classdef Oscilloscope < Equipment
    %OSCILLOSCOPE Summary of this class goes here
    %   Detailed explanation goes here
    
    properties
        nchannels
        horizontalPosition
        timescale
        ch1
        ch2
        ch3
        ch4
        trigger
        acquisition
    end
    
    methods
        function sc = Oscilloscope(ipAddress,port,nchannels)
            %OSCILLOSCOPE Construct an instance of this class
            %   Detailed explanation goes here
            sc@Equipment(ipAddress,port,-1);
            sc.trigger = Trigger(sc);
            for i = 1:nchannels
                sc.(['ch',num2str(i)]) = Channel(sc,i);
            end
        end
        
        function data = waveform(ch,cha)
            ch.scope.clear;
            ch.scope.write('CHAN1:TYPE HRES');
            ch.scope.write('FORM REAL');
            ch.scope.write('FORM:BORD MSBF');
            ch.scope.write('CHAN1:DATA:POIN DEF');
            ch.scope.write('SING');
            header = str2num(ch.scope.query('CHAN1:DATA:HEAD?'));
            ch.scope.write_unsafe('CHAN1:DATA?');
            prefixstring = fscanf(ch.scope.tcp,'%c',2);
            prefixlength = str2double(prefixstring(2));
            datalength = fscanf(ch.scope.tcp,'%c',prefixlength);
            data = fread(ch.scope.tcp,header(3),'float');
            flushinput(ch.scope.tcp);
        end
    end
end