPort, iBaudRate); |
a8f0bd18 LOK |
54 | } |
55 | ||
7bb4ed43 | 56 | CUSBCECAdapterCommunication::~CUSBCECAdapterCommunication(void) |
a8f0bd18 | 57 | { |
12027dbe | 58 | Close(); |
a8f0bd18 LOK |
59 | } |
60 | ||
efed01e1 | 61 | bool CUSBCECAdapterCommunication::CheckAdapter(uint32_t iTimeoutMs /* = 10000 */) |
a8f0bd18 | 62 | { |
efed01e1 | 63 | bool bReturn(false); |
7b494bea | 64 | uint64_t iNow = GetTimeMs(); |
efed01e1 | 65 | uint64_t iTarget = iTimeoutMs > 0 ? iNow + iTimeoutMs : iNow + CEC_DEFAULT_TRANSMIT_WAIT; |
7b494bea | 66 | |
efed01e1 LOK |
67 | /* try to ping the adapter */ |
68 | bool bPinged(false); | |
69 | unsigned iPingTry(0); | |
70 | while (iNow < iTarget && (bPinged = PingAdapter()) == false) | |
13fd6a66 | 71 | { |
efed01e1 LOK |
72 | CLibCEC::AddLog(CEC_LOG_ERROR, "the adapter did not respond correctly to a ping (try %d)", ++iPingTry); |
73 | Sleep(500); | |
74 | iNow = GetTimeMs(); | |
13fd6a66 LOK |
75 | } |
76 | ||
efed01e1 LOK |
77 | /* try to read the firmware version */ |
78 | m_iFirmwareVersion = CEC_FW_VERSION_UNKNOWN; | |
79 | unsigned iFwVersionTry(0); | |
80 | while (bPinged && iNow < iTarget && (m_iFirmwareVersion = GetFirmwareVersion()) == CEC_FW_VERSION_UNKNOWN) | |
13fd6a66 | 81 | { |
efed01e1 LOK |
82 | CLibCEC::AddLog(CEC_LOG_ERROR, "the adapter did not respond with a correct firmware version (try %d)", ++iFwVersionTry); |
83 | Sleep(500); | |
84 | iNow = GetTimeMs(); | |
13fd6a66 | 85 | } |
a8f0bd18 | 86 | |
efed01e1 | 87 | if (m_iFirmwareVersion >= 2) |
7b494bea | 88 | { |
efed01e1 LOK |
89 | /* try to set controlled mode */ |
90 | unsigned iControlledTry(0); | |
91 | bool bControlled(false); | |
92 | while (iNow < iTarget && (bControlled = SetControlledMode(true)) == false) | |
7b494bea | 93 | { |
efed01e1 LOK |
94 | CLibCEC::AddLog(CEC_LOG_ERROR, "the adapter did not respond correctly to setting controlled mode (try %d)", ++iControlledTry); |
95 | Sleep(500); | |
7b494bea LOK |
96 | iNow = GetTimeMs(); |
97 | } | |
efed01e1 | 98 | bReturn = bControlled; |
7b494bea | 99 | } |
efed01e1 LOK |
100 | else |
101 | bReturn = true; | |
7b494bea | 102 | |
efed01e1 LOK |
103 | return bReturn; |
104 | } | |
a8f0bd18 | 105 | |
efed01e1 LOK |
106 | bool CUSBCECAdapterCommunication::Open(IAdapterCommunicationCallback *cb, uint32_t iTimeoutMs /* = 10000 */) |
107 | { | |
108 | uint64_t iNow = GetTimeMs(); | |
109 | uint64_t iTimeout = iNow + iTimeoutMs; | |
a8f0bd18 | 110 | |
2c780401 | 111 | { |
efed01e1 LOK |
112 | CLockObject lock(m_mutex); |
113 | ||
114 | if (!m_port) | |
115 | { | |
116 | CLibCEC::AddLog(CEC_LOG_ERROR, "port is NULL"); | |
117 | return false; | |
118 | } | |
119 | ||
120 | if (IsOpen()) | |
121 | { | |
122 | CLibCEC::AddLog(CEC_LOG_ERROR, "port is already open"); | |
123 | return true; | |
124 | } | |
125 | ||
126 | m_callback = cb; | |
127 | CStdString strError; | |
128 | bool bConnected(false); | |
129 | while (!bConnected && iNow < iTimeout) | |
130 | { | |
131 | if ((bConnected = m_port->Open(iTimeout)) == false) | |
132 | { | |
