X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Flib%2Fplatform%2Fwindows%2Fserialport.cpp;h=c0cdd936af9e586991ac2e6b463ca2df1674abc8;hb=15678787106be2ec2c412a8ad4c657821b3f9ff5;hp=fe917255d5ad2e921b4ce628077ea42d57027c49;hpb=17dd542c8184a64fbf48151b55ba307598f8116e;p=deb_libcec.git diff --git a/src/lib/platform/windows/serialport.cpp b/src/lib/platform/windows/serialport.cpp index fe91725..c0cdd93 100644 --- a/src/lib/platform/windows/serialport.cpp +++ b/src/lib/platform/windows/serialport.cpp @@ -48,14 +48,11 @@ void FormatWindowsError(int iErrorCode, CStdString &strMessage) } } -bool CSerialSocket::SetTimeouts(serial_socket_t socket, int* iError, DWORD iTimeout) +bool SetTimeouts(serial_socket_t socket, int* iError, bool bBlocking) { if (socket == INVALID_HANDLE_VALUE) return false; - if (iTimeout == m_iCurrentTimeout) - return true; - COMMTIMEOUTS cto; if (!GetCommTimeouts(socket, &cto)) { @@ -63,9 +60,18 @@ bool CSerialSocket::SetTimeouts(serial_socket_t socket, int* iError, DWORD iTime return false; } - cto.ReadIntervalTimeout = 0; - cto.ReadTotalTimeoutConstant = iTimeout; - cto.ReadTotalTimeoutMultiplier = 0; + if (bBlocking) + { + cto.ReadIntervalTimeout = 0; + cto.ReadTotalTimeoutConstant = 0; + cto.ReadTotalTimeoutMultiplier = 0; + } + else + { + cto.ReadIntervalTimeout = MAXDWORD; + cto.ReadTotalTimeoutConstant = 0; + cto.ReadTotalTimeoutMultiplier = 0; + } if (!SetCommTimeouts(socket, &cto)) { @@ -73,7 +79,6 @@ bool CSerialSocket::SetTimeouts(serial_socket_t socket, int* iError, DWORD iTime return false; } - m_iCurrentTimeout = iTimeout; return true; } @@ -98,20 +103,7 @@ ssize_t CSerialSocket::Write(void* data, size_t len) ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 */) { - if (IsOpen()) - { - DWORD iTimeout((DWORD)iTimeoutMs); - if (iTimeout != iTimeoutMs) - return -1; - - int iError(0); - if (!SetTimeouts(m_socket, &iError, iTimeout)) - return -1; - - return SerialSocketRead(m_socket, &m_iError, data, len, iTimeoutMs); - } - - return -1; + return IsOpen() ? SerialSocketRead(m_socket, &m_iError, data, len, iTimeoutMs) : -1; } bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */) @@ -161,7 +153,7 @@ bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */) return false; } - if (!SetTimeouts(m_socket, &m_iError, MAXDWORD)) + if (!SetTimeouts(m_socket, &m_iError, false)) { m_strError = "unable to set timeouts"; FormatWindowsError(GetLastError(), m_strError);