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
);
243 /* set the ackmask to 0 before closing the connection */
244 SetAckMaskInternal(0, true);
246 if (m_iFirmwareVersion
>= 2)
247 SetControlledMode(false);
255 m_rcvCondition
.Broadcast();
259 cec_adapter_message_state
CUSBCECAdapterCommunication::Write(const cec_command
&data
, uint8_t iMaxTries
, uint8_t iLineTimeout
/* = 3 */, uint8_t iRetryLineTimeout
/* = 3 */)
261 cec_adapter_message_state
retVal(ADAPTER_MESSAGE_STATE_UNKNOWN
);
265 CCECAdapterMessage
*output
= new CCECAdapterMessage(data
);
267 /* set the number of retries */
268 if (data
.opcode
== CEC_OPCODE_NONE
) //TODO
269 output
->maxTries
= 1;
270 else if (data
.initiator
!= CECDEVICE_BROADCAST
)
271 output
->maxTries
= iMaxTries
;
273 output
->lineTimeout
= iLineTimeout
;
274 output
->retryTimeout
= iRetryLineTimeout
;
277 if (data
.destination
< 15)
279 CLockObject
lock(m_mutex
);
280 m_bWaitingForAck
[data
.destination
] = true;
284 while (bRetry
&& ++output
->tries
< output
->maxTries
)
286 bRetry
= (!Write(output
) || output
->NeedsRetry()) && output
->transmit_timeout
> 0;
288 Sleep(CEC_DEFAULT_TRANSMIT_RETRY_WAIT
);
290 retVal
= output
->state
;
296 bool CUSBCECAdapterCommunication::Write(CCECAdapterMessage
*data
)
298 data
->state
= ADAPTER_MESSAGE_STATE_WAITING_TO_BE_SENT
;
299 SendMessageToAdapter(data
);
300 data
->event
.Wait(5000);
302 if ((data
->expectControllerAck
&& data
->state
!= ADAPTER_MESSAGE_STATE_SENT_ACKED
) ||
303 (!data
->expectControllerAck
&& data
->state
!= ADAPTER_MESSAGE_STATE_SENT
))
305 CLibCEC::AddLog(CEC_LOG_DEBUG
, "command was not %s", data
->state
== ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED
? "acked" : "sent");
312 bool CUSBCECAdapterCommunication::Read(cec_command
&command
, uint32_t iTimeout
)
317 CCECAdapterMessage msg
;
318 if (Read(msg
, iTimeout
))
320 if (ParseMessage(msg
))
322 command
= m_currentframe
;
323 m_currentframe
.Clear();
330 bool CUSBCECAdapterCommunication::Read(CCECAdapterMessage
&msg
, uint32_t iTimeout
)
332 CLockObject
lock(m_mutex
);
335 CCECAdapterMessage
*buf(NULL
);
337 if (!m_inBuffer
.Pop(buf
))
339 if (iTimeout
== 0 || !m_rcvCondition
.Wait(m_mutex
, m_bHasData
, iTimeout
))
342 m_bHasData
= !m_inBuffer
.IsEmpty();
347 msg
.packet
= buf
->packet
;
348 msg
.state
= ADAPTER_MESSAGE_STATE_INCOMING
;
355 CStdString
CUSBCECAdapterCommunication::GetError(void) const
358 strError
= m_port
->GetError();
362 bool CUSBCECAdapterCommunication::StartBootloader(void)
368 CLibCEC::AddLog(CEC_LOG_DEBUG
, "starting the bootloader");
370 CCECAdapterMessage params
;
371 return SendCommand(MSGCODE_START_BOOTLOADER
, params
, false);
374 bool CUSBCECAdapterCommunication::PingAdapter(void)
376 CLockObject
lock(m_mutex
);
377 CLibCEC::AddLog(CEC_LOG_DEBUG
, "sending ping");
379 CCECAdapterMessage params
;
380 return SendCommand(MSGCODE_PING
, params
);
383 bool CUSBCECAdapterCommunication::ParseMessage(const CCECAdapterMessage
&msg
)
386 bool bIsError(msg
.IsError());
391 CLockObject
adapterLock(m_mutex
);
392 switch(msg
.Message())
394 case MSGCODE_FRAME_START
:
396 m_currentframe
.Clear();
399 m_currentframe
.initiator
= msg
.Initiator();
400 m_currentframe
.destination
= msg
.Destination();
401 m_currentframe
.ack
= msg
.IsACK();
402 m_currentframe
.eom
= msg
.IsEOM();
404 if (m_currentframe
.ack
== 0x1)
406 m_lastDestination
= m_currentframe
