Front Cover -- Copyright -- Contents -- Introduction -- 1 USB Basics -- Uses and Limits -- Benefits for Users -- Benefits for Developers -- What USB Can't Do -- USB versus Ethernet -- USB versus IEEE-1394 -- Evolution of an Interface -- USB 1.0 -- USB 1.1 -- USB 2.0 -- USB 3.0 -- USB On-The-Go -- Wireless USB -- Bus Components -- Topology -- Bus Speed Considerations -- Terminology -- Division of Labor -- The Host's Duties -- The Device's Duties -- Bus Speeds and Data Throughput -- Developing a Device -- Components -- Tools for Developing -- Steps in Developing a Project -- USB 3.0 Frequently Asked Questions -- Features -- Compatibility -- Cables -- Power -- 2 Inside USB Transfers -- Transfer Basics -- The Essentials -- Purposes for Communication -- Managing Data on the Bus -- Elements of a Transfer -- Endpoints: the Source and Sink of Data -- Transaction Types -- Pipes: Connecting Endpoints to the Host -- Types of Transfers -- Stream and Message Pipes -- Initiating a Transfer -- USB 2.0 Transactions -- Transaction Phases -- Packet Sequences -- Timing Constraints and Guarantees -- Split Transactions -- Ensuring Successful Transfers -- Status and Control -- Reporting the Status of Control Transfers -- Error Checking -- SuperSpeed Transactions -- Packet Types -- Transferring Data -- Link Management Packets -- 3 A Transfer Type for Every Purpose -- Control Transfers -- Availability -- Structure -- Data Size -- Speed -- Detecting and Handling Errors -- Device Responsibilities -- Bulk Transfers -- Availability -- Structure -- Data Size -- Speed -- Detecting and Handling Errors -- Device Responsibilities -- Interrupt Transfers -- Availability -- Structure -- Data Size -- Speed -- Detecting and Handling Errors -- Device Responsibilities -- Isochronous Transfers -- Availability -- Structure -- Data Size -- Speed -- Detecting and Handling Errors.

Device Responsibilities -- More about Time-critical Transfers -- Bus Bandwidth -- Device Capabilities -- Host Capabilities -- Host Latencies -- 4 Enumeration: How the Host Learns about Devices -- The Process -- Enumeration Steps -- Device Removal -- Tips for Successful Enumeration -- Descriptors -- Types -- Device -- Device_Qualifier -- Configuration -- Other_Speed_Configuration -- Interface Association -- Interface -- Endpoint -- SuperSpeed Endpoint Companion -- String -- Binary Object Store and Device Capability -- Other Standard Descriptors -- Microsoft OS Descriptors -- Updating Descriptors to USB 2.0 -- 5 Control Transfers: Structured Requests for Critical Data -- Elements of a Control Transfer -- Setup Stage -- Data Stage -- Status Stage -- Handling Errors -- Device Firmware -- Standard Requests -- Get Status -- Clear Feature -- Set Feature -- Set Address -- Get Descriptor -- Set Descriptor -- Get Configuration -- Set Configuration -- Get Interface -- Set Interface -- Synch Frame -- Set SEL -- Set Isochronous Delay -- Other Requests -- Class-Specific Requests -- Vendor-Defined Requests -- 6 Chip Choices -- Components of a USB Device -- Inside a USB 2.0 Controller -- Other Device Components -- Simplifying Device Development -- Device Requirements -- Chip Documentation -- Driver Choices -- Debugging Tools -- USB Microcontrollers -- Microchip PIC18F4550 -- Cypress EZ-USB -- ARM -- Controllers that Interface to CPUs -- ST-NXP Wireless ISP1582 -- PLX Technology NET2272 -- FTDI USB UART and USB FIFO -- 7 Device Classes -- Elements and Use -- Approved Specifications -- Elements of a Class Specification -- Defined Classes -- Audio -- Communications -- Content Security -- Device Firmware Upgrade -- Human Interface -- IrDA Bridge -- Mass Storage -- Personal Healthcare -- Printer -- Smart Card -- Still Image Capture -- Test and Measurement -- Video.

