2 * This file is part of the libCEC(R) library.
4 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
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.
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.
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.
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
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/
33 #include "USBCECAdapterCommunication.h"
34 #include "../platform/sockets/serialport.h"
35 #include "../platform/util/timeutils.h"
36 #include "../LibCEC.h"
37 #include "../CECProcessor.h"
41 using namespace PLATFORM
;
43 #define CEC_ADAPTER_PING_TIMEOUT 15000
45 CUSBCECAdapterCommunication::CUSBCECAdapterCommunication(CCECProcessor
*processor
, const char *strPort
, uint16_t iBaudRate
/* = 38400 */) :
47 m_processor(processor
),
50 m_iFirmwareVersion(CEC_FW_VERSION_UNKNOWN
),
51 m_lastDestination(CECDEVICE_UNKNOWN
),
52 m_bNextIsEscaped(false),
56 for (unsigned int iPtr
= 0; iPtr
< 15; iPtr
++)
57 m_bWaitingForAck
[iPtr
] = false;
58 m_port
= new CSerialPort(strPort
, iBaudRate
);
61 bool CUSBCECAdapterCommunication::CheckAdapter(uint32_t iTimeoutMs
/* = 10000 */)
64 uint64_t iNow
= GetTimeMs();
65 uint64_t iTarget
= iTimeoutMs
> 0 ? iNow
+ iTimeoutMs
: iNow
+ CEC_DEFAULT_TRANSMIT_WAIT
;
67 /* try to ping the adapter */
70 while (iNow
< iTarget
&& (bPinged
= PingAdapter()) == false)
72 CLibCEC::AddLog(CEC_LOG_ERROR
, "the adapter did not respond correctly to a ping (try %d)", ++iPingTry
);
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
&& iFwVersionTry
< 3)
82 CLibCEC::AddLog(CEC_LOG_WARNING
, "the adapter did not respond with a correct firmware version (try %d)", ++iFwVersionTry
);
87 if (m_iFirmwareVersion
== CEC_FW_VERSION_UNKNOWN
)
89 CLibCEC::AddLog(CEC_LOG_DEBUG
, "defaulting to firmware version 1");
90 m_iFirmwareVersion
= 1;
93 if (m_iFirmwareVersion
>= 2)
95 /* try to set controlled mode */
96 unsigned iControlledTry(0);
97 bool bControlled(false);
98 while (iNow
< iTarget
&& (bControlled
= SetControlledMode(true)) == false)
100 CLibCEC::AddLog(CEC_LOG_ERROR
, "the adapter did not respond correctly to setting controlled mode (try %d)", ++iControlledTry
);
104 bReturn
= bControlled
;
110 CLockObject
lock(m_mutex
);
111 m_bInitialised
= bReturn
;
117 bool CUSBCECAdapterCommunication::Open(IAdapterCommunicationCallback
*cb
, uint32_t iTimeoutMs
/* = 10000 */, bool bSkipChecks
/* = false */, bool bStartListening
/* = true */)
119 uint64_t iNow
= GetTimeMs();
120 uint64_t iTimeout
= iNow
+ iTimeoutMs
;
123 CLockObject
lock(m_mutex
);
127 CLibCEC::AddLog(CEC_LOG_ERROR
, "port is NULL");
133 CLibCEC::AddLog(CEC_LOG_ERROR
, "port is already open");
139 bool bConnected(false);
140 while (!bConnected
&& iNow
< iTimeout
)
142 if ((bConnected
= m_port
->Open(iTimeout
)) == false)
144 strError
.Format("error opening serial port '%s': %s", m_port
->GetName().c_str(), m_port
->GetError().c_str());
152 CLibCEC::AddLog(CEC_LOG_ERROR
, strError
);
156 CLibCEC::AddLog(CEC_LOG_DEBUG
, "connection opened, clearing any previous input and waiting for active transmissions to end before starting");
160 //clear any input bytes
