Sub Class_Globals
Private SerialOut As OutputStream
Private SerialIn As InputStream
Private astream As AsyncStreams
Private phone As Phone
Private mConnuri As String
Private mPortspeed As String
Private mCallback As Object
Private mEvent As String
Dim Response, Error As StringBuilder
Dim SerialTimer1 As Timer
Dim RestData As String
End Sub
Public Sub Initialize(Callback As Object, EventName As String, PortSpeed As String, URI As String)
Log("Initializing Uart serial " )
sb.Initialize
mCallback = Callback
mEvent = EventName
mPortspeed = PortSpeed
mConnuri = URI
Log("Callback " & Callback )
Log("Event Name " & EventName )
Log("Port Name " & mConnuri )
Log("Port speed " & PortSpeed )
Response.Initialize
Error.Initialize
phone.Shell("stty -F " & mConnuri & " " & mPortspeed & " cs8 -parenb -cstopb -crtscts", Null, Response, Error)
Log("Response : " & Response)
Log("Error : " & Error)
Log(" ")
End Sub
Public Sub start
Log("Starting Uart serial " )
SerialIn = File.OpenInput("",mConnuri) ' open serial input
SerialOut = File.OpenOutput("",mConnuri,True) ' open serial output
astream.Initialize(SerialIn,SerialOut,"Astream")
UartState = True
SerialTimer1.Initialize("SerialTimer1",30)
End Sub
Public Sub Disconnect
astream.Close
UartState = False
End Sub
Private Sub Astream_Error
Log ("AStream_Error")
Try
astream.Close
UartState = False
If SubExists(mCallback, mEvent & "_Error") Then
CallSub2(mCallback, mEvent & "_Error", "Astream error")
End If
Catch
Log(LastException)
End Try
End Sub
Private Sub Astream_Terminated
Log ("AStream_Terminated")
If SubExists(mCallback, mEvent & "_Error") Then
CallSub2(mCallback, mEvent & "_Error", "Astream Terminated")
End If
End Sub
Private Sub Astream_NewData (Buffer() As Byte)
SerialTimer1.Enabled = False
Try
Dim Recdata As String
Recdata = BytesToString(Buffer, 0, Buffer.Length, "UTF8")
RestData = RestData & Recdata
Catch
Log(LastException)
End Try
SerialTimer1.Enabled = True
End Sub
Private Sub SerialTimer1_Tick
SerialTimer1.Enabled = False
If SubExists(mCallback, mEvent & "_DataRecived") Then
CallSub2(mCallback, mEvent & "_DataRecived", RestData)
End If
RestData = ""
End Sub
Public Sub WriteData(data As String)
Log("Sending Serial data " & data )
File.WriteString("","/dev/user_external_tty",data)
End Sub
