classdef Trigger
    %TRIGGER Summary of this class goes here
    %   Detailed explanation goes here
    
    properties (Hidden, Access = private)
        scope
    end
    
    properties (Dependent)
        mode
        type
        source
        slope
        level
        coupling
    end
    
    methods
        function tr = Trigger(scope)
            tr.scope = scope;
        end
        
        function s = get.mode(tr)
            s = tr.gettrig('mode?');
        end
        
        function s = get.type(tr)
            s = tr.gettrig('type?');
        end
        
        function s = get.source(tr)
            s = tr.gettrig('sour?');
        end
        
        function s = get.level(tr)
            s = tr.gettrig(['LEV',tr.trigsource,'?']);
        end
        
        function s = get.coupling(tr)
            s = tr.gettrig('EDGE:COUP?');
        end
        
        function tr = set.mode(tr,string)
            tr.settrig(['mode ',string]);
        end
        
        function tr = set.type(tr,string)
            tr.settrig(['type ',string]);
        end
        
        function tr = set.source(tr,string)
            tr.settrig(['sour ',string]);
        end
        
        function tr = set.level(tr,level)
            tr.settrig(['LEV',tr.trigsource,' ',num2str(level)]);
        end
        
        function tr = set.coupling(tr,string)
            tr.settrig(['EDGE:COUP ',string]);
        end
        
        
    end
    
    methods (Hidden, Access = private)
        function c = gettrig(tr,string)
            c = tr.scope.query(['TRIG:A:',string]);
        end
        
        function settrig(tr,string)
            tr.scope.write(['TRIG:A:',string]);
        end
        
        function c = MEAS(ch,string)
            c = ch.scope.query(['MEAS',num2str(ch.channelnumber),':RES:ACT?',string]);
        end
        
        function c = CHANsend(ch,string,in)
            c = ['CHAN',num2str(ch.channelnumber),':',string,' ',in];
        end
        
        function src = trigsource(tr)
            src = tr.source;
            channel = regexp(src,'(?<=CH)[1-4]','match','once');
            if ~isempty(channel)
                src = channel;
            elseif strcmp(src,'EXT')
                src = '5';
            else
                error('Cannot get a trigger level for these settings. Try to switch the trigger source to a channel or external');
            end
        end
    end
    
end