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 | { |
f967a750 | 176 | SetAckMask(0); |
c02a2b2e LOK |
177 | { |
178 | CLockObject lock(m_mutex); | |
179 | m_bHasData = true; | |
180 | m_rcvCondition.Broadcast(); | |
181 | } | |
b9eea66d | 182 | StopThread(); |
a8f0bd18 LOK |
183 | } |
184 | ||
7bb4ed43 | 185 | void *CUSBCECAdapterCommunication::Process(void) |
a8f0bd18 | 186 | { |
b1f94db1 | 187 | cec_command command; |
efed01e1 | 188 | bool bCommandReceived(false); |
13fd6a66 | 189 | while (!IsStopped()) |
a8f0bd18 | 190 | { |
efed01e1 LOK |
191 | { |
192 | CLockObject lock(m_mutex); | |
193 | ReadFromDevice(50); | |
194 | bCommandReceived = m_callback && Read(command, 0); | |
195 | } | |
b1f94db1 LOK |
196 | |
197 | /* push the next command to the callback method if there is one */ | |
efed01e1 | 198 | if (!IsStopped() && bCommandReceived) |
b1f94db1 LOK |
199 | m_callback->OnCommandReceived(command); |
200 | ||
efed01e1 LOK |
201 | if (!IsStopped()) |
202 | { | |
203 | Sleep(5); | |
204 | WriteNextCommand(); | |
205 | } | |
a8f0bd18 LOK |
206 | } |
207 | ||
ef7696f5 | 208 | CCECAdapterMessage *msg(NULL); |
a0878ee3 | 209 | if (m_outBuffer.Pop(msg)) |
960f33c6 | 210 | msg->event.Broadcast(); |
a0878ee3 | 211 | |
9f9c8c82 LOK |
212 | if (m_port) |
213 | { | |
214 | delete m_port; | |
215 | m_port = NULL; | |
216 | } | |
217 | ||
a8f0bd18 LOK |
218 | return NULL; |
219 | } | |
220 | ||
7bb4ed43 LOK |
221 | cec_adapter_message_state CUSBCECAdapterCommunication::Write(const cec_command &data, uint8_t iMaxTries, uint8_t iLineTimeout /* = 3 */, uint8_t iRetryLineTimeout /* = 3 */) |
222 | { | |
223 | cec_adapter_message_state retVal(ADAPTER_MESSAGE_STATE_UNKNOWN); | |
9f68cc28 LOK |
224 | if (!IsRunning()) |
225 | return retVal; | |
7bb4ed43 LOK |
226 | |
227 | CCECAdapterMessage *output = new CCECAdapterMessage(data); | |
228 | ||
229 | /* set the number of retries */ | |
230 | if (data.opcode == CEC_OPCODE_NONE) //TODO | |
231 | output->maxTries = 1; | |
232 | else if (data.initiator != CECDEVICE_BROADCAST) | |
233 | output->maxTries = iMaxTries; | |
234 | ||
235 | output->lineTimeout = iLineTimeout; | |
236 | output->retryTimeout = iRetryLineTimeout; | |
237 | output->tries = 0; | |
238 | ||
239 | bool bRetry(true); | |
240 | while (bRetry && ++output->tries < output->maxTries) | |
241 | { | |
242 | bRetry = (!Write(output) || output->NeedsRetry()) && output->transmit_timeout > 0; | |
243 | if (bRetry) | |
244 | Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT); | |
245 | } | |
246 | retVal = output->state; | |
247 | ||
248 | delete output; | |
249 | return retVal; | |
250 | } | |
251 | ||
252 | bool CUSBCECAdapterCommunication::Write(CCECAdapterMessage *data) | |
3c53ac93 | 253 | { |
5dcf9f25 | 254 | data->state = ADAPTER_MESSAGE_STATE_WAITING_TO_BE_SENT; |