.destination
;
407 if (m_currentframe
.destination
< 15)
409 if (!m_bWaitingForAck
[m_currentframe
.destination
])
410 m_processor
->HandlePoll(m_currentframe
.initiator
, m_currentframe
.destination
);
412 m_bWaitingForAck
[m_currentframe
.destination
] = false;
417 case MSGCODE_RECEIVE_FAILED
:
419 m_currentframe
.Clear();
420 if (m_lastDestination
!= CECDEVICE_UNKNOWN
)
421 bIsError
= m_processor
->HandleReceiveFailed(m_lastDestination
);
424 case MSGCODE_FRAME_DATA
:
428 m_currentframe
.PushBack(msg
[1]);
429 m_currentframe
.eom
= msg
.IsEOM();
437 CLibCEC::AddLog(bIsError
? CEC_LOG_WARNING
: CEC_LOG_DEBUG
, msg
.ToString());
441 uint16_t CUSBCECAdapterCommunication::GetFirmwareVersion(void)
443 uint16_t iReturn(m_iFirmwareVersion
);
445 if (iReturn
== CEC_FW_VERSION_UNKNOWN
)
447 CLockObject
lock(m_mutex
);
448 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting the firmware version");
449 cec_datapacket response
= GetSetting(MSGCODE_FIRMWARE_VERSION
, 2);
450 if (response
.size
== 2)
452 m_iFirmwareVersion
= (response
[0] << 8 | response
[1]);
453 iReturn
= m_iFirmwareVersion
;
454 CLibCEC::AddLog(CEC_LOG_DEBUG
, "firmware version %d", m_iFirmwareVersion
);
461 bool CUSBCECAdapterCommunication::SetLineTimeout(uint8_t iTimeout
)
465 if (m_iLineTimeout
!= iTimeout
)
467 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the line timeout to %d", iTimeout
);
468 CCECAdapterMessage params
;
469 params
.PushEscaped(iTimeout
);
470 bReturn
= SendCommand(MSGCODE_TRANSMIT_IDLETIME
, params
);
472 m_iLineTimeout
= iTimeout
;
478 bool CUSBCECAdapterCommunication::SetAckMask(uint16_t iMask
)
480 return SetAckMaskInternal(iMask
, IsRunning());
483 bool CUSBCECAdapterCommunication::SetAckMaskInternal(uint16_t iMask
, bool bWriteDirectly
/* = false */)
485 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting ackmask to %2x", iMask
);
487 CCECAdapterMessage params
;
488 params
.PushEscaped(iMask
>> 8);
489 params
.PushEscaped((uint8_t)iMask
);
490 return SendCommand(MSGCODE_SET_ACK_MASK
, params
, true, false, bWriteDirectly
);
493 bool CUSBCECAdapterCommunication::PersistConfiguration(libcec_configuration
*configuration
)
495 if (m_iFirmwareVersion
< 2)
499 bReturn
&= SetSettingAutoEnabled(true);
500 bReturn
&= SetSettingDeviceType(CLibCEC::GetType(configuration
->logicalAddresses
.primary
));
501 bReturn
&= SetSettingDefaultLogicalAddress(configuration
->logicalAddresses
.primary
);
502 bReturn
&= SetSettingLogicalAddressMask(CLibCEC::GetMaskForType(configuration
->logicalAddresses
.primary
));
503 bReturn
&= SetSettingPhysicalAddress(configuration
->iPhysicalAddress
);
504 bReturn
&= SetSettingCECVersion(CEC_VERSION_1_3A
);
505 bReturn
&= SetSettingOSDName(configuration
->strDeviceName
);
507 bReturn
= WriteEEPROM();
511 bool CUSBCECAdapterCommunication::GetConfiguration(libcec_configuration
*configuration
)
513 configuration
->iFirmwareVersion
= m_iFirmwareVersion
;
514 if (m_iFirmwareVersion
< 2)
518 cec_device_type type
;
519 if (GetSettingDeviceType(type
))
521 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted device type setting %s", m_processor
->ToString(type
));
522 configuration
->deviceTypes
.Clear();
523 configuration
->deviceTypes
.Add(type
);
527 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted device type setting");
531 if (GetSettingPhysicalAddress(configuration
->iPhysicalAddress
))
