Interfacing custom software with the Fusion Brain

2k1Toaster · 05-01-2008, 05:00 PM

The Fusion Brain interfaces with the computer using USB. To get the datastream to start flowing, you must initialize the device first, then you can send and receive data packets, and when you are done with the device you must free it.

The data packets are 64 bytes in length, and information on the encoding of the byte stream can be found here: http://www.mp3car.com/vbulletin/docu...-protocol.html

2k1Toaster · 05-01-2008, 05:05 PM

1.) Call FUSB_Initialize() --. pFusionUSB is the Uint32 pointer to the USB handle. It is 0 when not initialized. deviceID is the full string of the PID/VID including the hardware ID. instanceNumber should be 0. If it returns true, it was initialized successfully.

2.) Call FUSB_Send() and FUSB_Receive(). FUSB_Send takes an array of 64 bytes. FUSB_Receive returns an array of bytes 64 long.

3.) Once you are all done, call FUSB_Free() and pass in the pointer you used to initialize to free it. If it returns 0, then it was freed successfully.

Code:

public static class FusionUSB
        {

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern bool FUSB_Initialize(ref UInt32 pFusionUSB, String deviceID, UInt32 instanceNumber);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern bool FUSB_Receive(UInt32 pFusionUSB, byte[] buffer);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern bool FUSB_Send(UInt32 pFusionUSB, byte[] buffer);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern UInt32 FUSB_Free(ref UInt32 pFusionUSB);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern bool FUSB_printf(UInt32 pFusionUSB);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern UInt32 FUSB_GetWinUSBerror(UInt32 pFusionUSB);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern UInt32 FUSB_GetFUSBstatus(UInt32 pFusionUSB);

            [System.Runtime.InteropServices.DllImport("FusionUSB.dll")]
            public static extern String FUSB_GetDeviceInstanceID(UInt32 pFusionUSB);

        }

2k1Toaster · 05-01-2008, 05:12 PM

I converted the code you posted to VB. For future reference for anyone else, here is what that looks like:

Code:

Public Class UCSettingsIO
    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_Initialize(ByRef pFusionUSB As UInt32, ByVal deviceID As String, ByVal instanceNumber As UInt32) As Boolean
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_Receive(ByVal pFusionUSB As UInt32, ByVal buffer As Byte()) As Boolean
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_Send(ByVal pFusionUSB As UInt32, ByVal buffer As Byte()) As Boolean
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_Free(ByRef pFusionUSB As UInt32) As UInt32
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_printf(ByVal pFusionUSB As UInt32) As Boolean
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_GetWinUSBerror(ByVal pFusionUSB As UInt32) As UInt32
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_GetFUSBstatus(ByVal pFusionUSB As UInt32) As UInt32
    End Function

    <System.Runtime.InteropServices.DllImport("FusionUSB.dll")> _
    Public Shared Function FUSB_GetDeviceInstanceID(ByVal pFusionUSB As UInt32) As String
    End Function


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim thefbinstid As String = FUSB_GetDeviceInstanceID(0)
        MsgBox(thefbinstid)
    End Sub
End Class