162 ssize_t
iBytesRead(0);
163 bool bGotMsgStart(false), bGotMsgEnd(false);
164 while ((iBytesRead
= m_port
->Read(buff
, 1024, 100)) > 0 || (bGotMsgStart
&& !bGotMsgEnd
))
167 CLibCEC::AddLog(CEC_LOG_DEBUG
, "data received, clearing it");
168 // if something was received, wait for MSGEND
169 for (ssize_t iPtr
= 0; iPtr
< iBytesRead
; iPtr
++)
171 if (buff
[iPtr
] == MSGSTART
)
173 else if (buff
[iPtr
] == MSGEND
)
181 if (!bSkipChecks
&& !CheckAdapter())
183 CLibCEC::AddLog(CEC_LOG_ERROR
, "the adapter failed to pass basic checks");
188 else if (bStartListening
)
192 CLibCEC::AddLog(CEC_LOG_DEBUG
, "communication thread started");
199 CLibCEC::AddLog(CEC_LOG_ERROR
, "could not create a communication thread");
212 void CUSBCECAdapterCommunication::Close(void)
217 void *CUSBCECAdapterCommunication::Process(void)
221 bool bCommandReceived(false);
222 CTimeout
pingTimeout(CEC_ADAPTER_PING_TIMEOUT
);
226 CLockObject
lock(m_mutex
);
228 bCommandReceived
= m_callback
&& Read(command
, 0) && m_bInitialised
;
231 /* push the next command to the callback method if there is one */
232 if (!IsStopped() && bCommandReceived
)
233 m_callback
->OnCommandReceived(command
);
235 /* ping the adapter every 15 seconds */
236 if (pingTimeout
.TimeLeft() == 0)
238 pingTimeout
.Init(CEC_ADAPTER_PING_TIMEOUT
);
246 /* notify all threads that are waiting on messages to be sent */
247 CCECAdapterMessage
*msg(NULL
);
248 while (m_outBuffer
.Pop(msg
))
249 msg
->event
.Broadcast();
251 /* set the ackmask to 0 before closing the connection */
252 SetAckMaskInternal(0, true);
254 if (m_iFirmwareVersion
>= 2)
255 SetControlledMode(false);
263 m_rcvCondition
.Broadcast();
267 cec_adapter_message_state
CUSBCECAdapterCommunication::Write(const cec_command
&data
, uint8_t iMaxTries
, uint8_t iLineTimeout
/* = 3 */, uint8_t iRetryLineTimeout
/* = 3 */)
269 cec_adapter_message_state
retVal(ADAPTER_MESSAGE_STATE_UNKNOWN
);
273 CCECAdapterMessage
*output
= new CCECAdapterMessage(data
);
275 /* set the number of retries */
276 if (data
.opcode
== CEC_OPCODE_NONE
) //TODO
277 output
->maxTries
= 1;
278 else if (data
.initiator
!= CECDEVICE_BROADCAST
)
279 output
->maxTries
= iMaxTries
;
281 output
->lineTimeout
= iLineTimeout
;
282 output
->retryTimeout
= iRetryLineTimeout
;
285 if (data
.destination
< 15)
287 CLockObject
lock(m_mutex
);
288 m_bWaitingForAck
[data
.destination
] = true;
292 while (bRetry
&& ++output
->tries
< output
->maxTries
)
294 bRetry
= (!Write(output
) || output
->NeedsRetry()) && output
->transmit_timeout
> 0;
296 Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT
);
298 retVal
= output
->state
;
304 bool CUSBCECAdapterCommunication::Write(CCECAdapterMessage
*data
)
306 data
->state
= ADAPTER_MESSAGE_STATE_WAITING_TO_BE_SENT
;
307 m_outBuffer
.Push(data
);
308 data
->event
.Wait(5000);
310 if ((data
->expectControllerAck
&& data
->state
!= ADAPTER_MESSAGE_STATE_SENT_ACKED
) ||
311 (!data
->expectControllerAck
&& data
->state
!= ADAPTER_MESSAGE_STATE_SENT
))
313 CLibCEC::AddLog(CEC_LOG_DEBUG
, "command was not %s", data
->state
== ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED
? "acked" : "sent");
