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PicoScope 2000 Series Programmer's Guide 43

5.25

ps2000_set_ets

int32_t ps2000_set_ets

(

int16_t handle,

int16_t mode,

int16_t ets_cycles,

int16_t ets_interleave

)

This function is used to enable or disable ETS mode and to set the ETS parameters.

Applicability

Not PicoScope 2202

Arguments

handle: the handle of the required oscilloscope

mode:

PS2000_ETS_OFF (0) - disables ETS

PS2000_ETS_FAST (1) - enables ETS and provides

ets_cycles cycles of data, which may contain data from

previously returned cycles

PS2000_ETS_SLOW (2) - enables ETS and provides fresh data

every ets_cycles cycles. PS2000_ETS_SLOW takes longer to

provide each data set, but the data sets are more stable and

unique

ets_cycles: the number of cycles to store. The computer can then

select ets_interleave cycles to give the most uniform spread of

samples. ets_cycles should be between two and five times the

value of ets_interleave.

ets_interleave: the number of ETS interleaves to use. If the

sample time is 20 ns and the interleave 10, the approximate time

per sample will be 2 ns.

Returns

The effective sample time in picoseconds, if ETS is enabled

0: if ETS is disabled or one of the parameters is out of range

pico Technology PicoScope 2205A Programmer's Guide

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