cec: fixed - frequency wasn't checked in GetTimeMs(), leading to incorrect wait times...
[deb_libcec.git] / src / lib / adapter / USBCECAdapterCommunication.cpp
index 2944c0cd6361f96ce4b51bd261af4a220b33d6ba..49bd9ea5fa40521affe14746eedccff79d7d9fed 100644 (file)
@@ -66,12 +66,14 @@ CUSBCECAdapterCommunication::CUSBCECAdapterCommunication(CCECProcessor *processo
     m_bHasData(false),
     m_iLineTimeout(0),
     m_iFirmwareVersion(CEC_FW_VERSION_UNKNOWN),
-    m_lastInitiator(CECDEVICE_UNKNOWN),
+    m_lastDestination(CECDEVICE_UNKNOWN),
     m_bNextIsEscaped(false),
     m_bGotStart(false),
     m_messageProcessor(NULL),
     m_bInitialised(false)
 {
+  for (unsigned int iPtr = 0; iPtr < 15; iPtr++)
+    m_bWaitingForAck[iPtr] = false;
   m_port = new CSerialPort(strPort, iBaudRate);
 }
 
@@ -181,9 +183,20 @@ bool CUSBCECAdapterCommunication::Open(IAdapterCommunicationCallback *cb, uint32
     {
       //clear any input bytes
       uint8_t buff[1024];
-      while (m_port->Read(buff, 1024, 100) > 0)
+      ssize_t iBytesRead(0);
+      bool bGotMsgStart(false), bGotMsgEnd(false);
+      while ((iBytesRead = m_port->Read(buff, 1024, 100)) > 0 || (bGotMsgStart && !bGotMsgEnd))
       {
-        CLibCEC::AddLog(CEC_LOG_DEBUG, "data received, clearing it");
+        if (!bGotMsgStart)
+          CLibCEC::AddLog(CEC_LOG_DEBUG, "data received, clearing it");
+        // if something was received, wait for MSGEND
+        for (ssize_t iPtr = 0; iPtr < iBytesRead; iPtr++)
+        {
+          if (buff[iPtr] == MSGSTART)
+            bGotMsgStart = true;
+          else if (buff[iPtr] == MSGEND)
+            bGotMsgEnd = true;
+        }
         Sleep(250);
       }
     }
@@ -292,6 +305,11 @@ cec_adapter_message_state CUSBCECAdapterCommunication::Write(const cec_command &
   output->retryTimeout = iRetryLineTimeout;
   output->tries = 0;
 
+  {
+    CLockObject lock(m_mutex);
+    m_bWaitingForAck[data.destination] = true;
+  }
+
   bool bRetry(true);
   while (bRetry && ++output->tries < output->maxTries)
   {
@@ -415,16 +433,19 @@ bool CUSBCECAdapterCommunication::ParseMessage(const CCECAdapterMessage &msg)
       }
       if (m_currentframe.ack == 0x1)
       {
-        m_lastInitiator = m_currentframe.initiator;
-        m_processor->HandlePoll(m_currentframe.initiator, m_currentframe.destination);
+        m_lastDestination    = m_currentframe.destination;
+        if (!m_bWaitingForAck[m_currentframe.destination])
+          m_processor->HandlePoll(m_currentframe.initiator, m_currentframe.destination);
+        else
+          m_bWaitingForAck[m_currentframe.destination] = false;
       }
     }
     break;
   case MSGCODE_RECEIVE_FAILED:
     {
       m_currentframe.Clear();
-      if (m_lastInitiator != CECDEVICE_UNKNOWN)
-        bIsError = m_processor->HandleReceiveFailed(m_lastInitiator);
+      if (m_lastDestination != CECDEVICE_UNKNOWN)
+        bIsError = m_processor->HandleReceiveFailed(m_lastDestination);
     }
     break;
   case MSGCODE_FRAME_DATA:
@@ -452,7 +473,7 @@ uint16_t CUSBCECAdapterCommunication::GetFirmwareVersion(void)
   {
     CLockObject lock(m_mutex);
     CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting the firmware version");
-    cec_datapacket response = GetSetting(MSGCODE_FIRMWARE_VERSION);
+    cec_datapacket response = GetSetting(MSGCODE_FIRMWARE_VERSION, 2);
     if (response.size == 2)
     {
       m_iFirmwareVersion = (response[0] << 8 | response[1]);
@@ -561,11 +582,11 @@ bool CUSBCECAdapterCommunication::GetConfiguration(libcec_configuration *configu
   // - CEC version (1.3a)
 
