| gclib 1.35.5 Communications API for Galil controllers and PLCs |

Vector_Mode.vb
1 Partial Public Module Examples
2 Public Function Vector_Mode(gclib As Gclib, file As String) As Integer
3 gclib.GCommand("ST") 'Stop all motors
4 gclib.GCommand("SH AB") 'Set servo here
5 gclib.GCommand("DP 0,0") 'Start position at absolute zero
6
7 gclib.GCommand("CAS") 'Defines S As active coordinate system
8 gclib.GCommand("VS 20000") 'Defines vector speed
9 gclib.GCommand("VA 200000") 'Defines vector acceleration
10 gclib.GCommand("VD 200000") 'Defines vector decelerlation
11 gclib.GCommand("VM AB") 'Begin vector segment
12
13 Using reader As System.IO.StreamReader = New System.IO.StreamReader(file)
14 'Stores the available space of the vector buffer in the capacity variable
15 Dim capacity = gclib.GCmdI("MG _LMS")
16 Load_Buffer(gclib, reader, capacity)
17
18 Console.WriteLine("Begin Motion")
19 gclib.GCommand("BG S")
20
21 Do 'Load buffer with more commands
22 System.Threading.Thread.Sleep(100)
23
24 'Stores the available space of the vector buffer in the capacity variable
25 capacity = gclib.GCmdI("MG _LMS")
26 Loop While Load_Buffer(gclib, reader, capacity)
27
28 gclib.GCommand("VE") 'Segment End
29 gclib.GMotionComplete("S")
30 Console.WriteLine("Motion Complete")
31
32 Return GALIL_EXAMPLE_OK
33 End Using
34 End Function
35
36 Private Function Load_Buffer(gclib As Gclib, reader As System.IO.StreamReader, capacity As Integer) As Boolean
37 Dim s_cmd As String = ""
38 'Fully load the vector buffer leaving room for one VE command
39 For i = capacity To 1 Step -1
40 'If there Is another line of the text file
41 If reader.Peek() >= 0 Then
42 s_cmd = reader.ReadLine()
43 'Run the command on each line of the text file
44 gclib.GCommand(s_cmd)
45 Else
46 Return False
47 End If
48 Next
49
50 Return True
51 End Function
52 End Module