iOS Native Application Development
( Duration: 3 Days )COURSE AGENDA
1
What Is the I/O Kit?
- Before You Begin
- I/O Kit Features
- Design Principles of the I/O Kit
- Limitations of the I/O Kit
- Language Choice
- Using Namespaces in an I/O Kit Driver
- Using Static Constructors in an I/O Kit Driver
- The Parts of the I/O Kit
- Frameworks and Libraries
- Applications and Tools
- Other I/O Kit Resources
- Should You Program in the Kernel?
- When Code Should Reside in the Kernel
- Alternatives to Kernel-Resident Code
2
Architectural Overview
- Driver Layering
- Families and Drivers
- Drivers and Nubs
- The Anatomy of an I/O Connection
- The Runtime Environment of Device Drivers
- Runtime Features
- Kernel Programming Constraints
- The I/O Registry and the I/O Catalog
- Driver Matching
- The I/O Kit Class Hierarchy
- The OS Classes
- The General I/O Kit Classes
- The I/O Kit Family Classes
- Controlling Devices From Outside the Kernel
- The Device - Interface Mechanism
- POSIX Device Files
3
The I/O Registry
- I/O Registry Architecture and Construction 37
- The I/O Registry Explorer 39
4
Driver and Device Matching
- Driver Personalities and Matching Languages
- Driver Matching and Loading
- Driver Matching
- Device Probing
- Driver Loading
- Device Matching
5
The Base Classes
- The libkern Base Classes
- Object Creation and Disposal (OSObject)
- Runtime Type Information (OSMetaClass)
- Defining C++ Classes in libkern
- The I/O Kit Base Classes
- Dynamic Driver Registration (IORegistryEntry)
- Basic Driver Behavior (IOService)
6
I/O Kit Families
- Drivers and Families
- Families As Libraries
- Library Versioning
- Library Loading
- The Programmatic Structure of Families
- Typical Classes
- Naming and Coding Conventions
- Creating An I/O Kit Family
7
Handling Events
- Work Loops
- Work Loop Architecture
- Shared and Dedicated Work Loops
- Examples of Obtaining Work Loops
- Event Sources
- Handling Interrupts
- Handling Timer Events
- I/O Requests and Command Gates
8
Managing Data
- Handling I/O Transfers
- Memory Descriptors and Memory Cursors
- Memory in an I/O Request
- Issues With 64 - Bit System Architectures
- Relaying I/O Requests
- More on Memory Descriptors
- More on Memory Cursors
- DMA and System Memory
- Dealing With Hardware Constraints
- IOMemoryCursor Subclasses
9
Managing Power
- Power Events
- The Power Plane: A Hierarchy of Power Dependencies
- Devices and Power States
- Deciding How to Implement Power Management in Your Driver
- Implementing Basic Power Management
- Implementing Advanced Power Management
- Defining and Using Multiple Power States
- Changing the Power State of a Device
- Implementing Idleness Determination and Idle Power Saving
- Receiving Notification of Power-State Changes in Other Devices
- Receiving Shutdown and Restart Notifications
- Keeping Power On for Future Device Attachment
10
Managing Device Removal
- The Phases of Device Removal
- Making Drivers Inactive
- Clearing I/O Queues
- Detaching and Releasing Objects
11
Base and Helper Class Hierarchy
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