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[Bug Report]  1452 Ext Volume block doesn't save its settings

SigmaDSP & SigmaStudio KJBob Apr 28, 2014 00:00 3 replies Original on forum ↗
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KJBob Question
Apr 28, 2014 00:00

The HW Slew Ext Volume Control for the Sigma300 chips (ADAU1452, etc.) includes versatile slew settings that unfortunately, aren't saved with the project. The simple project attached demonstrates this: Open the project, change the slew settings on the block, then save it. Upon re-opening, only the default settings appear.

Bob

ext_volume

parameters

adau145x

slew

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4f4740cf9223a89e7891aa541e75f1f5.jpg
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4f4740cf9223a89e7891aa541e75f1f5.jpg-450x126.jpg
Syndicate Reply
May 4, 2014 00:00

Issue confirmed, none of the block settings are saved.

KJBob Reply
May 13, 2014 00:00

Thank you for verifying this issue. There's other ways to achieve a sweet dynamic characteristic, but each uses more instructions than the slew volume. Thus I'm hoping that this bug as well as the one described at

https://ez.analog.com/thread/41917 will get fixed in a future beta or release.

BTW -- have you noticed that it's not easy to guesstimate the number of instructions a -1452 project uses? I had a good feeling for block usage in the -1701, but the only way I've found for the -1452 is to build a test project and see how it compiles.

Bob

KJBob Reply
Jun 23, 2014 00:00

This issue has just been fixed in SigmaStudio 11.1 Beta, available from the usual download page.