Android Question Android 4.4.2 Raad Data ttyS0

Discussion in 'Android Questions' started by Jmendezc1971, May 11, 2019.

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  1. Jmendezc1971

    Jmendezc1971 New Member

    Hello
    a lot of time has passed. Did you solve this problem?
    I have a computer with android 4.4.2, this comes with 4 serial ports rs232 (I use ttyS6). It works very well only after running Serial_Port_Api (Console option). but if I do not run I can not read data by ttyS6. The code is:

    Sub Activity_Create(FirstTime As Boolean)
    ' '''coment THI NOT FUNTION : Result = Ph.Shell("stty -F /dev/ttyO0 115200 cs8 -parenb -cstopb -crtscts", Arh, StdOut, StdErr) ' set 115200,N,8,1 '' this no funtion
    sout = File.OpenOutput("","/dev/ttyS6",True) ' open serial output
    sinp = File.OpenInput("","/dev/ttyS6") ' open serial input
    ......
    ......

    Sub Timer2_Tick
    ''desde aqui serial

    Dim c, rxlen,vDes,vHas,i As Int
    timer2.Enabled = False

    rxlen = sinp.BytesAvailable ' check if bytes available on serial input Label5.Text = rxlen
    If rxlen > 0 Then
    sinp.ReadBytes(inpkt,0,rxlen) ' read pending characters For c = 0 To rxlen-1' build string from characters
    .......
    ........



    Juan
     
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