3c53ac93 | 255 | m_outBuffer.Push(data); |
960f33c6 | 256 | data->event.Wait(); |
5dcf9f25 | 257 | |
b1f94db1 LOK |
258 | if ((data->expectControllerAck && data->state != ADAPTER_MESSAGE_STATE_SENT_ACKED) || |
259 | (!data->expectControllerAck && data->state != ADAPTER_MESSAGE_STATE_SENT)) | |
5dcf9f25 | 260 | { |
b1f94db1 LOK |
261 | CLibCEC::AddLog(CEC_LOG_DEBUG, "command was not %s", data->state == ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED ? "acked" : "sent"); |
262 | return false; | |
5dcf9f25 LOK |
263 | } |
264 | ||
b1f94db1 | 265 | return true; |
a8f0bd18 LOK |
266 | } |
267 | ||
7bb4ed43 | 268 | bool CUSBCECAdapterCommunication::Read(cec_command &command, uint32_t iTimeout) |
a8f0bd18 | 269 | { |
9f68cc28 LOK |
270 | if (!IsRunning()) |
271 | return false; | |
272 | ||
7bb4ed43 LOK |
273 | CCECAdapterMessage msg; |
274 | if (Read(msg, iTimeout)) | |
a8f0bd18 | 275 | { |
7bb4ed43 | 276 | if (ParseMessage(msg)) |
a8f0bd18 | 277 | { |
7bb4ed43 LOK |
278 | command = m_currentframe; |
279 | m_currentframe.Clear(); | |
280 | return true; | |
a8f0bd18 | 281 | } |
7bb4ed43 LOK |
282 | } |
283 | return false; | |
284 | } | |
a8f0bd18 | 285 | |
7bb4ed43 LOK |
286 | bool CUSBCECAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout) |
287 | { | |
288 | CLockObject lock(m_mutex); | |
a8f0bd18 | 289 | |
7bb4ed43 LOK |
290 | msg.Clear(); |
291 | CCECAdapterMessage *buf(NULL); | |
a8f0bd18 | 292 | |
7bb4ed43 LOK |
293 | if (!m_inBuffer.Pop(buf)) |
294 | { | |
960f33c6 | 295 | if (iTimeout == 0 || !m_rcvCondition.Wait(m_mutex, m_bHasData, iTimeout)) |
7bb4ed43 LOK |
296 | return false; |
297 | m_inBuffer.Pop(buf); | |
960f33c6 | 298 | m_bHasData = m_inBuffer.Size() > 0; |
7bb4ed43 | 299 | } |
0e31a62c | 300 | |
7bb4ed43 LOK |
301 | if (buf) |
302 | { | |
303 | msg.packet = buf->packet; | |
66e5bd72 | 304 | msg.state = ADAPTER_MESSAGE_STATE_INCOMING; |
7bb4ed43 LOK |
305 | delete buf; |
306 | return true; | |
307 | } | |
308 | return false; | |
a8f0bd18 LOK |
309 | } |
310 | ||
7bb4ed43 | 311 | CStdString CUSBCECAdapterCommunication::GetError(void) const |
a8f0bd18 | 312 | { |
ba65909d LOK |
313 | CStdString strError; |
314 | strError = m_port->GetError(); | |
315 | return strError; | |
a8f0bd18 | 316 | } |
2abe74eb | 317 | |
7bb4ed43 | 318 | bool CUSBCECAdapterCommunication::StartBootloader(void) |
2abe74eb | 319 | { |
28352a04 | 320 | bool bReturn(false); |
2abe74eb | 321 | if (!IsRunning()) |
28352a04 | 322 | return bReturn; |
2abe74eb | 323 | |
5477a250 | 324 | CLibCEC::AddLog(CEC_LOG_DEBUG, "starting the bootloader"); |
28352a04 | 325 | CCECAdapterMessage *output = new CCECAdapterMessage; |
25701fa6 | 326 | |
ef7696f5 LOK |
327 | output->PushBack(MSGSTART); |
328 | output->PushEscaped(MSGCODE_START_BOOTLOADER); | |
