X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2FAdapterCommunication.cpp;h=f880d982e80175a7ab54590116528b2eca81bfce;hb=6a69ddf2f8b32b7d66be1dffafa78fd2af219749;hp=cc83320aae0084e55b7499b360a3e5883f8225e2;hpb=88c05b08388985d752f86ed1451a20e9f4f3e22c;p=deb_libcec.git diff --git a/src/lib/AdapterCommunication.cpp b/src/lib/AdapterCommunication.cpp index cc83320..f880d98 100644 --- a/src/lib/AdapterCommunication.cpp +++ b/src/lib/AdapterCommunication.cpp @@ -65,7 +65,7 @@ CAdapterCommunication::~CAdapterCommunication(void) bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint32_t iTimeoutMs /* = 10000 */) { - CLockObject lock(&m_mutex); + CLockObject lock(&m_commMutex); if (!m_port) { m_controller->AddLog(CEC_LOG_ERROR, "port is NULL"); @@ -91,8 +91,6 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38 uint8_t buff[1024]; m_port->Read(buff, sizeof(buff), 50); - Sleep(CEC_SETTLE_DOWN_TIME); - if (CreateThread()) { m_controller->AddLog(CEC_LOG_DEBUG, "communication thread created"); @@ -108,9 +106,7 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38 void CAdapterCommunication::Close(void) { - m_rcvCondition.Broadcast(); - - CLockObject lock(&m_mutex); + CLockObject lock(&m_commMutex); StopThread(); if (m_inbuf) @@ -120,6 +116,8 @@ void CAdapterCommunication::Close(void) m_iInbufSize = 0; m_iInbufUsed = 0; } + + m_rcvCondition.Broadcast(); } void *CAdapterCommunication::Process(void) @@ -129,13 +127,12 @@ void *CAdapterCommunication::Process(void) while (!IsStopped()) { { - CLockObject lock(&m_mutex); - if (ReadFromDevice(50)) - m_rcvCondition.Signal(); + CLockObject lock(&m_commMutex); + ReadFromDevice(100); } if (!IsStopped()) - Sleep(50); + Sleep(5); } return NULL; @@ -154,7 +151,6 @@ bool CAdapterCommunication::ReadFromDevice(uint32_t iTimeout) CStdString strError; strError.Format("error reading from serial port: %s", m_port->GetError().c_str()); m_controller->AddLog(CEC_LOG_ERROR, strError); - StopThread(false); return false; } else if (iBytesRead > 0) @@ -165,6 +161,7 @@ bool CAdapterCommunication::ReadFromDevice(uint32_t iTimeout) void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen) { + CLockObject lock(&m_bufferMutex); if (m_iInbufUsed + iLen > m_iInbufSize) { m_iInbufSize = m_iInbufUsed + iLen; @@ -173,33 +170,34 @@ void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen) memcpy(m_inbuf + m_iInbufUsed, data, iLen); m_iInbufUsed += iLen; + + m_rcvCondition.Signal(); } -bool CAdapterCommunication::Write(const cec_frame &data) +bool CAdapterCommunication::Write(const cec_adapter_message &data) { + CLockObject lock(&m_commMutex); + if (m_port->Write(data) != (int32_t) data.size()) { - CLockObject lock(&m_mutex); - if (m_port->Write(data) != (int32_t) data.size) - { - CStdString strError; - strError.Format("error writing to serial port: %s", m_port->GetError().c_str()); - m_controller->AddLog(CEC_LOG_ERROR, strError); - return false; - } - - m_controller->AddLog(CEC_LOG_DEBUG, "command sent"); + CStdString strError; + strError.Format("error writing to serial port: %s", m_port->GetError().c_str()); + m_controller->AddLog(CEC_LOG_ERROR, strError); + return false; } + m_controller->AddLog(CEC_LOG_DEBUG, "command sent"); + CCondition::Sleep((uint32_t) data.size() * (uint32_t)24 /*data*/ + (uint32_t)5 /*start bit (4.5 ms)*/); + return true; } -bool CAdapterCommunication::Read(cec_frame &msg, uint32_t iTimeout) +bool CAdapterCommunication::Read(cec_adapter_message &msg, uint32_t iTimeout) { - CLockObject lock(&m_mutex); + CLockObject lock(&m_bufferMutex); if (m_iInbufUsed < 1) { - if (!m_rcvCondition.Wait(&m_mutex, iTimeout)) + if (!m_rcvCondition.Wait(&m_bufferMutex, iTimeout)) return false; } @@ -298,7 +296,7 @@ bool CAdapterCommunication::StartBootloader(void) return false; m_controller->AddLog(CEC_LOG_DEBUG, "starting the bootloader"); - cec_frame output; + cec_adapter_message output; output.clear(); output.push_back(MSGSTART); @@ -314,7 +312,7 @@ bool CAdapterCommunication::StartBootloader(void) return true; } -void CAdapterCommunication::PushEscaped(cec_frame &vec, uint8_t byte) +void CAdapterCommunication::PushEscaped(cec_adapter_message &vec, uint8_t byte) { if (byte >= MSGESC && byte != MSGSTART) { @@ -336,7 +334,7 @@ bool CAdapterCommunication::SetAckMask(uint16_t iMask) strLog.Format("setting ackmask to %2x", iMask); m_controller->AddLog(CEC_LOG_DEBUG, strLog.c_str()); - cec_frame output; + cec_adapter_message output; output.clear(); output.push_back(MSGSTART); @@ -360,7 +358,7 @@ bool CAdapterCommunication::PingAdapter(void) return false; m_controller->AddLog(CEC_LOG_DEBUG, "sending ping"); - cec_frame output; + cec_adapter_message output; output.clear(); output.push_back(MSGSTART); @@ -383,3 +381,46 @@ bool CAdapterCommunication::IsOpen(void) const { return !IsStopped() && m_port->IsOpen(); } + +void CAdapterCommunication::FormatAdapterMessage(const cec_command &command, cec_adapter_message &packet) +{ + packet.clear(); + + //set ack polarity to high when transmitting to the broadcast address + //set ack polarity low when transmitting to any other address + packet.push_back(MSGSTART); + PushEscaped(packet, MSGCODE_TRANSMIT_ACK_POLARITY); + if (command.destination == CECDEVICE_BROADCAST) + PushEscaped(packet, CEC_TRUE); + else + PushEscaped(packet, CEC_FALSE); + packet.push_back(MSGEND); + + // add source and destination + packet.push_back(MSGSTART); + PushEscaped(packet, MSGCODE_TRANSMIT); + packet.push_back(((uint8_t)command.initiator << 4) + (uint8_t)command.destination); + packet.push_back(MSGEND); + + // add opcode + packet.push_back(MSGSTART); + PushEscaped(packet, command.parameters.empty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT); + packet.push_back((uint8_t) command.opcode); + packet.push_back(MSGEND); + + // add parameters + for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++) + { + packet.push_back(MSGSTART); + + if (iPtr == command.parameters.size - 1) + PushEscaped(packet, MSGCODE_TRANSMIT_EOM); + else + PushEscaped(packet, MSGCODE_TRANSMIT); + + PushEscaped(packet, command.parameters[iPtr]); + + packet.push_back(MSGEND); + } +} +