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Wave Generator: Implement option to generate waves without PSLab Device #1976

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@dwlsalmeida dwlsalmeida commented Sep 27, 2019

Signed-off-by: Daniel W. S. Almeida [email protected]

First steps for #1974

This is not ready yet. Current code crashes with java.lang.IllegalStateException: Unable to retrieve AudioTrack pointer for write() . I will investigate.

I would appreciate some feedback on this, specially as I am not sure whether I have understood the task 100%. I have based my work on this blog post.

Changes:
Add a button to generate waves without a PSLab device, using the phone as the source for the signal. Refactor existing sampling code from its current implementation in ProduceSoundTask into a separate method for code reuse.

Checklist:

  • I have used resources from strings.xml, dimens.xml and colors.xml without hard-coding them
  • No modifications done at the end of resource files strings.xml, dimens.xml or colors.xml
  • I have reformatted code in every file included in this PR [CTRL+ALT+L]
  • My code does not contain any extra lines or extra spaces
  • I have requested reviews from other members

@mariobehling
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Hi @dwlsalmeida how is it going. Would be great to get this feature in. Would love to see the next steps.

@dwlsalmeida
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dwlsalmeida commented Oct 28, 2019

Hey @mariobehling

This is semi-working. Might as well give it another go today. Did you try it out? I'd appreciate some feedback.

Sent from my Redmi Note 5 using FastHub

Signed-off-by: Daniel W. S. Almeida <[email protected]>
@dwlsalmeida
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@mariobehling @CloudyPadmal can I get someone to look this over?

I have implemented a radio button that checks whether there's anything hooked up into the audio jack before playing the signal. What now?

Any guidance is appreciated, thanks! :)

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3 participants