Point Grey Flea3 USB 3.0 Technical Reference 7 Imaging Parameters and Control
Fixed-point
Value Range
Equivalent Absolute
Value Unit
Equivalent Absolute
Value Range
2049 to 2560 80 us 41.04 ms to 81.92 ms
... ... ...
Field Bit Description
Presence_Inq [0]
Presence of this feature
0: Not Available, 1: Available
Abs_Control [1]
Absolute value control
0: Control with the Value field, 1: Control with the Absolute value CSR.
If this bit = 1, the value in the Value field is ignored.
[2-4] Reserved
One_Push [5]
One push auto mode (controlled automatically by camera only once)
Read: 0: Not in operation, 1: In operation
Write: 1: Begin to work (self-cleared after operation)
If A_M_Mode = 1, this bit is ignored
ON_OFF [6]
Read: read a status
Write: ON or OFF for this feature
0: OFF, 1: ON
If this bit = 0, other fields will be read only
A_M_Mode [7]
Read: read a current mode
Write: set the mode
0: Manual, 1: Automatic
High_Value [8-19]
Upper 4 bits of the shutter value available only in extended shutter mode
(outside of specification).
Value [20-31]
Value.
A write to this value in ‘Auto’ mode will be ignored.
Format:
7.9.3 Example: Setting Shutter Using the FlyCapture API
The following FlyCapture 2.0 code snippet adjusts the shutter speed to 20 ms using the C++ interface. The snippet
assumes a Camera object cam.
//Declare a Property struct.
Property prop;
//Define the property to adjust.
prop.type = SHUTTER;
//Ensure the property is on.
prop.onOff = true;
Revised 9/27/2012
Copyright ©2011-2012 Point Grey Research Inc.
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