X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2FAdapterCommunication.cpp;h=2286a01e57080e8c12663e7b6c5a48d0d628f1c0;hb=e0407d3d1acb140e344b95c248259474a44ad89b;hp=003d9876b9b52cc9a621d697694bb40d4462e1e2;hpb=b9abf9202e8d5971805dd63600990673227034a3;p=deb_libcec.git

diff --git a/src/lib/AdapterCommunication.cpp b/src/lib/AdapterCommunication.cpp
index 003d987..2286a01 100644
--- a/src/lib/AdapterCommunication.cpp
+++ b/src/lib/AdapterCommunication.cpp
@@ -40,6 +40,201 @@
 using namespace std;
 using namespace CEC;
 
+CCECAdapterMessage::CCECAdapterMessage(const cec_command &command)
+{
+  clear();
+
+  //set ack polarity to high when transmitting to the broadcast address
+  //set ack polarity low when transmitting to any other address
+  push_back(MSGSTART);
+  push_escaped(MSGCODE_TRANSMIT_ACK_POLARITY);
+  if (command.destination == CECDEVICE_BROADCAST)
+    push_escaped(CEC_TRUE);
+  else
+    push_escaped(CEC_FALSE);
+  push_back(MSGEND);
+
+  // add source and destination
+  push_back(MSGSTART);
+  push_escaped(MSGCODE_TRANSMIT);
+  push_back(((uint8_t)command.initiator << 4) + (uint8_t)command.destination);
+  push_back(MSGEND);
+
+  // add opcode
+  push_back(MSGSTART);
+  push_escaped(command.parameters.empty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
+  push_back((uint8_t) command.opcode);
+  push_back(MSGEND);
+
+  // add parameters
+  for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
+  {
+    push_back(MSGSTART);
+
+    if (iPtr == command.parameters.size - 1)
+      push_escaped( MSGCODE_TRANSMIT_EOM);
+    else
+      push_escaped(MSGCODE_TRANSMIT);
+
+    push_escaped(command.parameters[iPtr]);
+
+    push_back(MSGEND);
+  }
+
+  // set timeout
+  transmit_timeout = command.transmit_timeout;
+}
+
+CCECAdapterMessage &CCECAdapterMessage::operator =(const CCECAdapterMessage &msg)
+{
+  packet = msg.packet;
+  state  = msg.state;
+  return *this;
+}
+
+CStdString CCECAdapterMessage::MessageCodeAsString(void) const
+{
+  CStdString strMsg;
+  switch (message())
+  {
+  case MSGCODE_NOTHING:
+    strMsg = "NOTHING";
+    break;
+  case MSGCODE_PING:
+    strMsg = "PING";
+    break;
+  case MSGCODE_TIMEOUT_ERROR:
+    strMsg = "TIMEOUT";
+    break;
+  case MSGCODE_HIGH_ERROR:
+    strMsg = "HIGH_ERROR";
+    break;
+  case MSGCODE_LOW_ERROR:
+    strMsg = "LOW_ERROR";
+    break;
+  case MSGCODE_FRAME_START:
+    strMsg = "FRAME_START";
+    break;
+  case MSGCODE_FRAME_DATA:
+    strMsg = "FRAME_DATA";
+    break;
+  case MSGCODE_RECEIVE_FAILED:
+    strMsg = "RECEIVE_FAILED";
+    break;
+  case MSGCODE_COMMAND_ACCEPTED:
+    strMsg = "COMMAND_ACCEPTED";
+    break;
+  case MSGCODE_COMMAND_REJECTED:
+    strMsg = "COMMAND_REJECTED";
+    break;
+  case MSGCODE_SET_ACK_MASK:
+    strMsg = "SET_ACK_MASK";
+    break;
+  case MSGCODE_TRANSMIT:
+    strMsg = "TRANSMIT";
+    break;
+  case MSGCODE_TRANSMIT_EOM:
+    strMsg = "TRANSMIT_EOM";
+    break;
+  case MSGCODE_TRANSMIT_IDLETIME:
+    strMsg = "TRANSMIT_IDLETIME";
+    break;
+  case MSGCODE_TRANSMIT_ACK_POLARITY:
+    strMsg = "TRANSMIT_ACK_POLARITY";
+    break;
+  case MSGCODE_TRANSMIT_LINE_TIMEOUT:
+    strMsg = "TRANSMIT_LINE_TIMEOUT";
+    break;
+  case MSGCODE_TRANSMIT_SUCCEEDED:
+    strMsg = "TRANSMIT_SUCCEEDED";
+    break;
+  case MSGCODE_TRANSMIT_FAILED_LINE:
+    strMsg = "TRANSMIT_FAILED_LINE";
+    break;
+  case MSGCODE_TRANSMIT_FAILED_ACK:
+    strMsg = "TRANSMIT_FAILED_ACK";
+    break;
+  case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA:
+    strMsg = "TRANSMIT_FAILED_TIMEOUT_DATA";
+    break;
+  case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE:
+    strMsg = "TRANSMIT_FAILED_TIMEOUT_LINE";
+    break;
+  case MSGCODE_FIRMWARE_VERSION:
+    strMsg = "FIRMWARE_VERSION";
+    break;
+  case MSGCODE_START_BOOTLOADER:
+    strMsg = "START_BOOTLOADER";
+    break;
+  case MSGCODE_FRAME_EOM:
+    strMsg = "FRAME_EOM";
+    break;
+  case MSGCODE_FRAME_ACK:
+    strMsg = "FRAME_ACK";
+    break;
+  }
+
+  return strMsg;
+}
+
+CStdString CCECAdapterMessage::ToString(void) const
+{
+  CStdString strMsg;
+  strMsg = MessageCodeAsString();
+
+  switch (message())
+  {
+  case MSGCODE_TIMEOUT_ERROR:
+  case MSGCODE_HIGH_ERROR:
+  case MSGCODE_LOW_ERROR:
+    {
+      int iLine      = (size() >= 3) ? (at(1) << 8) | at(2) : 0;
+      uint32_t iTime = (size() >= 7) ? (at(3) << 24) | (at(4) << 16) | (at(5) << 8) | at(6) : 0;
+      strMsg.AppendFormat(" line:%i", iLine);
+      strMsg.AppendFormat(" time:%u", iTime);
+    }
+    break;
+  case MSGCODE_FRAME_START:
+    if (size() >= 2)
+      strMsg.AppendFormat(" initiator:%1x destination:%1x ack:%s %s", initiator(), destination(), ack() ? "high" : "low", eom() ? "eom" : "");
+    break;
+  case MSGCODE_FRAME_DATA:
+    if (size() >= 2)
+      strMsg.AppendFormat(" %02x %s", at(1), eom() ? "eom" : "");
+    break;
+  default:
+    break;
+  }
+
+  return strMsg;
+}
+
+bool CCECAdapterMessage::is_error(void) const
+{
+  cec_adapter_messagecode code = message();
+  return (code == MSGCODE_TIMEOUT_ERROR ||
+    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);
+}
+
+void CCECAdapterMessage::push_escaped(int16_t byte)
+{
+  if (byte >= MSGESC && byte != MSGSTART)
+  {
+    push_back(MSGESC);
+    push_back((uint8_t) (byte - ESCOFFSET));
+  }
+  else
+    push_back((uint8_t) byte);
+}
+
 CAdapterCommunication::CAdapterCommunication(CLibCEC *controller) :
     m_port(NULL),
     m_controller(controller)
@@ -60,6 +255,7 @@ CAdapterCommunication::~CAdapterCommunication(void)
 
 bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint32_t iTimeoutMs /* = 10000 */)
 {
+  CLockObject lock(&m_mutex);
   if (!m_port)
   {
     m_controller->AddLog(CEC_LOG_ERROR, "port is NULL");
@@ -87,7 +283,8 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38
 
   if (CreateThread())
   {
-    m_controller->AddLog(CEC_LOG_DEBUG, "communication thread created");
+    m_startCondition.Wait(&m_mutex);
+    m_controller->AddLog(CEC_LOG_DEBUG, "communication thread started");
     return true;
   }
   else
@@ -100,18 +297,23 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38
 
 void CAdapterCommunication::Close(void)
 {
-  StopThread();
-
+  CLockObject lock(&m_mutex);
+  m_startCondition.Broadcast();
   m_rcvCondition.Broadcast();
+  StopThread();
 }
 
 void *CAdapterCommunication::Process(void)
 {
-  m_controller->AddLog(CEC_LOG_DEBUG, "communication thread started");
+  {
+    CLockObject lock(&m_mutex);
+    m_startCondition.Signal();
+  }
 
   while (!IsStopped())
   {
     ReadFromDevice(500);
+    Sleep(5);
     WriteNextCommand();
     Sleep(5);
   }
@@ -142,7 +344,7 @@ bool CAdapterCommunication::ReadFromDevice(uint32_t iTimeout)
 
 void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen)
 {
-  CLockObject lock(&m_bufferMutex);
+  CLockObject lock(&m_mutex);
   for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
     m_inBuffer.Push(data[iPtr]);
 