320 bool CUSBCECAdapterCommunication::Read(cec_command
&command
, uint32_t iTimeout
)
325 CCECAdapterMessage msg
;
326 if (Read(msg
, iTimeout
))
328 if (ParseMessage(msg
))
330 command
= m_currentframe
;
331 m_currentframe
.Clear();
338 bool CUSBCECAdapterCommunication::Read(CCECAdapterMessage
&msg
, uint32_t iTimeout
)
340 CLockObject
lock(m_mutex
);
343 CCECAdapterMessage
*buf(NULL
);
345 if (!m_inBuffer
.Pop(buf
))
347 if (iTimeout
== 0 || !m_rcvCondition
.Wait(m_mutex
, m_bHasData
, iTimeout
))
350 m_bHasData
= !m_inBuffer
.IsEmpty();
355 msg
.packet
= buf
->packet
;
356 msg
.state
= ADAPTER_MESSAGE_STATE_INCOMING
;
363 CStdString
CUSBCECAdapterCommunication::GetError(void) const
366 strError
= m_port
->GetError();
370 bool CUSBCECAdapterCommunication::StartBootloader(void)
376 CLibCEC::AddLog(CEC_LOG_DEBUG
, "starting the bootloader");
378 CCECAdapterMessage params
;
379 return SendCommand(MSGCODE_START_BOOTLOADER
, params
, false);
382 bool CUSBCECAdapterCommunication::PingAdapter(void)
384 CLockObject
lock(m_mutex
);
385 CLibCEC::AddLog(CEC_LOG_DEBUG
, "sending ping");
387 CCECAdapterMessage params
;
388 return SendCommand(MSGCODE_PING
, params
);
391 bool CUSBCECAdapterCommunication::ParseMessage(const CCECAdapterMessage
&msg
)
394 bool bIsError(msg
.IsError());
399 CLockObject
adapterLock(m_mutex
);
400 switch(msg
.Message())
402 case MSGCODE_FRAME_START
:
404 m_currentframe
.Clear();
407 m_currentframe
.initiator
= msg
.Initiator();
408 m_currentframe
.destination
= msg
.Destination();
409 m_currentframe
.ack
= msg
.IsACK();
410 m_currentframe
.eom
= msg
.IsEOM();
412 if (m_currentframe
.ack
== 0x1)
414 m_lastDestination
= m_currentframe
.destination
;
415 if (m_currentframe
.destination
< 15)
417 if (!m_bWaitingForAck
[m_currentframe
.destination
])
418 m_processor
->HandlePoll(m_currentframe
.initiator
, m_currentframe
.destination
);
420 m_bWaitingForAck
[m_currentframe
.destination
] = false;
425 case MSGCODE_RECEIVE_FAILED
:
427 m_currentframe
.Clear();
428 if (m_lastDestination
!= CECDEVICE_UNKNOWN
)
429 bIsError
= m_processor
->HandleReceiveFailed(m_lastDestination
);
432 case MSGCODE_FRAME_DATA
:
436 m_currentframe
.PushBack(msg
[1]);
437 m_currentframe
.eom
= msg
.IsEOM();
445 CLibCEC::AddLog(bIsError
? CEC_LOG_WARNING
: CEC_LOG_DEBUG
, msg
.ToString());
449 uint16_t CUSBCECAdapterCommunication::GetFirmwareVersion(void)
451 uint16_t iReturn(m_iFirmwareVersion
);
453 if (iReturn
== CEC_FW_VERSION_UNKNOWN
)
455 CLockObject
lock(m_mutex
);
456 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting the firmware version");
457 cec_datapacket response
= GetSetting(MSGCODE_FIRMWARE_VERSION
, 2);
458 if (response
.size
== 2)
460 m_iFirmwareVersion
= (response
[0] << 8 | response
[1]);
461 iReturn
= m_iFirmwareVersion
;
462 CLibCEC::AddLog(CEC_LOG_DEBUG
, "firmware version %d", m_iFirmwareVersion
);
469 bool CUSBCECAdapterCommunication::SetLineTimeout(uint8_t iTimeout
)
473 if (m_iLineTimeout
!= iTimeout
)
475 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the line timeout to %d", iTimeout
);
476 CCECAdapterMessage params
;
477 params
.PushEscaped(iTimeout
);
478 bReturn
