yangyalei opened a new pull request, #17459: URL: https://github.com/apache/nuttx/pull/17459
*Note: Please adhere to [Contributing Guidelines](https://github.com/apache/nuttx/blob/master/CONTRIBUTING.md).* ## Summary We have enhanced the capabilities of the upper driver, mainly including the following features: 1.Support for multiple applications simultaneously using the upper driver for playback/recording; 2.Support for maintaining a ringbuffer in the upper driver for simultaneous access by multiple applications; 3.Lower driver state management and retrieval; 4.Support for poll/mmap; 5.More comprehensive information retrieval via ioctl interfaces. ## Impact playback/recording, upperhalf driver ## Testing We have conducted tests on the following platforms: 1. sim 2. bes 3. allwinnertech -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
