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

Product typeBook
Published inJan 2019
Reading LevelIntermediate
PublisherPackt
ISBN-139781788629300
Edition1st Edition
Languages
C++
Tools
Qt
Concepts
Embedded Systems
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Author (1)
Maya Posch
Maya Posch
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Maya Posch

Maya Posch is a senior C++ developer with more than 15 years of experience. Discovering the joys of programming early on, and later the joys of electronics, she has always expressed a profound interest in technology, a passion that she gladly shares with others. Describing herself as a C developer who happens to like C++ and Ada, she likes to seek the limits of what can be done with the minimum of code and hardware to accomplish everything that is cool, new, and exciting. She also enjoys FPGA development, AI, and robotics research, in addition to creative writing, music, and drawing.
Read more about Maya Posch

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Usage scenarios

We don't want the infotainment system to be activated every single time that the voice user interface recognizes command words when they are not intended as such. The common way to prevent this from happening is by having a keyword that activates the command interface. If no command is recognized after the keyword within a certain amount of time, the system reverts to the keyword-spotting mode.

For this example project, we use the keyword computer. After the system spots this keyword, we can use the following commands:

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Hands-On Embedded Programming with C++17
Published in: Jan 2019Publisher: PacktISBN-13: 9781788629300
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Maya Posch

Maya Posch is a senior C++ developer with more than 15 years of experience. Discovering the joys of programming early on, and later the joys of electronics, she has always expressed a profound interest in technology, a passion that she gladly shares with others. Describing herself as a C developer who happens to like C++ and Ada, she likes to seek the limits of what can be done with the minimum of code and hardware to accomplish everything that is cool, new, and exciting. She also enjoys FPGA development, AI, and robotics research, in addition to creative writing, music, and drawing.
Read more about Maya Posch

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Command

Result

Play Bluetooth

Starts playing from any connected A2DP source device (unimplemented).

Stop Bluetooth

Stops playing from any Bluetooth device.

Play local

Plays the (hardcoded) local music file.

Stop local

Stops playing the local music file, if currently playing.

Play remote

Plays from an online streaming service or server (unimplemented).

Stop remote

Stops playing, if active.

Record message

Records a message. Records until a number of seconds of silence occurs...