133 | strError.Format("error opening serial port '%s': %s", m_port->GetName().c_str(), m_port->GetError().c_str()); | |
134 | Sleep(250); | |
135 | iNow = GetTimeMs(); | |
136 | } | |
137 | } | |
138 | ||
139 | if (!bConnected) | |
140 | { | |
141 | CLibCEC::AddLog(CEC_LOG_ERROR, strError); | |
142 | return false; | |
143 | } | |
144 | ||
145 | CLibCEC::AddLog(CEC_LOG_DEBUG, "connection opened, clearing any previous input and waiting for active transmissions to end before starting"); | |
146 | ||
147 | //clear any input bytes | |
148 | uint8_t buff[1024]; | |
149 | while (m_port->Read(buff, 1024, 100) > 0) | |
150 | { | |
151 | CLibCEC::AddLog(CEC_LOG_DEBUG, "data received, clearing it"); | |
152 | Sleep(250); | |
153 | } | |
2c780401 | 154 | } |
a8f0bd18 | 155 | |
828682d3 | 156 | if (CreateThread()) |
a8f0bd18 | 157 | { |
efed01e1 LOK |
158 | if (!CheckAdapter()) |
159 | { | |
160 | StopThread(); | |
161 | CLibCEC::AddLog(CEC_LOG_ERROR, "the adapter failed to pass basic checks"); | |
162 | } | |
163 | else | |
164 | { | |
165 | CLibCEC::AddLog(CEC_LOG_DEBUG, "communication thread started"); | |
166 | return true; | |
167 | } | |
a8f0bd18 | 168 | } |
efed01e1 | 169 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not create a communication thread"); |
a8f0bd18 LOK |
170 | |
171 | return false; | |
172 | } | |
173 | ||
7bb4ed43 | 174 | void CUSBCECAdapterCommunication::Close(void) |
a8f0bd18 | 175 | { |
b9eea66d | 176 | StopThread(); |
a8f0bd18 LOK |
177 | } |
178 | ||
7bb4ed43 | 179 | void *CUSBCECAdapterCommunication::Process(void) |
a8f0bd18 | 180 | { |
b1f94db1 | 181 | cec_command command; |
efed01e1 | 182 | bool bCommandReceived(false); |
13fd6a66 | 183 | while (!IsStopped()) |
a8f0bd18 | 184 | { |
efed01e1 LOK |
185 | { |
186 | CLockObject lock(m_mutex); | |
187 | ReadFromDevice(50); | |
188 | bCommandReceived = m_callback && Read(command, 0); | |
189 | } | |
b1f94db1 LOK |
190 | |
191 | /* push the next command to the callback method if there is one */ | |
efed01e1 | 192 | if (!IsStopped() && bCommandReceived) |
b1f94db1 LOK |
193 | m_callback->OnCommandReceived(command); |
194 | ||
efed01e1 LOK |
195 | if (!IsStopped()) |
196 | { | |
197 | Sleep(5); | |
198 | WriteNextCommand(); | |
199 | } | |
a8f0bd18 LOK |
200 | } |
201 | ||
f9e01dac | 202 | /* notify all threads that are waiting on messages to be sent */ |
ef7696f5 | 203 | CCECAdapterMessage *msg(NULL); |
f9e01dac | 204 | while (m_outBuffer.Pop(msg)) |
960f33c6 | 205 | msg->event.Broadcast(); |
a0878ee3 | 206 | |
f9e01dac LOK |
207 | /* set the ackmask to 0 before closing the connection */ |
208 | SetAckMaskInternal(0, true); | |
209 | ||
9f9c8c82 LOK |
210 | if (m_port) |
211 | { | |
212 | delete m_port; | |
213 | m_port = NULL; | |
214 | } | |
215 | ||
a8f0bd18 LOK |
216 | return NULL; |
217 | } | |
218 | ||
7bb4ed43 LOK |
219 | cec_adapter_message_state CUSBCECAdapterCommunication::Write(const cec_command &data, uint8_t iMaxTries, uint8_t iLineTimeout /* = 3 */, uint8_t iRetryLineTimeout /* = 3 */) |
220 | { | |
221 | cec_adapter_message_state retVal(ADAPTER_MESSAGE_STATE_UNKNOWN); | |
9f68cc28 LOK |
222 | if (!IsRunning()) |
