[deb_libcec.git] / src / lib / adapter / USBCECAdapterMessage.cpp

/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "USBCECAdapterMessage.h"
#include "../LibCEC.h"

using namespace CEC;
using namespace PLATFORM;

CCECAdapterMessage::CCECAdapterMessage(void)
{
  Clear();
}

CCECAdapterMessage::CCECAdapterMessage(const cec_command &command, uint8_t iLineTimeout /* = 3 */)
{
  Clear();

  //set ack polarity to high when transmitting to the broadcast address
  //set ack polarity low when transmitting to any other address
  PushBack(MSGSTART);
  PushEscaped(MSGCODE_TRANSMIT_ACK_POLARITY);
  if (command.destination == CECDEVICE_BROADCAST)
    PushEscaped(CEC_TRUE);
  else
    PushEscaped(CEC_FALSE);
  PushBack(MSGEND);

  // add source and destination
  PushBack(MSGSTART);
  PushEscaped(command.opcode_set == 0 ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
  PushBack(((uint8_t)command.initiator << 4) + (uint8_t)command.destination);
  PushBack(MSGEND);

  // add opcode
  if (command.opcode_set == 1)
  {
    PushBack(MSGSTART);
    PushEscaped(command.parameters.IsEmpty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
    PushBack((uint8_t) command.opcode);
    PushBack(MSGEND);

    // add parameters
    for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
    {
      PushBack(MSGSTART);

      if (iPtr == command.parameters.size - 1)
        PushEscaped( MSGCODE_TRANSMIT_EOM);
      else
        PushEscaped(MSGCODE_TRANSMIT);

      PushEscaped(command.parameters[iPtr]);

      PushBack(MSGEND);
    }
  }

  // set timeout
  transmit_timeout = command.transmit_timeout;

  lineTimeout = iLineTimeout;
}

CStdString CCECAdapterMessage::ToString(void) const
{
  CStdString strMsg;
  if (Size() == 0)
  {
    strMsg = "empty message";
  }
  else
  {
    strMsg = ToString(Message());

    switch (Message())
    {
    case MSGCODE_TIMEOUT_ERROR:
    case MSGCODE_HIGH_ERROR:
    case MSGCODE_LOW_ERROR:
      {
        uint32_t iLine = (Size() >= 4) ? (At(2) << 8) | At(3) : 0;
        uint32_t iTime = (Size() >= 8) ? (At(4) << 24) | (At(5) << 16) | (At(6) << 8) | At(7) : 0;
        strMsg.AppendFormat(" line:%u", iLine);
        strMsg.AppendFormat(" time:%u", iTime);
      }
      break;
    case MSGCODE_FRAME_START:
      if (Size() >= 3)
        strMsg.AppendFormat(" initiator:%1x destination:%1x ack:%s %s", Initiator(), Destination(), IsACK() ? "high" : "low", IsEOM() ? "eom" : "");
      break;
    case MSGCODE_FRAME_DATA:
      if (Size() >= 3)
        strMsg.AppendFormat(" %02x %s", At(2), IsEOM() ? "eom" : "");
      break;
    default:
      for (uint8_t iPtr = 2; iPtr < Size(); iPtr++)
        if (At(iPtr) != MSGEND)
          strMsg.AppendFormat(" %02x", At(iPtr));
      break;
    }
  }