329 | output->PushBack(MSGEND); | |
5dcf9f25 | 330 | output->isTransmission = false; |
71c4a2f5 | 331 | output->expectControllerAck = false; |
2abe74eb | 332 | |
5dcf9f25 | 333 | if ((bReturn = Write(output)) == false) |
5477a250 | 334 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not start the bootloader"); |
28352a04 LOK |
335 | delete output; |
336 | ||
337 | return bReturn; | |
2abe74eb LOK |
338 | } |
339 | ||
7bb4ed43 | 340 | bool CUSBCECAdapterCommunication::PingAdapter(void) |
2abe74eb | 341 | { |
28352a04 | 342 | bool bReturn(false); |
2abe74eb | 343 | if (!IsRunning()) |
28352a04 | 344 | return bReturn; |
2abe74eb | 345 | |
5477a250 | 346 | CLibCEC::AddLog(CEC_LOG_DEBUG, "sending ping"); |
28352a04 | 347 | CCECAdapterMessage *output = new CCECAdapterMessage; |
25701fa6 | 348 | |
ef7696f5 LOK |
349 | output->PushBack(MSGSTART); |
350 | output->PushEscaped(MSGCODE_PING); | |
351 | output->PushBack(MSGEND); | |
5dcf9f25 | 352 | output->isTransmission = false; |
2abe74eb | 353 | |
5dcf9f25 | 354 | if ((bReturn = Write(output)) == false) |
5477a250 | 355 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not ping the adapter"); |
28352a04 LOK |
356 | delete output; |
357 | ||
358 | return bReturn; | |
2abe74eb | 359 | } |
13fd6a66 | 360 | |
7bb4ed43 LOK |
361 | bool CUSBCECAdapterCommunication::ParseMessage(const CCECAdapterMessage &msg) |
362 | { | |
363 | bool bEom(false); | |
364 | bool bIsError(msg.IsError()); | |
365 | ||
366 | if (msg.IsEmpty()) | |
367 | return bEom; | |
368 | ||
369 | switch(msg.Message()) | |
370 | { | |
371 | case MSGCODE_FRAME_START: | |
372 | { | |
373 | m_currentframe.Clear(); | |
374 | if (msg.Size() >= 2) | |
375 | { | |
376 | m_currentframe.initiator = msg.Initiator(); | |
377 | m_currentframe.destination = msg.Destination(); | |
378 | m_currentframe.ack = msg.IsACK(); | |
379 | m_currentframe.eom = msg.IsEOM(); | |
380 | } | |
381 | if (m_currentframe.ack == 0x1) | |
382 | { | |
383 | m_lastInitiator = m_currentframe.initiator; | |
384 | m_processor->HandlePoll(m_currentframe.initiator, m_currentframe.destination); | |
385 | } | |
386 | } | |
387 | break; | |
388 | case MSGCODE_RECEIVE_FAILED: | |
389 | { | |
390 | m_currentframe.Clear(); | |
391 | if (m_lastInitiator != CECDEVICE_UNKNOWN) | |
392 | bIsError = m_processor->HandleReceiveFailed(m_lastInitiator); | |
393 | } | |
394 | break; | |
395 | case MSGCODE_FRAME_DATA: | |
396 | { | |
397 | if (msg.Size() >= 2) | |
398 | { | |
399 | m_currentframe.PushBack(msg[1]); | |
400 | m_currentframe.eom = msg.IsEOM(); | |
401 | } | |
402 | bEom = msg.IsEOM(); | |
403 | } | |
404 | break; | |
405 | default: | |
406 | break; | |
407 | } | |
408 | ||
409 | CLibCEC::AddLog(bIsError ? CEC_LOG_WARNING : CEC_LOG_DEBUG, msg.ToString()); | |
410 | return bEom; | |