223 | return retVal; | |
7bb4ed43 LOK |
224 | |
225 | CCECAdapterMessage *output = new CCECAdapterMessage(data); | |
226 | ||
227 | /* set the number of retries */ | |
228 | if (data.opcode == CEC_OPCODE_NONE) //TODO | |
229 | output->maxTries = 1; | |
230 | else if (data.initiator != CECDEVICE_BROADCAST) | |
231 | output->maxTries = iMaxTries; | |
232 | ||
233 | output->lineTimeout = iLineTimeout; | |
234 | output->retryTimeout = iRetryLineTimeout; | |
235 | output->tries = 0; | |
236 | ||
237 | bool bRetry(true); | |
238 | while (bRetry && ++output->tries < output->maxTries) | |
239 | { | |
240 | bRetry = (!Write(output) || output->NeedsRetry()) && output->transmit_timeout > 0; | |
241 | if (bRetry) | |
242 | Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT); | |
243 | } | |
244 | retVal = output->state; | |
245 | ||
246 | delete output; | |
247 | return retVal; | |
248 | } | |
249 | ||
250 | bool CUSBCECAdapterCommunication::Write(CCECAdapterMessage *data) | |
3c53ac93 | 251 | { |
5dcf9f25 | 252 | data->state = ADAPTER_MESSAGE_STATE_WAITING_TO_BE_SENT; |
3c53ac93 | 253 | m_outBuffer.Push(data); |
f9e01dac | 254 | data->event.Wait(5000); |
5dcf9f25 | 255 | |
b1f94db1 LOK |
256 | if ((data->expectControllerAck && data->state != ADAPTER_MESSAGE_STATE_SENT_ACKED) || |
257 | (!data->expectControllerAck && data->state != ADAPTER_MESSAGE_STATE_SENT)) | |
5dcf9f25 | 258 | { |
b1f94db1 LOK |
259 | CLibCEC::AddLog(CEC_LOG_DEBUG, "command was not %s", data->state == ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED ? "acked" : "sent"); |
260 | return false; | |
5dcf9f25 LOK |
261 | } |
262 | ||
b1f94db1 | 263 | return true; |
a8f0bd18 LOK |
264 | } |
265 | ||
7bb4ed43 | 266 | bool CUSBCECAdapterCommunication::Read(cec_command &command, uint32_t iTimeout) |
a8f0bd18 | 267 | { |
9f68cc28 LOK |
268 | if (!IsRunning()) |
269 | return false; | |
270 | ||
7bb4ed43 LOK |
271 | CCECAdapterMessage msg; |
272 | if (Read(msg, iTimeout)) | |
a8f0bd18 | 273 | { |
7bb4ed43 | 274 | if (ParseMessage(msg)) |
a8f0bd18 | 275 | { |
7bb4ed43 LOK |
276 | command = m_currentframe; |
277 | m_currentframe.Clear(); | |
278 | return true; | |
a8f0bd18 | 279 | } |
7bb4ed43 LOK |
280 | } |
281 | return false; | |
282 | } | |
a8f0bd18 | 283 | |
7bb4ed43 LOK |
284 | bool CUSBCECAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout) |
285 | { | |
286 | CLockObject lock(m_mutex); | |
a8f0bd18 | 287 | |
7bb4ed43 LOK |
288 | msg.Clear(); |
289 | CCECAdapterMessage *buf(NULL); | |
a8f0bd18 | 290 | |
7bb4ed43 LOK |
291 | if (!m_inBuffer.Pop(buf)) |
292 | { | |
960f33c6 | 293 | if (iTimeout == 0 || !m_rcvCondition.Wait(m_mutex, m_bHasData, iTimeout)) |
7bb4ed43 LOK |
294 | return false; |
295 | m_inBuffer.Pop(buf); | |
960f33c6 | 296 | m_bHasData = m_inBuffer.Size() > 0; |
7bb4ed43 | 297 | } |
0e31a62c | 298 | |
7bb4ed43 LOK |
299 | if (buf) |
300 | { | |
301 | msg.packet = buf->packet; | |
66e5bd72 | 302 | msg.state = ADAPTER_MESSAGE_STATE_INCOMING; |
7bb4ed43 LOK |
303 | delete buf; |
304 | return true; | |
305 | } | |
306 | return false; | |
a8f0bd18 LOK |
307 | } |
308 | ||
