X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2FAdapterCommunication.cpp;h=ae1a4e451c288fd4820cc3527efaf4084d67f20b;hb=262f3b0529397d1c76ede935b8ef572b013e90d3;hp=a7466b70a1013c11fb9e231b1e0eb130434f1134;hpb=b9187cc6999276ce37a5c9852655fd558ea76b8e;p=deb_libcec.git diff --git a/src/lib/AdapterCommunication.cpp b/src/lib/AdapterCommunication.cpp index a7466b7..ae1a4e4 100644 --- a/src/lib/AdapterCommunication.cpp +++ b/src/lib/AdapterCommunication.cpp @@ -40,6 +40,7 @@ using namespace std; using namespace CEC; CAdapterCommunication::CAdapterCommunication(CLibCEC *controller) : + m_port(NULL), m_controller(controller), m_inbuf(NULL), m_iInbufSize(0), @@ -52,14 +53,19 @@ CAdapterCommunication::CAdapterCommunication(CLibCEC *controller) : CAdapterCommunication::~CAdapterCommunication(void) { - m_port->Close(); - m_port = NULL; + Close(); + + if (m_port) + { + delete m_port; + m_port = NULL; + } } -bool CAdapterCommunication::Open(const char *strPort, int iBaudRate /* = 38400 */, int iTimeoutMs /* = 10000 */) +bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint64_t iTimeoutMs /* = 10000 */) { CLockObject lock(&m_commMutex); - if (m_bStarted) + if (m_bStarted || !m_port) return false; if (!m_port->Open(strPort, iBaudRate)) @@ -76,14 +82,12 @@ bool CAdapterCommunication::Open(const char *strPort, int iBaudRate /* = 38400 * uint8_t buff[1024]; m_port->Read(buff, sizeof(buff), 50); - CCondition::Sleep(CEC_SETTLE_DOWN_TIME); - - m_bStop = false; - m_bStarted = true; + Sleep(CEC_SETTLE_DOWN_TIME); if (CreateThread()) { m_controller->AddLog(CEC_LOG_DEBUG, "reader thread created"); + m_bStarted = true; return true; } else @@ -96,37 +100,45 @@ bool CAdapterCommunication::Open(const char *strPort, int iBaudRate /* = 38400 * void CAdapterCommunication::Close(void) { + CLockObject lock(&m_commMutex); + if (m_port) + m_port->Close(); + StopThread(); - m_port->Close(); } void *CAdapterCommunication::Process(void) { + m_controller->AddLog(CEC_LOG_DEBUG, "communication thread started"); + while (!m_bStop) { + CLockObject lock(&m_commMutex); if (!ReadFromDevice(250)) { m_bStarted = false; break; } - CCondition::Sleep(50); + if (!m_bStop) + { + lock.Leave(); + Sleep(50); + } } - m_controller->AddLog(CEC_LOG_DEBUG, "reader thread terminated"); - - CLockObject lock(&m_commMutex); m_bStarted = false; return NULL; } -bool CAdapterCommunication::ReadFromDevice(int iTimeout) +bool CAdapterCommunication::ReadFromDevice(uint64_t iTimeout) { uint8_t buff[1024]; - CLockObject lock(&m_commMutex); - int iBytesRead = m_port->Read(buff, sizeof(buff), iTimeout); - lock.Leave(); - if (iBytesRead < 0) + if (!m_port) + return false; + + int32_t iBytesRead = m_port->Read(buff, sizeof(buff), iTimeout); + if (iBytesRead < 0 || iBytesRead > 256) { CStdString strError; strError.Format("error reading from serial port: %s", m_port->GetError().c_str()); @@ -134,12 +146,12 @@ bool CAdapterCommunication::ReadFromDevice(int iTimeout) return false; } else if (iBytesRead > 0) - AddData(buff, iBytesRead); + AddData(buff, (uint8_t) iBytesRead); return true; } -void CAdapterCommunication::AddData(uint8_t *data, int iLen) +void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen) { CLockObject lock(&m_bufferMutex); if (iLen + m_iInbufUsed > m_iInbufSize) @@ -158,7 +170,7 @@ bool CAdapterCommunication::Write(const cec_frame &data) { CLockObject lock(&m_commMutex); - if (m_port->Write(data) != data.size()) + if (m_port->Write(data) != (int) data.size()) { CStdString strError; strError.Format("error writing to serial port: %s", m_port->GetError().c_str()); @@ -168,12 +180,12 @@ bool CAdapterCommunication::Write(const cec_frame &data) m_controller->AddLog(CEC_LOG_DEBUG, "command sent"); - CCondition::Sleep((int) data.size() * 24 /*data*/ + 5 /*start bit (4.5 ms)*/ + 50 /* to be on the safe side */); + Sleep((int) data.size() * 24 /*data*/ + 5 /*start bit (4.5 ms)*/ + 50 /* to be on the safe side */); return true; } -bool CAdapterCommunication::Read(cec_frame &msg, int iTimeout) +bool CAdapterCommunication::Read(cec_frame &msg, uint64_t iTimeout) { CLockObject lock(&m_bufferMutex);