history.txt

基于ADSP-BF535 USB驱动应用程序

Version 0.06
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- BugFix: Moving the volume/pan controls on Windows sometimes mutes a channel.
- Improvements in async. sync. mechanism to get host to adjust more quickly.


Version 0.05
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- Added support for setting AC97 registers for mute and volume controls.
- BugFix: Noise when USB was disconnected during playback.
- BugFix: Noise when playback was paused (no data coming over ISO channel).
- Changed foreground task to blink the LEDs after initialization.
- Changed foreground task to blink "all" the LEDs when playback is active.
- Changed LDF file to work with the latest compiler (6.2.4)

Version 0.04
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- Asynchronous Feedback (synch.) mechanism implemented (seems to be working well!).

Version 0.03
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- Communication with the AC97 implemented.
- Audio data plays on the line-out of the Eagle-35 board!

Version 0.02
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- Improved DMA block heap manager.
- Isoch streaming is functional (PCM data from PC is stored in a cyclic buffer.)


Version 0.01
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- The device enumerates as an Audio Class device.
- The volume and mute controls are communicating with Windows!