SLAU646F September   2015  – June 2020

 

  1.   Read This First
    1.     How to Use This User's Guide
    2.     Related Documentation
    3.     If You Need Assistance
    4.     Trademarks
  2. 1Introduction
  3. 2Installing MSP430 GCC Toolchain
    1. 2.1 Installing MSP430 GCC in CCS Releases Before v7.2
    2. 2.2 Installing MSP430 GCC as Stand-Alone Package
  4. 3Using MSP430 GCC Within CCS
    1. 3.1 Create New Project
    2. 3.2 Debug Using MSP-FET, MSPFET430UIF, eZ-FET, eZ430
    3. 3.3 Build Options for MSP430 GCC
      1. 3.3.1  GNU Compiler
      2. 3.3.2  GNU Compiler: Runtime
      3. 3.3.3  GNU Compiler: Symbols
      4. 3.3.4  GNU Compiler: Directories
      5. 3.3.5  GNU Compiler: Optimization
      6. 3.3.6  GNU Compiler: Preprocessor
      7. 3.3.7  GNU Compiler: Assembler
      8. 3.3.8  GNU Compiler: Debugging
      9. 3.3.9  GNU Compiler: Diagnostic Options
      10. 3.3.10 GNU Compiler: Miscellaneous
      11. 3.3.11 GNU Linker
      12. 3.3.12 GNU Linker: Basic
      13. 3.3.13 GNU Linker: Libraries
      14. 3.3.14 GNU Linker: Symbols
      15. 3.3.15 GNU Linker: Miscellaneous
      16. 3.3.16 GNU Objcopy Utility
    4. 3.4 CCS Compared to MSP430 GCC
  5. 4MSP430 GCC Stand-Alone Package
    1. 4.1 MSP430 GCC Stand-Alone Package Folder Structure
    2. 4.2 Package Content
    3. 4.3 MSP430 GCC Options
    4. 4.4 MSP430 Built-in Functions
    5. 4.5 Using MSP430 GCC Support Files
    6. 4.6 Quick Start: Blink the LED
      1. 4.6.1 Building with a Makefile
      2. 4.6.2 Building Manually with gcc
      3. 4.6.3 Debugging
        1. 4.6.3.1 Starting GDB Agent
          1. 4.6.3.1.1 Using the GUI
          2. 4.6.3.1.2 Using the Command Line
        2. 4.6.3.2 Debugging With GDB
          1. 4.6.3.2.1 Running a Program in the Debugger
          2. 4.6.3.2.2 Setting a Breakpoint
          3. 4.6.3.2.3 Single Stepping
          4. 4.6.3.2.4 Stopping or Interrupting a Running Program
      4. 4.6.4 Creating a New Project
    7. 4.7 GDB Settings
      1. 4.7.1 Console Application
      2. 4.7.2 Optional Parameters for msp430.dat
      3. 4.7.3 GUI Application
      4. 4.7.4 Attaching the Debugger
      5. 4.7.5 Configuring the Target Voltage
      6. 4.7.6 Resetting the Target
      7. 4.7.7 Halting the Target
  6. 5MSP430 GCC Features
    1. 5.1 C/C++ Attributes
      1. 5.1.1 GCC Function Attribute Support
      2. 5.1.2 GCC Data Attribute Support
      3. 5.1.3 GCC Section Attribute Support
    2. 5.2 Hints for Reducing the Size of MSP430 GCC Programs
      1. 5.2.1 The -mtiny-printf Option
      2. 5.2.2 The -ffunction-sections and -fdata-sections Options
      3. 5.2.3 Making Large Programs Fit Across Upper and Lower Memory
      4. 5.2.4 NOP Instructions Surrounding Interrupt State Changes
    3. 5.3 C Runtime Library (CRT) Startup Behavior
    4. 5.4 Using printf with MSP430 GCC
    5. 5.5 Link-time Optimization (LTO)
    6. 5.6 The __int20 Type and Pointers in the Large Memory Model
  7. 6Building MSP430 GCC From Sources
    1. 6.1 Required Tools
    2. 6.2 Building MSP430 GCC (Mitto Systems Limited)
      1. 6.2.1 Building a Native MSP430 GCC Toolchain
      2. 6.2.2 Building the MSP430 GCC Toolchain for Windows
    3. 6.3 Building MSP430 GCC Stand-Alone Full Package
  8. 7MSP430 GCC and MSPGCC
    1. 7.1 Calling Convention
    2. 7.2 Other Portions of the ABI
  9. 8Appendix
    1. 8.1 GCC Intrinsic Support
    2. 8.2 NOP Instructions Required Between Interrupt State Changes
  10. 9References
  11.   Revision History

Related Documentation

The primary sources of MSP430 information are the device-specific data sheets and user's guides. The MSP430 website contains the most recent version of these documents.

The GCC documentation can be found at http://www.gnu.org. All related information for the MSP430 GCC toolchain is available at http://www.ti.com/tool/msp430-gcc-opensource.

Documents that describe the Code Composer Studio tools (CCS IDE, assembler, C compiler, linker, and librarian) can be found at http://www.ti.com/tool/ccstudio. The TI Resource Explorer and the Tools forum on TI E2E™ provide additional help.

MSP430 GCC documentation

Using the GNU Compiler Collection, Richard M. Stallman (http://gcc.gnu.org/onlinedocs/gcc.pdf). Refer to the MSP430 Options section.

GDB: The GNU Project Debugger, Free Software Foundation, Inc. (https://sourceware.org/gdb/current/onlinedocs/)

GCC for MSP430™ Microcontrollers Quick Start Guide

Calling Convention and ABI Changes in MSP GCC

CCS documentation

MSP430™ Assembly Language Tools User's Guide

MSP430™ Optimizing C/C++ Compiler User's Guide

Code Composer Studio™ IDE for MSP430™ MCUs User's Guide

MSP430 development tools documentation

MSP430™ Hardware Tools User's Guide

eZ430-F2013 Development Tool User's Guide

eZ430-RF2480 User's Guide

eZ430-RF2500 Development Tool User's Guide

eZ430-RF2500-SEH Development Tool User's Guide

eZ430-Chronos™ Development Tool User's Guide

MSP-EXP430G2 LaunchPad™ Development Kit User's Guide

Advanced debugging using the enhanced emulation module (EEM) with Code Composer Studio IDE

MSP430 device data sheets

MSP430 device family user's guides

MSP430x1xx Family User's Guide

MSP430x2xx Family User's Guide

MSP430x3xx Family User's Guide

MSP430F4xx Family User's Guide

MSP430F5xx and MSP430F6xx Family User's Guide

MSP430FR4xx and MSP430FR2xx Family User's Guide

MSP430FR57xx Family User's Guide

MSP430FR58xx, MSP430FR59xx, and MSP430FR6xx Family User's Guide