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07.18.2007 at 10:26AM PDT, ID: 22704832
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7.8

C#, converting BCD array to numbers

Asked by CantonMarko in C# Programming Language

Tags:

I have a project that I am working on that requires me to read data in through a serial port and then process it.  I am able to read the data in, however, it is in BCD format and I am not sure how to translate the data into numbers.  

I read the port like this:
  if (receivedData.Length < 25)
            {
               //receivedData += serialPort1.ReadLine();
                while (receivedData.Length < serialPort1.ReceivedBytesThreshold)
                {
                    receivedData = receivedData + serialPort1.ReadLine();
                    if (receivedData == "")
                    {
                       
                    }
                }
            }
receivedData becomes a 24 byte array.  From there I have to be able to read the first 11 bytes of data, as well as the 17th and 18th byte.  I am able to read 17 and 18 but have no clue as to how to read and dicypher 1 through 11.

I am reading 17 this way:

lblFbLast.Text = Strings.Chr((Strings.Asc(receivedData.Substring(17, 2)) / 16) | 48).ToString() + Strings.Chr((Strings.Asc(receivedData.Substring(17, 1)) % 16) | 48).ToString();

And I read 18 this way:

lblFbBall.Text = Strings.Chr((Strings.Asc(receivedData.Substring(18, 2)) / 16) | 48).ToString() + Strings.Chr((Strings.Asc(receivedData.Substring(18, 1)) % 16) | 48).ToString();

But I have to read the first ten bytes and put them into a string that I can display and commit to a database.  I am clueless when it comes to this stuff.  Any help you can offer will be appreciated.

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About this solution

Zone: C# Programming Language
Tags: bcd
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Solution Provided By: JimBrandley
Participating Experts: 2
Solution Grade: A
 
 
 
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