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| author | andrii.davydenko <andrii.davydenko@globallogic.com> | 2021-11-16 11:51:32 +0200 |
|---|---|---|
| committer | John Klug <john.klug@multitech.com> | 2022-04-18 13:26:27 -0500 |
| commit | 1f7987d546384b6b9ef0079dac5c903148a59210 (patch) | |
| tree | 6eaf7db557e91e1f6b6c29885d5fddc3c584c457 /src/MTS_IO_SerialConnection.cpp | |
| parent | 28b673dd4db086f1957c5cdae281f54980715e36 (diff) | |
| download | libmts-io-1f7987d546384b6b9ef0079dac5c903148a59210.tar.gz libmts-io-1f7987d546384b6b9ef0079dac5c903148a59210.tar.bz2 libmts-io-1f7987d546384b6b9ef0079dac5c903148a59210.zip | |
Update MODBUS slave feature, Rogers Certification issue
Diffstat (limited to 'src/MTS_IO_SerialConnection.cpp')
| -rw-r--r-- | src/MTS_IO_SerialConnection.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/MTS_IO_SerialConnection.cpp b/src/MTS_IO_SerialConnection.cpp index 936d28d..d13c565 100644 --- a/src/MTS_IO_SerialConnection.cpp +++ b/src/MTS_IO_SerialConnection.cpp @@ -546,6 +546,10 @@ int SerialConnection::doRead(char* pBuffer, const uint32_t& iSize, int32_t& time } else { if (FD_ISSET(h, &readfs)) { result = ::read(h, pBuffer, iSize); + if (result == 0) { + printTrace("SERIAL| serial port [%s] disconnected", m_sPortName.c_str()); + result = -1; + } } else { //socket closed? result = -1; |