Solved

C# Ascii to Hex Conversion

Posted on 2010-08-18
4
849 Views
Last Modified: 2012-05-10
I have a serial message that I want to convert and re-transmit.

Input is 10 data bytes say..

byte[] bt_message = 0x38,0x38,0x30,0x31,0x30,0x30,0x30,0x31,0x46,0x46

This is equivalent to ASCI '8','8','0','1','0','0','0','1','F','F'


I want to combine these bytes in pairs and resend so I would have output string as 5 bytes...


0x88,0x01,0x00,0x01,0xFF


ie each output byte combined from two input hex bytes.

Any help apreciated.

Thanks
0
Comment
Question by:oddszone
4 Comments
 
LVL 18

Expert Comment

by:Anil Golamari
ID: 33465748
0
 

Author Comment

by:oddszone
ID: 33466069
Done it with following...Seems very convoluted but works !




string StrValue = "";
                                byte[] tx_data = new byte[data.Length / 2];

                                for (int nIdx = 0; nIdx < data.Length; nIdx += 2)
                                {
                                    StrValue  = System.Convert.ToChar(System.Convert.ToUInt32(String.Format("{0:x2}", data[nIdx]), 16)).ToString();
                                    StrValue += System.Convert.ToChar(System.Convert.ToUInt32(String.Format("{0:x2}", data[nIdx+1]), 16)).ToString();
                                    tx_data[nIdx / 2] = (byte)(Int32.Parse(StrValue, System.Globalization.NumberStyles.AllowHexSpecifier)); ;

                                }

Open in new window

0
 
LVL 7

Expert Comment

by:jdavistx
ID: 33466088
This seems pretty far from a good solution, but maybe it works?
byte[] input = {0x38,0x38,0x30,0x31,0x30,0x30,0x30,0x31,0x46,0x46};
byte[] output = new byte[5];

for(int i = 0; i < output.Length-1; i++)
	output[i] = Convert.ToByte(((char)input[i]).ToString() + ((char)input[i+1]).ToString());

Open in new window

0
 
LVL 42

Accepted Solution

by:
sedgwick earned 500 total points
ID: 33466175
byte[] bt_message = new byte[] { 0x38, 0x38, 0x30, 0x31, 0x30, 0x30, 0x30, 0x31, 0x46, 0x46 };            string bytes = Encoding.ASCII.GetString(bt_message);            List newBytes = new List(bytes.Length/2);            for (int i = 0; i < bytes.Length; i+=2)            {                newBytes.Add((byte)Convert.ToInt32(string.Format("{0}{1}", bytes[i], bytes[i + 1]), 16));            }
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Introduction                                                 Was the var keyword really only brought out to shorten your syntax? Or have the VB language guys got their way in C#? What type of variable is it? All will be revealed.   Also called…
Introduction Hi all and welcome to my first article on Experts Exchange. A while ago, someone asked me if i could do some tutorials on object oriented programming. I decided to do them on C#. Now you may ask me, why's that? Well, one of the re…
This video demonstrates how to create an example email signature rule for a department in a company using CodeTwo Exchange Rules. The signature will be inserted beneath users' latest emails in conversations and will be displayed in users' Sent Items…
Concerto provides fully managed cloud services and the expertise to provide an easy and reliable route to the cloud. Our best-in-class solutions help you address the toughest IT challenges, find new efficiencies and deliver the best application expe…

914 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

18 Experts available now in Live!

Get 1:1 Help Now