Agilent Technologies B2902 Service Manual download pdf (Page 168)

4- 46 Agilent B2900 SCPI Command Reference, Edition 2

Subsystem Commands

:MMEMory:CATalog?

MMEMory Subsystem

:MMEMory:CATalog?

Returns the memory usage and availability. Also returns the list of files and folders

in the current specified directory.

Syntax :MMEMory:CATalog? [directory]

Parameter directory Directory name, <path>|USB:\<path>. Either / (slash) or \

(backslash) can be used as the path separator. Up to 255 ASCII

characters. Parameter data type is SPD.

If directory is not set, this function is applied to the current directory.

If directory=<path>, this function is applied to <current directory>\<path>.

If directory=USB:\<path>, this function is applied to USB:\<path>. Where, USB:\ is

the root directory of the USB memory connected to the B2900 front panel.

Error occurs if the specified directory does not exist or is set to hidden or system.

Query response used,free{,item}<newline>

used returns the size of the used space, in bytes. Response data type is NR1.

free returns the size of the free space, in bytes. Response data type is NR1.

item returns the file or directory information. Response data type is SRD.

For files, item returns a string name,type,size which indicates the file name, file type,

and file size. Where, type returns “ASC”, “BIN”, “STAT” or “MACR” for the file

extensions “csv”, “dat”, “sta”, and “mac”, respectively.

For a directory, item returns a string name,type,size. Where, name indicates the

directory name, and type,size always returns “FOLD,0”.

Example :MMEM:CAT? “USB:\b2900\device1\iv_test\result”

:MMEM:CAT? “b2900\device1\iv_test\result”

:MMEMory:CDIRectory

Changes the current directory to the specified directory.

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Agilent Technologies B2902 Service Manual Page 168