
Controlling image capture
GUPPY Technical Manual
V4.0.1
126
The functionality is controlled via bit [6] and bitgroup [12-15] of the IIDC
register:
The screenshots below illustrate the use of Trigger_Mode_15 on a register
level:
Register
Name
Field
Bit
Description
0xF0F00830
TRIGGER_MODE
Presence_Inq
[0]
Presence of this feature:
0: N/A
1: Available
Abs_Control
[1]
Absolute value control
O: Control with value in the value field
1: Control with value in the absolute
value CSR
If this bit= 1 the value in the value field
has to be ignored
-
[2..5]
Reserved
ON_OFF
[6]
Write ON or OFF this feature
ON=1 Read: Status of the feature
OFF=0
Trigger_Polarity [7]
If Polarity_Inq = 1:
W: 0 for low active input
1 for high active input
If Polarity_Inq = 0: Read only
Trigger_Source
[8..10]
Select trigger source ID from trigger
source ID_Inq.
Trigger_Value
[11]
Trigger input raw signal value (read
only)
Trigger_Mode
[12..15] Trigger_Mode (0-15)
-
[16..19] Reserved
Parameter
[20..31] Parameter for trigger function, if
required
Table 50: Trigger_Mode_15