Android Question OBDII CONNECTION QUESTION

Discussion in 'Android Questions' started by Anastasios Michaelides, Apr 19, 2015.

  1. Anastasios Michaelides

    Anastasios Michaelides Member Licensed User

    Hello to all, I am new to B4A and i want to make a question.
    I am trying to make an application to connect with obdii, so far i managed to communicate with cars
    ecu to send commands and get response's. My issue is that the response's are in Hex and are containing
    for example 6 bytes(41 05 5A), from that bytes the first 4 (41 05) are not usable. The bytes after first 4 are containing the answer information(5A).
    Is there a way to get from every response the bytes after the first 4 and convert them to decimal ?
    Thank you in advance.
     
  2. raphaelcno

    raphaelcno Active Member Licensed User

    I understand that you have converted "41055A" to a string since you talk about 6 bytes and not 3.
    Then you can use this kind of code:
    Code:
    Dim S As String = "41055A"
    If S.Length >= 6 Then  ' Condition to avoid error when using SubString2(4, 6)
        Dim S2 As String = S.SubString2(46)  ' => S2 = "5A".
        Dim I As Int = Bit.ParseInt(S2, 16)  ' => I = 90 (= 0x5A)
    End If
    Help > Bit > ParseInt:
    http://www.b4x.com/android/help/core.html#bit_parseint
     
  3. Anastasios Michaelides

    Anastasios Michaelides Member Licensed User

    Thank you for your time I will try your code and I will inform you.
     
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