411 | } | |
412 | ||
413 | uint16_t CUSBCECAdapterCommunication::GetFirmwareVersion(void) | |
1fc16cfd LOK |
414 | { |
415 | uint16_t iReturn(m_iFirmwareVersion); | |
416 | if (!IsRunning()) | |
417 | return iReturn; | |
418 | ||
419 | if (iReturn == CEC_FW_VERSION_UNKNOWN) | |
420 | { | |
006b76b9 | 421 | CLockObject lock(m_mutex); |
5477a250 | 422 | CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting the firmware version"); |
1fc16cfd LOK |
423 | CCECAdapterMessage *output = new CCECAdapterMessage; |
424 | ||
425 | output->PushBack(MSGSTART); | |
426 | output->PushEscaped(MSGCODE_FIRMWARE_VERSION); | |
427 | output->PushBack(MSGEND); | |
428 | output->isTransmission = false; | |
429 | output->expectControllerAck = false; | |
430 | ||
efed01e1 LOK |
431 | SendMessageToAdapter(output); |
432 | bool bWriteOk = output->state == ADAPTER_MESSAGE_STATE_SENT; | |
1fc16cfd | 433 | delete output; |
b1f94db1 LOK |
434 | if (!bWriteOk) |
435 | { | |
436 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not request the firmware version"); | |
efed01e1 | 437 | return iReturn; |
b1f94db1 | 438 | } |
efed01e1 LOK |
439 | |
440 | Sleep(250); // TODO ReadFromDevice() isn't waiting for the timeout to pass on win32 | |
441 | ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT, 5 /* start + msgcode + 2 bytes for fw version + end */); | |
442 | CCECAdapterMessage input; | |
443 | if (Read(input, 0)) | |
1fc16cfd | 444 | { |
efed01e1 LOK |
445 | if (input.Message() != MSGCODE_FIRMWARE_VERSION || input.Size() != 3) |
446 | CLibCEC::AddLog(CEC_LOG_ERROR, "invalid firmware version (size = %d, message = %d)", input.Size(), input.Message()); | |
b1f94db1 LOK |
447 | else |
448 | { | |
449 | m_iFirmwareVersion = (input[1] << 8 | input[2]); | |
450 | iReturn = m_iFirmwareVersion; | |
451 | } | |
1fc16cfd | 452 | } |
efed01e1 LOK |
453 | else |
454 | { | |
455 | CLibCEC::AddLog(CEC_LOG_ERROR, "no firmware version received"); | |
456 | } | |
1fc16cfd LOK |
457 | } |
458 | ||
459 | return iReturn; | |
460 | } | |
461 | ||
7bb4ed43 | 462 | bool CUSBCECAdapterCommunication::SetLineTimeout(uint8_t iTimeout) |
a171d2fd | 463 | { |
7bb4ed43 LOK |
464 | m_iLineTimeout = iTimeout; |
465 | return true; | |
466 | //TODO | |
467 | // bool bReturn(m_iLineTimeout != iTimeout); | |
468 | // | |
469 | // if (!bReturn) | |
470 | // { | |
471 | // CCECAdapterMessage *output = new CCECAdapterMessage; | |
472 | // | |
473 | // output->PushBack(MSGSTART); | |
474 | // output->PushEscaped(MSGCODE_TRANSMIT_IDLETIME); | |
475 | // output->PushEscaped(iTimeout); | |
476 | // output->PushBack(MSGEND); | |
477 | // output->isTransmission = false; | |
478 | // | |
479 | // if ((bReturn = Write(output)) == false) | |
480 | // CLibCEC::AddLog(CEC_LOG_ERROR, "could not set the idletime"); | |
