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RtsEnable crashes on raspberry pi / linux #62

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onionhammer opened this issue Jul 12, 2018 · 3 comments
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RtsEnable crashes on raspberry pi / linux #62

onionhammer opened this issue Jul 12, 2018 · 3 comments
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@onionhammer
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onionhammer commented Jul 12, 2018 •
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If setting 'RtsEnable' on nix, a bad file descriptor error occurs

 var port = new SerialPortStream(portOptions.Path)
            {
                BaudRate     = (int)portOptions.BaudRate,
                DataBits     = portOptions.DataBits,
                Parity       = ConvertParity(portOptions.Parity),
                StopBits     = ConvertStopBits(portOptions.StopBits),
               /// RtsEnable  = true/false,  /// <--- Causes crash "bad file descriptor"
                ReadTimeout  = portOptions.ReadTimeoutMs,
                WriteTimeout = portOptions.WriteTimeoutMs
            };

Edit2: updated description; RtsEnable = true/false just crashes on linux before port is Open()ed
@onionhammer onionhammer changed the title RtsEnable depends on port being open? RtsEnable crashes on raspberry pi / linux Jul 12, 2018
@jcurl jcurl added the bug label Jul 17, 2018
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jcurl commented Jul 17, 2018

Thanks for the report. Can you say what version of libnserial that you're using?

@onionhammer
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@jcurl I built it from source / master

jcurl added a commit that referenced this issue Aug 17, 2018
@jcurl
Allow RTS/DTR to be set before serial port is open on UNIX
faa3d22 
On Windows, one can already set the RTS and DTR flags. They are cached before the serial port is opened. On Unix, an exception would be raised, due to the serial port not being opened.

Allow consistency between Windows and Unix. The libnserial library implements this caching, so it must be compiled and redeployed.

Issue: #62, DOTNET-168
@jcurl jcurl closed this as completed Aug 17, 2018
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jcurl commented Aug 17, 2018

Implemented in HEAD.

digitalcoyote pushed a commit to digitalcoyote/SerialPortStream that referenced this issue Jul 3, 2019
@jcurl @digitalcoyote
Allow RTS/DTR to be set before serial port is open on UNIX
476e39c 
On Windows, one can already set the RTS and DTR flags. They are cached before the serial port is opened. On Unix, an exception would be raised, due to the serial port not being opened.

Allow consistency between Windows and Unix. The libnserial library implements this caching, so it must be compiled and redeployed.

Issue: jcurl#62, DOTNET-168
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@onionhammer @jcurl