//----
tBT_CONN_STATS GetConnectionStats()
{
tBT_CONN_STATS stats = new tBT_CONN_STATS();
SPP_CLIENT_RETURN_CODE ret = _singleThreader.AddCommand(
new WidcommPortSingleThreader.MiscReturnCommand <SPP_CLIENT_RETURN_CODE>(
() => NativeMethods.SppClient_GetConnectionStats(_pSppCli,
out stats, Marshal.SizeOf(stats))
)).WaitCompletion();
if (ret != SPP_CLIENT_RETURN_CODE.SUCCESS)
{
throw WidcommSppSocketExceptions.Create(ret, "GetConnectionStats");
}
return(stats);
}
public int GetRssi(byte[] bd_addr)
{
Debug.Assert(bd_addr.Length == WidcommStructs.BD_ADDR_LEN, "bd_addr.Length: " + bd_addr.Length);
tBT_CONN_STATS stats = new tBT_CONN_STATS();
bool success = NativeMethods.BtIf_GetConnectionStats(m_pBtIf, bd_addr,
out stats, Marshal.SizeOf(stats));
if (!success)
{
// Occurs mostly. Apparently a connection must exist for Rssi to
// be read, both from observation and from the Widcomm docs:
// "TRUE, if a connection attempt has been initiated; FALSE, if
// a connection attempt has not been initiated"
return(int.MinValue);
}
else
{
return(stats.rssi);
}
}
internal static extern SPP_CLIENT_RETURN_CODE SppClient_GetConnectionStats(
IntPtr pObj, out tBT_CONN_STATS pStats, int cb);
internal static extern bool BtIf_GetConnectionStats(IntPtr pObj,
byte[] bdAddr, out tBT_CONN_STATS pStats, int cb);