7bb4ed43 | 309 | CStdString CUSBCECAdapterCommunication::GetError(void) const |
a8f0bd18 | 310 | { |
ba65909d LOK |
311 | CStdString strError; |
312 | strError = m_port->GetError(); | |
313 | return strError; | |
a8f0bd18 | 314 | } |
2abe74eb | 315 | |
7bb4ed43 | 316 | bool CUSBCECAdapterCommunication::StartBootloader(void) |
2abe74eb | 317 | { |
28352a04 | 318 | bool bReturn(false); |
2abe74eb | 319 | if (!IsRunning()) |
28352a04 | 320 | return bReturn; |
2abe74eb | 321 | |
5477a250 | 322 | CLibCEC::AddLog(CEC_LOG_DEBUG, "starting the bootloader"); |
28352a04 | 323 | CCECAdapterMessage *output = new CCECAdapterMessage; |
25701fa6 | 324 | |
ef7696f5 LOK |
325 | output->PushBack(MSGSTART); |
326 | output->PushEscaped(MSGCODE_START_BOOTLOADER); | |
327 | output->PushBack(MSGEND); | |
5dcf9f25 | 328 | output->isTransmission = false; |
71c4a2f5 | 329 | output->expectControllerAck = false; |
2abe74eb | 330 | |
5dcf9f25 | 331 | if ((bReturn = Write(output)) == false) |
5477a250 | 332 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not start the bootloader"); |
28352a04 LOK |
333 | delete output; |
334 | ||
335 | return bReturn; | |
2abe74eb LOK |
336 | } |
337 | ||
7bb4ed43 | 338 | bool CUSBCECAdapterCommunication::PingAdapter(void) |
2abe74eb | 339 | { |
28352a04 | 340 | bool bReturn(false); |
2abe74eb | 341 | if (!IsRunning()) |
28352a04 | 342 | return bReturn; |
2abe74eb | 343 | |
5477a250 | 344 | CLibCEC::AddLog(CEC_LOG_DEBUG, "sending ping"); |
28352a04 | 345 | CCECAdapterMessage *output = new CCECAdapterMessage; |
25701fa6 | 346 | |
ef7696f5 LOK |
347 | output->PushBack(MSGSTART); |
348 | output->PushEscaped(MSGCODE_PING); | |
349 | output->PushBack(MSGEND); | |
5dcf9f25 | 350 | output->isTransmission = false; |
2abe74eb | 351 | |
5dcf9f25 | 352 | if ((bReturn = Write(output)) == false) |
5477a250 | 353 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not ping the adapter"); |
28352a04 LOK |
354 | delete output; |
355 | ||
356 | return bReturn; | |
2abe74eb | 357 | } |
13fd6a66 | 358 | |
7bb4ed43 LOK |
359 | bool CUSBCECAdapterCommunication::ParseMessage(const CCECAdapterMessage &msg) |
360 | { | |
361 | bool bEom(false); | |
362 | bool bIsError(msg.IsError()); | |
363 | ||
364 | if (msg.IsEmpty()) | |
365 | return bEom; | |
366 | ||
367 | switch(msg.Message()) | |
368 | { | |
369 | case MSGCODE_FRAME_START: | |
370 | { | |
371 | m_currentframe.Clear(); | |
372 | if (msg.Size() >= 2) | |
373 | { | |
374 | m_currentframe.initiator = msg.Initiator(); | |
375 | m_currentframe.destination = msg.Destination(); | |
376 | m_currentframe.ack = msg.IsACK(); | |
377 | m_currentframe.eom = msg.IsEOM(); | |
378 | } | |
379 | if (m_currentframe.ack == 0x1) | |
380 | { | |
381 | m_lastInitiator = m_currentframe.initiator; | |
382 | m_processor->HandlePoll(m_currentframe.initiator, m_currentframe.destination); | |
383 | } | |
384 | } | |
385 | break; | |
386 | case MSGCODE_RECEIVE_FAILED: | |
387 | { | |
388 | m_currentframe.Clear(); | |
389 | if (m_lastInitiator != CECDEVICE_UNKNOWN) | |
390 | bIsError = m_processor->HandleReceiveFailed(m_lastInitiator); | |