533 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted physical address setting %4x", configuration
->iPhysicalAddress
);
537 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted physical address setting");
541 CStdString strDeviceName
;
542 if (GetSettingOSDName(strDeviceName
))
544 snprintf(configuration
->strDeviceName
, 13, "%s", strDeviceName
.c_str());
545 CLibCEC::AddLog(CEC_LOG_DEBUG
, "using persisted device name setting %s", configuration
->strDeviceName
);
549 CLibCEC::AddLog(CEC_LOG_DEBUG
, "no persisted device name setting");
553 // don't read the following settings:
554 // - auto enabled (always enabled)
555 // - default logical address (autodetected)
556 // - logical address mask (autodetected)
557 // - CEC version (1.3a)
559 // TODO to be added to the firmware:
560 // - base device (4 bits)
561 // - HDMI port number (4 bits)
562 // - TV vendor id (12 bits)
563 // - wake devices (8 bits)
564 // - standby devices (8 bits)
565 // - use TV menu language (1 bit)
566 // - activate source (1 bit)
567 // - power off screensaver (1 bit)
568 // - power off on standby (1 bit)
569 // - send inactive source (1 bit)
573 bool CUSBCECAdapterCommunication::SetControlledMode(bool controlled
)
575 CLockObject
lock(m_mutex
);
576 CLibCEC::AddLog(CEC_LOG_DEBUG
, "turning controlled mode %s", controlled
? "on" : "off");
578 CCECAdapterMessage params
;
579 params
.PushEscaped(controlled
? 1 : 0);
580 return SendCommand(MSGCODE_SET_CONTROLLED
, params
);
583 bool CUSBCECAdapterCommunication::SetSettingAutoEnabled(bool enabled
)
585 CLockObject
lock(m_mutex
);
586 CLibCEC::AddLog(CEC_LOG_DEBUG
, "turning autonomous mode %s", enabled
? "on" : "off");
588 CCECAdapterMessage params
;
589 params
.PushEscaped(enabled
? 1 : 0);
590 return SendCommand(MSGCODE_SET_AUTO_ENABLED
, params
);
593 bool CUSBCECAdapterCommunication::GetSettingAutoEnabled(bool &enabled
)
595 CLockObject
lock(m_mutex
);
596 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting autonomous mode setting");
598 cec_datapacket response
= GetSetting(MSGCODE_GET_AUTO_ENABLED
, 1);
599 if (response
.size
== 1)
601 enabled
= response
[0] == 1;
607 bool CUSBCECAdapterCommunication::SetSettingDeviceType(cec_device_type type
)
609 CLockObject
lock(m_mutex
);
610 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the device type to %1X", (uint8_t)type
);
612 CCECAdapterMessage params
;
613 params
.PushEscaped((uint8_t)type
);
614 return SendCommand(MSGCODE_SET_DEVICE_TYPE
, params
);
617 bool CUSBCECAdapterCommunication::GetSettingDeviceType(cec_device_type
&value
)
619 CLockObject
lock(m_mutex
);
620 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting device type setting");
622 cec_datapacket response
= GetSetting(MSGCODE_GET_DEVICE_TYPE
, 1);
623 if (response
.size
== 1)
625 value
= (cec_device_type
)response
[0];
631 bool CUSBCECAdapterCommunication::SetSettingDefaultLogicalAddress(cec_logical_address address
)
633 CLockObject
lock(m_mutex
);
634 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the default logical address to %1X", address
);
636 CCECAdapterMessage params
;
637 params
.PushEscaped((uint8_t)address
);
638 return SendCommand(MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS
, params
);
641 bool CUSBCECAdapterCommunication::GetSettingDefaultLogicalAddress(cec_logical_address
&address
)
643 CLockObject
lock(m_mutex
);
