Cronologic Ndigo Crate Betriebsanweisung PDF herunterladen (Seite 36)

3.4 Conﬁguration

The device is conﬁgured with a conﬁguration structure. The user should ﬁrst obtain a structure

that contains the default settings of the device read from an on board ROM , than modify the

structure as needed for the user application and use the result to conﬁgure the device.

int ndigo250m get default conﬁguration(ndigo device *device, ndigo250m conﬁguration *con-

ﬁg)

int ndigo250m get current conﬁguration(ndigo device *device, ndigo250m conﬁguration *con-

ﬁg)

int ndigo250m conﬁgure(ndigo device *device, ndigo250 conﬁguration *conﬁg)

int ndigo set board id(ndigo device *device, int board id)

The board id can be changed after initialization of the card. If cronotools are used the board id

changes have to be done before cronotools initialization.

3.4.1 Structure ndigo250m conﬁguration

This is the structure containing the conﬁguration information. It is used in conjunction with

ndigo get default conﬁguration, ndigo get current conﬁguration and ndigo conﬁgure.

It uses internally the structures ndigo trigger block and ndigo trigger.

int size

The number of bytes occupied by the structure.

int version

A version number that is increased when the deﬁnition of the structure is changed. The incre-

ment can be larger than one to match driver version numbers or similar. Set to 0 for all versions

up to ﬁrst release.

int reserved1

Reserved for internal usage. Do not change.

ndigo bool t tdc enabled

Enable capturing of TDC measurements on external digital input channel.

ndigo bool t tdc fb enabled

Enable enhanced TDC resolution. Currently not implemented.

double analog oﬀset[6]

Sets the input DC oﬀset-values to +- this value in volts. Oﬀsets 4 and 5 are the TRIGGER and

GATE input thresholds.

ndigo trigger trigger[NDIGO TRIGGER COUNT]

cronologic GmbH & Co. KG 32 Ndigo250M-14 User Guide

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Cronologic Ndigo Crate Betriebsanweisung Seite 36