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  • Book Overview & Buying Android Hardware Interfacing with the BeagleBone Black
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Android Hardware Interfacing with the BeagleBone Black

Android Hardware Interfacing with the BeagleBone Black

By : Andrew Henderson, Prakash
4.5 (6)
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Android Hardware Interfacing with the BeagleBone Black

Android Hardware Interfacing with the BeagleBone Black

4.5 (6)
By: Andrew Henderson, Prakash
Buy this Book

Overview of this book

If you are an Android app developer who wants to experiment with the hardware capabilities of the BeagleBone Black platform, then this book is ideal for you. You are expected to have basic knowledge of developing Android apps but no prior hardware experience is required.
Table of Contents (9 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Introduction to Android and the BeagleBone Black
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1. Introduction to Android and the BeagleBone Black
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Looking back on Android and BeagleBone Black development
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Shopping for the hardware essentials
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Learning about the hardware you'll interface with
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Installing Android on the BeagleBone Black
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Summary
2
2. Interfacing with Android
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2. Interfacing with Android
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Understanding the Android HAL
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Installing PacktHAL
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Setting up the Android NDK for PacktHAL
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Multiplexing the BBB pins
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Summary
3
3. Handling Inputs and Outputs with GPIOs
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3. Handling Inputs and Outputs with GPIOs
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Understanding GPIOs
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Building a GPIO-interfacing circuit
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Including PacktHAL within your apps
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Exploring the GPIO example app
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Summary
4
4. Storing and Retrieving Data with I2C
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4. Storing and Retrieving Data with I2C
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Understanding I2C
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Multiplexing for I2C on the BBB
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Representing I2C devices in the Linux kernel
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Building an I2C-interfacing circuit
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Exploring the I2C FRAM example app
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Summary
5
5. Interfacing with High-speed Sensors Using SPI
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5. Interfacing with High-speed Sensors Using SPI
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Understanding SPI
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Multiplexing for SPI on the BBB
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Representing SPI devices in the Linux kernel
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Building an SPI interface circuit
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Exploring the SPI sensor example app
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Summary
6
6. Creating a Complete Interfacing Solution
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6. Creating a Complete Interfacing Solution
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Building the complete interface circuit
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Exploring the complete example app
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Summary
7
7. Where to Go from Here
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7. Where to Go from Here
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Integrating your solution with Android
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Combining your project with other hardware
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Exploring the BBB's other interfaces
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Summary
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Index
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Index

Chapter 4. Storing and Retrieving Data with I2C

In the last chapter, you used GPIOs to exchange simple digital data with the outside world. However, what about interfacing with more advanced devices that require complex sequences of bits or bytes for communication?

One of the most popular interfacing buses in use today within embedded systems is the Inter-Integrated Circuit serial bus (commonly abbreviated as IIC, I2C, or I2C). In this chapter, you will learn how to write an app that uses the BBB's I2C interface to store data to and retrieve data from a FRAM chip. We will cover the following topics:

  • Understanding I2C
  • Multiplexing for I2C on the BBB
  • Representing I2C devices in the Linux kernel
  • Building an I2C interface circuit
  • Exploring the I2C FRAM example app
CONTINUE READING
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Tech Concepts
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Programming languages
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