Data Acquisition with ADLINK DAQe-2006

Hi MATLAB Community,

I am having difficulty acquiring data with the ADLINK card. This is my setup.

%%Capture a Single Analog Input Signal
ai_device = analoginput('mwadlink', 0)% Opens the analog input functionality
ai0 = addchannel(ai_device, 0)%Add channel #0 to ai_device
ai1 = addchannel(ai_device, 1)%Add channel #1 to ai_device
%%Single Sample
getsample(ai_device)%Read the voltage value on channel #0

The getsample(ai_device) works fine as expected. But when I try continuous sampling:

%%Continuous Sample Setting
set(ai_device, 'SampleRate', 1000)%Set SampleRate to 1000
set(ai_device, 'SamplesPerTrigger', 5000)%Set SamplePerTriger to 1000
start(ai_device) %Start data acquisition
get(ai_device, 'Running')
wait(ai_device, 10)%Wait for data acquisition to complete (wait timeout is 10 seconds)
get(ai_device, 'SamplesAcquired')  
[time, ai_data] = getdata(ai_device);%Get the waveformcaptured by ai_device object

The 'SamplesAcquired' property shows 64, and the getdata function returns an empty array.

The 'BufferingMode' is 'Auto' and the 'BufferingConfig is [64 30].

What's wrong?

Side Note: =========== I tried continuous sampling by using getsample function with the following code:

n = 100 d = zeros(n,2); t = zeros(n,1);

tic for i = 1:n t(i) = toc; d(i,:) = getsample(ai_device)%Read the voltage value on channel #0 pause(.001) end

It turns out that the ADLink only returns a sample about every 1.5 seconds. Trying the same code on another DAQ (DT9816-S) returns a sample about every .001 seconds.

[muhammad choudhry]

lolz, after 8 years I am having the same problem. Stupid to ask but still asking haha did you get it sorted ?