= SendCommand(MSGCODE_TRANSMIT_IDLETIME
, params
);
480 m_iLineTimeout
= iTimeout
;
486 bool CUSBCECAdapterCommunication::SetAckMask(uint16_t iMask
)
488 return SetAckMaskInternal(iMask
, IsRunning());
491 bool CUSBCECAdapterCommunication::SetAckMaskInternal(uint16_t iMask
, bool bWriteDirectly
/* = false */)
493 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting ackmask to %2x", iMask
);
495 CCECAdapterMessage params
;
496 params
.PushEscaped(iMask
>> 8);
497 params
.PushEscaped((uint8_t)iMask
);
498 return SendCommand(MSGCODE_SET_ACK_MASK
, params
, true, false, bWriteDirectly
);
501 bool CUSBCECAdapterCommunication::PersistConfiguration(libcec_configuration
*configuration
)
503 if (m_iFirmwareVersion
< 2)
507 bReturn
&= SetSettingAutoEnabled(true);
508 bReturn
&= SetSettingDeviceType(CLibCEC::GetType(configuration
->logicalAddresses
.primary
));
509 bReturn
&= SetSettingDefaultLogicalAddress(configuration
->logicalAddresses
.primary
);
510 bReturn
&= SetSettingLogicalAddressMask(CLibCEC::GetMaskForType(configuration
->logicalAddresses
.primary
));
511 bReturn
&= SetSettingPhysicalAddress(configuration
->iPhysicalAddress
);
512 bReturn
&= SetSettingCECVersion(CEC_VERSION_1_3A
);
513 bReturn
&= SetSettingOSDName(configuration
->strDeviceName
);
515 bReturn
= WriteEEPROM();
519 bool CUSBCECAdapterCommunication::GetConfiguration(libcec_configuration
*configuration
)
521 configuration
->iFirmwareVersion
= m_iFirmwareVersion
;
522 if (m_iFirmwareVersion
< 2)
526 cec_device_type type
;
527 if (GetSettingDeviceType(type
))
529 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted device type setting %s", m_processor
->ToString(type
));
530 configuration
->deviceTypes
.Clear();
531 configuration
->deviceTypes
.Add(type
);
535 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted device type setting");
539 if (GetSettingPhysicalAddress(configuration
->iPhysicalAddress
))
541 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted physical address setting %4x", configuration
->iPhysicalAddress
);
545 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted physical address setting");
549 CStdString strDeviceName
;
550 if (GetSettingOSDName(strDeviceName
))
552 snprintf(configuration
->strDeviceName
, 13, "%s", strDeviceName
.c_str());
553 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted device name setting %s", configuration
->strDeviceName
);
557 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted device name setting");
561 // don't read the following settings:
562 // - auto enabled (always enabled)
563 // - default logical address (autodetected)
564 // - logical address mask (autodetected)
565 // - CEC version (1.3a)
567 // TODO to be added to the firmware:
568 // - base device (4 bits)
569 // - HDMI port number (4 bits)
570 // - TV vendor id (12 bits)
571 // - wake devices (8 bits)
572 // - standby devices (8 bits)
573 // - use TV menu language (1 bit)
574 // - activate source (1 bit)
575 // - power off screensaver (1 bit)
576 // - power off on standby (1 bit)
577 // - send inactive source (1 bit)
581 bool CUSBCECAdapterCommunication::SetControlledMode(bool controlled
)
583 CLockObject