644 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting default logical address setting");
646 cec_datapacket response
= GetSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS
, 1);
647 if (response
.size
== 1)
649 address
= (cec_logical_address
)response
[0];
655 bool CUSBCECAdapterCommunication::SetSettingLogicalAddressMask(uint16_t iMask
)
657 CLockObject
lock(m_mutex
);
658 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the logical address mask to %2X", iMask
);
660 CCECAdapterMessage params
;
661 params
.PushEscaped(iMask
>> 8);
662 params
.PushEscaped((uint8_t)iMask
);
663 return SendCommand(MSGCODE_SET_LOGICAL_ADDRESS_MASK
, params
);
666 bool CUSBCECAdapterCommunication::GetSettingLogicalAddressMask(uint16_t &iMask
)
668 CLockObject
lock(m_mutex
);
669 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting logical address mask setting");
671 cec_datapacket response
= GetSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK
, 2);
672 if (response
.size
== 2)
674 iMask
= ((uint16_t)response
[0] << 8) | ((uint16_t)response
[1]);
680 bool CUSBCECAdapterCommunication::SetSettingPhysicalAddress(uint16_t iPhysicalAddress
)
682 CLockObject
lock(m_mutex
);
683 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the physical address to %04X", iPhysicalAddress
);
685 CCECAdapterMessage params
;
686 params
.PushEscaped(iPhysicalAddress
>> 8);
687 params
.PushEscaped((uint8_t)iPhysicalAddress
);
688 return SendCommand(MSGCODE_SET_PHYSICAL_ADDRESS
, params
);
691 bool CUSBCECAdapterCommunication::GetSettingPhysicalAddress(uint16_t &iPhysicalAddress
)
693 CLockObject
lock(m_mutex
);
694 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting physical address setting");
696 cec_datapacket response
= GetSetting(MSGCODE_GET_PHYSICAL_ADDRESS
, 2);
697 if (response
.size
== 2)
699 iPhysicalAddress
= ((uint16_t)response
[0] << 8) | ((uint16_t)response
[1]);
705 bool CUSBCECAdapterCommunication::SetSettingCECVersion(cec_version version
)
707 CLockObject
lock(m_mutex
);
708 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the CEC version to %s", CLibCEC::GetInstance()->ToString(version
));
710 CCECAdapterMessage params
;
711 params
.PushEscaped((uint8_t)version
);
712 return SendCommand(MSGCODE_SET_HDMI_VERSION
, params
);
715 bool CUSBCECAdapterCommunication::GetSettingCECVersion(cec_version
&version
)
717 CLockObject
lock(m_mutex
);
718 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting CEC version setting");
720 cec_datapacket response
= GetSetting(MSGCODE_GET_HDMI_VERSION
, 1);
721 if (response
.size
== 1)
723 version
= (cec_version
)response
[0];
729 bool CUSBCECAdapterCommunication::SetSettingOSDName(const char *strOSDName
)
731 CLockObject
lock(m_mutex
);
732 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting the OSD name to %s", strOSDName
);
734 CCECAdapterMessage params
;
735 for (size_t iPtr
= 0; iPtr
< strlen(strOSDName
); iPtr
++)
736 params
.PushEscaped(strOSDName
[iPtr
]);
737 return SendCommand(MSGCODE_SET_OSD_NAME
, params
);
740 bool CUSBCECAdapterCommunication::GetSettingOSDName(CStdString
&strOSDName
)
742 CLockObject
lock(m_mutex
);
743 CLibCEC::AddLog(CEC_LOG_DEBUG
, "requesting OSD name setting");
745 cec_datapacket response
= GetSetting(MSGCODE_GET_OSD_NAME
, 13);
746 if (response
.size
== 0)
750 for (uint8_t iPtr
= 0; iPtr
< response
.size
&& iPtr
< 13; iPtr
++)
751 buf
[iPtr
] = (char)response
[iPtr
];