   // TODO to be added to the firmware:
-  // - base device (1 byte)
-  // - HDMI port number (1 byte)
-  // - TV vendor id (3 bytes)
-  // - wake devices (1 byte)
-  // - standby devices (1 bytes)
+  // - base device (4 bits)
+  // - HDMI port number (4 bits)
+  // - TV vendor id (12 bits)
+  // - wake devices (8 bits)
+  // - standby devices (8 bits)
   // - use TV menu language (1 bit)
   // - activate source (1 bit)
   // - power off screensaver (1 bit)
@@ -599,7 +620,7 @@ bool CUSBCECAdapterCommunication::GetSettingAutoEnabled(bool &enabled)
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting autonomous mode setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_AUTO_ENABLED);
+  cec_datapacket response = GetSetting(MSGCODE_GET_AUTO_ENABLED, 1);
   if (response.size == 1)
   {
     enabled = response[0] == 1;
@@ -623,7 +644,7 @@ bool CUSBCECAdapterCommunication::GetSettingDeviceType(cec_device_type &value)
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting device type setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_DEVICE_TYPE);
+  cec_datapacket response = GetSetting(MSGCODE_GET_DEVICE_TYPE, 1);
   if (response.size == 1)
   {
     value = (cec_device_type)response[0];
@@ -647,7 +668,7 @@ bool CUSBCECAdapterCommunication::GetSettingDefaultLogicalAddress(cec_logical_ad
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting default logical address setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS);
+  cec_datapacket response = GetSetting(MSGCODE_GET_DEFAULT_LOGICAL_ADDRESS, 1);
   if (response.size == 1)
   {
     address = (cec_logical_address)response[0];
@@ -672,7 +693,7 @@ bool CUSBCECAdapterCommunication::GetSettingLogicalAddressMask(uint16_t &iMask)
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting logical address mask setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK);
+  cec_datapacket response = GetSetting(MSGCODE_GET_LOGICAL_ADDRESS_MASK, 2);
   if (response.size == 2)
   {
     iMask = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
@@ -684,7 +705,7 @@ bool CUSBCECAdapterCommunication::GetSettingLogicalAddressMask(uint16_t &iMask)
 bool CUSBCECAdapterCommunication::SetSettingPhysicalAddress(uint16_t iPhysicalAddress)
 {
   CLockObject lock(m_mutex);
-  CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the physical address to %2X", iPhysicalAddress);
+  CLibCEC::AddLog(CEC_LOG_DEBUG, "setting the physical address to %04X", iPhysicalAddress);
 
   CCECAdapterMessage params;
   params.PushEscaped(iPhysicalAddress >> 8);
@@ -697,7 +718,7 @@ bool CUSBCECAdapterCommunication::GetSettingPhysicalAddress(uint16_t &iPhysicalA
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting physical address setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_PHYSICAL_ADDRESS);
+  cec_datapacket response = GetSetting(MSGCODE_GET_PHYSICAL_ADDRESS, 2);
   if (response.size == 2)
   {
     iPhysicalAddress = ((uint16_t)response[0] << 8) | ((uint16_t)response[1]);
@@ -721,7 +742,7 @@ bool CUSBCECAdapterCommunication::GetSettingCECVersion(cec_version &version)
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting CEC version setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_HDMI_VERSION);
+  cec_datapacket response = GetSetting(MSGCODE_GET_HDMI_VERSION, 1);
   if (response.size == 1)
   {
     version = (cec_version)response[0];
@@ -746,12 +767,12 @@ bool CUSBCECAdapterCommunication::GetSettingOSDName(CStdString &strOSDName)
   CLockObject lock(m_mutex);
   CLibCEC::AddLog(CEC_LOG_DEBUG, "requesting OSD name setting");
 
