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Constant signal in LSF module

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Hello everyone,

I am implementing a module using LSF primitives and I need to add a signal to a constant value (a parameter of such module).

The first solution that came to my mind was to use a sca_tdf_source element but then I would need a tdf_module only for this constant value.

Then I thought of forcing a sca_lsf::sca_source element to provide a constant source signal as follows:

Vref("Vref", Vref_, 0.0, Vref_, 0.0, M_PI/2)

where Vref_ is the constant value.


Could it work this way?


Best regards,


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Indeed, you can use an sca_lsf::sca_source to generate your constant reference signal. However, you have to use the initial_value and offset parameters instead of the amplitude:

sca_lsf::sca_source Vref("Vref", Vref_, Vref_);

You don't have to provide all arguments to the sca_lsf::sca_source constructor, as they are defaulted to zero. For more details, see clause of the SystemC AMS 2.0 LRM.

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