Instruction manual

Guppy PRO Technical ManualV4.1.0
134
Controlling image capture
One-shot
Guppy PRO cameras can record an image by setting the one-shot bit in the 61Ch
register. This bit is automatically cleared after the image is captured. If the
camera is placed in ISO_Enable mode (see chapter ISO_Enable / free-run on
page 137), this flag is ignored.
If one-shot mode is combined with the external trigger, the one-shot command
is used to arm it. The following screenshot shows the sequence of commands
needed to put the camera into this mode. It enables the camera to grab exactly
one image with an external trigger edge.
If there is no trigger impulse after the camera has been armed, one-shot can be
cancelled by clearing the bit.
Figure 70: One-shot control (SmartView)
# Read = rd
Write = wr
Address Value Description
7 wr F0F0061C 80000000 Do one-shot.
6 rd F0F0061C 00000000 Read out one-shot register.
5 wr F0F00830 82000000 Switch on external trigger mode 0.
4 rd F0F00830 80000000 Check trigger status.
3 wr F0F00614 00000000 Stop free-run.
2 rd F0F00614 80000000 Check Iso_Enable mode ( free-run).
1 rd F0F00614 00000000 This line is produced by SmartView.
Table 69: One-shot control: Descriptions