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MPLAB® XC32 C Compiler User's Guide for PIC32A MCU
MPLAB® XC32 C Compiler User's Guide for PIC32A MCU
  1. Home
  2. 4 How To's
  3. 4.4 Getting My Application to Do What I Want
  4. 4.4.8 How Can I Rotate a Variable?

  • Notice to Development Tools Customers
  • 1 Preface
  • 2 Compiler Overview
  • 3 Compiler and Other Development Tools
  • 4 How To's
    • 4.1 Installing and Activating the Compiler
    • 4.2 Invoking the Compiler
    • 4.3 Writing Source Code
    • 4.4 Getting My Application to Do What I Want
      • 4.4.1 How Do I Generate Debug Information?
      • 4.4.2 Why No Disassembly in the MPLAB X IDE Disassembly Window?
      • 4.4.3 How Do I Share Data Between Interrupt and Main-line Code?
      • 4.4.4 How to Protect My Code After It Is Programmed Into a Device?
      • 4.4.5 How Do I Redirect Standard I/O When Using Printf?
      • 4.4.6 How Do I Place Variables in Off-Chip Memory?
      • 4.4.7 How Can I Implement a Delay in My Code?
      • 4.4.8 How Can I Rotate a Variable?
    • 4.5 Understanding the Compilation Process
    • 4.6 Fixing Code That Does Not Work
  • 5 XC32 Toolchain and MPLAB® X IDE
  • 6 Compiler Command-Line Driver
  • 7 Device-Related Features
  • 8 Differences Between MPLAB® XC32 and C Standard
  • 9 Supported Data Types and Variables
  • 10 Fixed-Point Arithmetic Support
  • 11 Memory Allocation and Access
  • 12 Operators and Statements
  • 13 Register Usage
  • 14 Functions
  • 15 Interrupts
  • 16 Main, Runtime Startup and Reset
  • 17 Mixing C and Assembly Code
  • 18 Library Routines
  • 19 Optimizations
  • 20 Preprocessing
  • 21 Linking Programs
  • 22 Implementation-Defined Behavior
  • 23 Embedded Compiler Compatibility Mode
  • 24 Common C Interface
  • 25 Diagnostic Pragmas
  • 26 Diagnostic Messages
  • 27 GNU Free Documentation License
  • 28 Built-in Functions
  • 29 Document Revision History
  • Microchip Information

4.4.8 How Can I Rotate a Variable?

The C language does not have a rotate operator, but rotations can be performed using the shift and bitwise OR operators. For more information, refer to the following sections:

Bitwise Operations on Signed Values (CCI)

Right-shifting Signed Values (CCI - Signed variables)

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