Code covered by the BSD License  

Highlights from
ECG Waveform Simulator

ECG Waveform Simulator



The “ECG Waveform Simulator” program gives users the ability to easily create custom ECG waveforms.

function arbTo33500(ecgArb,arbName)
%This function inputs waveform points and name and sends it to a 33521A or 33522A function / arbitrary
%waveform generator. The function uses LAN to connect to the 33521A/33522A and queries user for the
%instruments IP addresss.

%Start talking to 33522A %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%Input IP address
IP_address = input('Enter IP address: ','S');

%create address string
vAddress = ['TCPIP0::',IP_address,'::inst0::INSTR'];

% Find a VISA-TCPIP object.
obj1 = instrfind('Type', 'visa-tcpip', 'RsrcName', vAddress, 'Tag', '');

% Create the VISA-TCPIP object if it does not exist
% otherwise use the object that was found.
if isempty(obj1)
    obj1 = visa('AGILENT', '');
    obj1 = obj1(1)

% Configure instrument object, obj1
set(obj1, 'InputBufferSize', 512);

% Configure instrument object, obj1
set(obj1, 'OutputBufferSize', 2000000);

% Connect to instrument object, obj1.

%get 3352xA info and print it
data1 = query(obj1, '*IDN?');
% print reply

%set the 3352xA to arb for channel 1
fprintf(obj1, 'SOUR1:FUNC ARB');

%Clear violatile memory for chan 1
command = 'SOUR1:DATA:VOL:CLE';

%set byte order for bin block data
fprintf(obj1,'FORM:BORD SWAP');

%Send ECG to 3352xA using binblock for better efficency
commandName = ['SOURce1:DATA:ARBitrary ',arbName,', '];
binblockwrite(obj1, ecgArb, 'float32', commandName);

%select arb in volatile memmory 
commandName = ['SOUR1:FUNC:ARB "',arbName,'"'];
fprintf(obj1, commandName);
%store each ECG waveform in intermal NV memory
commandName = ['MMEM:STOR:DATA1 "INT:\',arbName,'.arb"'];
fprintf(obj1, commandName);

%set sample rate
fprintf(obj1, 'SOUR1:FUNC:ARB:SRAT 10000');

%set output impedence to high Z
fprintf(obj1, 'OUTP1:LOAD INF');

%set output amplitude on channel
fprintf(obj1, 'SOUR1:VOLT 1 VPP');
%set output filter to off
fprintf(obj1, 'SOUR1:FUNC:ARB:FILT OFF');
%turn output on
fprintf(obj1, 'OUTP1 ON');

%check for error
data1 = query(obj1,'SYST:ERR?');
% print reply

%Disconnect from instrument object, obj1.

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