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mayaanu
mayaanu
Last Activity: May 26 '10, 07:00 AM
Joined: May 10 '10
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  • mayaanu
    replied to Serial port buffer is having old data(data from the previous run)
    in C Sharp
    the code snippet is as follows
    Code:
    //for opening the port on a button click

if (serialPort3.IsOpen)
     {
         serialPort3.Close();    
     }
     else
     {          
             serialPort3.Open();
     }


private void serialPort3_DataReceived(object sender, SerialDataReceivedEventArgs e)
 {
     Control.CheckForIllegalCrossThreadCalls
    ...
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    Last edited by tlhintoq; May 26 '10, 08:52 AM. Reason: [CODE] your code here [/CODE] tags added

      Leave a comment:

    • mayaanu
      started a topic Serial port buffer is having old data(data from the previous run)
      in C Sharp

      Serial port buffer is having old data(data from the previous run)

      I have developed a GUI based application in C# for communicating with a 16 bit littleendian microcontroller device .the device has a serial port interface.

      1.my appplication opens a COM port on which the device is connected with proper settings for the device.
      2.It writes a command to the port.
      3.datareceived event of the serial port reads the data in to a byte array.
      3.i have closed the serialport using close() method...
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      • mayaanu
        started a topic converting a 2 bytes hexadecimal value to an integer
        in C Sharp

        converting a 2 bytes hexadecimal value to an integer

        Hai
        I am writing an application that reads the data from the serial port in to a byte array(example bf).I had converted the byte array to string using
        string s=Bitconverter. Tostring(bf)
        Now i want to get an integer value from 0th and 1st bytes in bytearray.
        the values that comes in my bytearray are
        bf[0]=165
        bf[1]=03
        when it is converted to string it will be A503
        i need an integer from bf[0]...
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