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

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$A Guide to use Macros and Style Files in LATEX Contents$

32: Data pointers ..................................................................................................... 17433: Extended keywords summary ........................................................................... 19234: Pragma directives summary .............................................................................. 19935: Intrinsic functions summary .............................................................................. 21536: Functions for binary coded decimal operations ................................................ 21737: Functions for reading data that has a 20-bit address ......................................... 21938: Functions for writing data that has a 20-bit address ......................................... 22039: Predefined symbols ........................................................................................... 22640: Traditional standard C header files—DLIB ...................................................... 23341: Embedded C++ header files .............................................................................. 23442: Additional Embedded C++ header files—DLIB ............................................... 23543: Standard template library header files ............................................................... 23544: New standard C header files—DLIB ................................................................ 23645: IAR CLIB Library header files ......................................................................... 23946: Segment summary ............................................................................................. 24147: Message returned by strerror()—IAR DLIB library ......................................... 26148: Message returned by strerror()—IAR CLIB library ......................................... 264xxMSP430 IAR C/C++ CompilerReference Guide
PrefaceWelcome to the MSP430 IAR C/C++ Compiler Reference Guide. Thepurpose of this guide is to provide you with detailed reference informationthat can help you to use the MSP430 IAR C/C++ Compiler to best suit yourapplication requirements. This guide also gives you suggestions on codingtechniques so that you can develop applications with maximum efficiency.Who should read this guideYou should read this guide if you plan to develop an application using the C or C++language for the MSP430 microcontroller and need to get detailed reference informationon how to use the MSP430 IAR C/C++ Compiler. In addition, you should have aworking knowledge of the following:●●●●The architecture and instruction set of the MSP430 microcontroller. Refer to thedocumentation from Texas Instruments for information about the MSP430microcontrollerThe C or C++ programming languageApplication development for embedded systemsThe operating system of your host computer.How to use this guideWhen you start using the MSP430 IAR C/C++ Compiler, you should read Part 1. Usingthe compiler in this guide.When you are familiar with the compiler and have already configured your project, youcan focus more on Part 2. Reference information.If you are new to using the IAR Systems build tools, we recommend that you first studythe MSP430 IAR Embedded Workbench® IDE User Guide. This guide contains aproduct overview, tutorials that can help you get started, conceptual and userinformation about the IAR Embedded Workbench IDE and the IAR C-SPY® Debugger,and corresponding reference information.xxi
Page 1 and 2: MSP430 IAR C/C++ CompilerReference
Page 3 and 4: Brief contentsTables ..............
Page 5: 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 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 58 and 59: Placing segments in memoryfrom the
Page 60 and 61: Placing segments in memorySee the I
Page 62 and 63: Data segmentsexample DATA16 and __d
Page 64 and 65: Data segmentsThe data segment used
Page 66 and 67: Data segmentsAdd the required heap
Page 68 and 69: 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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