481 | // delete output; | |
482 | // } | |
483 | // | |
484 | // return bReturn; | |
a171d2fd LOK |
485 | } |
486 | ||
7bb4ed43 | 487 | bool CUSBCECAdapterCommunication::SetAckMask(uint16_t iMask) |
5dcf9f25 LOK |
488 | { |
489 | bool bReturn(false); | |
bca69ca1 | 490 | CLibCEC::AddLog(CEC_LOG_DEBUG, "setting ackmask to %2x", iMask); |
5dcf9f25 LOK |
491 | |
492 | CCECAdapterMessage *output = new CCECAdapterMessage; | |
493 | ||
494 | output->PushBack(MSGSTART); | |
495 | output->PushEscaped(MSGCODE_SET_ACK_MASK); | |
496 | output->PushEscaped(iMask >> 8); | |
497 | output->PushEscaped((uint8_t)iMask); | |
498 | output->PushBack(MSGEND); | |
499 | output->isTransmission = false; | |
500 | ||
501 | if ((bReturn = Write(output)) == false) | |
5477a250 | 502 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not set the ackmask"); |
5dcf9f25 LOK |
503 | delete output; |
504 | ||
505 | return bReturn; | |
506 | } | |
507 | ||
b057edad BL |
508 | |
509 | bool CUSBCECAdapterCommunication::SetControlledMode(bool controlled) | |
510 | { | |
511 | bool bReturn(false); | |
bca69ca1 | 512 | CLibCEC::AddLog(CEC_LOG_DEBUG, "turning controlled mode %s", controlled ? "on" : "off"); |
b057edad BL |
513 | |
514 | CCECAdapterMessage *output = new CCECAdapterMessage; | |
515 | ||
516 | output->PushBack(MSGSTART); | |
517 | output->PushEscaped(MSGCODE_SET_CONTROLLED); | |
518 | output->PushEscaped(controlled); | |
519 | output->PushBack(MSGEND); | |
520 | output->isTransmission = false; | |
521 | ||
522 | if ((bReturn = Write(output)) == false) | |
523 | CLibCEC::AddLog(CEC_LOG_ERROR, "could not set controlled mode"); | |
524 | delete output; | |
525 | ||
526 | return bReturn; | |
527 | } | |
528 | ||
7bb4ed43 | 529 | bool CUSBCECAdapterCommunication::IsOpen(void) |
13fd6a66 | 530 | { |
b9eea66d | 531 | return !IsStopped() && m_port->IsOpen() && IsRunning(); |
13fd6a66 | 532 | } |
ef7696f5 | 533 | |
7bb4ed43 | 534 | bool CUSBCECAdapterCommunication::WaitForAck(CCECAdapterMessage &message) |
6729ac71 LOK |
535 | { |
536 | bool bError(false); | |
537 | bool bTransmitSucceeded(false); | |
b2f0b1ab | 538 | uint8_t iPacketsLeft(message.Size() / 4); |
6729ac71 LOK |
539 | |
540 | int64_t iNow = GetTimeMs(); | |
b1f94db1 | 541 | int64_t iTargetTime = iNow + (message.transmit_timeout <= 5 ? CEC_DEFAULT_TRANSMIT_WAIT : message.transmit_timeout); |
6729ac71 | 542 | |
b1f94db1 | 543 | while (!bTransmitSucceeded && !bError && iNow < iTargetTime) |
6729ac71 | 544 | { |
b1f94db1 | 545 | ReadFromDevice(50); |
6729ac71 | 546 | CCECAdapterMessage msg; |
b1f94db1 | 547 | if (!Read(msg, 0)) |
6729ac71 LOK |
548 | { |
549 | iNow = GetTimeMs(); | |
550 | continue; | |
551 | } | |
552 | ||
553 | if (msg.Message() == MSGCODE_FRAME_START && msg.IsACK()) | |
554 | { | |