752 buf
[response
.size
] = 0;
754 strOSDName
.Format("%s", buf
);
758 bool CUSBCECAdapterCommunication::WriteEEPROM(void)
760 CLockObject
lock(m_mutex
);
761 CLibCEC::AddLog(CEC_LOG_DEBUG
, "writing settings in the EEPROM");
763 CCECAdapterMessage params
;
764 return SendCommand(MSGCODE_WRITE_EEPROM
, params
);
767 bool CUSBCECAdapterCommunication::IsOpen(void)
769 return !IsStopped() && m_port
->IsOpen() && IsRunning();
772 bool CUSBCECAdapterCommunication::WaitForAck(CCECAdapterMessage
&message
)
775 bool bTransmitSucceeded(false);
776 uint8_t iPacketsLeft(message
.isTransmission
? message
.Size() / 4 : 1);
778 int64_t iNow
= GetTimeMs();
779 int64_t iTargetTime
= iNow
+ (message
.transmit_timeout
<= 5 ? CEC_DEFAULT_TRANSMIT_WAIT
: message
.transmit_timeout
);
781 while (!bTransmitSucceeded
&& !bError
&& iNow
< iTargetTime
)
784 CCECAdapterMessage msg
;
791 if (msg
.Message() == MSGCODE_FRAME_START
&& msg
.IsACK())
793 if (msg
.Initiator() < 15 && m_bWaitingForAck
[msg
.Initiator()])
794 m_bWaitingForAck
[msg
.Initiator()] = false;
795 else if (msg
.Initiator() < 15)
797 m_processor
->HandlePoll(msg
.Initiator(), msg
.Destination());
798 m_lastDestination
= msg
.Initiator();
804 if (msg
.Message() == MSGCODE_RECEIVE_FAILED
&&
805 m_lastDestination
!= CECDEVICE_UNKNOWN
&&
806 m_processor
->HandleReceiveFailed(m_lastDestination
))
812 bError
= msg
.IsError();
815 message
.reply
= msg
.Message();
816 CLibCEC::AddLog(CEC_LOG_DEBUG
, msg
.ToString());
820 switch(msg
.Message())
822 case MSGCODE_COMMAND_ACCEPTED
:
823 if (iPacketsLeft
> 0)
825 if (!message
.isTransmission
&& iPacketsLeft
== 0)
826 bTransmitSucceeded
= true;
827 CLibCEC::AddLog(CEC_LOG_DEBUG
, "%s - waiting for %d more", msg
.ToString().c_str(), iPacketsLeft
);
829 case MSGCODE_TRANSMIT_SUCCEEDED
:
830 CLibCEC::AddLog(CEC_LOG_DEBUG
, msg
.ToString());
831 bTransmitSucceeded
= (iPacketsLeft
== 0);
832 bError
= !bTransmitSucceeded
;
833 message
.reply
= MSGCODE_TRANSMIT_SUCCEEDED
;
836 // ignore other data while waiting
844 message
.state
= bTransmitSucceeded
&& !bError
?
845 ADAPTER_MESSAGE_STATE_SENT_ACKED
:
846 ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED
;
848 return bTransmitSucceeded
&& !bError
;
851 void CUSBCECAdapterCommunication::AddData(uint8_t *data
, size_t iLen
)
853 CLockObject
lock(m_mutex
);
854 for (size_t iPtr
= 0; iPtr
< iLen
; iPtr
++)
858 if (data
[iPtr
] == MSGSTART
)
861 else if (data
[iPtr
] == MSGSTART
) //we found a msgstart before msgend, this is not right, remove
863 if (m_currentAdapterMessage
.Size() > 0)
864 CLibCEC::AddLog(CEC_LOG_WARNING
, "received MSGSTART before MSGEND, removing previous buffer contents");
865 m_currentAdapterMessage
.Clear();
868 else if (data
[iPtr
] == MSGEND
)
870 CCECAdapterMessage
*newMessage
= new CCECAdapterMessage
;
871 newMessage
->packet
= m_currentAdapterMessage
.packet
;
872 m_inBuffer
.Push(newMessage
);
873 m_currentAdapterMessage
.Clear();
875 m_bNextIsEscaped
= false;
877 m_rcvCondition
.Broadcast();
879 else if (m_bNextIsEscaped
)
881 m_currentAdapterMessage
.PushBack(data
[iPtr
] + (uint8_t)ESCOFFSET
);
882 m_bNextIsEscaped
= false;
884 else if (data
[iPtr
] == MSGESC
)
886 m_bNextIsEscaped
= true;
890 m_currentAdapterMessage
.PushBack(data
[iPtr
]);
895 bool CUSBCECAdapterCommunication::ReadFromDevice(uint32_t iTimeout
, size_t iSize
/* = 256 */)
904 CLockObject
lock(m_mutex
);