  return strMsg;
}

const char *CCECAdapterMessage::ToString(cec_adapter_messagecode msgCode)
{
  switch (msgCode)
  {
  case MSGCODE_NOTHING:
    return "NOTHING";
  case MSGCODE_PING:
    return "PING";
  case MSGCODE_TIMEOUT_ERROR:
    return "TIMEOUT";
  case MSGCODE_HIGH_ERROR:
    return "HIGH_ERROR";
  case MSGCODE_LOW_ERROR:
    return "LOW_ERROR";
  case MSGCODE_FRAME_START:
    return "FRAME_START";
  case MSGCODE_FRAME_DATA:
    return "FRAME_DATA";
  case MSGCODE_RECEIVE_FAILED:
    return "RECEIVE_FAILED";
  case MSGCODE_COMMAND_ACCEPTED:
    return "COMMAND_ACCEPTED";
  case MSGCODE_COMMAND_REJECTED:
    return "COMMAND_REJECTED";
  case MSGCODE_SET_ACK_MASK:
    return "SET_ACK_MASK";
  case MSGCODE_TRANSMIT:
    return "TRANSMIT";
  case MSGCODE_TRANSMIT_EOM:
    return "TRANSMIT_EOM";
  case MSGCODE_TRANSMIT_IDLETIME:
    return "TRANSMIT_IDLETIME";
  case MSGCODE_TRANSMIT_ACK_POLARITY:
    return "TRANSMIT_ACK_POLARITY";
  case MSGCODE_TRANSMIT_LINE_TIMEOUT:
    return "TRANSMIT_LINE_TIMEOUT";
  case MSGCODE_TRANSMIT_SUCCEEDED:
    return "TRANSMIT_SUCCEEDED";
  case MSGCODE_TRANSMIT_FAILED_LINE:
    return "TRANSMIT_FAILED_LINE";
  case MSGCODE_TRANSMIT_FAILED_ACK:
    return "TRANSMIT_FAILED_ACK";
  case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
    return "TRANSMIT_FAILED_TIMEOUT_DATA";
  case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
    return "TRANSMIT_FAILED_TIMEOUT_LINE";
  case MSGCODE_FIRMWARE_VERSION:
    return "FIRMWARE_VERSION";
  case MSGCODE_START_BOOTLOADER:
    return "START_BOOTLOADER";
  case MSGCODE_FRAME_EOM:
    return "FRAME_EOM";
  case MSGCODE_FRAME_ACK:
    return "FRAME_ACK";
  case MSGCODE_GET_BUILDDATE:
    return "GET_BUILDDATE";
  case MSGCODE_SET_CONTROLLED:
    return "SET_CONTROLLED";
  case MSGCODE_GET_AUTO_ENABLED:
    return "GET_AUTO_ENABLED";
  case MSGCODE_SET_AUTO_ENABLED:
    return "SET_AUTO_ENABLED";
  case MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS:
    return "GET_DEFAULT_LOGICAL_ADDRESS";
  case MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS:
    return "SET_DEFAULT_LOGICAL_ADDRESS";
  case MSGCODE_GET_LOGICAL_ADDRESS_MASK:
    return "GET_LOGICAL_ADDRESS_MASK";
  case MSGCODE_SET_LOGICAL_ADDRESS_MASK:
    return "SET_LOGICAL_ADDRESS_MASK";
  case MSGCODE_GET_PHYSICAL_ADDRESS:
    return "GET_PHYSICAL_ADDRESS";
  case MSGCODE_SET_PHYSICAL_ADDRESS:
    return "SET_PHYSICAL_ADDRESS";
  case MSGCODE_GET_DEVICE_TYPE:
    return "GET_DEVICE_TYPE";
  case MSGCODE_SET_DEVICE_TYPE:
    return "SET_DEVICE_TYPE";
  case MSGCODE_GET_HDMI_VERSION:
    return "GET_HDMI_VERSION";
  case MSGCODE_SET_HDMI_VERSION:
    return "SET_HDMI_VERSION";
  case MSGCODE_GET_OSD_NAME:
    return "GET_OSD_NAME";
  case MSGCODE_SET_OSD_NAME:
    return "SET_OSD_NAME";
  case MSGCODE_WRITE_EEPROM:
    return "WRITE_EEPROM";
  default:
    break;
  }

  return "unknown";
}

uint8_t CCECAdapterMessage::operator[](uint8_t pos) const
{
  return pos < packet.size ? packet[pos] : 0;
}

uint8_t CCECAdapterMessage::At(uint8_t pos) const
{
  return pos < packet.size ? packet[pos] : 0;
}

