Measurement-computing Personal488 rev.3.0 Manual de usuario descargar pdf (Pagina 130)

Personal488 for Windows 95/98/Me/NT/2000

04-10-01

API Reference 6-62

UnListen

Syntax

INT WINAPI UnListen (DevHandleT devHandle);

devHandle

refers to either an interface or an external device. If

devHandle

refers to an

external device, the

UnListen

command acts on the associated interface.

Returns

-1

if error

Bus States

ATN, UNL

Example

errorcode = UnListen (ieee);

See Also

Listen, UnTalk, SendCmd, Status

The

UnListen

command unaddresses an external device that was addressed to Listen.

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Personal488 1
Table of Contents 5
Transfer Rate 7
Hardware Products 8
Driver488 Packages 10
Windows95/98 11
/Me/2000 11
3-2 Installation 12
Windows 95 Users 13
3-4 Installation 14
04-06-01 15
3-6 Installation 16
Windows 95 18
Windows 98 Users 19
3-10 Installation 20
Windows 98 22
9. Click Finish 22
Windows Me Users 25
3-16 Installation 26
3-18 Installation 28
Windows Me 30
Windows NT Users 31
3-22 Installation 32
Windows 2000 Users 33
3-24 Installation 34
3-26 Installation 36
Windows 2000 38
Hardware Configuration 41
04-09-01 42
AT488 Configurations 43
6 7 8 5 2 3 47
GP488B DMA Channel Selections 49
Selected I/O Base 51
Register 51
Channel 1 53
Channel 2 Channel 3 53
Using IEEE 488 5 55
External Devices 56
Configuration Parameters 56
IEEE 488 address 57
EOS terminators 57
WinTest – Driver488 Workshop 58
Using IEEE 488 5-5 59
5-6 Using IEEE 488 60
What is a device handle? 61
5-8 Using IEEE 488 62
Programming Language Support 64
Borland C++ 65
Microsoft Visual Basic 66
Borland Delphi 67
Support for Other Languages 67
5-14 Using IEEE 488 68
AutoRemote 71
BusAddress 72
CheckListener 73
ClearList 75
ControlLine 77
DigArmSetup 79
DigSetup 81
DigWrite 82
EnterMore 85
EnterNMore 85
FindListeners 87
GetError 88
GetErrorList 89
KeepDevice 91
LocalList 94
) bus command. Bus 95
MakeDevice 96
MakeNewDevice 97
MyListenAddr 98
MyTalkAddr 99
OnDigEvent 100
OnDigEventVDM 101
04-10-01 102
OnEventVDM 103
API Reference 6-36 104
OpenName 105
OutputNMore 107
OutputMore 107
PPollConfig 109
PPollDisable 110
PPollDisableList 111
PPollUnconfig 112
RemoteList 114
RemoveDevice 115
) asserted, causing the 117
SendData 118
SPollList 121
TermQuery 125
TimeOutQuery 127
TriggerList 129
UnListen 130
API Reference 6-64 132
API Error Codes 133
A-2 API Error Codes 134
API Error Codes A-3 135
A-4 API Error Codes 136
ASCII Codes 137
B-2 IEEE488 ASCII Code Maps 138
Addresses 139
Commands 139
Uniline Commands 139
Analyzing the IEEE Bus 140
Common Problems and Solutions 141
C-4 Troubleshooting 142
Troubleshooting C-5 143
C-6 Troubleshooting 144
Troubleshooting C-7 145
C-8 Troubleshooting 146
Hardware Specifications 147
AT488 Specifications 148
GP488B Specifications 148
GP488B/MM Specifications 148
03/16/01 149
Installation 150
Miscellaneous Hints and Tips 150
File Structure 150

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