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6.4

HyperTerminal and C# difference?

Asked by 154115 in Microsoft Visual C#.Net, C# Programming Language, .NET

Tags: HyperTerminal, C#, C-sharp. C Sharp, .NET, Visual Studio 9, Serial, Port, RS485, RS232, Programming

I want to control some electronic components through the serial port. I can control the the electronic components if I send a command in HyperTerminal in Windows, but when I send the same serial command from C#, the electronic components dosen't do anything at all. My C# code looks like this:

SerialPort s = new SerialPort("COM1", 9600, Parity.None, 8, StopBits.One);
s.Open();
s.Write("$05EA");
s.Close();
s.Dispose();

I don't understand why the HyperTerminal should be any different from my C# code. Why is it working in the HyperTerminal and not when i send the commands from C#? I have tried to use Thread.Sleep(1000) before and after the Write method and I have alså tried to add CR and LF but nothing works. Maybe it's because the electronic componets uses RS485 to connect. I don't know. All I know is that it works in HyperTerminal and dosen't work in C#? Please help.

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HyperTerminal and C# difference?

Asked by 154115 in Microsoft Visual C#.Net, C# Programming Language, .NET

Tags: HyperTerminal, C#, C-sharp. C Sharp, .NET, Visual Studio 9, Serial, Port, RS485, RS232, Programming

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