uint8_t CCECAdapterMessage::Size(void) const
{
  return packet.size;
}

bool CCECAdapterMessage::IsEmpty(void) const
{
  return packet.IsEmpty();
}

void CCECAdapterMessage::Clear(void)
{
  state               = ADAPTER_MESSAGE_STATE_UNKNOWN;
  transmit_timeout    = CEC_DEFAULT_TRANSMIT_TIMEOUT;
  response.Clear();
  packet.Clear();
  lineTimeout         = 3;
  bNextByteIsEscaped  = false;
}

void CCECAdapterMessage::Shift(uint8_t iShiftBy)
{
  packet.Shift(iShiftBy);
}

void CCECAdapterMessage::Append(CCECAdapterMessage &data)
{
  Append(data.packet);
}

void CCECAdapterMessage::Append(cec_datapacket &data)
{
  for (uint8_t iPtr = 0; iPtr < data.size; iPtr++)
    PushBack(data[iPtr]);
}

void CCECAdapterMessage::PushBack(uint8_t byte)
{
  packet.PushBack(byte);
}

void CCECAdapterMessage::PushEscaped(uint8_t byte)
{
  if (byte >= MSGESC)
  {
    PushBack(MSGESC);
    PushBack(byte - ESCOFFSET);
  }
  else
  {
    PushBack(byte);
  }
}

bool CCECAdapterMessage::PushReceivedByte(uint8_t byte)
{
  if (byte == MSGSTART)
  {
    if (HasStartMessage())
    {
      //TODO CLibCEC::AddLog(CEC_LOG_WARNING, "received MSGSTART before MSGEND, removing previous buffer contents");
      Clear();
    }
    PushBack(byte);
  }
  else
  {
    if (bNextByteIsEscaped)
    {
      PushBack(byte + (uint8_t)ESCOFFSET);
      bNextByteIsEscaped = false;
    }
    else if (byte == MSGESC)
      bNextByteIsEscaped = true;
    else
      PushBack(byte);
  }

  return byte == MSGEND;
}

cec_adapter_messagecode CCECAdapterMessage::Message(void) const
{
  return packet.size >= 2 ?
      (cec_adapter_messagecode) (packet.At(1) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK)) :
      MSGCODE_NOTHING;
}

bool CCECAdapterMessage::IsTranmission(void) const
{
  cec_adapter_messagecode msgCode = Message();
  return msgCode == MSGCODE_FRAME_ACK ||
      msgCode == MSGCODE_FRAME_DATA ||
      msgCode == MSGCODE_FRAME_EOM ||
      msgCode == MSGCODE_FRAME_START ||
      msgCode == MSGCODE_HIGH_ERROR ||
      msgCode == MSGCODE_LOW_ERROR ||
      msgCode == MSGCODE_RECEIVE_FAILED ||
      msgCode == MSGCODE_TRANSMIT_ACK_POLARITY ||
      msgCode == MSGCODE_TRANSMIT_EOM ||
      msgCode == MSGCODE_TRANSMIT_FAILED_ACK ||
      msgCode == MSGCODE_TRANSMIT_FAILED_LINE ||
      msgCode == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
      msgCode == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE ||
      msgCode == MSGCODE_TRANSMIT_LINE_TIMEOUT ||
      msgCode == MSGCODE_TRANSMIT_SUCCEEDED;
}

bool CCECAdapterMessage::IsEOM(void) const
{
  return packet.size >= 2 ?
      (packet.At(1) & MSGCODE_FRAME_EOM) != 0 :
      false;
}

bool CCECAdapterMessage::IsACK(void) const
{
  return packet.size >= 2 ?
      (packet.At(1) & MSGCODE_FRAME_ACK) != 0 :
      false;
}

bool CCECAdapterMessage::IsError(void) const
{
  cec_adapter_messagecode code = Message();
  return (code == MSGCODE_HIGH_ERROR ||
          code == MSGCODE_LOW_ERROR ||
          code == MSGCODE_RECEIVE_FAILED ||
          code == MSGCODE_COMMAND_REJECTED ||
          code == MSGCODE_TRANSMIT_LINE_TIMEOUT ||
          code == MSGCODE_TRANSMIT_FAILED_LINE ||
          code == MSGCODE_TRANSMIT_FAILED_ACK ||
          code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
          code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE);
}