-  cec_datapacket response = GetSetting(MSGCODE_GET_OSD_NAME);
+  cec_datapacket response = GetSetting(MSGCODE_GET_OSD_NAME, 13);
   if (response.size == 0)
     return false;
 
-  char buf[15];
-  for (uint8_t iPtr = 0; iPtr < response.size && iPtr < 15; iPtr++)
+  char buf[14];
+  for (uint8_t iPtr = 0; iPtr < response.size && iPtr < 13; iPtr++)
     buf[iPtr] = (char)response[iPtr];
   buf[response.size] = 0;
 
@@ -794,15 +815,20 @@ bool CUSBCECAdapterCommunication::WaitForAck(CCECAdapterMessage &message)
 
     if (msg.Message() == MSGCODE_FRAME_START && msg.IsACK())
     {
-      m_processor->HandlePoll(msg.Initiator(), msg.Destination());
-      m_lastInitiator = msg.Initiator();
+      if (m_bWaitingForAck[msg.Initiator()])
+        m_bWaitingForAck[msg.Initiator()] = false;
+      else
+      {
+        m_processor->HandlePoll(msg.Initiator(), msg.Destination());
+        m_lastDestination = msg.Initiator();
+      }
       iNow = GetTimeMs();
       continue;
     }
 
     if (msg.Message() == MSGCODE_RECEIVE_FAILED &&
-        m_lastInitiator != CECDEVICE_UNKNOWN &&
-        m_processor->HandleReceiveFailed(m_lastInitiator))
+        m_lastDestination != CECDEVICE_UNKNOWN &&
+        m_processor->HandleReceiveFailed(m_lastDestination))
     {
       iNow = GetTimeMs();
       continue;
@@ -967,14 +993,14 @@ CStdString CUSBCECAdapterCommunication::GetPortName(void)
   return strName;
 }
 
-bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode, CCECAdapterMessage &params, bool bExpectAck /* = true */, bool bIsTransmission /* = false */, bool bSendDirectly /* = true */)
+bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode, CCECAdapterMessage &params, bool bExpectAck /* = true */, bool bIsTransmission /* = false */, bool bSendDirectly /* = true */, bool bIsRetry /* = false */)
 {
   CLockObject lock(m_mutex);
 
   CCECAdapterMessage *output = new CCECAdapterMessage;
 
   output->PushBack(MSGSTART);
-  output->PushEscaped(msgCode);
+  output->PushEscaped((uint8_t)msgCode);
   output->Append(params);
   output->PushBack(MSGEND);
   output->isTransmission = bIsTransmission;
@@ -990,6 +1016,13 @@ bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode, C
   {
     CLibCEC::AddLog(CEC_LOG_ERROR, "'%s' failed", CCECAdapterMessage::ToString(msgCode));
     delete output;
+
+    if (!bIsRetry && output->reply == MSGCODE_COMMAND_REJECTED && msgCode != MSGCODE_SET_CONTROLLED)
+    {
+      CLibCEC::AddLog(CEC_LOG_DEBUG, "setting controlled mode and retrying");
+      if (SetControlledMode(true))
+        return SendCommand(msgCode, params, bExpectAck, bIsTransmission, bSendDirectly, true);
+    }
     return false;
   }
 
@@ -997,7 +1030,7 @@ bool CUSBCECAdapterCommunication::SendCommand(cec_adapter_messagecode msgCode, C
   return true;
 }
 
-cec_datapacket CUSBCECAdapterCommunication::GetSetting(cec_adapter_messagecode msgCode)
+cec_datapacket CUSBCECAdapterCommunication::GetSetting(cec_adapter_messagecode msgCode, uint8_t iResponseLength)
 {
   cec_datapacket retVal;
   retVal.Clear();
@@ -1010,7 +1043,7 @@ cec_datapacket CUSBCECAdapterCommunication::GetSetting(cec_adapter_messagecode m
   }
 
   Sleep(250); // TODO ReadFromDevice() isn't waiting for the timeout to pass on win32
-  ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT, 5 /* start + msgcode + 2 bytes for fw version + end */);
+  ReadFromDevice(CEC_DEFAULT_TRANSMIT_WAIT, iResponseLength + 3 /* start + msgcode + iResponseLength + end */);
   CCECAdapterMessage input;
   if (Read(input, 0))
   {