HP E1459A Edge Event Detection Flowchart

Unmask all 16 bits of Port.

[SENSe:]EVENt:PORTn:NEDGE:ENABle <mask>

 

(Either Positive, Negative,

[SENSe:]EVENt:PORTn:PEDGE:ENABle <mask>

or both.)

 

INPutn:DEBounce:TIMe <time>

Optionally, set the

Debounce Time

Enable the Edge Detection

[SENSe:]EVENt:PORTn:EDGE:ENABle <state>

 

 

Wait for the Event to Occur.

[SENSe:]EVENt:PSUMmary:EDGe?

 

Do one of the following:

 

1. Poll the Port Summary Register

STATus:OPERation:PSUMmary:CONDition?

2.Poll the Status Subsystem

3.Use SRQ to interrupt STATus:OPERation:PSUMmary:ENABle <mask>

STATus:OPERation:ENABle 512 *SRE128

Read the data and clear the

[SENSe:]EVENt:PORTn:NEDGe?

 

event detector register

[SENSe:]EVENt:PORTn:PEDGe?

Figure 2-1. HP E1459A Edge Event Detection Flowchart

Using the HP E1459A Module 35