User Manual

ManualsBrandsPico Technology ManualsOscilloscopesPC Oscilloscope, 2x 20MHz, 80MSPS

PicoScope 4000 Series Programmer's Guide 13

4.6.2.3

Rapid block mode example 2: using aggregation

#define MAX_SAMPLES 1000

Set up the device up as usual.

Open the device

Channels

Trigger

Number of memory segments (this should be equal or more than the no of captures

required)

// set the number of waveforms to 100

ps4000SetNoOfCaptures (handle, 100);

pParameter = false;

ps4000RunBlock

(

handle,

0, //noOfPreTriggerSamples,

1000000, // noOfPostTriggerSamples,

1, // timebase to be used,

1, // oversample

&timeIndisposedMs,

1, // oversample

lpReady,

&pParameter

);

Comments: the set-up for running the device is exactly the same whether or not

aggregation will be used when you retrieve the samples.

for (int c = PS4000_CHANNEL_A; c <= PS4000_CHANNEL_D; c++)

{

ps4000SetDataBuffers

(

handle,

&bufferMax[c],

&bufferMin[c]

MAX_SAMPLES,

);

}

Comments: since only one waveform will be retrieved at a time, you only need to set

up one pair of buffers; one for the maximum samples and one for the minimum

samples. Again, the buffer sizes are 1000 samples.

for (int segment = 10; segment < 20; segment++)

{

ps4000GetValues

(

handle,

&noOfSamples, // set to MAX_SAMPLES on entering

1000,

&downSampleRatioMode, //set to RATIO_MODE_AGGREGATE

index,

overflow