lock(m_mutex
);
584 CLibCEC::AddLog(CEC_LOG_DEBUG
, "turning controlled mode %s", controlled
? "on" : "off");
586 CCECAdapterMessage params
;
587 params
.PushEscaped(controlled
? 1 : 0);
588 return SendCommand(MSGCODE_SET_CONTROLLED
, params
);
591 bool CUSBCECAdapterCommunication::SetSettingAutoEnabled(bool enabled
)
593 CLockObject
lock(m_mutex
);
594 CLibCEC::AddLog(CEC_LOG_DEBUG
, "turning autonomous mode %s", enabled
? "on" : "off");
596 CCECAdapterMessage params
;
597 params
.PushEscaped(enabled
? 1 : 0);
598 return SendCommand(MSGCODE_SET_AUTO_ENABLED
, params
);
601 bool CUSBCECAdapterCommunication::GetSettingAutoEnabled(bool &enabled
)
603 CLockObject
lock(m_mutex
);
604 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting autonomous mode setting");
606 cec_datapacket response
= GetSetting(MSGCODE_GET_AUTO_ENABLED
, 1);
607 if (response
.size
== 1)
609 enabled
= response
[0] == 1;
615 bool CUSBCECAdapterCommunication::SetSettingDeviceType(cec_device_type type
)
617 CLockObject
lock(m_mutex
);
618 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the device type to %1X", (uint8_t)type
);
620 CCECAdapterMessage params
;
621 params
.PushEscaped((uint8_t)type
);
622 return SendCommand(MSGCODE_SET_DEVICE_TYPE
, params
);
625 bool CUSBCECAdapterCommunication::GetSettingDeviceType(cec_device_type
&value
)
627 CLockObject
lock(m_mutex
);
628 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting device type setting");
630 cec_datapacket response
= GetSetting(MSGCODE_GET_DEVICE_TYPE
, 1);
631 if (response
.size
== 1)
633 value
= (cec_device_type
)response
[0];
639 bool CUSBCECAdapterCommunication::SetSettingDefaultLogicalAddress(cec_logical_address address
)
641 CLockObject
lock(m_mutex
);
642 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the default logical address to %1X", address
);
644 CCECAdapterMessage params
;
645 params
.PushEscaped((uint8_t)address
);
646 return SendCommand(MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS
, params
);
649 bool CUSBCECAdapterCommunication::GetSettingDefaultLogicalAddress(cec_logical_address
&address
)
651 CLockObject
lock(m_mutex
);
652 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting default logical address setting");
654 cec_datapacket response
= GetSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS
, 1);
655 if (response
.size
== 1)
657 address
= (cec_logical_address
)response
[0];
663 bool CUSBCECAdapterCommunication::SetSettingLogicalAddressMask(uint16_t iMask
)
665 CLockObject
lock(m_mutex
);
666 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the logical address mask to %2X", iMask
);
668 CCECAdapterMessage params
;
669 params
.PushEscaped(iMask
>> 8);
670 params
.PushEscaped((uint8_t)iMask
);
671 return SendCommand(MSGCODE_SET_LOGICAL_ADDRESS_MASK
, params
);
674 bool CUSBCECAdapterCommunication::GetSettingLogicalAddressMask(uint16_t &iMask
)
676 CLockObject
lock(m_mutex
);
677 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting logical address mask setting");
679 cec_datapacket response
= GetSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK
, 2);
680 if (response
.size
== 2)
682 iMask