@@ -151,32 +353,37 @@ void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen)
 
 void CAdapterCommunication::WriteNextCommand(void)
 {
-  CCECAdapterMessage msg;
+  CCECAdapterMessagePtr msg;
   if (m_outBuffer.Pop(msg))
   {
-    if (m_port->Write(msg) != (int32_t) msg.size())
+    CLockObject lock(&msg->mutex);
+    if (m_port->Write(msg) != (int32_t) msg->size())
     {
       CStdString strError;
       strError.Format("error writing to serial port: %s", m_port->GetError().c_str());
       m_controller->AddLog(CEC_LOG_ERROR, strError);
+      msg->state = ADAPTER_MESSAGE_STATE_ERROR;
     }
     else
     {
       m_controller->AddLog(CEC_LOG_DEBUG, "command sent");
-      CCondition::Sleep((uint32_t) msg.size() * (uint32_t)24 /*data*/ + (uint32_t)5 /*start bit (4.5 ms)*/);
+      CCondition::Sleep((uint32_t) msg->size() * 24 /*data*/ + 5 /*start bit (4.5 ms)*/ + 10);
+      msg->state = ADAPTER_MESSAGE_STATE_SENT;
     }
+    msg->condition.Signal();
   }
 }
 
-bool CAdapterCommunication::Write(const CCECAdapterMessage &data)
+bool CAdapterCommunication::Write(CCECAdapterMessagePtr data)
 {
+  data->state = ADAPTER_MESSAGE_STATE_WAITING;
   m_outBuffer.Push(data);
   return true;
 }
 
 bool CAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout)
 {
-  CLockObject lock(&m_bufferMutex);
+  CLockObject lock(&m_mutex);
 
   msg.clear();
   uint64_t iNow = GetTimeMs();
@@ -190,7 +397,7 @@ bool CAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout)
     uint8_t buf = 0;
     if (!m_inBuffer.Pop(buf))
     {
-      if (!m_rcvCondition.Wait(&m_bufferMutex, iTarget - iNow))
+      if (!m_rcvCondition.Wait(&m_mutex, (uint32_t) (iTarget - iNow)))
         return false;
     }
 
@@ -222,6 +429,9 @@ bool CAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout)
       msg.push_back(buf);
   }
 
+  if (bGotFullMessage)
+    msg.state = ADAPTER_MESSAGE_STATE_RECEIVED;
+
   return bGotFullMessage;
 }
 
@@ -236,11 +446,11 @@ bool CAdapterCommunication::StartBootloader(void)
     return false;
 
   m_controller->AddLog(CEC_LOG_DEBUG, "starting the bootloader");
-  CCECAdapterMessage output;
+  CCECAdapterMessagePtr output(new CCECAdapterMessage);
 
-  output.push_back(MSGSTART);
-  output.push_escaped(MSGCODE_START_BOOTLOADER);
-  output.push_back(MSGEND);
+  output->push_back(MSGSTART);
+  output->push_escaped(MSGCODE_START_BOOTLOADER);
+  output->push_back(MSGEND);
 
   if (!Write(output))
   {
@@ -251,43 +461,17 @@ bool CAdapterCommunication::StartBootloader(void)
   return true;
 }
 
-bool CAdapterCommunication::SetAckMask(uint16_t iMask)
-{
-  if (!IsRunning())
-    return false;
-
-  CStdString strLog;
-  strLog.Format("setting ackmask to %2x", iMask);
-  m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str());
-
-  CCECAdapterMessage output;
-
-  output.push_back(MSGSTART);
-  output.push_escaped(MSGCODE_SET_ACK_MASK);
-  output.push_escaped(iMask >> 8);
-  output.push_escaped((uint8_t)iMask);
-  output.push_back(MSGEND);
-
-  if (!Write(output))
-  {
-    m_controller->AddLog(CEC_LOG_ERROR, "could not set the ackmask");
-    return false;
-  }
-
-  return true;
-}
-
 bool CAdapterCommunication::PingAdapter(void)
 {
   if (!IsRunning())
     return false;
 
   m_controller->AddLog(CEC_LOG_DEBUG, "sending ping");
-  CCECAdapterMessage output;
+  CCECAdapterMessagePtr output(new CCECAdapterMessage);
 
-  output.push_back(MSGSTART);
-  output.push_escaped(MSGCODE_PING);
-  output.push_back(MSGEND);
+  output->push_back(MSGSTART);
+  output->push_escaped(MSGCODE_PING);
+  output->push_back(MSGEND);
 
   if (!Write(output))
   {
@@ -303,5 +487,5 @@ bool CAdapterCommunication::PingAdapter(void)
 
 bool CAdapterCommunication::IsOpen(void) const
 {
-  return !IsStopped() && m_port->IsOpen();
+  return !IsStopped() && m_port->IsOpen() && IsRunning();
 }