How can I get correct simulation result from generated SystemVerilog model in which DPI-C setparam function has vector parameter

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Kyoji Marumoto
Kyoji Marumoto 2016-9-9
编辑： Dave Gutierrez 2017-6-15
I made SystemVerilog module with DPI-C interface and C source files from simulink subsystem. The subsystem has 1x4 vector parameters which specify nominator and denominator coefficients. SystemVerilog with C object,compiled to .so lib, runs on Cadence INSICIVE platform. But the simulation result is not correct. When I set the coefficients to secondary delay-system, the output response of step input is nothing,still low. Setparam call description is below. DPI_XX_setparam_den(obj,'{den3,den2,den1,den0});

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Dave Gutierrez
Dave Gutierrez 2017-6-15
编辑：Dave Gutierrez 2017-6-15
1. The DPI-C component uses unpacked arrays so I will try removing the " ' " infront of " '{den3,den2,den1,den0} ".
2.Where are you calling the set param function?, in the initial block? or reset?. Make sure you are not inadvertently triggering the DPI_*_initialize routine and wiping out your new parameter values.
If this still does not work feel free to attach a model, and I ll take a closer look.

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