MSP430 IAR C/C++ Compiler reference guide - Rice University

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Library functions ............................................................................................. 231Segment reference ......................................................................................... 241Implementation-defined behavior .......................................................... 251Index ..................................................................................................................... 265ivMSP430 IAR C/C++ CompilerReference Guide
ContentsTables ..................................................................................................................... xixPreface ................................................................................................................... xxiWho should read this guide ..............................................................xxiHow to use this guide .........................................................................xxiWhat this guide contains .................................................................xxiiOther documentation ........................................................................xxiiiFurther reading ................................................................................xxivDocument conventions .....................................................................xxivTypographic conventions ................................................................xxivPart 1. Using the compiler ......................................................... 1Getting started .................................................................................................... 3IAR language overview ........................................................................... 3Supported MSP430 devices .................................................................. 4Building applications—an overview .................................................. 4Compiling ............................................................................................. 4Linking ................................................................................................ 5Basic settings for project configuration .......................................... 5Processor configuration ........................................................................ 6Position-independent code ................................................................... 7Data model (MSP4300X only) ............................................................ 7Size of double floating-point type ........................................................ 7Optimization for speed and size ........................................................... 8Runtime environment ........................................................................... 8Special support for embedded systems ........................................ 10Extended keywords ............................................................................ 10Pragma directives ............................................................................... 10Predefined symbols ............................................................................ 10Special function types ........................................................................ 11Header files for I/O ............................................................................ 11v
Page 1 and 2: MSP430 IAR C/C++ CompilerReference
Page 3: Brief contentsTables ..............
Page 8 and 9: Standard streams for input and outp
Page 10 and 11: Functions .........................
Page 12 and 13: -e ................................
Page 14 and 15: C language extensions .............
Page 16 and 17: __enable_interrupt ................
Page 18 and 19: Implementation-defined behavior ...
Page 20 and 21: 32: Data pointers .................
Page 22: What this guide containsWhat this g
Page 25 and 26: PrefaceStyle[option]{option}a|b|cbo
Page 27: Part 1. Using the compilerThis part
Page 30 and 31: Supported MSP430 devicesIt is also
Page 32 and 33: Basic settings for project configur
Page 34 and 35: Basic settings for project configur
Page 36 and 37: Special support for embedded system
Page 38 and 39: Special support for embedded system
Page 40 and 41: Data models (MSP430X only)●means
Page 42 and 43: Memory types (MSP430X only)The MSP4
Page 44 and 45: Memory types (MSP430X only)Type def
Page 46 and 47: C++ and memory types (MSP430X only)
Page 48 and 49: Dynamic memory on the heapAnother p
Page 50 and 51: Primitives for interrupts, concurre
Page 52 and 53: Primitives for interrupts, concurre
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Primitives for interrupts, concurre
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Primitives for interrupts, concurre
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Placing segments in memoryfrom the
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Placing segments in memorySee the I
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Data segmentsexample DATA16 and __d
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Data segmentsThe data segment used
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Data segmentsAdd the required heap
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C++ dynamic initializationINTERRUPT
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Verifying the linked result of code
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Introduction to the runtime environ
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Using a prebuilt libraryThe followi
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Using a prebuilt library● is one
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Choosing formatters for printf and
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Overriding library modulesNote: If
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System startup and terminationThe l
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System startup and termination●
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Standard streams for input and outp
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Configuration symbols for printf an
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LocaleNote: If you link your librar
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Environment interactiondescribes th
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StrtodStrtodThe function strtod doe
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C-SPY Debugger runtime interface* T
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Checking module consistencyObject f
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Checking module consistencyIf this
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Runtime environment● Position-ind
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Input and output_medium_writeThe _m
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Overriding default library modules
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Checking module consistency82MSP430
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Mixing C and assemblerAn intrinsic
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Calling assembler routines from CIn
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Calling assembler routines from C++
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Calling conventionCHOOSING A CALLIN
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Calling conventionPreserved registe
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Calling conventionStack parameters
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Calling conventionExample 2This exa
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Call frame informationA full descri
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Call frame information100MSP430 IAR
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Overview●●●Runtime type infor
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Feature descriptionsalso apply to o
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Feature descriptionsA new expressio
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Feature descriptionsTemplates and d
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Feature descriptionsExamplevector d
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C++ language extensions●Constants
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Selecting data types● Declaring a
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Controlling data and function place
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Controlling data and function place
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Controlling compiler optimizationsT
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Controlling compiler optimizationss
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Writing efficient code}*p2 = 0;*p1
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Writing efficient codeint test(); /
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Writing efficient codeWDTCNTCL = 0x
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Writing efficient code130MSP430 IAR
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132
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Include file search procedure●Via
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Diagnostics●●●Diagnostic mess
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DiagnosticsFatal errorA diagnostic
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Options syntaxFor options with a lo
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Compiler options summaryCompiler op
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Descriptions of optionsCommand line
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Descriptions of optionsDescriptionF
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Descriptions of options--diag_remar
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Descriptions of optionsTo set relat
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Descriptions of options--error_limi
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Descriptions of optionsFor informat
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Descriptions of optionsdocumentatio
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Descriptions of optionsNote: This o
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Descriptions of optionsThis option
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Descriptions of options--output, -o
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Descriptions of options--reduce_sta
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Descriptions of options--silentSynt
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Descriptions of options168MSP430 IA
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Basic data typesThe MSP430 IAR C/C+
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Basic data typesFLOATING-POINT TYPE
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Pointer typesDATA POINTERSThe follo
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Type qualifiersThe following diagra
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Data types in C++constant and non-c
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C language extensionsinstructions.
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C language extensionsIn the followi
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C language extensions{char a;unsign
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C language extensionsMINOR LANGUAGE
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C language extensionsint test(int x
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General syntax rules for extended k
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Summary of extended keywordsThe fol
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Descriptions of extended keywordsSe
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Descriptions of extended keywords__
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Descriptions of extended keywordsTh
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Descriptions of pragma directivesPr
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Descriptions of pragma directivesco
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Descriptions of pragma directivesdi
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Descriptions of pragma directivesin
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Descriptions of pragma directivesno
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Descriptions of pragma directivesna
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Descriptions of pragma directivesEx
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Descriptions of pragma directivesEx
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Descriptions of intrinsic functions
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Descriptions of predefined preproce
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Descriptions of miscellaneous prepr
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Descriptions of miscellaneous prepr
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IntroductionLIBRARY OBJECT FILESMos
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IAR DLIB LibraryHeader filestdbool.
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IAR DLIB LibraryThe following table
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IAR CLIB Librarystdio.hIn stdio.h,
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IAR CLIB Library240MSP430 IAR C/C++
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Descriptions of segmentsSegmentDATA
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Descriptions of segmentsDATA16_CDes
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Descriptions of segmentsDATA20_ACDe
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Descriptions of segmentsDATA20_ZDes
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Descriptions of segments250MSP430 I
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Descriptions of implementation-defi
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inary streams (CLIB) . . . . . . .
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CSTACK (segment)example . . . . . .
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--double (compiler option) . . . .
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eentrancy (DLIB) . . . . . . . . .
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ISO/ANSI Ccompiler extensions . . .
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memory segment. See segmentmemory t
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asic_template_matching, using . . .
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S--save_reg20 (compiler option). .
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strtod, in stdlib.h . . . . . . . .
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wchar.h (library header file) . . .
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__no_operation (intrinsic function)
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MSP430 IAR C/C++ Compiler reference guide - Rice University

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