Implementing Non-standard Functions -- Choosing a Driver -- Using a Generic Driver -- Converting from RS-232 -- Converting from the Parallel Port -- PC-to-PC Communications -- 8 How the Host Communicates -- Device Drivers -- The Layered Driver Model -- User and Kernel Modes -- Inside the Layers -- Applications -- User-mode Client Drivers -- Kernel-mode Client Drivers -- Bus and Host-Controller Drivers -- Writing Drivers -- Kernel-mode Drivers -- User-mode Drivers -- Testing Tools -- Using GUIDs -- Device Setup GUIDs -- Device Interface GUIDs -- 9 Matching a Driver to a Device -- Using the Device Manager -- Viewing Devices -- Property Pages -- Device Information in the Registry -- The Hardware Key -- The Class Key -- The Driver Key -- The Service Key -- Inside INF Files -- Structure and Syntax -- Device-specific Values -- Using Device Identification Strings -- Finding a Match -- When to Provide an INF File -- Tools and Diagnostic Aids -- Tips for Using INF Files -- What the User Sees -- 10 Detecting Devices -- A Brief Guide to Calling API Functions -- Managed and Unmanaged Code -- Managing Data -- Finding Your Device -- Obtaining the Device Interface GUID -- Requesting a Pointer to a Device Information Set -- Identifying a Device Interface -- Requesting a Structure with the Device Path Name -- Extracting the Device Path Name -- Closing Communications -- Obtaining a Handle -- Requesting a Communications Handle -- Closing the Handle -- Detecting Attachment and Removal -- About Device Notifications -- Registering for Device Notifications -- Capturing Device Change Messages -- Reading Device Change Messages -- Retrieving the Device Path Name in the Message -- Stopping Device Notifications -- 11 Human Interface Devices: Using Control and Interrupt Transfers -- What is a HID? -- Hardware Requirements -- Firmware Requirements -- Descriptors.

The HID Interface -- HID Class Descriptor -- Report Descriptors -- HID-specific Requests -- Get Report -- Get Idle -- Get Protocol -- Set Report -- Set Idle -- Set Protocol -- Transferring Data -- Writing Firmware -- Tools -- 12 Human Interface Devices: Reports -- Report Structure -- Using the HID Descriptor Tool -- Control and Data Item Values -- Item Format -- The Main Item Type -- Input, Output, and Feature Items -- Collections -- The Global Item Type -- Identifying the Report -- Describing the Data's Use -- Converting Units -- Converting Raw Data -- Describing the Data's Size and Format -- Saving and Restoring Global Items -- The Local Item Type -- Physical Descriptors -- Padding -- 13 Human Interface Devices: Host Application -- HID API Functions -- Requesting Information about the HID -- Sending and Receiving Reports -- Providing and Using Report Data -- Managing HID Communications -- Identifying a Device -- Reading the Vendor ID and Product ID -- Getting a Pointer to Device Capabilities -- Getting the Device's Capabilities -- Getting the Capabilities of the Buttons and Values -- Sending and Receiving Reports -- Sending an Output Report to the Device -- Reading an Input Report from the Device -- Writing a Feature Report to the Device -- Reading a Feature Report from a Device -- Closing Communications -- 14 Using WinUSB for Vendor-Defined Functions -- Capabilities and Limits -- Device Requirements -- Host Requirements -- Device Firmware -- Assigning the WinUSB Driver -- Accessing the Device -- Obtaining a WinUSB Handle -- Requesting an Interface Descriptor -- Identifying the Endpoints -- Setting Pipe Policies -- Writing Data via Bulk and Interrupt Transfers -- Reading Data via Bulk and Interrupt Transfers -- Using Vendor-defined Control Transfers -- Closing Communications -- 15 All About Hubs -- USB 2.0 -- The Hub Repeater.

The Transaction Translator -- The Hub Controller -- Speed -- Maintaining Active Links -- USB 3.0 -- Bus Speeds -- Components -- Managing Traffic -- The Hub Class -- Hub Descriptors -- Hub Class Requests -- Port Indicators -- 16 Managing Power -- Power Options -- Voltages -- Using Bus Power -- Power Needs -- Informing the Host -- Battery Charging -- Hub Power -- Power Sources -- Over-current Protection -- Power Switching -- Saving Power -- USB 2.0 Link Power Management -- Suspend State -- Sleep State -- SuperSpeed Power Management -- Power Management under Windows -- 17 Testing and Debugging -- Tools -- Hardware Protocol Analyzers -- Software Protocol Analyzers -- Traffic Generators -- Testing -- Compliance -- Windows Logo -- 18 Packets on the Bus -- USB 2.0 -- Low Speed and Full Speed Bus States -- High Speed Bus States -- Data Encoding -- Staying Synchronized -- Timing Accuracy -- Packet Format -- Inter-Packet Delay -- Test Modes -- SuperSpeed -- Data Scrambling -- Encoding -- Link Layer -- Reset -- 19 The Electrical and Mechanical Interface -- USB 2.0 Transceivers -- Cable Segments -- Low- and Full-Speed Transceivers -- High-speed Transceivers -- Signal Voltages -- USB 2.0 Cables -- Conductors -- Connectors -- Detachable and Captive Cables -- Cable Length -- Bus Length -- Inter-Chip Connections -- USB 3.0 -- Transmitters and Receivers -- Cables -- Ensuring Signal Quality -- Sources of Noise -- Balanced Lines -- Twisted Pairs -- Shielding -- Edge Rates -- Isolated Interfaces -- Going Wireless -- Certified Wireless USB -- Cypress WirelessUSB -- Other Options -- 20 Hosts for Embedded Systems -- USB On-The-Go -- Capabilities and Limits -- The OTG Connector -- The A-Device and B-Device -- Requirements for an OTG Device -- The OTG Descriptor -- Feature Codes for HNP -- Other Host Options -- Requirements -- Device Ports -- Controller Chips.

Microcontrollers.