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Hands-On Embedded Programming with C++17

You're reading from  Hands-On Embedded Programming with C++17

Product type Book
Published in Jan 2019
Publisher Packt
ISBN-13 9781788629300
Pages 458 pages
Edition 1st Edition
Languages
Author (1):
Maya Posch Maya Posch
Profile icon Maya Posch

Table of Contents (19) Chapters

Title Page
Copyright and Credits
About Packt
Contributors
Preface
1. What Are Embedded Systems? 2. C++ as an Embedded Language 3. Developing for Embedded Linux and Similar Systems 4. Resource-Restricted Embedded Systems 5. Example - Soil Humidity Monitor with Wi-Fi 6. Testing OS-Based Applications 7. Testing Resource-Restricted Platforms 8. Example - Linux-Based Infotainment System 9. Example - Building Monitoring and Control 10. Developing Embedded Systems with Qt 11. Developing for Hybrid SoC/FPGA Systems 1. Best Practices 2. Other Books You May Enjoy Index

Bluetooth audio sources and sinks


Bluetooth is unfortunately a technology that, despite being ubiquitous, suffers from its proprietary nature. As a result, support for the full range of Bluetooth functionality (in the form of profiles) is lacking. The profile that we are interested in for this project is called Advanced Audio Distribution Profile (A2DP). This is the profile used by everything from Bluetooth headphones to Bluetooth speakers in order to stream audio.

Any device that implements A2DP can stream audio to an A2DP receiver or can themselves act as a receiver (depending on the BT stack implementation). Theoretically, this would allow someone to connect with a smartphone or similar device to our infotainment system and play back music on it, as they would with a standalone Bluetooth speaker.

A receiver in the A2DP profile is an A2DP sink, whereas the other side is the A2DP source. A Bluetooth headphone or speaker device would always be a sink device as they can only consume an audio...

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