This is a pseudo Fortran77 compiler for Atmel/Microchip AVR microcontroller,
written in Fortran using gfortran compiler.
The compiler use avr-gcc as dependency.

As of version 1.0.3-1 (8 July 2026), the compiler introduces near-comprehensive native compatibility with Fortran 77 syntax.

For Windows version (64bit), click
https://sourceforge.net/projects/avr-gfortran/files/avr-gfortran-1.0.3-alpha-2026/avr-gfortran-win-1.0.3-1.zip/download

Linux version (64bit), click
https://sourceforge.net/projects/avr-gfortran/files/avr-gfortran-1.0.3-alpha-2026/avr-gfortran-linux-1.0.3-1.tar.xz/download

User guide, click
https://sourceforge.net/projects/avr-gfortran/files/user_guide-1.0.3.pdf/download

Example Code for Learning and Testing, click
https://sourceforge.net/projects/avr-gfortran/files/example%20code/new-example-July-2026/example_code_July_2026.zip/download

If you find any bugs, or need some features, or just want to say "hello", just post any comment ;-)

Features

  • Simple I/O operations
  • Simple ADC data read
  • Simple LCD handling
  • Simple UART Communication
  • Simple PWM generation & reading
  • Operate in interrupt-driven mode by default to comply with industrial standards
  • Develop a memory-safe binary designed for continuous execution throughout the chip's lifespan
  • Utilize custom, high-speed math routines optimized for performance without relying on standard library dependencies
  • The system now features near-complete native Fortran support

Project Samples

Code Sample 1 Code Sample 2 (UART) Code Sample 3 (Arduino UNO R3/Atmega328p) Code Sample 4 Code Sample 5 Code Sample 6

Project Activity

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Categories

Code Generators, Compilers, Embedded Systems

License

MIT License

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  • muhammad-fainal Posted 2018-11-27
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Additional Project Details

Operating Systems

Linux, Windows

Intended Audience

Engineering

Programming Language

Fortran

Related Categories

Fortran Code Generators, Fortran Compilers, Fortran Embedded Systems Software

Registered

2018-11-16
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