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Use terminal net name as value for an instance's CDF parameter

dontpanic

Hi all! I am trying to find a way to use the name of the net that is connected to an instance's terminal, as a string value for one of the instance's CDF parameters. 

In particular, I have a verilog-A component "sample2disk(vIN)" which when instantiated in an schematic samples and dumps to a text file the voltage "vIN" at its input port. This cell has a string parameter "signal_name" which I use to generate the output file name. The component works fine, but currently I need to hard-code the "signal_name" parameter for every instance of this component that I use in an schematic. For example, if I have 2 instances of this component connected to the signals "stage1_vout" and "stage2_vout" in my schematic, then I would need to hard-code these names as values for the corresponding "signal_name" parameters. Instead, I would like to use a skill function that returns automatically these signal names so that they don't not remain hardcoded, allowing for a correct operation when reusing this cell multiple times in an schematic or when copying and pasting across schematics.

I would be really grateful if someone could please help me to figure out how to achieve this behavior (if possible at all).

Thanks in advance for any help!

Cheers,

Jorge.

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  • Andrew Beckett

    Hi Jorge,

    CEL is not SKILL. It's something called "AEL" (there's a bit of a historical inconsistency - some places it is called CEL, but most places it is called AEL). This is the "Analog Expression Language". Essentially it's a set of functions and expression syntax that is understood by CDF, and generally translates into equivalent functions that can be evaluated natively in the simulators.

    So you can use SKILL functions in the callback fields in the CDF (these are supposed to SKILL), but not in any value fields.

    Cheers,

    Andrew

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  • Andrew Beckett

    Hi Jorge,

    CEL is not SKILL. It's something called "AEL" (there's a bit of a historical inconsistency - some places it is called CEL, but most places it is called AEL). This is the "Analog Expression Language". Essentially it's a set of functions and expression syntax that is understood by CDF, and generally translates into equivalent functions that can be evaluated natively in the simulators.

    So you can use SKILL functions in the callback fields in the CDF (these are supposed to SKILL), but not in any value fields.

    Cheers,

    Andrew

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