Hp E1459A Manuale Utente Pagina 36
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Using the HP E1459A Module 35
Figure 2-1. HP E1459A Edge Event Detection Flowchart
Unmask all 16 bits of Port.
(Either Positive, Negative,
or both.)
Optionally, set the
Debounce Time
Enable the Edge Detection
Wait for the Event to Occur.
Do one of the following:
1. Poll the Port Summary Register
2. Poll the Status Subsystem
3. Use SRQ to interrupt
Read the data and clear the
event detector register
[SENSe:]EVENt:PORT
n
:NEDGE:ENABle <
mask
>
[SENSe:]EVENt:PORT
n
:PEDGE:ENABle <
mask
>
INPut
n
:DEBounce:TIMe <
time
>
[SENSe:]EVENt:PORT
n
:EDGE:ENABle <
state
>
[SENSe:]EVENt:PSUMmary:EDGe?
STATus:OPERation:PSUMmary:CONDition?
STATus:OPERation:PSUMmary:ENABle <
mask
>
STATus:OPERation:ENABle 512
*SRE128
[SENSe:]EVENt:PORT
n
:NEDGe?
[SENSe:]EVENt:PORT
n
:PEDGe?
HP E1459A Edge Event Detection Flowchart
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- 1
- Contents 2
- 2 Contents 3
- Contents 3 4
- 4 Contents 5
- Safety Symbols 7
- WARNINGS 7
- Documentation History 7
- BUSINESS REPLY MAIL 10
- Chapter 1 12
- Functional Description 12
- To VXIbus 13
- Transceivers 13
- Programmable 15
- Debounce Parameters 15
- Input Edge 16
- Detection 16
- Edge Detection 17
- Examples 17
- Interrupt Driven or 19
- Polled Mode 19
- Operations 19
- Configuring for Installation 20
- Setting the Logical 21
- Setting the Interrupt 21
- Priority 21
- Setting Input 22
- Threshold Levels 22
- Setting the Reset 22
- Time on the 22
- Watchdog Timer 22
- Connecting User 23
- Installing the HP 25
- E1459A in a 25
- VXIbus Mainframe 25
- Wiring a Terminal 27
- Using the HP E1459A Module 30
- Power-on / Reset States 31
- Send the Self Test Command 32
- Query the ID string 32
- Close Sessions 32
- Example 2: 33
- Digital Input 33
- Edge Detected Event Detection 35
- Example 3: 38
- Edge Interrupt 38
- Enable Port 0 Edge Detection 39
- Chapter 3 40
- Common Command Format 40
- SCPI Command Format 40
- DIAGnostic:SYSReset Subsystem 42
- DIAGnostic:SYSReset:ENABle? 43
- DISPlay:MONitor Subsystem 44
- DISP:MON:PORT:AUTO ON 45
- DISP:MON ON 46
- DISP:MON? 46
- INPut Subsystem 47
- Parameters 48
- Example INP2:DEB:TIME? 49
- MEASure Subsystem 50
- MEMory Subsystem 52
- SENSe Subsystem 53
- Parameters None 59
- [SENSe:]EVENt:PSUMmary:EDGE? 60
- STATus Subsystem 61
- Example STAT:OPER:ENAB 0xFFFF 63
- SYSTem Subsystem 69
- Example SYST:ERR? 70
- IEEE 488.2 Common Commands 71
- Command Quick Reference 72
- HP E1459A Specifications 74
- 74 HP E1459A Specifications 75
- Appendix B 76
- Overview 76
- Addressing the Registers 77
- Register Definitions 78
- Status Register 81
- Data Available 81
- Control/Status 82
- Register 82
- Command Register 82
- Port 0/2 82
- Read Always Returns FFF 83
- Channel Data 84
- Register Port 0/2 84
- Positive Edge 84
- Detect Register Port 84
- Debounce Clock 86
- Register Port 0 and 86
- Port1/ Port 2 and 86
- Port 1/3 87
- Register Port 1/3 88
- Power On/Reset Conditions 92
- Programming Examples 92
- Output and Edge 93
- Detection Examples 93
- ! get data register port 1 95
- DATA REGISTERS for each port 100
- 1970 END 104
- Error Messages 106
- 106 Error Messages 107
- Index 107 108
- 108 Index 109
- Index 109 110
- 110 Index 111
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