+bool CCECProcessor::SetHDMIPort(uint8_t iPort)
+{
+ bool bReturn(false);
+
+ CStdString strLog;
+ strLog.Format("setting HDMI port to %d", iPort);
+ AddLog(CEC_LOG_DEBUG, strLog);
+
+ m_iHDMIPort = iPort;
+ if (!m_bStarted)
+ return true;
+
+ uint16_t iPhysicalAddress(0);
+ int iPos = 3;
+ while(!bReturn && iPos >= 0)
+ {
+ iPhysicalAddress += ((uint16_t)iPort * (0x1 << iPos*4));
+ strLog.Format("checking physical address %4x", iPhysicalAddress);
+ AddLog(CEC_LOG_DEBUG, strLog);
+ if (CheckPhysicalAddress(iPhysicalAddress))
+ {
+ strLog.Format("physical address %4x is in use", iPhysicalAddress);
+ AddLog(CEC_LOG_DEBUG, strLog);
+ iPos--;
+ }
+ else
+ {
+ SetPhysicalAddress(iPhysicalAddress);
+ bReturn = true;
+ }
+ }
+
+ return bReturn;
+}
+
+bool CCECProcessor::CheckPhysicalAddress(uint16_t iPhysicalAddress)
+{
+ for (unsigned int iPtr = 0; iPtr < 16; iPtr++)
+ {
+ if (m_busDevices[iPtr]->GetPhysicalAddress(false) == iPhysicalAddress)
+ return true;
+ }
+ return false;
+}
+