/// <summary>
///
/// </summary>
public virtual void Open(string i_path)
{
if (m_IsOpen)
{
Close();
}
m_HidPtr = LibHidAPI.hid_open_path(m_Address = i_path);
if (m_HidPtr == LibHidAPI.INVALID_HANDLE_VALUE)
{
if (m_OpenCallback != null)
{
m_OpenCallback.OnStreamOpenFailure(this);
}
}
else
{
m_IsOpen = true; s_NumHids++;
if (m_OpenCallback != null)
{
m_OpenCallback.OnStreamOpenSuccess(this);
}
// Open the read thread.
if (m_ReadCallback != null)
{
m_Thread = new Thread(ReadThread_Main);
m_Thread.IsBackground = true;
m_Thread.Priority = ThreadPriority.AboveNormal;
m_Thread.Start();
}
}
}
/// <summary>
///
/// </summary>
public override void Open()
{
//InitLibrary();
//
if (m_IsOpen)
{
Close();
}
//
if (!string.IsNullOrEmpty(m_Address))
{
if (LibHidAPI.Exists(m_Address))
{
Open(m_Address);
return;
}
}
if (m_DID == -1) //???
{
m_VID = m_PID = m_DID = 0;
}
else
{
}
Open(m_VID, m_PID, m_DID);
}
/// <summary>
///
/// </summary>
public virtual void Open(int vId, int pId, int dId = 0)
{
var list = LibHidAPI.EnumerateDevices(vId, pId);
if (dId < list.Count)
{
Open(list[dId].path);
}
}
/// <summary>
///
/// </summary>
public override int Write(byte[] buffer, int offset, int count)
{
if (!m_IsOpen)
{
return(-1);
}
System.IntPtr ptr = Marshal.AllocHGlobal(count); // Alloc
Marshal.Copy(buffer, offset, ptr, count); // Copy
LibHidAPI.hid_write(m_HidPtr, ptr, count); // Do
Marshal.FreeHGlobal(ptr); // Free
return(0);
}
/// <summary>
///
/// </summary>
public static int InitLibrary()
{
if (!s_Inited)
{
int ret = LibHidAPI.hid_init();
if (ret == 0)
{
s_Inited = true;
}
return(ret);
}
return(0);
}
/// <summary>
///
/// </summary>
public static int ExitLibrary()
{
//if(s_NumHids==0) {
if (s_Inited)
{
int ret = LibHidAPI.hid_exit();
if (ret == 0)
{
s_Inited = false;
}
return(ret);
}
//}
return(0);
}
/// <summary>
///
/// </summary>
public virtual int ReadTimeout(byte[] buffer, int offset, int count, int milliseconds)
{
if (!m_IsOpen)
{
return(0);
}
System.IntPtr ptr = Marshal.AllocHGlobal(count); // Alloc
int ret = LibHidAPI.hid_read_timeout(m_HidPtr, ptr, count, milliseconds); // Do
if (ret > 0)
{
Marshal.Copy(ptr, buffer, offset, ret); // Copy
}
Marshal.FreeHGlobal(ptr); // Free
return(ret);
}
/// <summary>
///
/// </summary>
public override void Close()
{
// Forcibly close the read thread.
if (m_Thread != null)
{
++m_ThreadLock;
m_Thread.Abort();
m_Thread = null;
}
// Forcibly set callbacks to null to avoid accessing callbacks in the read thread.
m_OpenCallback = null;
m_ReadCallback = null;
//
if (m_IsOpen)
{
if (m_HidPtr != LibHidAPI.INVALID_HANDLE_VALUE)
{
LibHidAPI.hid_close(m_HidPtr); m_HidPtr = LibHidAPI.INVALID_HANDLE_VALUE;
}
s_NumHids--; //ExitLibrary();
//
m_IsOpen = false;
}
}
/// <summary>
///
/// </summary>
public static List <LibHidAPI.hid_device_info> EnumerateDevices(int vId, int pId)
{
return(LibHidAPI.EnumerateDevices(vId, pId));
}
/// <summary>
///
/// </summary>
public static List <LibHidAPI.hid_device_info> EnumerateDevices()
{
return(LibHidAPI.EnumerateDevices(0, 0));
}
/// <summary>
///
/// </summary>
public static bool Exists(string path)
{
return(LibHidAPI.Exists(path));
}