Hp E1459A Manuel d'utilisateur Page 39
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38 Using the HP E1459A Module
if (VI_SUCCESS > errStatus){
printf("ERROR: viPrintf() returned 0x%x\n",errStatus);
return errStatus;}
/*
Enable Port 0 Edge Detection
*/
errStatus = viPrintf (E1459, "EVEN:PORT0:EDGE:ENAB ON\n");
if (VI_SUCCESS > errStatus){
printf("ERROR: viPrintf() returned 0x%x\n",errStatus);
return errStatus;}
/*
Loop and poll Port Summary Register until event occurs
*/
while (event = 0)
{
errStatus = viQueryf (E1459, "EVEN:PSUM:EDGE?\n","%t",event);
if (VI_SUCCESS > errStatus){
printf("ERROR: viPrintf() returned 0x%x\n",errStatus);
return errStatus;}
}
/*
Read NEDGE register and clear event detector register
*/
errStatus = viQueryf (E1459, "EVEN:PORT0:NEDGE?\n","%t",val);
if (VI_SUCCESS > errStatus){
printf("ERROR: viPrintf() returned 0x%x\n",errStatus);
return errStatus;}
printf ("Negative Edge Event value = %s\n",val);
/*
Read PEDGE register and clear event detector register
*/
errStatus = viQueryf (E1459, "EVEN:PORT0:PEDGE?\n","%t",val);
if (VI_SUCCESS > errStatus){
printf("ERROR: viPrintf() returned 0x%x\n",errStatus);
return errStatus;}
printf ("Positive Edge Event value = %s\n",val);
/*
Close Sessions
*/
errStatus = viClose (E1459);
if (VI_SUCCESS > errStatus){
printf("ERROR: viClose() returned 0x%x\n",errStatus);
return 0;}
errStatus = viClose (viRM);
if (VI_SUCCESS > errStatus){
printf("ERROR: viClose() returned 0x%x\n",errStatus);
return 0;}
}
/* End of main program */
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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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