/*
* 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 Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved.
* libCEC(R) is an original work, containing original code.
*
* libCEC(R) is a trademark of Pulse-Eight Limited.
static_cast<CRPiCECAdapterCommunication *>(callback_data)->OnDataReceived(p0, p1, p2, p3, p4);
}
+// callback for the TV service
+void rpi_tv_callback(void *callback_data, uint32_t reason, uint32_t p0, uint32_t p1)
+{
+ if (callback_data)
+ static_cast<CRPiCECAdapterCommunication *>(callback_data)->OnTVServiceCallback(reason, p0, p1);
+}
+
CRPiCECAdapterCommunication::CRPiCECAdapterCommunication(IAdapterCommunicationCallback *callback) :
IAdapterCommunication(callback),
m_logicalAddress(CECDEVICE_UNKNOWN),
- m_bLogicalAddressChanged(false)
+ m_bLogicalAddressChanged(false),
+ m_previousLogicalAddress(CECDEVICE_FREEUSE),
+ m_bLogicalAddressRegistered(false)
{
m_queue = new CRPiCECAdapterMessageQueue(this);
}
CRPiCECAdapterCommunication::~CRPiCECAdapterCommunication(void)
{
delete(m_queue);
+ UnregisterLogicalAddress();
Close();
+ vc_cec_set_passive(false);
}
const char *ToString(const VC_CEC_ERROR_T error)
return m_bInitialised;
}
+void CRPiCECAdapterCommunication::OnTVServiceCallback(uint32_t reason, uint32_t UNUSED(p0), uint32_t UNUSED(p1))
+{
+ switch(reason)
+ {
+ case VC_HDMI_ATTACHED:
+ {
+ uint16_t iNewAddress = GetPhysicalAddress();
+ m_callback->HandlePhysicalAddressChanged(iNewAddress);
+ break;
+ }
+ case VC_HDMI_UNPLUGGED:
+ case VC_HDMI_DVI:
+ case VC_HDMI_HDMI:
+ case VC_HDMI_HDCP_UNAUTH:
+ case VC_HDMI_HDCP_AUTH:
+ case VC_HDMI_HDCP_KEY_DOWNLOAD:
+ case VC_HDMI_HDCP_SRM_DOWNLOAD:
+ default:
+ break;
+ }
+}
+
void CRPiCECAdapterCommunication::OnDataReceived(uint32_t header, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3)
{
VC_CEC_NOTIFY_T reason = (VC_CEC_NOTIFY_T)CEC_CB_REASON(header);
+#ifdef CEC_DEBUGGING
LIB_CEC->AddLog(CEC_LOG_DEBUG, "received data: header:%08X p0:%08X p1:%08X p2:%08X p3:%08X reason:%x", header, p0, p1, p2, p3, reason);
+#endif
switch (reason)
{
case VC_CEC_LOGICAL_ADDR:
{
CLockObject lock(m_mutex);
+ m_previousLogicalAddress = m_logicalAddress;
if (CEC_CB_RC(header) == VCHIQ_SUCCESS)
{
m_bLogicalAddressChanged = true;
m_logicalAddress = (cec_logical_address)(p0 & 0xF);
+ m_bLogicalAddressRegistered = true;
LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address changed to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress);
}
else
{
- m_logicalAddress = CECDEVICE_BROADCAST;
+ m_logicalAddress = CECDEVICE_FREEUSE;
LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to change the logical address, reset to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress);
}
m_logicalAddressCondition.Signal();
break;
case VC_CEC_LOGICAL_ADDR_LOST:
{
+ LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical %s (%x) address lost", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress);
// the logical address was taken by another device
- cec_logical_address previousAddress = m_logicalAddress;
+ cec_logical_address previousAddress = m_logicalAddress == CECDEVICE_FREEUSE ? m_previousLogicalAddress : m_logicalAddress;
m_logicalAddress = CECDEVICE_UNKNOWN;
// notify libCEC that we lost our LA when the connection was initialised
- if (m_bInitialised)
+ bool bNotify(false);
+ {
+ CLockObject lock(m_mutex);
+ bNotify = m_bInitialised && m_bLogicalAddressRegistered;
+ }
+ if (bNotify)
m_callback->HandleLogicalAddressLost(previousAddress);
}
break;
// enable passive mode
vc_cec_set_passive(true);
- // register the callback
- vc_cec_register_callback(((CECSERVICE_CALLBACK_T)rpi_cec_callback), (void*)this);
-
- // release previous LA
- vc_cec_release_logical_address();
- if (!m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged, iTimeoutMs))
- {
- LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to release the previous LA");
- return false;
- }
+ // register the callbacks
+ vc_cec_register_callback(rpi_cec_callback, (void*)this);
+ vc_tv_register_callback(rpi_tv_callback, (void*)this);
// register LA "freeuse"
- if (RegisterLogicalAddress(CECDEVICE_FREEUSE))
+ if (RegisterLogicalAddress(CECDEVICE_FREEUSE, iTimeoutMs))
{
LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vc_cec initialised", __FUNCTION__);
CLockObject lock(m_mutex);
m_bInitialised = true;
}
else
+ {
LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vc_cec could not be initialised", __FUNCTION__);