555 | m_processor->HandlePoll(msg.Initiator(), msg.Destination()); | |
7bb4ed43 | 556 | m_lastInitiator = msg.Initiator(); |
6729ac71 LOK |
557 | iNow = GetTimeMs(); |
558 | continue; | |
559 | } | |
560 | ||
561 | if (msg.Message() == MSGCODE_RECEIVE_FAILED && | |
7bb4ed43 LOK |
562 | m_lastInitiator != CECDEVICE_UNKNOWN && |
563 | m_processor->HandleReceiveFailed(m_lastInitiator)) | |
6729ac71 LOK |
564 | { |
565 | iNow = GetTimeMs(); | |
566 | continue; | |
567 | } | |
568 | ||
569 | bError = msg.IsError(); | |
570 | if (bError) | |
571 | { | |
b2f0b1ab | 572 | message.reply = msg.Message(); |
5477a250 | 573 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
574 | } |
575 | else | |
576 | { | |
577 | switch(msg.Message()) | |
578 | { | |
579 | case MSGCODE_COMMAND_ACCEPTED: | |
5477a250 | 580 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
581 | if (iPacketsLeft > 0) |
582 | iPacketsLeft--; | |
b2f0b1ab | 583 | if (!message.isTransmission && iPacketsLeft == 0) |
5dcf9f25 | 584 | bTransmitSucceeded = true; |
6729ac71 LOK |
585 | break; |
586 | case MSGCODE_TRANSMIT_SUCCEEDED: | |
5477a250 | 587 | CLibCEC::AddLog(CEC_LOG_DEBUG, msg.ToString()); |
6729ac71 LOK |
588 | bTransmitSucceeded = (iPacketsLeft == 0); |
589 | bError = !bTransmitSucceeded; | |
b2f0b1ab | 590 | message.reply = MSGCODE_TRANSMIT_SUCCEEDED; |
6729ac71 LOK |
591 | break; |
592 | default: | |
593 | // ignore other data while waiting | |
594 | break; | |
595 | } | |
596 | ||
597 | iNow = GetTimeMs(); | |
598 | } | |
599 | } | |
600 | ||
b1f94db1 LOK |
601 | message.state = bTransmitSucceeded && !bError ? |
602 | ADAPTER_MESSAGE_STATE_SENT_ACKED : | |
603 | ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED; | |
604 | ||
6729ac71 LOK |
605 | return bTransmitSucceeded && !bError; |
606 | } | |
607 | ||
7bb4ed43 | 608 | void CUSBCECAdapterCommunication::AddData(uint8_t *data, size_t iLen) |
ef7696f5 LOK |
609 | { |
610 | CLockObject lock(m_mutex); | |
99666519 | 611 | for (size_t iPtr = 0; iPtr < iLen; iPtr++) |
7bb4ed43 LOK |
612 | { |
613 | if (!m_bGotStart) | |
614 | { | |
615 | if (data[iPtr] == MSGSTART) | |
616 | m_bGotStart = true; | |
617 | } | |
618 | else if (data[iPtr] == MSGSTART) //we found a msgstart before msgend, this is not right, remove | |
619 | { | |
620 | if (m_currentAdapterMessage.Size() > 0) | |
621 | CLibCEC::AddLog(CEC_LOG_WARNING, "received MSGSTART before MSGEND, removing previous buffer contents"); | |
622 | m_currentAdapterMessage.Clear(); | |
623 | m_bGotStart = true; | |
624 | } | |
625 | else if (data[iPtr] == MSGEND) | |
626 | { | |
627 | CCECAdapterMessage *newMessage = new CCECAdapterMessage; | |
628 | newMessage->packet = m_currentAdapterMessage.packet; | |
629 | m_inBuffer.Push(newMessage); | |
630 | m_currentAdapterMessage.Clear(); | |
