Cronologic Ndigo Crate Guía de usuario descargar pdf (Pagina 37)

Conﬁguration of the external trigger sources. Threshold is ignored for entries 8 and above.

The trigger indexes refer to the entry in the trigger array and are deﬁned like this:

#deﬁne NDIGO TRIGGER A0 0

#deﬁne NDIGO TRIGGER A1 1

#deﬁne NDIGO TRIGGER B0 2

#deﬁne NDIGO TRIGGER B1 3

#deﬁne NDIGO TRIGGER C0 4

#deﬁne NDIGO TRIGGER C1 5

#deﬁne NDIGO TRIGGER D0 6

#deﬁne NDIGO TRIGGER D1 7

#deﬁne NDIGO TRIGGER TDC 8

#deﬁne NDIGO TRIGGER GATE 9

#deﬁne NDIGO TRIGGER BUS0 10

#deﬁne NDIGO TRIGGER BUS1 11

#deﬁne NDIGO TRIGGER BUS2 12

#deﬁne NDIGO TRIGGER BUS3 13

#deﬁne NDIGO TRIGGER AUTO 14

#deﬁne NDIGO TRIGGER ONE 15

#deﬁne NDIGO TRIGGER TDC PE 16

#deﬁne NDIGO TRIGGER GATE PE 17

#deﬁne NDIGO TRIGGER BUS0 PE 18

#deﬁne NDIGO TRIGGER BUS1 PE 19

#deﬁne NDIGO TRIGGER BUS2 PE 20

#deﬁne NDIGO TRIGGER BUS3 PE 21

Sources 16 to 21 always are positive edge triggered.

ndigo trigger block trigger block[NDIGO CHANNEL COUNT + 1]

A structure describing the trigger settings of the four channels plus the timestamp channel.

ndigo gating block gating block[NDIGO250M GATE COUNT]

A structure describing the gating blocks that can be used by the trigger blocks to ﬁlter triggers.

int drive bus[4]

Enable output drive for each of the four external sync lines. Each integer represents a bitmask

selecting the trigger sources for that line. The bit mapping is described in section “Structure

ndigo trigger block” on page 35.

int auto trigger period

int auto trigger random exponent

Create a trigger either periodically or randomly. There are two parameters M = trigger period

and N = random exponent that result in a distance between triggers of

cronologic GmbH & Co. KG 33 Ndigo250M-14 User Guide

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Cronologic Ndigo Crate Guía de usuario Pagina 37