391 | } | |
392 | break; | |
393 | case MSGCODE_FRAME_DATA: | |
394 | { | |
395 | if (msg.Size() >= 2) | |
396 | { | |
397 | m_currentframe.PushBack(msg[1]); | |
398 | m_currentframe.eom = msg.IsEOM(); | |
399 | } | |
400 | bEom = msg.IsEOM(); | |
401 | } | |
402 | break; | |
403 | default: | |
404 | break; | |
405 | } | |
406 | ||
407 | CLibCEC::AddLog(bIsError ? CEC_LOG_WARNING : CEC_LOG_DEBUG, msg.ToString()); | |
408 | return bEom; | |
409 | } | |
410 | ||
411 | uint16_t CUSBCECAdapterCommunication::GetFirmwareVersion(void) | |
1fc16cfd LOK |
412 | { |
413 | uint16_t iReturn(m_iFirmwareVersion); | |
414 | if (!IsRunning()) | |
415 | return iReturn; | |
416 | ||
417 | if (iReturn == CEC_FW_VERSION_UNKNOWN) | |
418 | { | |
006b76b9 | 419 | CLockObject lock(m_mutex); |
5477a250 | 420 | CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting the firmware version"); |
1fc16cfd LOK |
421 | CCECAdapterMessage *output = new CCECAdapterMessage; |
422 | ||
423 | output->PushBack(MSGSTART); | |
424 | output->PushEscaped(MSGCODE_FIRMWARE_VERSION); | |
425 | output->PushBack(MSGEND); | |
426 | output->isTransmission = false; | |
427 | output->expectControllerAck = false; | |
428 | ||
efed01e1 LOK |
429 | SendMessageToAdapter(output); |
430 | bool bWriteOk = output->state == ADAPTER_MESSAGE_STATE_SENT; | |
1fc16cfd | 431 | delete output; |
b1f94db1 LOK |
432 | if (!bWriteOk) |
433 | { | |
434 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not request the firmware version"); | |
efed01e1 | 435 | return iReturn; |
b1f94db1 | 436 | } |
efed01e1 LOK |
437 | |
438 | Sleep(250); // TODO ReadFromDevice() isn't waiting for the timeout to pass on win32 | |
439 | ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT, 5 /* start + msgcode + 2 bytes for fw version + end */); | |
440 | CCECAdapterMessage input; | |
441 | if (Read(input, 0)) | |
1fc16cfd | 442 | { |
efed01e1 LOK |
443 | if (input.Message() != MSGCODE_FIRMWARE_VERSION || input.Size() != 3) |
444 | CLibCEC::AddLog(CEC_LOG_ERROR, "invalid firmware version (size = %d, message = %d)", input.Size(), input.Message()); | |
b1f94db1 LOK |
445 | else |
446 | { | |
447 | m_iFirmwareVersion = (input[1] << 8 | input[2]); | |
448 | iReturn = m_iFirmwareVersion; | |
449 | } | |
1fc16cfd | 450 | } |
efed01e1 LOK |
451 | else |
452 | { | |
453 | CLibCEC::AddLog(CEC_LOG_ERROR, "no firmware version received"); | |
454 | } | |
1fc16cfd LOK |
455 | } |
456 | ||
457 | return iReturn; | |
458 | } | |
459 | ||
7bb4ed43 | 460 | bool CUSBCECAdapterCommunication::SetLineTimeout(uint8_t iTimeout) |
a171d2fd | 461 | { |
7bb4ed43 LOK |
462 | m_iLineTimeout = iTimeout; |
463 | return true; | |
464 | //TODO | |
465 | // bool bReturn(m_iLineTimeout != iTimeout); | |
466 | // | |
467 | // if (!bReturn) | |
468 | // { | |
469 | // CCECAdapterMessage *output = new CCECAdapterMessage; | |
470 | // | |
471 | // output->PushBack(MSGSTART); | |
472 | // output->PushEscaped(MSGCODE_TRANSMIT_IDLETIME); | |
473 | // output->PushEscaped(iTimeout); | |
474 | // output->PushBack(MSGEND); | |
475 | // output->isTransmission = false; | |
