classdef Equipment < handle
    %EQUIPMENT Summary of this class goes here
    %   Detailed explanation goes here
    
    properties (SetAccess=private)
        name
        tcp
        channel
    end
    
    methods
        function DMM = equipment(name,connection,channel)
            DMM.name = name;
            DMM.tcp = tcpip(connection,1234);
            DMM.channel = channel;
        end
        function idn(DMM)
            fprintf(DMM.tcp,['++addr ',num2str(DMM.channel)]);
            fprintf(DMM.tcp,'*idn?');
            fprintf(DMM.tcp,'++read');
            fprintf(fscanf(DMM.tcp));
        end
        function starttcp(DMM)
            fopen(DMM.tcp);
        end
    end
    methods (Static)
        function getTCP(ipAddress)
            persistent stored_ipaddress;
            if ~isempty(stored_ipaddress)
                ipaddress = stored_ipaddress;
                return
            end
        end
    end
    
    
end

% classdef BankAccount < handle
%    properties (Access = ?AccountManager)
%       AccountStatus = 'open'
%    end
%    properties (SetAccess = private)
%       AccountNumber
%       AccountBalance
%    end
%    properties (Transient)
%       AccountListener
%    end
%    events
%       InsufficientFunds
%    end
%    methods
%       function BA = BankAccount(accNum,initBal)
%          BA.AccountNumber = accNum;
%          BA.AccountBalance = initBal;
%          BA.AccountListener =  AccountManager.addAccount(BA);
%       end
%       function deposit(BA,amt)
%          BA.AccountBalance = BA.AccountBalance + amt;
%          if BA.AccountBalance > 0
%             BA.AccountStatus = 'open';
%          end
%       end
%       function withdraw(BA,amt)
%          if (strcmp(BA.AccountStatus,'closed')&& BA.AccountBalance <= 0)
%             disp(['Account ',num2str(BA.AccountNumber),' has been closed.'])
%             return
%          end
%          newbal = BA.AccountBalance - amt;
%          BA.AccountBalance = newbal;
%          if newbal < 0
%             notify(BA,'InsufficientFunds')
%          end
%       end
%       function getStatement(BA)
%          disp('-------------------------')
%          disp(['Account: ',num2str(BA.AccountNumber)])
%          ab = sprintf('%0.2f',BA.AccountBalance);
%          disp(['CurrentBalance: ',ab])
%          disp(['Account Status: ',BA.AccountStatus])
%          disp('-------------------------')
%       end
%    end
%    methods (Static)
%       function obj = loadobj(s)
%          if isstruct(s)
%             accNum = s.AccountNumber;
%             initBal = s.AccountBalance;
%             obj = BankAccount(accNum,initBal);
%          else
%             obj.AccountListener = AccountManager.addAccount(s);
%          end
%       end
%    end
% end