905 iBytesRead
= m_port
->Read(buff
, sizeof(uint8_t) * iSize
, iTimeout
);
906 if (iBytesRead
< 0 || iBytesRead
> 256)
908 CLibCEC::AddLog(CEC_LOG_ERROR
, "error reading from serial port: %s", m_port
->GetError().c_str());
912 else if (iBytesRead
> 0)
914 AddData(buff
, iBytesRead
);
917 return iBytesRead
> 0;
920 void CUSBCECAdapterCommunication::SendMessageToAdapter(CCECAdapterMessage
*msg
)
922 CLockObject
adapterLock(m_mutex
);
923 if (!m_port
->IsOpen())
925 CLibCEC::AddLog(CEC_LOG_ERROR
, "error writing to serial port: the connection is closed");
926 msg
->state
= ADAPTER_MESSAGE_STATE_ERROR
;
930 if (msg
->isTransmission
&& (msg
->Size() < 2 || msg
->At(1) != MSGCODE_TRANSMIT_IDLETIME
))
933 SetLineTimeout(msg
->lineTimeout
);
935 SetLineTimeout(msg
->retryTimeout
);
938 if (m_port
->Write(msg
->packet
.data
, msg
->Size()) != (ssize_t
) msg
->Size())
940 CLibCEC::AddLog(CEC_LOG_ERROR
, "error writing to serial port: %s", m_port
->GetError().c_str());
941 msg
->state
= ADAPTER_MESSAGE_STATE_ERROR
;
945 CLibCEC::AddLog(CEC_LOG_DEBUG
, "command sent");
946 msg
->state
= ADAPTER_MESSAGE_STATE_SENT
;
948 if (msg
->expectControllerAck
)
950 if (!WaitForAck(*msg
))
951 CLibCEC::AddLog(CEC_LOG_DEBUG
, "did not receive ack");
957 CStdString
CUSBCECAdapterCommunication::GetPortName(void)
960 strName
= m_port
->GetName();
964 bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode
, CCECAdapterMessage
¶ms
, bool bExpectAck
/* = true */, bool bIsTransmission
/* = false */, bool bSendDirectly
/* = true */, bool bIsRetry
/* = false */)
966 CLockObject
lock(m_mutex
);
968 CCECAdapterMessage
*output
= new CCECAdapterMessage
;
970 output
->PushBack(MSGSTART
);
971 output
->PushEscaped((uint8_t)msgCode
);
972 output
->Append(params
);
973 output
->PushBack(MSGEND
);
974 output
->isTransmission
= bIsTransmission
;
975 output
->expectControllerAck
= bExpectAck
;
978 SendMessageToAdapter(output
);
982 bool bWriteOk
= output
->state
== (output
->expectControllerAck
? ADAPTER_MESSAGE_STATE_SENT_ACKED
: ADAPTER_MESSAGE_STATE_SENT
);
983 cec_adapter_messagecode reply
= output
->reply
;
988 CLibCEC::AddLog(CEC_LOG_ERROR
, "'%s' failed", CCECAdapterMessage::ToString(msgCode
));
990 if (!bIsRetry
&& reply
== MSGCODE_COMMAND_REJECTED
&& msgCode
!= MSGCODE_SET_CONTROLLED
)
992 CLibCEC::AddLog(CEC_LOG_DEBUG
, "setting controlled mode and retrying");
993 if (SetControlledMode(true))
994 return SendCommand(msgCode
, params
, bExpectAck
, bIsTransmission
, bSendDirectly
, true);
1002 cec_datapacket
CUSBCECAdapterCommunication::GetSetting(cec_adapter_messagecode msgCode
, uint8_t iResponseLength
)
1004 cec_datapacket retVal
;
1007 CCECAdapterMessage params
;
1008 if (!SendCommand(msgCode
, params
, false))
1010 CLibCEC::AddLog(CEC_LOG_ERROR
, "%s failed", CCECAdapterMessage::ToString(msgCode
));
1014 ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT
, iResponseLength
+ 3 /* start + msgcode + iResponseLength + end */);
1015 CCECAdapterMessage input
;
1018 if (input
.Message() != msgCode
)
1019 CLibCEC::AddLog(CEC_LOG_ERROR
, "invalid response to %s received (%s)", CCECAdapterMessage::ToString(msgCode
), CCECAdapterMessage::ToString(input
.Message()));
1022 for (uint8_t iPtr
= 1; iPtr
< input
.Size(); iPtr
++)
1023 retVal
.PushBack(input
[iPtr
]);
1028 CLibCEC::AddLog(CEC_LOG_ERROR
, "no response to %s received", CCECAdapterMessage::ToString(msgCode
));