Exploring BeagleBone -- About the Author -- About the Technical Editors -- Credits -- Acknowledgments -- Contents -- Introduction -- Part I BeagleBone Basics -- Chapter 1 The BeagleBone Hardware -- Introduction to the Platform -- Who Should Use the BeagleBone -- When to Use the BeagleBone -- When You Should Not Use the BeagleBone -- BeagleBone Documentation -- The BeagleBone Hardware -- BeagleBone Versions -- The BeagleBone Black Hardware -- BeagleBone Accessories -- Highly Recommended Accessories -- Micro-SD Card (for Flashing the BBB) -- External 5V Power Supply (for Flashing and Peripherals) -- Ethernet Cable (for Network Connection) -- HDMI Cable (for Connection to Monitors/Televisions) -- USB to Serial UART TTL 3.3 V (for Finding Problems) -- Optional Accessories -- USB Hub (to Connect Several USB Devices to a USB Host) -- Micro-HDMI to VGA adapters (for VGA Video and Sound) -- Wi-Fi Adapters (for Wireless Networking) -- USB Webcam (for Capturing Images and Streaming Video) -- USB Keyboard and Mouse (for General-Purpose Computing) -- Capes -- How to Destroy Your BeagleBone! -- Summary -- Support -- Chapter 2 The BeagleBone Black Software -- Linux on the BeagleBone -- Linux Distributions -- Communicating with the BBB -- Installing Drivers -- Network Connections -- Internet-over-USB -- Regular Ethernet -- Ethernet Crossover Cable -- Communicating with the BBB -- Serial Connection over USB -- Serial Connection with the USB-to-TTL 3.3 V Cable -- Connecting through Secure Shell (SSH) -- Secure Shell Connections using PuTTY -- Chrome Apps: Secure Shell Client -- Transferring Files Using PuTTY/psftp over SSH -- Controlling the BeagleBone -- Basic Linux Commands -- First Steps -- Basic File System Commands -- Environment Variables -- Basic File Editing -- What Time Is It? -- Package Management -- Interacting with the BBB On-board LEDs -- Shutdown.

Node.js, Cloud9, and BoneScript -- Introduction to Node.js -- Introduction to the Cloud9 IDE -- Introduction to BoneScript -- Summary -- Further Reading -- Chapter 3 Exploring Embedded Linux Systems -- Embedded Linux Basics -- What Embedded Linux Offers -- Is Linux Open Source and Free? -- Booting the BeagleBone -- The BeagleBone Bootloaders -- Kernel Space and User Space -- System V init (SysVinit) -- Managing Linux Systems -- The Super User -- System Administration -- The Linux File System -- Linking to Files and Directories -- Users and Groups -- File System Permissions -- Exploring the File System -- Commands for File Systems -- find and whereis -- more or less -- Linux Commands -- Standard Input and Output Redirection (>, >>, and <) -- Pipes (

Light-Emitting Diodes (LEDs) -- Smoothing and Decoupling Capacitors -- Transistors -- Transistors as Switches -- Field Effect Transistors (FETs) as Switches -- Optocouplers/Opto-isolators -- Switches and Buttons -- Hysteresis -- Logic Gates -- Floating Inputs -- Pull-Up and Pull-Down Resistors -- Open-Collector and Open-Drain Outputs -- Interconnecting Gates -- Analog-to-Digital Conversion -- Sampling Rate -- Quantization -- Operational Amplifiers -- Ideal Operational Amplifiers -- Negative Feedback and Voltage Follower -- Positive Feedback -- Concluding Advice -- Summary -- Further Reading -- Chapter 5 Practical BeagleBone Programming -- Introduction -- Performance of Different Languages -- Setting the BBB CPU Frequency -- Scripting Languages -- Scripting Language Options -- Bash -- Perl -- Python -- JavaScript and Java -- JavaScript and Node.js on the BBB 1 -- Java on the BBB -- C and C++ on the BeagleBone -- C and C++ Language Overview -- Compiling and Linking -- Writing the Shortest C/C++ Program -- Variables and Operators in C/C++ -- Pointers in C/C++ -- C-Style Strings -- LED Flashing Application in C -- The C of C++ -- First Example and Strings in C++ -- Passing by Value, Pointer, and Reference -- Flashing the LEDs Using C++ (non-OO) -- Writing Your Own Multi-Call Binary -- C++ with Classes -- Overview of Object-Oriented Programming -- Classes and Objects -- Encapsulation -- Inheritance -- Object-Oriented LED Flashing Code -- /Proc-Process Information File System -- GLIBC and Syscall -- Summary -- Further Reading -- Part II Interfacing, Controlling, and Communicating -- Chapter 6 Interfacing to the BeagleBone Input/Outputs -- General-Purpose Input/Outputs -- Introduction to GPIO Interfacing -- GPIO Digital Output -- GPIO Digital Input -- GPIO Confi guration -- Internal Pull-up and Pull-down Resistors -- GPIO Pin Configuration Settings.