631 | m_bGotStart = false; | |
632 | m_bNextIsEscaped = false; | |
960f33c6 | 633 | m_bHasData = true; |
7bb4ed43 LOK |
634 | m_rcvCondition.Signal(); |
635 | } | |
636 | else if (m_bNextIsEscaped) | |
637 | { | |
638 | m_currentAdapterMessage.PushBack(data[iPtr] + (uint8_t)ESCOFFSET); | |
639 | m_bNextIsEscaped = false; | |
640 | } | |
641 | else if (data[iPtr] == MSGESC) | |
642 | { | |
643 | m_bNextIsEscaped = true; | |
644 | } | |
645 | else | |
646 | { | |
647 | m_currentAdapterMessage.PushBack(data[iPtr]); | |
648 | } | |
649 | } | |
ef7696f5 LOK |
650 | } |
651 | ||
b1f94db1 | 652 | bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout, size_t iSize /* = 256 */) |
ef7696f5 | 653 | { |
99666519 LOK |
654 | ssize_t iBytesRead; |
655 | uint8_t buff[256]; | |
ef7696f5 LOK |
656 | if (!m_port) |
657 | return false; | |
b1f94db1 LOK |
658 | if (iSize > 256) |
659 | iSize = 256; | |
ef7696f5 | 660 | |
1fc16cfd | 661 | CLockObject lock(m_mutex); |
b1f94db1 | 662 | iBytesRead = m_port->Read(buff, sizeof(uint8_t) * iSize, iTimeout); |
ef7696f5 LOK |
663 | if (iBytesRead < 0 || iBytesRead > 256) |
664 | { | |
99666519 | 665 | CLibCEC::AddLog(CEC_LOG_ERROR, "error reading from serial port: %s", m_port->GetError().c_str()); |
60383b11 | 666 | StopThread(false); |
ef7696f5 LOK |
667 | return false; |
668 | } | |
669 | else if (iBytesRead > 0) | |
99666519 LOK |
670 | { |
671 | AddData(buff, iBytesRead); | |
672 | } | |
ef7696f5 LOK |
673 | |
674 | return iBytesRead > 0; | |
675 | } | |
676 | ||
7bb4ed43 | 677 | void CUSBCECAdapterCommunication::SendMessageToAdapter(CCECAdapterMessage *msg) |
ef7696f5 | 678 | { |
1fc16cfd | 679 | CLockObject adapterLock(m_mutex); |
7bb4ed43 LOK |
680 | if (msg->tries == 1) |
681 | SetLineTimeout(msg->lineTimeout); | |
682 | else | |
683 | SetLineTimeout(msg->retryTimeout); | |
684 | ||
99666519 | 685 | if (m_port->Write(msg->packet.data, msg->Size()) != (ssize_t) msg->Size()) |
ef7696f5 | 686 | { |
b74fd339 | 687 | CLibCEC::AddLog(CEC_LOG_ERROR, "error writing to serial port: %s", m_port->GetError().c_str()); |
ef7696f5 LOK |
688 | msg->state = ADAPTER_MESSAGE_STATE_ERROR; |
689 | } | |
690 | else | |
691 | { | |
5477a250 | 692 | CLibCEC::AddLog(CEC_LOG_DEBUG, "command sent"); |
ef7696f5 | 693 | msg->state = ADAPTER_MESSAGE_STATE_SENT; |
b1f94db1 LOK |
694 | |
695 | if (msg->expectControllerAck) | |
696 | { | |
697 | if (!WaitForAck(*msg)) | |
698 | CLibCEC::AddLog(CEC_LOG_DEBUG, "did not receive ack"); | |
699 | } | |
ef7696f5 | 700 | } |
960f33c6 | 701 | msg->event.Signal(); |
ef7696f5 LOK |
702 | } |
703 | ||
7bb4ed43 | 704 | void CUSBCECAdapterCommunication::WriteNextCommand(void) |
ef7696f5 LOK |
705 | { |
706 | CCECAdapterMessage *msg(NULL); | |
707 | if (m_outBuffer.Pop(msg)) | |
708 | SendMessageToAdapter(msg); | |
709 | } |