/// <summary>
/// check session status
/// </summary>
/// <returns>session status</returns>
public bool is_prepared ()
{
int[] res = new int[1];
int ec = BoardControllerLibrary.is_prepared(res, board_id, input_json);
if (ec != (int)CustomExitCodes.STATUS_OK)
{
throw new BrainFlowException(ec);
}
return res[0] != 0;
}