= ((uint16_t)response
[0] << 8) | ((uint16_t)response
[1]);
688 bool CUSBCECAdapterCommunication::SetSettingPhysicalAddress(uint16_t iPhysicalAddress
)
690 CLockObject
lock(m_mutex
);
691 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the physical address to %04X", iPhysicalAddress
);
693 CCECAdapterMessage params
;
694 params
.PushEscaped(iPhysicalAddress
>> 8);
695 params
.PushEscaped((uint8_t)iPhysicalAddress
);
696 return SendCommand(MSGCODE_SET_PHYSICAL_ADDRESS
, params
);
699 bool CUSBCECAdapterCommunication::GetSettingPhysicalAddress(uint16_t &iPhysicalAddress
)
701 CLockObject
lock(m_mutex
);
702 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting physical address setting");
704 cec_datapacket response
= GetSetting(MSGCODE_GET_PHYSICAL_ADDRESS
, 2);
705 if (response
.size
== 2)
707 iPhysicalAddress
= ((uint16_t)response
[0] << 8) | ((uint16_t)response
[1]);
713 bool CUSBCECAdapterCommunication::SetSettingCECVersion(cec_version version
)
715 CLockObject
lock(m_mutex
);
716 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the CEC version to %s", CLibCEC::GetInstance()->ToString(version
));
718 CCECAdapterMessage params
;
719 params
.PushEscaped((uint8_t)version
);
720 return SendCommand(MSGCODE_SET_HDMI_VERSION
, params
);
723 bool CUSBCECAdapterCommunication::GetSettingCECVersion(cec_version
&version
)
725 CLockObject
lock(m_mutex
);
726 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting CEC version setting");
728 cec_datapacket response
= GetSetting(MSGCODE_GET_HDMI_VERSION
, 1);
729 if (response
.size
== 1)
731 version
= (cec_version
)response
[0];
737 bool CUSBCECAdapterCommunication::SetSettingOSDName(const char *strOSDName
)
739 CLockObject
lock(m_mutex
);
740 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the OSD name to %s", strOSDName
);
742 CCECAdapterMessage params
;
743 for (size_t iPtr
= 0; iPtr
< strlen(strOSDName
); iPtr
++)
744 params
.PushEscaped(strOSDName
[iPtr
]);
745 return SendCommand(MSGCODE_SET_OSD_NAME
, params
);
748 bool CUSBCECAdapterCommunication::GetSettingOSDName(CStdString
&strOSDName
)
750 CLockObject
lock(m_mutex
);
751 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting OSD name setting");
753 cec_datapacket response
= GetSetting(MSGCODE_GET_OSD_NAME
, 13);
754 if (response
.size
== 0)
758 for (uint8_t iPtr
= 0; iPtr
< response
.size
&& iPtr
< 13; iPtr
++)
759 buf
[iPtr
] = (char)response
[iPtr
];
760 buf
[response
.size
] = 0;
762 strOSDName
.Format("%s", buf
);
766 bool CUSBCECAdapterCommunication::WriteEEPROM(void)
768 CLockObject
lock(m_mutex
);
769 CLibCEC::AddLog(CEC_LOG_DEBUG
, "writing settings in the EEPROM");
771 CCECAdapterMessage params
;
772 return SendCommand(MSGCODE_WRITE_EEPROM
, params
);
775 bool CUSBCECAdapterCommunication::IsOpen(void)
777 return !IsStopped() && m_port
->IsOpen() && IsRunning();
780 bool CUSBCECAdapterCommunication::WaitForAck(CCECAdapterMessage
&message
)
783 bool bTransmitSucceeded(false);
784 uint8_t iPacketsLeft(message
.isTransmission
? message
.Size() / 4 : 1);
786 int64_t iNow
= GetTimeMs();
787 int64_t iTargetTime
= iNow
+ (message
.transmit_timeout
<= 5 ? CEC_DEFAULT_TRANSMIT_WAIT