bool CCECAdapterMessage::NeedsRetry(void) const
{
  return Reply() == MSGCODE_NOTHING ||
         Reply() == MSGCODE_RECEIVE_FAILED ||
         Reply() == MSGCODE_TIMEOUT_ERROR ||
         Reply() == MSGCODE_TRANSMIT_FAILED_LINE ||
         Reply() == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
         Reply() == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE ||
         Reply() == MSGCODE_TRANSMIT_LINE_TIMEOUT;
}

cec_logical_address CCECAdapterMessage::Initiator(void) const
{
  return packet.size >= 3 ?
      (cec_logical_address) (packet.At(2) >> 4) :
      CECDEVICE_UNKNOWN;
}

cec_logical_address CCECAdapterMessage::Destination(void) const
{
  return packet.size >= 3 ?
      (cec_logical_address) (packet.At(2) & 0xF) :
      CECDEVICE_UNKNOWN;
}

bool CCECAdapterMessage::HasStartMessage(void) const
{
  return packet.size >= 1 && packet.At(0) == MSGSTART;
}

bool CCECAdapterMessage::PushToCecCommand(cec_command &command) const
{
  // empty message
  if (IsEmpty())
    return false;

  cec_adapter_messagecode msgCode = Message();
  if (msgCode == MSGCODE_FRAME_START)
  {
    command.Clear();
    if (Size() >= 3)
    {
      command.initiator   = Initiator();
      command.destination = Destination();
      command.ack         = IsACK();
      command.eom         = IsEOM();
    }
    return IsEOM() && !IsError();
  }
  else if (msgCode == MSGCODE_FRAME_DATA)
  {
    if (Size() >= 3)
    {
      command.PushBack(At(2));
      command.eom = IsEOM();
    }
    return IsEOM() && !IsError();
  }

