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hello everybody:
recently I did some simulation in modelsim-altera6.5 according to AN532 downloaded from altera.com.First I built an sopc system including DMA Control,On Chip memory(RAM) and PCI
Express.My quartus version is 9.1.Then I run the testbentch provided in the project folder.The result is in the attachement.
I don't understand why the value of DMA signal "length" is always"000000",and the simulation result shows"simulation stopped due to inactivity!",Can anyone figure out the reason?
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Can you show the source code? My guess is your clock generator is not running (either a race condition, or was not coded to start with).
Srini
www.cvcblr.com/blog
Honored Contributor
