JPA-SCPI Parser V1.3 Specifications

SCPI Version

V1999.0 (current version)

Long and Short-form keywords

Yes, e.g. VOLTage allows VOLT or VOLTAGE

Compound commands
(i.e. multiple commands separated by semi-colons)

Yes

Optional keywords

Yes, e.g. [:AMPLitude]

Default nodes

Yes

Query commands

Yes

Optional parameters

Parameter types supported

Numeric Values (all variations as defined in SCPI, i.e.: integer, floating-point and scientific notation (up to and beyond +/- 9.9 e +/-37, regardless of processor/compiler limitations)

Character Data (i.e. mnemonics such as "MINimum", "DEFault", etc.)

Booleans

Strings (delimited by quotes)

Unquoted Strings

Numeric Lists, e.g. (11.4, 15:27, 31)

Channel Lists, e.g. (@2!3:4!8, 5!12)

Expressions³

Default parameters

Yes (Boolean and Character Data parameters)

Multiple-parameter types allowed for the same command

Yes, e.g. {MINimum|MAXimum|<range>}

Units

Numeric values can be followed by a unit suffix, e.g. kV, GR, uH, etc. Unit Multipliers (p, u, m, k, Ma, G, etc.) automatically scaled to base units. User-definable units allow complete flexibility.

Number Bases

Numeric values can be entered in decimal, binary, octal, or hexadecimal

Maximum Length of Command Line

255 characters or more (limited only by processor/ compiler)

Number of Commands that can be Specified

255 or more (limited only by processor/compiler)