I had one follow up question I was hoping you might be able to help me with. I am trying to bring in the accelerometer data from a wii remote into Grasshopper. I've got 2 lines in my Arduino code that prints 2 different lines, each with a number for the two directions of the accelerometer.
So, when I turn on the Serial Monitor... I get two numbers, each on their own line (which makes sense, because I'm using the println command)... However, when I read this data into Grasshopper... it combines both numbers into 1 larger number... so if my accx number = 172 and my accy number = 105, then the number that comes into Grasshopper is 172105. If they came into Grasshopper on 2 consecutive lines then I can split the list into 2 and isolate each number... but it's more difficult when the number is combined into one 6 digit number... Is there anything in the code that would be combining the 2 numbers into 1 line? Here is the code that we came up with.
Sub RunScript(ByVal StepNumber As Integer)
Select Case StepNumber
Print("Port has been opened")
'A = StoredValue
Print("Port has been closed")
#Region "Additional methods and Type declarations"
' I wrapped this in a class, but you would need to work it into the grasshopper class
Private WithEvents CPort As New IO.Ports.SerialPort 'port with events
Private TempBuffer As String = String.Empty 'holds the input between events until we get a new line
Private Delegate Sub HandleComPortDelegate() 'allows com port to run in a background thread without blocking
Private StoredValue As String = String.Empty 'holds value from port until you call for it
Sub OpenPort() 'called early in the app, before the port is ever needed. This attaches the port, and opens it to listen.
If CPort.IsOpen = False Then
CPort = My.Computer.Ports.OpenSerialPort("COM3", 9600)
Catch ex As Exception
'this would be better as a property, but I don't know how Grasshopper handles properties
Function GetValue() As String
'this is fired by the port when it has data
Private Sub CPort_DataReceived(ByVal sender As Object, ByVal e As System.IO.Ports.SerialDataReceivedEventArgs) Handles CPort.DataReceived
Dim HndlComPort As New HandleComPortDelegate(AddressOf HandleComPort) 'declare thread
HndlComPort.Invoke() ' invoke a new delegate to digest the events
Private Sub HandleComPort() 'background handler for com port
TempBuffer &= CPort.ReadExisting 'append into tempbuffer
If (Strings.Right(TempBuffer, 2) = vbCrLf) Then 'if end of item 'this may need to be changed, since Arduino's println may use cr or lf only. I can't remember at this point.
StoredValue = TempBuffer 'offload
TempBuffer = String.Empty 'reset
'should be called when the port is no longer needed.
Private Sub ClosePort()
If CPort IsNot Nothing Then
If CPort.IsOpen = True Then