476 | // | |
477 | // if ((bReturn = Write(output)) == false) | |
478 | // CLibCEC::AddLog(CEC_LOG_ERROR, "could not set the idletime"); | |
479 | // delete output; | |
480 | // } | |
481 | // | |
482 | // return bReturn; | |
a171d2fd LOK |
483 | } |
484 | ||
7bb4ed43 | 485 | bool CUSBCECAdapterCommunication::SetAckMask(uint16_t iMask) |
f9e01dac LOK |
486 | { |
487 | return SetAckMaskInternal(iMask, false); | |
488 | } | |
489 | ||
490 | bool CUSBCECAdapterCommunication::SetAckMaskInternal(uint16_t iMask, bool bWriteDirectly /* = false */) | |
5dcf9f25 LOK |
491 | { |
492 | bool bReturn(false); | |
bca69ca1 | 493 | CLibCEC::AddLog(CEC_LOG_DEBUG, "setting ackmask to %2x", iMask); |
5dcf9f25 LOK |
494 | |
495 | CCECAdapterMessage *output = new CCECAdapterMessage; | |
496 | ||
497 | output->PushBack(MSGSTART); | |
498 | output->PushEscaped(MSGCODE_SET_ACK_MASK); | |
499 | output->PushEscaped(iMask >> 8); | |
500 | output->PushEscaped((uint8_t)iMask); | |
501 | output->PushBack(MSGEND); | |
502 | output->isTransmission = false; | |
503 | ||
f9e01dac LOK |
504 | if (bWriteDirectly) |
505 | SendMessageToAdapter(output); | |
506 | else if ((bReturn = Write(output)) == false) | |
5477a250 | 507 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not set the ackmask"); |
5dcf9f25 LOK |
508 | delete output; |
509 | ||
510 | return bReturn; | |
511 | } | |
512 | ||
b057edad BL |
513 | |
514 | bool CUSBCECAdapterCommunication::SetControlledMode(bool controlled) | |
515 | { | |
516 | bool bReturn(false); | |
bca69ca1 | 517 | CLibCEC::AddLog(CEC_LOG_DEBUG, "turning controlled mode %s", controlled ? "on" : "off"); |
b057edad BL |
518 | |
519 | CCECAdapterMessage *output = new CCECAdapterMessage; | |
520 | ||
521 | output->PushBack(MSGSTART); | |
522 | output->PushEscaped(MSGCODE_SET_CONTROLLED); | |
523 | output->PushEscaped(controlled); | |
524 | output->PushBack(MSGEND); | |
525 | output->isTransmission = false; | |
526 | ||
527 | if ((bReturn = Write(output)) == false) | |
528 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not set controlled mode"); | |
529 | delete output; | |
530 | ||
531 | return bReturn; | |
532 | } | |
533 | ||
7bb4ed43 | 534 | bool CUSBCECAdapterCommunication::IsOpen(void) |
13fd6a66 | 535 | { |
b9eea66d | 536 | return !IsStopped() && m_port->IsOpen() && IsRunning(); |
13fd6a66 | 537 | } |
ef7696f5 | 538 | |
7bb4ed43 | 539 | bool CUSBCECAdapterCommunication::WaitForAck(CCECAdapterMessage &message) |
6729ac71 LOK |
540 | { |
541 | bool bError(false); | |
542 | bool bTransmitSucceeded(false); | |
b2f0b1ab | 543 | uint8_t iPacketsLeft(message.Size() / 4); |
6729ac71 LOK |
544 | |
545 | int64_t iNow = GetTimeMs(); | |
b1f94db1 | 546 | int64_t iTargetTime = iNow + (message.transmit_timeout <= 5 ? CEC_DEFAULT_TRANSMIT_WAIT : message.transmit_timeout); |
6729ac71 | 547 | |
b1f94db1 | 548 | while (!bTransmitSucceeded && !bError && iNow < iTargetTime) |
6729ac71 | 549 | { |
b1f94db1 | 550 | ReadFromDevice(50); |
6729ac71 | 551 | CCECAdapterMessage msg; |
b1f94db1 | 552 | if (!Read(msg, 0)) |
6729ac71 LOK |
553 | { |