  return false;
}

cec_adapter_messagecode CCECAdapterMessage::Reply(void) const
{
  return response.size >= 2 ?
      (cec_adapter_messagecode) (response.At(1) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK)) :
      MSGCODE_NOTHING;
}
Commit	Line	Data
a75e3a5a LOK	1	/*
	2	* This file is part of the libCEC(R) library.
	3	*
	4	* libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
	5	* libCEC(R) is an original work, containing original code.
	6	*
	7	* libCEC(R) is a trademark of Pulse-Eight Limited.
	8	*
	9	* This program is dual-licensed; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	22	*
	23	*
	24	* Alternatively, you can license this library under a commercial license,
	25	* please contact Pulse-Eight Licensing for more information.
	26	*
	27	* For more information contact:
	28	* Pulse-Eight Licensing <license@pulse-eight.com>
	29	* http://www.pulse-eight.com/
	30	* http://www.pulse-eight.net/
	31	*/
	32
	33	#include "USBCECAdapterMessage.h"
	34	#include "../LibCEC.h"
	35
	36	using namespace CEC;
	37	using namespace PLATFORM;
	38
	39	CCECAdapterMessage::CCECAdapterMessage(void)
	40	{
	41	Clear();
	42	}
	43
33dd87a9	44	CCECAdapterMessage::CCECAdapterMessage(const cec_command &command, uint8_t iLineTimeout /* = 3 */)
a75e3a5a LOK	45	{
	46	Clear();
	47
	48	//set ack polarity to high when transmitting to the broadcast address
	49	//set ack polarity low when transmitting to any other address
	50	PushBack(MSGSTART);
	51	PushEscaped(MSGCODE_TRANSMIT_ACK_POLARITY);
	52	if (command.destination == CECDEVICE_BROADCAST)
	53	PushEscaped(CEC_TRUE);
	54	else
	55	PushEscaped(CEC_FALSE);
	56	PushBack(MSGEND);
	57
	58	// add source and destination
	59	PushBack(MSGSTART);
	60	PushEscaped(command.opcode_set == 0 ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
	61	PushBack(((uint8_t)command.initiator << 4) + (uint8_t)command.destination);
	62	PushBack(MSGEND);
	63
	64	// add opcode
	65	if (command.opcode_set == 1)
	66	{
	67	PushBack(MSGSTART);
	68	PushEscaped(command.parameters.IsEmpty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
	69	PushBack((uint8_t) command.opcode);
	70	PushBack(MSGEND);
	71
	72	// add parameters
	73	for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
	74	{
	75	PushBack(MSGSTART);
	76
	77	if (iPtr == command.parameters.size - 1)
	78	PushEscaped( MSGCODE_TRANSMIT_EOM);
	79	else
	80	PushEscaped(MSGCODE_TRANSMIT);
	81
	82	PushEscaped(command.parameters[iPtr]);
	83
	84	PushBack(MSGEND);
	85	}
	86	}
	87
	88	// set timeout
	89	transmit_timeout = command.transmit_timeout;
	90
a75e3a5a	91	lineTimeout = iLineTimeout;
a75e3a5a LOK	92	}
	93
	94	CStdString CCECAdapterMessage::ToString(void) const
	95	{
	96	CStdString strMsg;
	97	if (Size() == 0)
	98	{
	99	strMsg = "empty message";
	100	}
	101	else
	102	{
	103	strMsg = ToString(Message());
	104
	105	switch (Message())
	106	{
	107	case MSGCODE_TIMEOUT_ERROR:
	108	case MSGCODE_HIGH_ERROR:
	109	case MSGCODE_LOW_ERROR:
	110	{
	111	uint32_t iLine = (Size() >= 4) ? (At(2) << 8) \| At(3) : 0;
	112	uint32_t iTime = (Size() >= 8) ? (At(4) << 24) \| (At(5) << 16) \| (At(6) << 8) \| At(7) : 0;
	113	strMsg.AppendFormat(" line:%u", iLine);
