Author Topic: Opening Gowin VCD files in Questa sim  (Read 193 times)

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Offline ali_asadzadeh

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Opening Gowin VCD files in Questa sim
« on: November 16, 2020, 01:16:36 pm »
Hi,
Gowin logic analyzer would produce VCD files, I want to open them in Questa
After searching the web I found that  the command inside Questa is this

Code: [Select]
vcd2wlf  FFT.vcd fft.wlf
And this command would trough an error like this
Quote
VCD-Read error VCDR_PHASE_ERROR at line 256

Do you have any Idea what might be wrong?
I'm a Digital Expert from 8-bits to 64-bits
 

Offline ali_asadzadeh

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Re: Opening Gowin VCD files in Questa sim
« Reply #1 on: November 22, 2020, 11:09:37 am »
Any Idea how to solve the VCDR_PHASE_ERROR? :'( |O
I'm a Digital Expert from 8-bits to 64-bits
 

Offline ale500

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Re: Opening Gowin VCD files in Questa sim
« Reply #2 on: November 25, 2020, 09:09:47 am »
I wonder if you tried the files on gtkwave. Just for curiosity. It seems that this vcd format exist in several flavors. Some synopsis tools emit also vcd files that seems a bit garbled on the eyes of gtkwave.
It is a text file after all, you could open it and have a look at the given line, and the lines around it to see which command seems to cause problems. Maybe it needs to be "reparsed" and fixed :)
 

Offline ali_asadzadeh

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Re: Opening Gowin VCD files in Questa sim
« Reply #3 on: November 25, 2020, 10:26:39 am »
gtkwave Can open it successfully,
Thanks But I need to be able to open it in Modelsim too.
I'm a Digital Expert from 8-bits to 64-bits
 


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