554 | iNow = GetTimeMs(); | |
555 | continue; | |
556 | } | |
557 | ||
558 | if (msg.Message() == MSGCODE_FRAME_START && msg.IsACK()) | |
559 | { | |
560 | m_processor->HandlePoll(msg.Initiator(), msg.Destination()); | |
7bb4ed43 | 561 | m_lastInitiator = msg.Initiator(); |
6729ac71 LOK |
562 | iNow = GetTimeMs(); |
563 | continue; | |
564 | } | |
565 | ||
566 | if (msg.Message() == MSGCODE_RECEIVE_FAILED && | |
7bb4ed43 LOK |
567 | m_lastInitiator != CECDEVICE_UNKNOWN && |
568 | m_processor->HandleReceiveFailed(m_lastInitiator)) | |
6729ac71 LOK |
569 | { |
570 | iNow = GetTimeMs(); | |
571 | continue; | |
572 | } | |
573 | ||
574 | bError = msg.IsError(); | |
575 | if (bError) | |
576 | { | |
b2f0b1ab | 577 | message.reply = msg.Message(); |
5477a250 | 578 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
579 | } |
580 | else | |
581 | { | |
582 | switch(msg.Message()) | |
583 | { | |
584 | case MSGCODE_COMMAND_ACCEPTED: | |
5477a250 | 585 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
586 | if (iPacketsLeft > 0) |
587 | iPacketsLeft--; | |
b2f0b1ab | 588 | if (!message.isTransmission && iPacketsLeft == 0) |
5dcf9f25 | 589 | bTransmitSucceeded = true; |
6729ac71 LOK |
590 | break; |
591 | case MSGCODE_TRANSMIT_SUCCEEDED: | |
5477a250 | 592 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
593 | bTransmitSucceeded = (iPacketsLeft == 0); |
594 | bError = !bTransmitSucceeded; | |
b2f0b1ab | 595 | message.reply = MSGCODE_TRANSMIT_SUCCEEDED; |
6729ac71 LOK |
596 | break; |
597 | default: | |
598 | // ignore other data while waiting | |
599 | break; | |
600 | } | |
601 | ||
602 | iNow = GetTimeMs(); | |
603 | } | |
604 | } | |
605 | ||
b1f94db1 LOK |
606 | message.state = bTransmitSucceeded && !bError ? |
607 | ADAPTER_MESSAGE_STATE_SENT_ACKED : | |
608 | ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED; | |
609 | ||
6729ac71 LOK |
610 | return bTransmitSucceeded && !bError; |
611 | } | |
612 | ||
7bb4ed43 | 613 | void CUSBCECAdapterCommunication::AddData(uint8_t *data, size_t iLen) |
ef7696f5 LOK |
614 | { |
615 | CLockObject lock(m_mutex); | |
99666519 | 616 | for (size_t iPtr = 0; iPtr < iLen; iPtr++) |
7bb4ed43 LOK |
617 | { |
618 | if (!m_bGotStart) | |
619 | { | |
620 | if (data[iPtr] == MSGSTART) | |
621 | m_bGotStart = true; | |
622 | } | |
623 | else if (data[iPtr] == MSGSTART) //we found a msgstart before msgend, this is not right, remove | |
624 | { | |
625 | if (m_currentAdapterMessage.Size() > 0) | |
626 | CLibCEC::AddLog(CEC_LOG_WARNING, "received MSGSTART before MSGEND, removing previous buffer contents"); | |
627 | m_currentAdapterMessage.Clear(); | |
628 | m_bGotStart = true; | |
629 | } | |
630 | else if (data[iPtr] == MSGEND) | |
631 | { | |
632 | CCECAdapterMessage *newMessage = new CCECAdapterMessage; | |
633 | newMessage->packet = m_currentAdapterMessage.packet; | |
634 | m_inBuffer.Push(newMessage); | |
635 | m_currentAdapterMessage.Clear(); | |
636 | m_bGotStart = false; | |
637 | m_bNextIsEscaped = false; | |
960f33c6 | 638 | m_bHasData = true; |
7bb4ed43 LOK |
639 | m_rcvCondition.Signal(); |
640 | } | |