	114	strMsg.AppendFormat(" time:%u", iTime);
	115	}
	116	break;
	117	case MSGCODE_FRAME_START:
	118	if (Size() >= 3)
	119	strMsg.AppendFormat(" initiator:%1x destination:%1x ack:%s %s", Initiator(), Destination(), IsACK() ? "high" : "low", IsEOM() ? "eom" : "");
	120	break;
	121	case MSGCODE_FRAME_DATA:
	122	if (Size() >= 3)
	123	strMsg.AppendFormat(" %02x %s", At(2), IsEOM() ? "eom" : "");
	124	break;
	125	default:
95acc41b LOK	126	for (uint8_t iPtr = 2; iPtr < Size(); iPtr++)
	127	if (At(iPtr) != MSGEND)
	128	strMsg.AppendFormat(" %02x", At(iPtr));
a75e3a5a LOK	129	break;
	130	}
	131	}
	132
	133	return strMsg;
	134	}
	135
	136	const char *CCECAdapterMessage::ToString(cec_adapter_messagecode msgCode)
	137	{
	138	switch (msgCode)
	139	{
	140	case MSGCODE_NOTHING:
	141	return "NOTHING";
	142	case MSGCODE_PING:
	143	return "PING";
	144	case MSGCODE_TIMEOUT_ERROR:
	145	return "TIMEOUT";
	146	case MSGCODE_HIGH_ERROR:
	147	return "HIGH_ERROR";
	148	case MSGCODE_LOW_ERROR:
	149	return "LOW_ERROR";
	150	case MSGCODE_FRAME_START:
	151	return "FRAME_START";
	152	case MSGCODE_FRAME_DATA:
	153	return "FRAME_DATA";
	154	case MSGCODE_RECEIVE_FAILED:
	155	return "RECEIVE_FAILED";
	156	case MSGCODE_COMMAND_ACCEPTED:
	157	return "COMMAND_ACCEPTED";
	158	case MSGCODE_COMMAND_REJECTED:
	159	return "COMMAND_REJECTED";
	160	case MSGCODE_SET_ACK_MASK:
	161	return "SET_ACK_MASK";
	162	case MSGCODE_TRANSMIT:
	163	return "TRANSMIT";
	164	case MSGCODE_TRANSMIT_EOM:
	165	return "TRANSMIT_EOM";
	166	case MSGCODE_TRANSMIT_IDLETIME:
	167	return "TRANSMIT_IDLETIME";
	168	case MSGCODE_TRANSMIT_ACK_POLARITY:
	169	return "TRANSMIT_ACK_POLARITY";
	170	case MSGCODE_TRANSMIT_LINE_TIMEOUT:
	171	return "TRANSMIT_LINE_TIMEOUT";
	172	case MSGCODE_TRANSMIT_SUCCEEDED:
	173	return "TRANSMIT_SUCCEEDED";
	174	case MSGCODE_TRANSMIT_FAILED_LINE:
	175	return "TRANSMIT_FAILED_LINE";
	176	case MSGCODE_TRANSMIT_FAILED_ACK:
	177	return "TRANSMIT_FAILED_ACK";
	178	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
	179	return "TRANSMIT_FAILED_TIMEOUT_DATA";
	180	case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
	181	return "TRANSMIT_FAILED_TIMEOUT_LINE";
	182	case MSGCODE_FIRMWARE_VERSION:
	183	return "FIRMWARE_VERSION";
	184	case MSGCODE_START_BOOTLOADER:
	185	return "START_BOOTLOADER";
	186	case MSGCODE_FRAME_EOM:
	187	return "FRAME_EOM";
	188	case MSGCODE_FRAME_ACK:
	189	return "FRAME_ACK";
b2f56d35 LOK	190	case MSGCODE_GET_BUILDDATE:
b2f56d35 LOK	191	return "GET_BUILDDATE";
a75e3a5a LOK	192	case MSGCODE_SET_CONTROLLED:
	193	return "SET_CONTROLLED";
	194	case MSGCODE_GET_AUTO_ENABLED:
	195	return "GET_AUTO_ENABLED";
	196	case MSGCODE_SET_AUTO_ENABLED:
	197	return "SET_AUTO_ENABLED";
	198	case MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS:
	199	return "GET_DEFAULT_LOGICAL_ADDRESS";
	200	case MSGCODE_SET_DEFAULT_LOGICAL_ADDRESS:
	201	return "SET_DEFAULT_LOGICAL_ADDRESS";
	202	case MSGCODE_GET_LOGICAL_ADDRESS_MASK:
	203	return "GET_LOGICAL_ADDRESS_MASK";
	204	case MSGCODE_SET_LOGICAL_ADDRESS_MASK:
	205	return "SET_LOGICAL_ADDRESS_MASK";
	206	case MSGCODE_GET_PHYSICAL_ADDRESS:
	207	return "GET_PHYSICAL_ADDRESS";
	208	case MSGCODE_SET_PHYSICAL_ADDRESS:
	209	return "SET_PHYSICAL_ADDRESS";
