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Nathan Chordas-Ewell
2026-02-23 01:57:06 -05:00
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parent dbed5941f7
commit 7f957861a0
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242
Agilent34405A.m Normal file
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%SDM3055 multimeter
classdef Agilent34405A
properties
visaAddress;
v;
sampleCount;
state = Agilent34405AStates.DCV; %Default to DCV
numSamples = 512; %Default to 10
triggerCount = 8; %Default to 1
end
methods
function obj = Agilent34405A()
obj.visaAddress = obj.findAddress();
obj.v = visa('ni', obj.visaAddress);
obj.v.EOSMode = 'read&write';
obj.v.EOSCharCode = 'LF';
obj.sampleCount = 10;
if (isvalid(obj.v) == 0)
obj.deInit();
error('Cannot instantiate Agilent 34405A');
end
fopen(obj.v);
fprintf(obj.v, '*SYST:REM');
fprintf(obj.v, "SYST:BEEP:STAT 0");
end
function conf = getCurrentConfig(obj)
fprintf(obj.v, 'CONF?');
conf = fscanf(obj.v);
end
function vdc = readDCV(obj)
if obj.state ~= Agilent34405AStates.DCV
obj.setState(Agilent34405AStates.DCV);
end
% obj.setState(Agilent34405AStates.DCV);
% obj.setSampleCount;i 8
% obj.setTriggerCount;
% fprintf(obj.v, "SYST:BEEP:STAT 0");
fprintf(obj.v, 'READ?');
vdc = str2double(fscanf(obj.v));
end
function vdc = readACV(obj)
if obj.state ~= Agilent34405AStates.ACV
obj.setState(Agilent34405AStates.ACV);
end
fprintf(obj.v, 'READ?');
vdc = str2double(fscanf(obj.v));
end
function I = readDCI(obj)
if obj.state ~= Agilent34405AStates.DCI
obj.setState(Agilent34405AStates.DCI);
end
fprintf(obj.v, 'READ?');
I = str2double(fscanf(obj.v));
end
function I = readACI(obj)
if obj.state ~= Agilent34405AStates.ACI
obj.setState(Agilent34405AStates.ACI);
end
fprintf(obj.v, 'READ?');
I = str2double(fscanf(obj.v));
end
function T = readTemp(obj)
if obj.state ~= Agilent34405AStates.TEMP
obj.setState(Agilent34405AStates.TEMP);
end
fprintf(obj.v, 'READ?');
T = str2double(fscanf(obj.v));
end
function r = read2WRes(obj)
if obj.state ~= Agilent34405AStates.R2W
obj.setState(Agilent34405AStates.R2W);
end
fprintf(obj.v, 'READ?');
r = str2double(fscanf(obj.v));
end
function c = readCont(obj)
if obj.state ~= Agilent34405AStates.CONT
obj.setState(Agilent34405AStates.CONT);
end
fprintf(obj.v, 'READ?');
c = str2double(fscanf(obj.v));
end
function d = readDiode(obj)
if obj.state ~= Agilent34405AStates.DIODE
obj.setState(Agilent34405AStates.DIODE);
end
fprintf(obj.v, 'READ?');
d = str2double(fscanf(obj.v));
end
function c = readCapacitance(obj)
if obj.state ~= Agilent34405AStates.CAP
obj.setState(Agilent34405AStates.CAP);
end
fprintf(obj.v, 'READ?');
c = str2double(fscanf(obj.v));
end
function f = readFrequency(obj)
if obj.state ~= Agilent34405AStates.FREQ
obj.setState(Agilent34405AStates.FREQ);
end
fprintf(obj.v, 'READ?');
f = str2double(fscanf(obj.v));
end
function f = readPeriod(obj)
if obj.state ~= Agilent34405AStates.PERIOD
obj.setState(Agilent34405AStates.PERIOD);
end
fprintf(obj.v, 'READ?');
f = str2double(fscanf(obj.v));
end
function s = scan(obj)
if obj.state ~= Agilent34405AStates.SCAN
obj.setState(Agilent34405AStates.SCAN);
end
fprintf(obj.v, 'READ?');
s = str2double(fscanf(obj.v));
end
function setScale(obj, state, range)
%Use: obj.setScale(SDM3055States.STATE, [min max]);
strToWrite = strcat(['CONF:' state, ' ' num2str(range(2)) ',' num2str(range(1))]);
fprintf(obj.v, strToWrite);
clear strToWrite;
end
function setTriggerSource(obj, source)
stringToWrite = strcat(['TRIG:SOUR ' source]);
fprintf(obj.v, stringToWrite);
clear stringToWrite;
end
function setLocal(obj)
fprintf(obj.v, 'SYST:LOC');
end
function retVal = sendCommand(obj, command)
if contains(command, '?') == 1
fprintf(obj.v, command);
retVal = fscanf(obj.v);
else
fprintf(obj.v, command);
retVal = 0;
end
end
function setState(obj, state)
obj.state = state;
if isvalid(obj.v) == 1
fprintf(obj.v, strcat('CONF:', obj.state));
else
error('Agilent 34405A object not valid');
end
end
function setSampleCount(obj)
fprintf(obj.v, strcat('SAMP:COUN ', num2str(obj.sampleCount)));
end
function setTriggerCount(obj)
fprintf(obj.v, strcat('TRIG:COUN ', num2str(obj.triggerCount)));
end
function config = getConfig(obj)
fprintf(obj.v, 'CONF?');
config = fscanf(obj.v);
end
function setBeep(obj, beep)
switch(beep)
case true
fprintf(obj.v, 'SYST:BEEP:STAT:ON');
case false
fprintf(obj.v, 'SYST:BEEP:STAT:OFF');
end
end
function reset(obj)
fprintf(obj.v, '*RST');
end
function selfTest(obj)
fprintf(obj.v, '*TST?');
retStr = fscanf(obj.v);
ret = str2double(retStr);
if(ret == 0)
disp(['No errors found in self-test, code:' num2str(ret)]);
else
disp(['Error code: ' num2str(ret)]);
end
end
function t = approxTime(obj, stat)
tic;
obj.setState(stat);
obj.setSampleCount();
obj.setTriggerCount();
fprintf(obj.v, 'READ?');
fscanf(obj.v);
t = toc;
end
function bool = deInit(obj)
if(isvalid(obj.v) == 1)
fprintf(obj.v, 'SYST:LOC');
obj.reset();
fclose(obj.v);
delete(obj.v);
clear obj.v;
bool = 1;
else
bool = 0;
end
end
end
methods (Static)
function address = findAddress()
info = instrhwinfo('visa','ni');
name = info.ObjectConstructorName{1};
addressCell = extractBetween(name,'USB', 'INSTR', 'Boundaries', 'inclusive');
address = addressCell{1};
end
end
end