[Mono-list] SerialPortTest

[Orfeo]

sojan wrote:
> 
> the code is as follows please have a look
> 
> using System;
> using System.IO.Ports;
>  
> public class SerialPortTest
> {
> 	public static void Main(string[] args)
> 	{
> 		SerialPortTest myTest = new SerialPortTest();
> 		myTest.Test();
> 	}
>  
> 	private SerialPort mySerial;
>  
> 	// Constructor
> 	public SerialPortTest()
> 	{
> 	}
>  
> 	public void Test()
> 	{
> 		if (mySerial != null)
> 			if (mySerial.IsOpen)
> 				mySerial.Close();
>  
> 		mySerial = new
> SerialPort("/dev/ttyS0",9600,System.IO.Ports.Parity.None,8,System.IO.Ports.StopBits.One);
> 		mySerial.Open();
> 		mySerial.ReadTimeout = 400;
> 		SendData("ATI3\r");
>  
>                 // Should output some information about your modem
> firmware
> 		Console.WriteLine(ReadData());  
> 	}
>  
> 	public string ReadData()
> 	{
> 		byte tmpByte;
> 		string rxString = "";
> 			
> 		tmpByte = (byte) mySerial.ReadByte();
>  
> 		while (tmpByte != 255) {
> 			rxString += ((char) tmpByte);
> 			tmpByte = (byte) mySerial.ReadByte();			
> 		}
> 	
> 		return rxString;
> 	}
>  
> 	public bool SendData(string Data)
> 	{
> 		mySerial.Write(Data);
> 		return true;		
> 	}
> }
> 
> 
> Orfeo wrote:
>> 
>> 
>> sojan wrote:
>>> 
>>> I  got a sample code for serial port communication.
>>> i compiled the code using gmcs Serialport.cs
>>> 
>>> when i execute the exe as mono Serialport.exe
>>> 
>>> getting the following exception
>>> 
>>> Unhandled Exception: System.IO.IOException: I/O Error
>>>   at System.IO.Ports.SerialPortStream..ctor (System.String portName,
>>> Int32 baudRate, Int32 dataBits, Parity parity, StopBits stopBits,
>>> Boolean dtrEnable, Boolean rtsEnable, Handshake handshake, Int32
>>> readTimeout, Int32 writeTimeout, Int32 readBufferSize, Int32
>>> writeBufferSize) [0x00000] 
>>>   at (wrapper remoting-invoke-with-check)
>>> System.IO.Ports.SerialPortStream:.ctor
>>> (string,int,int,System.IO.Ports.Parity,System.IO.Ports.StopBits,bool,bool,System.IO.Ports.Handshake,int,int,int,int)
>>>   at System.IO.Ports.SerialPort.Open () [0x00000] 
>>>   at (wrapper remoting-invoke-with-check)
>>> System.IO.Ports.SerialPort:Open ()
>>>   at SerialPortTest.Test () [0x00000] 
>>>   at SerialPortTest.Main (System.String[] args) [0x00000] 
>>> 
>>> help me to solve this 
>>> thanks in advance
>>> 
>> 
>> How did you open the port?
>> 
>> In linux you must use "/dev/ttyS0" as port name:
>> -----
>> 
>> System.IO.Ports.SerialPort serialport = new
>> System.IO.Ports.SerialPort("/dev/ttyS0",
>>     br,
>>     System.IO.Ports.Parity.None,
>>     8,
>>     System.IO.Ports.StopBits.One);
>> ------
>> 
>> 
>> 
> 
> 

Well, the code seems correct: are you belong to uccp group?

$>cat /etc/group| grep yourname
$>uucp:x:14:yourname
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