	210	case MSGCODE_GET_DEVICE_TYPE:
	211	return "GET_DEVICE_TYPE";
	212	case MSGCODE_SET_DEVICE_TYPE:
	213	return "SET_DEVICE_TYPE";
	214	case MSGCODE_GET_HDMI_VERSION:
	215	return "GET_HDMI_VERSION";
	216	case MSGCODE_SET_HDMI_VERSION:
	217	return "SET_HDMI_VERSION";
	218	case MSGCODE_GET_OSD_NAME:
	219	return "GET_OSD_NAME";
	220	case MSGCODE_SET_OSD_NAME:
	221	return "SET_OSD_NAME";
	222	case MSGCODE_WRITE_EEPROM:
	223	return "WRITE_EEPROM";
b2f56d35 LOK	224	default:
b2f56d35 LOK	225	break;
a75e3a5a LOK	226	}
	227
	228	return "unknown";
	229	}
	230
	231	uint8_t CCECAdapterMessage::operator[](uint8_t pos) const
	232	{
	233	return pos < packet.size ? packet[pos] : 0;
	234	}
	235
	236	uint8_t CCECAdapterMessage::At(uint8_t pos) const
	237	{
	238	return pos < packet.size ? packet[pos] : 0;
	239	}
	240
	241	uint8_t CCECAdapterMessage::Size(void) const
	242	{
	243	return packet.size;
	244	}
	245
	246	bool CCECAdapterMessage::IsEmpty(void) const
	247	{
	248	return packet.IsEmpty();
	249	}
	250
	251	void CCECAdapterMessage::Clear(void)
	252	{
	253	state = ADAPTER_MESSAGE_STATE_UNKNOWN;
	254	transmit_timeout = CEC_DEFAULT_TRANSMIT_TIMEOUT;
	255	response.Clear();
	256	packet.Clear();
a75e3a5a	257	lineTimeout = 3;
a75e3a5a LOK	258	bNextByteIsEscaped = false;
	259	}
	260
	261	void CCECAdapterMessage::Shift(uint8_t iShiftBy)
	262	{
	263	packet.Shift(iShiftBy);
	264	}
	265
	266	void CCECAdapterMessage::Append(CCECAdapterMessage &data)
	267	{
	268	Append(data.packet);
	269	}
	270
	271	void CCECAdapterMessage::Append(cec_datapacket &data)
	272	{
	273	for (uint8_t iPtr = 0; iPtr < data.size; iPtr++)
	274	PushBack(data[iPtr]);
	275	}
	276
	277	void CCECAdapterMessage::PushBack(uint8_t byte)
	278	{
	279	packet.PushBack(byte);
	280	}
	281
	282	void CCECAdapterMessage::PushEscaped(uint8_t byte)
	283	{
	284	if (byte >= MSGESC)
	285	{
	286	PushBack(MSGESC);
	287	PushBack(byte - ESCOFFSET);
	288	}
	289	else
	290	{
	291	PushBack(byte);
	292	}
	293	}
	294
	295	bool CCECAdapterMessage::PushReceivedByte(uint8_t byte)
	296	{
	297	if (byte == MSGSTART)
	298	{
	299	if (HasStartMessage())
	300	{
004b8382	301	//TODO CLibCEC::AddLog(CEC_LOG_WARNING, "received MSGSTART before MSGEND, removing previous buffer contents");
a75e3a5a LOK	302	Clear();
	303	}
	304	PushBack(byte);
	305	}
	306	else
	307	{
	308	if (bNextByteIsEscaped)
	309	{
	310	PushBack(byte + (uint8_t)ESCOFFSET);
	311	bNextByteIsEscaped = false;
	312	}
	313	else if (byte == MSGESC)
	314	bNextByteIsEscaped = true;
	315	else
	316	PushBack(byte);
	317	}
	318
	319	return byte == MSGEND;
	320	}
	321
	322	cec_adapter_messagecode CCECAdapterMessage::Message(void) const
	323	{
	324	return packet.size >= 2 ?
	325	(cec_adapter_messagecode) (packet.At(1) & ~(MSGCODE_FRAME_EOM \| MSGCODE_FRAME_ACK)) :
	326	MSGCODE_NOTHING;
	327	}
	328
	329	bool CCECAdapterMessage::IsTranmission(void) const
	330	{
	331	cec_adapter_messagecode msgCode = Message();
	332	return msgCode == MSGCODE_FRAME_ACK \|\|
	333	msgCode == MSGCODE_FRAME_DATA \|\|
	334	msgCode == MSGCODE_FRAME_EOM \|\|
	335	msgCode == MSGCODE_FRAME_START \|\|
	336	msgCode == MSGCODE_HIGH_ERROR \|\|
	337	msgCode == MSGCODE_LOW_ERROR \|\|