: message
.transmit_timeout
);
789 while (!bTransmitSucceeded
&& !bError
&& iNow
< iTargetTime
)
792 CCECAdapterMessage msg
;
799 if (msg
.Message() == MSGCODE_FRAME_START
&& msg
.IsACK())
801 if (msg
.Initiator() < 15 && m_bWaitingForAck
[msg
.Initiator()])
802 m_bWaitingForAck
[msg
.Initiator()] = false;
803 else if (msg
.Initiator() < 15)
805 m_processor
->HandlePoll(msg
.Initiator(), msg
.Destination());
806 m_lastDestination
= msg
.Initiator();
812 if (msg
.Message() == MSGCODE_RECEIVE_FAILED
&&
813 m_lastDestination
!= CECDEVICE_UNKNOWN
&&
814 m_processor
->HandleReceiveFailed(m_lastDestination
))
820 bError
= msg
.IsError();
823 message
.reply
= msg
.Message();
824 CLibCEC::AddLog(CEC_LOG_DEBUG
, msg
.ToString());
828 switch(msg
.Message())
830 case MSGCODE_COMMAND_ACCEPTED
:
831 if (iPacketsLeft
> 0)
833 if (!message
.isTransmission
&& iPacketsLeft
== 0)
834 bTransmitSucceeded
= true;
835 CLibCEC::AddLog(CEC_LOG_DEBUG
, "%s - waiting for %d more", msg
.ToString().c_str(), iPacketsLeft
);
837 case MSGCODE_TRANSMIT_SUCCEEDED
:
838 CLibCEC::AddLog(CEC_LOG_DEBUG
, msg
.ToString());
839 bTransmitSucceeded
= (iPacketsLeft
== 0);
840 bError
= !bTransmitSucceeded
;
841 message
.reply
= MSGCODE_TRANSMIT_SUCCEEDED
;
844 // ignore other data while waiting
852 message
.state
= bTransmitSucceeded
&& !bError
?
853 ADAPTER_MESSAGE_STATE_SENT_ACKED
:
854 ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED
;
856 return bTransmitSucceeded
&& !bError
;
859 void CUSBCECAdapterCommunication::AddData(uint8_t *data
, size_t iLen
)
861 CLockObject
lock(m_mutex
);
862 for (size_t iPtr
= 0; iPtr
< iLen
; iPtr
++)
866 if (data
[iPtr
] == MSGSTART
)
869 else if (data
[iPtr
] == MSGSTART
) //we found a msgstart before msgend, this is not right, remove
871 if (m_currentAdapterMessage
.Size() > 0)
872 CLibCEC::AddLog(CEC_LOG_WARNING
, "received MSGSTART before MSGEND, removing previous buffer contents");
873 m_currentAdapterMessage
.Clear();
876 else if (data
[iPtr
] == MSGEND
)
878 CCECAdapterMessage
*newMessage
= new CCECAdapterMessage
;
879 newMessage
->packet
= m_currentAdapterMessage
.packet
;
880 m_inBuffer
.Push(newMessage
);
881 m_currentAdapterMessage
.Clear();
883 m_bNextIsEscaped
= false;
885 m_rcvCondition
.Broadcast();
887 else if (m_bNextIsEscaped
)
889 m_currentAdapterMessage
.PushBack(data
[iPtr
] + (uint8_t)ESCOFFSET
);
890 m_bNextIsEscaped
= false;
892 else if (data
[iPtr
] == MSGESC
)
894 m_bNextIsEscaped
= true;
898 m_currentAdapterMessage
.PushBack(data
[iPtr
]);
903 bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout
, size_t iSize
/* = 256 */)
912 CLockObject
lock(m_mutex
);
913 iBytesRead
= m_port
->Read(buff
, sizeof(uint8_t) * iSize
, iTimeout
);
914 if (iBytesRead
< 0 || iBytesRead
> 256)
916 CLibCEC::AddLog(CEC_LOG_ERROR
, "error reading from serial port: %s", m_port
->GetError().c_str());
920 else if (iBytesRead
> 0)
922 AddData(buff
, iBytesRead
);
925 return iBytesRead
> 0;
928 void CUSBCECAdapterCommunication::SendMessageToAdapter(CCECAdapterMessage
*msg
)
930 CLockObject
adapterLock(m_mutex
);
931 if (!m_port
->IsOpen())
933 CLibCEC::AddLog(CEC_LOG_ERROR
