%Receive a response packet from an RS-232 communications object.
%    [PACKET,STATUS] = COM_RECV(HANDLE,LENGTH);
%
%   Input Parameters:
%   ================
%
%      handle ------------> I/O object handle (positive integer).
%      length ------------> Packet length to receive (positive integer).
%
%   Output Parameters:
%   =================
%
%      packet ------------> Response packet (string).
%      status ------------> Success status (-1 = error, +1 = success).
%
%   See also COM_OPEN, COM_CLOSE, COM_SEND.

% Stephan Hengstler
% Stanford Wireless Sensor Networks Lab
% January 05, 2005
%
% Last modified: 01-22-2005
% .MEX C Source: com_recv.c