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MPLAB® XC32 C/C++ Compiler User's Guide for PIC32M MCUs
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30
PIC32 DSP Library
30.7
Frequency Domain Transform Functions
Notice to Development Tools Customers
1
Preface
2
Compiler Overview
3
How To's
4
XC32 Toolchain and MPLAB X IDE
5
Command-line Driver
6
ANSI C Standard Issues
7
Device-Related Features
8
Supported Data Types and Variables
9
Memory Allocation and Access
10
Floating-point Support
11
Fixed-Point Arithmetic Support
12
Operators and Statements
13
Register Usage
14
Stack
15
Functions
16
Interrupts
17
Main, Runtime Start-up and Reset
18
Library Routines
19
Mixing C/C++ and Assembly Language
20
Optimizations
21
Preprocessing
22
Linking Programs
23
Embedded Compiler Compatibility Mode
24
Common C Interface
25
C Implementation-Defined Behavior
26
C++ Implementation-Defined Behavior
27
Deprecated Features
28
Built-in Functions
29
Built-In DSP Functions
30
PIC32 DSP Library
30.1
Overview
30.2
Fixed-Point Types
30.3
Saturation, Scaling, and Overflow
30.4
Array Alignment and Length Restrictions
30.5
Vector Math Functions
30.6
Filtering Functions
30.7
Frequency Domain Transform Functions
30.7.1
mips_fft16
30.7.2
mips_fft16_setup – Function Deprecated
30.7.3
mips_fft32
30.7.4
mips_fft32_setup – Function Deprecated
30.8
Video Processing Functions
31
PIC32 Debug-Support Library
32
DSP Wrapper Functions
33
ASCII Character Set
34
Document Revision History
Microchip Information
30.7 Frequency Domain Transform Functions
