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Blackfly®S

BFS-U3-88S6-BD

 

Counter And Timer Control

The Counter and Timer control feature allows you to:

Create a function generator

Keep a count of how many times a signal has fired.

Use the CounterSelector to select a counter, either 0 or 1.

Use CounterEventSource to select the event to increment the counter. Possible counter event sources include:

  • MHz Tick
  • Line Inputs
  • User Outputs
  • Counter Starts
  • Counter Ends
  • Logic Block Outputs
  • Exposure Start
  • Exposure End
  • Frame Trigger Wait

When the selected source allows for signal activation, use CounterEventActivation to specify Level Low, Level High, Falling Edge, Rising Edge, or Any Edge.

Use CounterDelay to indicate the maximum number of counts that need to occur before generating the Counter Start event.

Use CounterDuration to indicate the maximum number of counts that need to occur before generating the Counter End event.

Note: Only one of CounterTriggerSource or CounterResetSource can be active at a time. Selecting one disables the other.

Use CounterTriggerSource to select the event to start the counter. Possible counter trigger sources include:

  • MHz Tick
  • Line Inputs
  • User Outputs
  • Counter Starts
  • Counter Ends
  • Logic Block Outputs
  • Exposure Start
  • Exposure End
  • Frame Trigger Wait

When the selected source allows for signal activation, use CounterTriggerActivation to specify Level Low, Level High, Falling Edge, Rising Edge, or Any Edge.

Use CounterResetSource to select the event to end the counter. Possible counter reset sources include:

  • MHz Tick
  • Line Inputs
  • User Outputs
  • Counter Starts
  • Counter Ends
  • Logic Block Outputs
  • Exposure Start
  • Exposure End
  • Frame Trigger Wait

When the selected source allows for signal activation, use CounterResetActivation to specify Level Low, Level High, Falling Edge, Rising Edge, or Any Edge.

CounterValue indicates the current counter while CounterStatus indicates the current status. CounterValueAtReset indicates the counter's value when a reset occurred.

Summary Table

Name Interface Access Visibility Description
Counter Selector IEnumeration Expert Selects which counter to configure
Counter Event Source [Counter Selector] IEnumeration RW Expert Selects the event that will increment the counter
Counter Event Activation [Counter Selector] IEnumeration RW Expert Selects the activation mode of the event to increment the Counter.
Counter Duration [Counter Selector] IInteger Expert Sets the duration (or number of events) before the CounterEnd event is generated.
Counter Value [Counter Selector] IInteger RO Expert Current counter value
Counter Value At Reset [Counter Selector] IInteger RW Expert Value of the selected Counter when it was reset by a trigger.
Counter Trigger Source [Counter Selector] IEnumeration RW Expert Selects the source of the trigger to start the counter
Counter Trigger Activation [Counter Selector] IEnumeration RW Expert Selects the activation mode of the trigger to start the Counter.
Counter Reset Source [Counter Selector] IEnumeration RW Expert Selects the signal that will be the source to reset the Counter.
Counter Reset Activation [Counter Selector] IEnumeration RW Expert Selects the Activation mode of the Counter Reset Source signal.
Counter Status [Counter Selector] IEnumeration RO Expert Returns the current status of the Counter.
Counter Delay [Counter Selector] IInteger Expert Sets the delay (or number of events) before the CounterStart event is generated.

Counter And Timer Control Features


Counter Selector

Selects which counter to configure

Property Value
Name CounterSelector
Interface IEnumeration
Access
Visibility Expert

Enumeration Values
Counter0
Counter1

Counter Event Source

Selects the event that will increment the counter

Property Value
Name CounterEventSource [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
Off
MHzTick
Line0
Line1
Line2
Line3
UserOutput0
UserOutput1
UserOutput2
UserOutput3
Counter0Start
Counter1Start
Counter0End
Counter1End
LogicBlock0
LogicBlock1
ExposureStart
ExposureEnd
FrameTriggerWait

Counter Event Activation

Selects the activation mode of the event to increment the Counter.

Property Value
Name CounterEventActivation [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
LevelLow
LevelHigh
FallingEdge
RisingEdge
AnyEdge

Counter Duration

Sets the duration (or number of events) before the CounterEnd event is generated.

Property Value
Name CounterDuration [Counter Selector]
Interface IInteger
Access
Unit
Visibility Expert

Counter Value

Current counter value

Property Value
Name CounterValue [Counter Selector]
Interface IInteger
Access RO
Unit
Visibility Expert

Counter Value At Reset

Value of the selected Counter when it was reset by a trigger.

Property Value
Name CounterValueAtReset [Counter Selector]
Interface IInteger
Access RW
Unit
Visibility Expert

Counter Trigger Source

Selects the source of the trigger to start the counter

Property Value
Name CounterTriggerSource [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
Off
Line0
Line1
Line2
Line3
UserOutput0
UserOutput1
UserOutput2
UserOutput3
Counter0Start
Counter1Start
Counter0End
Counter1End
LogicBlock0
LogicBlock1
ExposureStart
ExposureEnd
FrameTriggerWait

Counter Trigger Activation

Selects the activation mode of the trigger to start the Counter.

Property Value
Name CounterTriggerActivation [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
LevelLow
LevelHigh
FallingEdge
RisingEdge
AnyEdge

Counter Reset Source

Selects the signal that will be the source to reset the Counter.

Property Value
Name CounterResetSource [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
Off
Line0
Line1
Line2
Line3
UserOutput0
UserOutput1
UserOutput2
UserOutput3
Counter0Start
Counter1Start
Counter0End
Counter1End
LogicBlock0
LogicBlock1
ExposureStart
ExposureEnd
FrameTriggerWait

Counter Reset Activation

Selects the Activation mode of the Counter Reset Source signal.

Property Value
Name CounterResetActivation [Counter Selector]
Interface IEnumeration
Access RW
Visibility Expert

Enumeration Values
LevelLow
LevelHigh
FallingEdge
RisingEdge
AnyEdge

Counter Status

Returns the current status of the Counter.

Property Value
Name CounterStatus [Counter Selector]
Interface IEnumeration
Access RO
Visibility Expert

Enumeration Values
CounterIdle
CounterTriggerWait
CounterActive
CounterCompleted
CounterOverflow

Counter Delay

Sets the delay (or number of events) before the CounterStart event is generated.

Property Value
Name CounterDelay [Counter Selector]
Interface IInteger
Access
Unit
Visibility Expert

 

2/11/2020
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Blackfly®S BFS-U3-88S6-BD
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