641 | else if (m_bNextIsEscaped) | |
642 | { | |
643 | m_currentAdapterMessage.PushBack(data[iPtr] + (uint8_t)ESCOFFSET); | |
644 | m_bNextIsEscaped = false; | |
645 | } | |
646 | else if (data[iPtr] == MSGESC) | |
647 | { | |
648 | m_bNextIsEscaped = true; | |
649 | } | |
650 | else | |
651 | { | |
652 | m_currentAdapterMessage.PushBack(data[iPtr]); | |
653 | } | |
654 | } | |
ef7696f5 LOK |
655 | } |
656 | ||
b1f94db1 | 657 | bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout, size_t iSize /* = 256 */) |
ef7696f5 | 658 | { |
99666519 LOK |
659 | ssize_t iBytesRead; |
660 | uint8_t buff[256]; | |
ef7696f5 LOK |
661 | if (!m_port) |
662 | return false; | |
b1f94db1 LOK |
663 | if (iSize > 256) |
664 | iSize = 256; | |
ef7696f5 | 665 | |
1fc16cfd | 666 | CLockObject lock(m_mutex); |
b1f94db1 | 667 | iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout); |
ef7696f5 LOK |
668 | if (iBytesRead < 0 || iBytesRead > 256) |
669 | { | |
99666519 | 670 | CLibCEC::AddLog(CEC_LOG_ERROR, "error reading from serial port: %s", m_port->GetError().c_str()); |
60383b11 | 671 | StopThread(false); |
ef7696f5 LOK |
672 | return false; |
673 | } | |
674 | else if (iBytesRead > 0) | |
99666519 LOK |
675 | { |
676 | AddData(buff, iBytesRead); | |
677 | } | |
ef7696f5 LOK |
678 | |
679 | return iBytesRead > 0; | |
680 | } | |
681 | ||
7bb4ed43 | 682 | void CUSBCECAdapterCommunication::SendMessageToAdapter(CCECAdapterMessage *msg) |
ef7696f5 | 683 | { |
1fc16cfd | 684 | CLockObject adapterLock(m_mutex); |
f9e01dac LOK |
685 | if (!m_port->IsOpen()) |
686 | { | |
687 | CLibCEC::AddLog(CEC_LOG_ERROR, "error writing to serial port: the connection is closed"); | |
688 | msg->state = ADAPTER_MESSAGE_STATE_ERROR; | |
689 | return; | |
690 | } | |
691 | ||
7bb4ed43 LOK |
692 | if (msg->tries == 1) |
693 | SetLineTimeout(msg->lineTimeout); | |
694 | else | |
695 | SetLineTimeout(msg->retryTimeout); | |
696 | ||
99666519 | 697 | if (m_port->Write(msg->packet.data, msg->Size()) != (ssize_t) msg->Size()) |
ef7696f5 | 698 | { |
b74fd339 | 699 | CLibCEC::AddLog(CEC_LOG_ERROR, "error writing to serial port: %s", m_port->GetError().c_str()); |
ef7696f5 LOK |
700 | msg->state = ADAPTER_MESSAGE_STATE_ERROR; |
701 | } | |
702 | else | |
703 | { | |
5477a250 | 704 | CLibCEC::AddLog(CEC_LOG_DEBUG, "command sent"); |
ef7696f5 | 705 | msg->state = ADAPTER_MESSAGE_STATE_SENT; |
b1f94db1 LOK |
706 | |
707 | if (msg->expectControllerAck) | |
708 | { | |
709 | if (!WaitForAck(*msg)) | |
710 | CLibCEC::AddLog(CEC_LOG_DEBUG, "did not receive ack"); | |
711 | } | |
ef7696f5 | 712 | } |
960f33c6 | 713 | msg->event.Signal(); |
ef7696f5 LOK |
714 | } |
715 | ||
7bb4ed43 | 716 | void CUSBCECAdapterCommunication::WriteNextCommand(void) |
ef7696f5 LOK |
717 | { |
718 | CCECAdapterMessage *msg(NULL); | |
719 | if (m_outBuffer.Pop(msg)) | |
720 | SendMessageToAdapter(msg); | |
721 | } | |
cba904a6 LOK |
722 | |
723 | CStdString CUSBCECAdapterCommunication::GetPortName(void) | |
724 | { | |
725 | CStdString strName; | |
726 | strName = m_port->GetName(); | |
727 | return strName; | |
728 | } |