Code covered by the BSD License  

Highlights from
CO2gui - lab control and automation

CO2gui - lab control and automation

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06 Jan 2010 (Updated )

Software used for controlling and data logging lab equipment.

rheodyne232objdisconnect(serialObject)
function rheodyne232objdisconnect(serialObject)
% RHEODYNE232OBJDISCONNECT terminates communication with Rheodyne valves
% rheodyne232objdisconnect(serialObject) terminates communication with
% Rheodyne valves, given serialObject as a valid Rheodyne serial object
% (generated by rheodyne232obj).

% e.g. rheodyne232objdisconnect(rheodyne232obj(5)) - terminates
% communication with the Rheodyne valve attached to COM5.

% Range:

% serialObject = valid serial port object


% checks the number of arguments
error(nargchk(1, 1, nargin))

% error handling
if ~isserial(serialObject) || (~isfield(serialObject.UserData, 'realTermHandle') && ~isrunning(serialObject))
    % errors if the realterm handle isn't there, and the serial object is
    % closed
    error('serial must be a valid open serial object.')
    
elseif isfield(serialObject.UserData, 'realTermHandle') && ~isrunning(serialObject.UserData.realTermHandle)
    % errors
    error('The realterm application must be connected.')
    
elseif isfield(serialObject.UserData, 'realTermHandle') && (~isfield(serialObject.UserData, 'captureFileID') || ~isfid(serialObject.UserData.captureFileID))
    % if using realterm, the capture file ID must be there
    error('If using Realterm, the capture file handle must be in the serial object''s UserData.')
end

% if the timer object is present, stop then delete it
if isfield(serialObject.UserData, 'timerObject')
    % if its running, stop it
    if isrunning(serialObject.UserData.timerObject)
        % stop it
        stop(serialObject.UserData.timerObject)
    end
    
    % delete it
    delete(serialObject.UserData.timerObject)
end

% if the real term handle is there, do a different sequence of events
if isfield(serialObject.UserData, 'realTermHandle')
    % run the real term closer
    realtermfclose(serialObject.UserData.realTermHandle, serialObject.UserData.captureFileID)

else
    % closes communication conventionally
    fclose(serialObject)
end

% deletes it
delete(serialObject)

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