cec: fix background polling and libcec exit

[deb_libcec.git] / src / lib / CECProcessor.cpp

diff --git a/src/lib/CECProcessor.cpp b/src/lib/CECProcessor.cpp
index 618cd9aeca6585f6995492c6a54acd2ad7ae9a4e..84b9bafcbc451ba5e4881cd80f2e66107d5234bd 100644 (file)
--- a/src/lib/CECProcessor.cpp
+++ b/src/lib/CECProcessor.cpp
@@ -57,7 +57,8 @@ CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, cec
     m_bMonitor(false),
     m_busScan(NULL),
     m_iStandardLineTimeout(3),
-    m_iRetryLineTimeout(3)
+    m_iRetryLineTimeout(3),
+    m_iLastTransmission(0)
 {
   m_communication = new CAdapterCommunication(this);
   m_logicalAddresses.Clear();
@@ -76,7 +77,8 @@ CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, con
     m_controller(controller),
     m_bMonitor(false),
     m_iStandardLineTimeout(3),
-    m_iRetryLineTimeout(3)
+    m_iRetryLineTimeout(3),
+    m_iLastTransmission(0)
 {
   m_communication = new CAdapterCommunication(this);
   m_logicalAddresses.Clear();
@@ -115,6 +117,9 @@ CCECProcessor::CCECProcessor(CLibCEC *controller, const char *strDeviceName, con
 
 CCECProcessor::~CCECProcessor(void)
 {
+  m_bStarted = false;
+  StopThread(false);
+
   if (m_busScan)
   {
     m_busScan->StopThread();
@@ -314,7 +319,7 @@ bool CCECProcessor::SetActiveSource(cec_device_type type /* = CEC_DEVICE_TYPE_RE
 
   if (type != CEC_DEVICE_TYPE_RESERVED)
   {
-    for (uint8_t iPtr = 0; iPtr < 16; iPtr++)
+    for (uint8_t iPtr = 0; iPtr <= 11; iPtr++)
     {
       if (m_logicalAddresses[iPtr] && m_busDevices[iPtr]->m_type == type)
       {
@@ -680,8 +685,13 @@ bool CCECProcessor::Transmit(const cec_command &data)
 
   CCECAdapterMessage *output = new CCECAdapterMessage(data);
   bReturn = Transmit(output);
-  delete output;
 
+  /* set to "not present" on failed ack */
+  if (output->is_error() && output->reply == MSGCODE_TRANSMIT_FAILED_ACK &&
+      output->destination() != CECDEVICE_BROADCAST)
+    m_busDevices[output->destination()]->SetDeviceStatus(CEC_DEVICE_STATUS_NOT_PRESENT);
+
+  delete output;
   return bReturn;
 }
 
@@ -690,6 +700,7 @@ bool CCECProcessor::Transmit(CCECAdapterMessage *output)
   bool bReturn(false);
   CLockObject lock(&m_mutex);
   {
+    m_iLastTransmission = GetTimeMs();
     m_communication->SetLineTimeout(m_iStandardLineTimeout);
     output->tries = 1;
 
@@ -827,7 +838,7 @@ bool CCECProcessor::ParseMessage(const CCECAdapterMessage &msg)
         m_currentframe.ack         = msg.ack();
         m_currentframe.eom         = msg.eom();
       }
-      if (m_currentframe.ack == true)
+      if (m_currentframe.ack == 0x1)
       {
         m_lastInitiator = m_currentframe.initiator;
         m_busDevices[m_lastInitiator]->GetHandler()->HandlePoll(m_currentframe.initiator, m_currentframe.destination);
@@ -1287,37 +1298,42 @@ const char *CCECProcessor::ToString(const cec_vendor_id vendor)
 void *CCECBusScan::Process(void)
 {
   CCECBusDevice *device(NULL);
-  int iCount(50);
+
   while (!IsStopped())
   {
-    if (iCount == 0)
+    for (unsigned int iPtr = 0; iPtr <= 11 && !IsStopped(); iPtr++)
     {
-      for (unsigned int iPtr = 0; iPtr <= 11 && !IsStopped(); iPtr++)
+      device = m_processor->m_busDevices[iPtr];
+      WaitUntilIdle();
+      if (device && device->GetStatus(true) == CEC_DEVICE_STATUS_PRESENT)
       {
-        device = m_processor->m_busDevices[iPtr];
-        if (device && device->GetStatus(true) == CEC_DEVICE_STATUS_PRESENT)
-        {
-          if (!IsStopped())
-          {
-            device->GetVendorId();
-            Sleep(5);
-          }
-          if (!IsStopped())
-          {
-            device->GetPowerStatus(true);
-            Sleep(5);
-          }
-        }
+        WaitUntilIdle();
+        if (!IsStopped())
+          device->GetVendorId();
+
+        WaitUntilIdle();
+        if (!IsStopped())
+          device->GetPowerStatus(true);
       }
     }
-
-    if (++iCount > 60)
-      iCount = 0;
-    Sleep(1000);
   }
+
   return NULL;
 }
 
+void CCECBusScan::WaitUntilIdle(void)
+{
+  if (IsStopped())
+    return;
+
+  int64_t iWaitTime = 3000 - (GetTimeMs() - m_processor->GetLastTransmission());
+  while (iWaitTime > 0)
+  {
+    Sleep(iWaitTime);
+    iWaitTime = 3000 - (GetTimeMs() - m_processor->GetLastTransmission());
+  }
+}
+
 bool CCECProcessor::StartBootloader(void)
 {
   return m_communication->StartBootloader();