Measurement-computing Personal488 rev.3.0 Manuel d'utilisateur télécharger pdf (Page 74)

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

04-10-01

API Reference 6-6

Clear

Syntax

INT WINAPI Clear(DevHandleT devHandle);

devHandle

refers to either an IEEE 488 hardware interface or an external device. If

devHandle

refers to a hardware interface, then a Device Clear (

DCL

) is sent. If

devHandle

refers to an external device, a Selected Device Clear (

SDC

) is sent.

Returns

-1

if error

Bus States

ATN

•

DCL

(all devices)

ATN

•

UNL, MTA, LAG, SDC

(selected device)

Examples

errorcode = Clear(ieee);

Sends the Device Clear (

DCL

) command to the

IEEE interface board.

errorcode = Clear(wave);

Sends the Selected Device Clear (

SDC

) command

to the WAVE device.

errorcode = Clear(dmm);

Sends the Selected Device Clear (

SDC

) command

to the DMM device.

See Also

Reset, ClearList

The

Clear

command causes the Device Clear (

DCL

) bus command to be issued to an interface or a

Selected Device Clear (

SDC

) command to be issued to an external device. IEEE 488 bus devices that

receive a Device Clear or Selected Device Clear command normally reset to their power-on state.

1 2 ... 69 70 71 72 73 74 75 76 77 78 79 ... 149 150

Commentaires sur ces manuels

Pas de commentaire

Measurement-computing Personal488 rev.3.0 Manuel d'utilisateur Page 74

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel Measurement-computing Personal488 rev.3.0