Agilent Technologies 4294A Service Manual download pdf (Page 241)

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Application Sample Programs

File Transfer Function

1. Chapter Title

2. Chapter Title 13. Application Sample

4. Chapter Title

5. Chapter Title

Programs

380 !

390 LOOP

400 OUTPUT @Agt4294;"READ?"

410 ENTER @Agt4294 USING "#,2A";Dmy$

420 ENTER @Agt4294 USING "#,6A";Len$

430 Block_size=VAL(Len$)

440 !

450 IF Block_size=0 THEN

460 ENTER @Agt4294 USING "%,A";Dmy$

470 ASSIGN @Dst_file TO *

480 OUTPUT @Agt4294;"CLOSE"

490 SUBEXIT

500 END IF

510 !

520 ALLOCATE Dat$[Block_size]

530 Img$="#,"&VAL$(Block_size)&"A"

540 ENTER @Agt4294 USING Img$;Dat$

550 ENTER @Agt4294 USING "%,A";Dmy$

560 OUTPUT @Dst_file USING Img$;Dat$

570 DEALLOCATE Dat$

580 !

590 IF FNCheck_error(@Agt4294,"<CPFI: block read>")=-1 THEN

SUBEXIT

600 END LOOP

610 SUBEND

620 !

630 ! Instrument Error Check

640 !

650 DEF FNCheck_error(@Agt4294,Str$)

660 DIM Err$[64]

670 INTEGER Err_no

680 OUTPUT @Agt4294;"OUTPERRO?"

690 ENTER @Agt4294;Err_no,Err$

700 IF Err_no<>0 THEN

710 PRINT "ERROR: ";Str$;" ";Err$

720 RETURN -1

730 ELSE

740 RETURN 0

750 END IF

760 FNEND

Lines 80 to 90 Set the current directory of the external controller to A drive and sets

the current directory of the 4294A to the RAM disk. You can set the

current directory of the 4294A to the internal flexible disk using the

STODDISK command. The A drive in the external controller may not

be detected under a certain environment of the external controller, so

change the drive depending on the situation.

Lines 110 to 170 Accept the entry of the source file name and the destination file name.

Line 190 Calls the subprogram to transfer a file from the 4294A to the external

controller.

Lines 280 to 320 Prepare for writing to the destination file.

Lines 340 to 370 Prepare for reading the source file to the external controller.

Line 400 Executes the query command to read data.

Lines 410 to 430 Read the part indicating the length of the fixed length block data (see

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Agilent Technologies 4294A Service Manual Page 241

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