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Forum: FPGA, VHDL & Verilog Model Sim Doubt


Model Sim Doubt
von Marco (pastaman71)

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Hello friends, it's me again. I made several progress with the VHDL and 
i can think pretty better in terms of coding even thanks to you. I think 
i finished my project (motor control with PWM and PI). Anyway, i coded 
the PWM and the PI in 2  different files and simulated them (all works 
😎). When i was about to link them, like a testbench you do for GTKWave, 
i frooze. How do i make to comunicate and link 2 files and simulate with 
Model Sim? Should i use the COMPONENT statement? Should i put the two 
entities in the same file?
I hope that i made clear my doubt. Thank you guys in advance, have a 
nice day

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Re: Model Sim Doubt
von Rick D. (rickdangerus)

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How can you simulate without testbench?
Please show us your testbench!

Here is mine (but only for mia_pi.vhd)...

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Re: Model Sim Doubt
von Marco (pastaman71)

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First of all, that simulation is SICK! How did you get such a cool 
waves?
By the way, i don't have a testbench yet because i simulated the single 
entities by forcing the values in Model Sim. Before coding a TB i will 
try to use the component statement since i made an experiment earlier 
and it worked.
In conclusion for now, Mr Rick, do you think that this PI is good? I 
just made it from nothing, i am a newbie in the VHDL world.
I will update you

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