| Fixed-Point Blockset |
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- What Is the Fixed-Point Blockset?
- Exploring the Blockset
- Related Products
- System Requirements
- Associated Products
- Using This Guide
- Expected Background
- Learning the Fixed-Point Blockset
- How This Book Is Organized
- Installation Information
- Typographical Conventions
- Physical Quantities and Measurement Scales
- Selecting a Measurement Scale
- Example: Selecting a Measurement Scale
- Why Use Fixed-Point Hardware?
- Why Use the Fixed-Point Blockset?
- The Development Cycle
- The Fixed-Point Blockset Library
- Fixed-Point Blocks
- Compatibility with Simulink Blocks
- How to Get Online Help
- An Overview of Blockset Features
- Configuring Fixed-Point Blocks
- Additional Features and Capabilities
- Example: Converting from Doubles to Fixed-Point
- Block Descriptions
- Simulation Results
- Demos
- Basic Demos
- Advanced Demos: Filters and Systems
- Fixed-Point Numbers
- Signed Fixed-Point Numbers
- Radix Point Interpretation
- Scaling
- Quantization
- Range and Precision
- Example: Fixed-Point Scaling
- Example: Constant Scaling for Best Precision
- Floating-Point Numbers
- Scientific Notation
- The IEEE Format
- Range and Precision
- Exceptional Arithmetic
- Limitations on Precision
- Rounding
- Padding with Trailing Zeros
- Example: Limitations on Precision and Errors
- Example: Maximizing Precision
- Limitations on Range
- Saturation and Wrapping
- Guard Bits
- Example: Limitations on Range
- Recommendations for Arithmetic and Scaling
- Addition
- Accumulation
- Multiplication
- Gain
- Division
- Summary
- Parameter and Signal Conversions
- Parameter Conversions
- Signal Conversions
- Rules for Arithmetic Operations
- Computational Units
- Addition and Subtraction
- Multiplication
- Division
- Shifts
- Example: Conversions and Arithmetic Operations
- Direct Form II
- Series Cascade Form
- Parallel Form
- Simulink Model of a Feedback Design
- Idealized Feedback Design
- Digital Controller Realization
- Simulation Results
- Simulation 1: Initial Guess at Scaling
- Simulation 2: Global Override
- Simulation 3: Automatic Scaling
- Simulation 4: Individual Override
- Targeting an Embedded Processor
- Size Assumptions
- Operation Assumptions
- Design Rules
- Integrator Realizations
- Trapezoidal Integration
- Backward Integration
- Forward Integration
- Derivative Realizations
- Filtered Derivative
- Derivative
- Lead Filter or Lag Filter Realization
- State-Space Realization
- Alphabetical List of Functions
- autofixexp
- fixptbestexp
- fixptbestprec
- fixpt_convert
- fixpt_convert_prep
- fixpt_restore_links
- float
- fpupdate
- fxptdlg
- sfix
- sfrac
- showfixptsimranges
- sint
- ufix
- ufrac
- uint
- The Block Reference Page
- The Block Dialog Box
- Common Block Features
- Block Parameters
- Block Icon Labels
- Port Data Type Display
- Blocks Grouped by Category
- Alphabetical List of Blocks
- FixPt Absolute Value
- FixPt Bitwise Operator
- FixPt Constant
- FixPt Conversion
- FixPt Conversion Inherited
- FixPt Data Type Propagation
- FixPt Dead Zone
- FixPt Dot Product
- FixPt Dynamic Look-Up Table
- FixPt FIR
- FixPt Gain
- FixPt Gateway In
- FixPt Gateway In Inherited
- FixPt Gateway Out
- FixPt Integer Delay
- FixPt Logical Operator
- FixPt Look-Up Table
- FixPt Look-Up Table (2D)
- FixPt Matrix Gain
- FixPt MinMax
- FixPt Multiport Switch
- FixPt Product
- FixPt Relational Operator
- FixPt Relay
- FixPt Saturation
- FixPt Sign
- FixPt Sum
- FixPt Switch
- FixPt Tapped Delay
- FixPt Unary Minus
- FixPt Unit Delay
- FixPt Zero-Order Hold
- Code Generation Support
- Languages
- Storage Class of Variables
- Storage Class of Parameters
- Rounding Modes
- Overflow Handling
- Blocks
- Scaling
- Generating Pure Integer Code
- Example: Generating Pure Integer Code
- Using the Simulink Accelerator
- Using External Mode or rsim Target
- External Mode
- Rapid Simulation Target
- Customizing Generated Code
- Macros Versus Functions
- Bit Sizes for Target C Compiler
| | Getting Started | |