C++ Control of GPIOs -- The Linux Device Tree -- The Flattened Device Tree (FDT) -- Device Tree Overlays (DTOs) -- Writing an Overlay -- Compiling and Deploying an Overlay -- The BBB Cape Manager -- Loading a Device Tree Overlay -- Removing an Overlay -- Loading an Overlay on Boot -- Analog Inputs and Outputs -- Analog Inputs -- Enabling the Analog Inputs -- Input Application-A Simple Light Meter -- Analog Outputs (PWM) -- Output Application-Controlling a Servo Motor -- Advanced GPIO Topics -- More C++ Programming -- Callback Functions -- POSIX Threads -- Linux poll (sys/poll.h) -- Enhanced GPIO Class -- GPIO-KEYS -- Using GPIOs without Using sudo -- Summary -- Further Reading -- Chapter 7 Cross-Compilation and the Eclipse IDE -- Setting Up a Cross-Compilation Toolchain -- A Toolchain for Debian -- Testing the Toolchain -- Cross-Compilation with Third-Party Libraries (Multiarch) -- Installing a Change Root -- Installing an armhf Change Root -- Emulating the armhf Architecture -- Cross-Compilation Using Eclipse -- Installing Eclipse on Desktop Linux -- Confi guring Eclipse for Cross-Compilation -- Remote System Explorer -- Integrating GitHub into Eclipse -- Remote Debugging -- Automatic Documentation (Doxygen) -- Adding Doxygen Support in Eclipse -- Building Debian for the BBB -- Summary -- Further Reading -- Chapter 8 Interfacing to the BeagleBone Buses -- Introduction to Bus Communication -- I2C -- I2C Hardware -- The ADXL345 Accelerometer -- Using Linux I2C-Tools -- i2cdetect -- i2cdump -- i2cget -- i2cset -- I2C Communication in C -- Wrapping I2C Devices with C++ Classes -- SPI -- SPI Hardware -- SPI on the BBB -- Enabling the First SPI Bus (SPI0) -- Testing the SPI Bus -- A First SPI Application (74HC595) -- Wiring the 74HC595 Circuit -- SPI Communication Using C -- Bidirectional SPI Communication in C++ -- The Second SPI Bus (SPI1).

The ADXL345 SPI Interface -- Connecting the ADXL345 to the BBB -- Wrapping SPI Devices with C++ Classes -- Three-Wire SPI Communication -- Multiple SPI Slave Devices on the BBB -- UART -- UARTs on the BBB -- The Arduino UART Example -- BeagleBone to Arduino Serial Communication -- Echoing the Minicom Program -- UART Echo Example in C -- UART Command Control of an Arduino -- Logic-Level Translation -- Summary -- Further Reading -- Chapter 9 Interacting with the Physical Environment -- Interfacing to Actuators -- DC Motors -- A BBB DC Motor Driver Circuit -- Controlling a DC Motor Using sysfs -- Controlling a DC Motor Using C++ -- Stepper Motors -- The EasyDriver Stepper Motor Driver -- A BBB Stepper Motor Driver Circuit -- Controlling a Stepper Motor Using C++ -- Relays -- Interfacing to Analog Sensors -- Protecting the BBB ADC Inputs -- Diode Clamping -- Op-Amp Clamping -- Analog Sensor Signal Conditioning -- Scaling Using Voltage Division -- Signal Offsetting and Scaling -- Analog Interfacing Examples -- Infrared Distance Sensing -- ADXL335 Conditioning Example -- Interfacing to Display Modules -- Seven-Segment Displays -- Character LCD Modules -- Remote Control BeagleBone -- Managing Services with Systemd -- BBB Serial Connection to Desktop -- Starting a Custom Service on Boot -- Bluetooth -- Installing an Adapter -- Loadable Kernel Modules -- Configuring a Bluetooth Adapter -- Making the BBB Discoverable -- Android Application Development with Bluetooth -- Building Dynamic Linked Libraries -- Summary -- Further Reading -- Part III Advanced BeagleBone Systems -- Chapter 10 The Internet of Things -- The Internet of Things (IoT) -- More Sensors (Things!) -- A Room Temperature Sensor -- Texas Instruments SensorTag -- Connecting to Bluetooth Smart Devices -- Building a Linux Package -- Controlling a Bluetooth Smart Device.

The BeagleBone as a Web Server.