	338	msgCode == MSGCODE_RECEIVE_FAILED \|\|
	339	msgCode == MSGCODE_TRANSMIT_ACK_POLARITY \|\|
	340	msgCode == MSGCODE_TRANSMIT_EOM \|\|
	341	msgCode == MSGCODE_TRANSMIT_FAILED_ACK \|\|
	342	msgCode == MSGCODE_TRANSMIT_FAILED_LINE \|\|
	343	msgCode == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA \|\|
	344	msgCode == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE \|\|
	345	msgCode == MSGCODE_TRANSMIT_LINE_TIMEOUT \|\|
	346	msgCode == MSGCODE_TRANSMIT_SUCCEEDED;
	347	}
	348
	349	bool CCECAdapterMessage::IsEOM(void) const
	350	{
	351	return packet.size >= 2 ?
	352	(packet.At(1) & MSGCODE_FRAME_EOM) != 0 :
	353	false;
	354	}
	355
	356	bool CCECAdapterMessage::IsACK(void) const
	357	{
	358	return packet.size >= 2 ?
	359	(packet.At(1) & MSGCODE_FRAME_ACK) != 0 :
	360	false;
	361	}
	362
	363	bool CCECAdapterMessage::IsError(void) const
	364	{
	365	cec_adapter_messagecode code = Message();
366	return (code == MSGCODE_HIGH_ERROR \|\|
367	code == MSGCODE_LOW_ERROR \|\|
368	code == MSGCODE_RECEIVE_FAILED \|\|
369	code == MSGCODE_COMMAND_REJECTED \|\|
370	code == MSGCODE_TRANSMIT_LINE_TIMEOUT \|\|
371	code == MSGCODE_TRANSMIT_FAILED_LINE \|\|
372	code == MSGCODE_TRANSMIT_FAILED_ACK \|\|
373	code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA \|\|
374	code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE);
375	}
376
377	bool CCECAdapterMessage::NeedsRetry(void) const
378	{
379	return Reply() == MSGCODE_NOTHING \|\|
380	Reply() == MSGCODE_RECEIVE_FAILED \|\|
381	Reply() == MSGCODE_TIMEOUT_ERROR \|\|
382	Reply() == MSGCODE_TRANSMIT_FAILED_LINE \|\|
383	Reply() == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA \|\|
384	Reply() == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE \|\|
385	Reply() == MSGCODE_TRANSMIT_LINE_TIMEOUT;
386	}
387
388	cec_logical_address CCECAdapterMessage::Initiator(void) const
389	{
390	return packet.size >= 3 ?
391	(cec_logical_address) (packet.At(2) >> 4) :
392	CECDEVICE_UNKNOWN;
393	}
394
395	cec_logical_address CCECAdapterMessage::Destination(void) const
396	{
397	return packet.size >= 3 ?
398	(cec_logical_address) (packet.At(2) & 0xF) :
399	CECDEVICE_UNKNOWN;
400	}
401
402	bool CCECAdapterMessage::HasStartMessage(void) const
403	{
404	return packet.size >= 1 && packet.At(0) == MSGSTART;
405	}
406
407	bool CCECAdapterMessage::PushToCecCommand(cec_command &command) const
408	{
409	// empty message
410	if (IsEmpty())
411	return false;
412
413	cec_adapter_messagecode msgCode = Message();
414	if (msgCode == MSGCODE_FRAME_START)
415	{
416	command.Clear();
417	if (Size() >= 3)
418	{
419	command.initiator = Initiator();
420	command.destination = Destination();
421	command.ack = IsACK();
422	command.eom = IsEOM();
423	}
424	return IsEOM() && !IsError();
425	}
426	else if (msgCode == MSGCODE_FRAME_DATA)
427	{
428	if (Size() >= 3)
429	{
430	command.PushBack(At(2));
431	command.eom = IsEOM();
432	}
433	return IsEOM() && !IsError();
434	}
435
436	return false;
437	}
438
439	cec_adapter_messagecode CCECAdapterMessage::Reply(void) const
440	{
441	return response.size >= 2 ?
442	(cec_adapter_messagecode) (response.At(1) & ~(MSGCODE_FRAME_EOM \| MSGCODE_FRAME_ACK)) :
443	MSGCODE_NOTHING;
444	}