+ return false;
+ }
}
return true;
void CRPiCECAdapterCommunication::Close(void)
{
- {
- CLockObject lock(m_mutex);
- if (m_bInitialised)
- m_bInitialised = false;
- else
- return;
+ if (m_bInitialised) {
+ vc_tv_unregister_callback(rpi_tv_callback);
+ m_bInitialised = false;
}
- UnregisterLogicalAddress();
-
- // disable passive mode
- vc_cec_set_passive(false);
if (!g_bHostInited)
{
return strError;
}
-cec_adapter_message_state CRPiCECAdapterCommunication::Write(const cec_command &data, bool &UNUSED(bRetry), uint8_t UNUSED(iLineTimeout), bool bIsReply)
+cec_adapter_message_state CRPiCECAdapterCommunication::Write(const cec_command &data, bool &bRetry, uint8_t iLineTimeout, bool bIsReply)
{
- // ensure that the source LA is registered
- if (!RegisterLogicalAddress(data.initiator))
- {
- LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to register logical address %s (%X)", CCECTypeUtils::ToString(data.initiator), data.initiator);
- return (data.initiator == data.destination) ? ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED : ADAPTER_MESSAGE_STATE_ERROR;
- }
-
- if (!data.opcode_set && data.initiator == data.destination)
- {
- // registration of the logical address would have failed
- return ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED;
- }
+ VC_CEC_ERROR_T vcAnswer;
+ uint32_t iTimeout = (data.transmit_timeout ? data.transmit_timeout : iLineTimeout*1000);
- return m_queue->Write(data, bIsReply) ? ADAPTER_MESSAGE_STATE_SENT_ACKED : ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED;
+ cec_adapter_message_state rc = m_queue->Write(data, bRetry, iTimeout, bIsReply, vcAnswer);
+#ifdef CEC_DEBUGGING
+ LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending data: result %s", ToString(vcAnswer));
+#endif
+ return rc;
}
uint16_t CRPiCECAdapterCommunication::GetFirmwareVersion(void)
cec_logical_address CRPiCECAdapterCommunication::GetLogicalAddress(void)
{
- {
- CLockObject lock(m_mutex);
- if (m_logicalAddress != CECDEVICE_UNKNOWN)
- return m_logicalAddress;
- }
+ CLockObject lock(m_mutex);
- CEC_AllDevices_T address;
- return (vc_cec_get_logical_address(&address) == VCHIQ_SUCCESS) ?
- (cec_logical_address)address : CECDEVICE_UNKNOWN;
+ return m_logicalAddress;
}
bool CRPiCECAdapterCommunication::UnregisterLogicalAddress(void)
{
CLockObject lock(m_mutex);
- if (m_logicalAddress == CECDEVICE_UNKNOWN ||
- m_logicalAddress == CECDEVICE_BROADCAST)
+ if (!m_bInitialised)
return true;
LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - releasing previous logical address", __FUNCTION__);
- m_bLogicalAddressChanged = false;
+ {
+ CLockObject lock(m_mutex);
+ m_bLogicalAddressRegistered = false;
+ m_bLogicalAddressChanged = false;
+ }
vc_cec_release_logical_address();
return m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged);
}
-bool CRPiCECAdapterCommunication::RegisterLogicalAddress(const cec_logical_address address)
+bool CRPiCECAdapterCommunication::RegisterLogicalAddress(const cec_logical_address address, uint32_t iTimeoutMs)
{
{
CLockObject lock(m_mutex);
- if (m_logicalAddress == address)
+ if ((m_logicalAddress == address) && m_bLogicalAddressRegistered)
return true;
}
- if (!UnregisterLogicalAddress())
- return false;
-
- LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - registering address %x", __FUNCTION__, address);
-
- CLockObject lock(m_mutex);
m_bLogicalAddressChanged = false;
- vc_cec_poll_address((CEC_AllDevices_T)address);
// register the new LA
int iRetval = vc_cec_set_logical_address((CEC_AllDevices_T)address, (CEC_DEVICE_TYPE_T)CCECTypeUtils::GetType(address), CEC_VENDOR_ID_BROADCOM);
if (iRetval != VCHIQ_SUCCESS)
{
LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vc_cec_set_logical_address(%X) returned %s (%d)", __FUNCTION__, address, ToString((VC_CEC_ERROR_T)iRetval), iRetval);
- return false;
+ UnregisterLogicalAddress();
}
-
- return m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged);
+ else if (m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged, iTimeoutMs))
+ {
+ return true;
+ }
+ return false;
}
cec_logical_addresses CRPiCECAdapterCommunication::GetLogicalAddresses(void)
{
cec_logical_addresses addresses; addresses.Clear();
- cec_logical_address current = GetLogicalAddress();
- if (current != CECDEVICE_UNKNOWN)
- addresses.Set(current);
+ if (m_bLogicalAddressRegistered)
+ addresses.primary = GetLogicalAddress();
return addresses;
}