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Byte 2 ASCII

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Hi @all,

I have a problem with the string-class. I want to do the following:
The user gives me a string, which he wants to send. Then my class will append (at the very beginning) a preamble. The user was allowed to choose the preamble himself. It consists of 8 Bit, so I have elected the byte-Type for this.
For test purposes, I have printed the whole byte, binary and decimal, and it works.

Now, I want to append this byte at the beginning, but I don't know, how I can achieve this.
For example, if the decimal value ist 48, there should be an zero, because 48 is zero in ASCII table.

Thank you very much for your help!
Sebastian


Originally posted in cdnusers.org by sebastian
Parents

  • Hi @all, me again.

    I have solved a lot of problems and now, I have a common question.
    I want to send a paket, consisting of bytes (text, numbers, whatever the user wants) and do some processing around different classes, The objects of the classes are connected with each other with mailboxes.
    But I'm not quite sure, which type I sall take for the paket, because I want to do things like data whitening and so on. Formerly I thougt, that the string-type would be the right tpye, but if you do string.getc(), it returns an integer, But I want to do processing bytewise and with the given context (device under test) I have to assume, that it must be bytes. Can you tell me, if I can ignore the 3 upper bytes and just take the lower bytes? Or is it better to take a dynamic array with the type byte?

    Thanks for your help!
    Sebastian


    Originally posted in cdnusers.org by sebastian
Reply

  • Hi @all, me again.

    I have solved a lot of problems and now, I have a common question.
    I want to send a paket, consisting of bytes (text, numbers, whatever the user wants) and do some processing around different classes, The objects of the classes are connected with each other with mailboxes.
    But I'm not quite sure, which type I sall take for the paket, because I want to do things like data whitening and so on. Formerly I thougt, that the string-type would be the right tpye, but if you do string.getc(), it returns an integer, But I want to do processing bytewise and with the given context (device under test) I have to assume, that it must be bytes. Can you tell me, if I can ignore the 3 upper bytes and just take the lower bytes? Or is it better to take a dynamic array with the type byte?

    Thanks for your help!
    Sebastian


    Originally posted in cdnusers.org by sebastian
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