On 1/21/07, Victor Rocha <[EMAIL PROTECTED]> wrote:
Hello Carlos, LeszekI got a "Serial Chat" example from the web, and modified it in order to find what could be wrong with serial port. I noticed that "ReadLine()" works ok, while "Read()" doesn't... short explanation for the files attached: - serialChat_ReadLine.cs: Just works fine!!! (uses the ReadLine() function) - serialChat_Read.cs: Could not read anything from the port... (uses the Read() function) i also included files named as "xxx_nodetect.cs", which are same as above, but port detection is commented-out (so it runs in windows). I downloaded mono from SVN and patched it with this file from bugzilla: http://bugzilla.ximian.com/showattachment.cgi?attach_id=18521 After patching and building, I still couldn't get Read() working.... Please could you test this at your computers? maybe I could be doing something wrong, or maybe it's something with my system. If you can succeed with byte reading, using these files, I'll just start again from a "clean" linux installation... thank you very much for your attention!!! best regards Victor Rocha Florianopolis, Brazil
Hi all, Well the problem is definitely not BSD-specific (as I have wrongly suggested). On windows and linux, with your code (which is the example from http://msdn2.microsoft.com/en-us/library/system.io.ports.serialport.aspx , right?) I get the same problem as you did - ReadByte or Read(byte[],..) throw Timeouts (after the timeout interval) instead of reading available data. Strange thing is - I cannot replicate this bug with smaller test case. There is something fishy with the code. What's more - the same problem exists with MS.Net! So while it looks like a bug, it is behaviour shared between mono and MS.Net. Can someone else look into the attached examples? -- MS-DOS user since 5.0 Windows user since 3.11 Linux user since kernel 2.4 Novell Netware user since 2.2 WARCRAFT user since 1.0
serialChat_ReadLine.cs
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serialChat_Read.cs
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serialChat_ReadLine_nodetect.cs
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serialChat_Read_nodetect.cs
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