, "error writing to serial port: the connection is closed");
934 msg
->state
= ADAPTER_MESSAGE_STATE_ERROR
;
938 if (msg
->isTransmission
&& (msg
->Size() < 2 || msg
->At(1) != MSGCODE_TRANSMIT_IDLETIME
))
941 SetLineTimeout(msg
->lineTimeout
);
943 SetLineTimeout(msg
->retryTimeout
);
946 if (m_port
->Write(msg
->packet
.data
, msg
->Size()) != (ssize_t
) msg
->Size())
948 CLibCEC::AddLog(CEC_LOG_ERROR
, "error writing to serial port: %s", m_port
->GetError().c_str());
949 msg
->state
= ADAPTER_MESSAGE_STATE_ERROR
;
953 CLibCEC::AddLog(CEC_LOG_DEBUG
, "command sent");
954 msg
->state
= ADAPTER_MESSAGE_STATE_SENT
;
956 if (msg
->expectControllerAck
)
958 if (!WaitForAck(*msg
))
959 CLibCEC::AddLog(CEC_LOG_DEBUG
, "did not receive ack");
965 void CUSBCECAdapterCommunication::WriteNextCommand(void)
967 CCECAdapterMessage
*msg(NULL
);
968 if (m_outBuffer
.Pop(msg
))
969 SendMessageToAdapter(msg
);
972 CStdString
CUSBCECAdapterCommunication::GetPortName(void)
975 strName
= m_port
->GetName();
979 bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode
, CCECAdapterMessage
¶ms
, bool bExpectAck
/* = true */, bool bIsTransmission
/* = false */, bool bSendDirectly
/* = true */, bool bIsRetry
/* = false */)
981 CLockObject
lock(m_mutex
);
983 CCECAdapterMessage
*output
= new CCECAdapterMessage
;
985 output
->PushBack(MSGSTART
);
986 output
->PushEscaped((uint8_t)msgCode
);
987 output
->Append(params
);
988 output
->PushBack(MSGEND
);
989 output
->isTransmission
= bIsTransmission
;
990 output
->expectControllerAck
= bExpectAck
;
993 SendMessageToAdapter(output
);
997 bool bWriteOk
= output
->state
== (output
->expectControllerAck
? ADAPTER_MESSAGE_STATE_SENT_ACKED
: ADAPTER_MESSAGE_STATE_SENT
);
998 cec_adapter_messagecode reply
= output
->reply
;
1003 CLibCEC::AddLog(CEC_LOG_ERROR
, "'%s' failed", CCECAdapterMessage::ToString(msgCode
));
1005 if (!bIsRetry
&& reply
== MSGCODE_COMMAND_REJECTED
&& msgCode
!= MSGCODE_SET_CONTROLLED
)
1007 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting controlled mode and retrying");
1008 if (SetControlledMode(true))
1009 return SendCommand(msgCode
, params
, bExpectAck
, bIsTransmission
, bSendDirectly
, true);
1017 cec_datapacket
CUSBCECAdapterCommunication::GetSetting(cec_adapter_messagecode msgCode
, uint8_t iResponseLength
)
1019 cec_datapacket retVal
;
1022 CCECAdapterMessage params
;
1023 if (!SendCommand(msgCode
, params
, false))
1025 CLibCEC::AddLog(CEC_LOG_ERROR
, "%s failed", CCECAdapterMessage::ToString(msgCode
));
1029 Sleep(250); // TODO ReadFromDevice() isn't waiting for the timeout to pass on win32
1030 ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT
, iResponseLength
+ 3 /* start + msgcode + iResponseLength + end */);
1031 CCECAdapterMessage input
;
1034 if (input
.Message() != msgCode
)
1035 CLibCEC::AddLog(CEC_LOG_ERROR
, "invalid response to %s received (%s)", CCECAdapterMessage::ToString(msgCode
), CCECAdapterMessage::ToString(input
.Message()));
1038 for (uint8_t iPtr
= 1; iPtr
< input
.Size(); iPtr
++)
1039 retVal
.PushBack(input
[iPtr
]);
1044 CLibCEC::AddLog(CEC_LOG_ERROR
, "no response to %s received", CCECAdapterMessage::ToString(msgCode
));