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Blank Arduino Sketch Uses 450 Bytes of Program Storage Space and has 9 Bytes of Global Variable?

oogutierrez

Does anyone know why a blank Arduino Sketch Uses 450 Bytes of Program Storage Space and has 9 Bytes of Global Variable? Why?

How does this compare with other AVR compilers?

 

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Parents

  • Hi all, I'm new to Arduino and C programming.  I noticed the version of the compiler being used.  Its V1.7.3.  The latest release is V1.6.4  Is it something to do with the version?  Also, is this just to insure that you use as little of the Arduino memory for your programs.  Thanks.

     

    Regards,

     

    Dave M.

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  • Hi all, I'm new to Arduino and C programming.  I noticed the version of the compiler being used.  Its V1.7.3.  The latest release is V1.6.4  Is it something to do with the version?  Also, is this just to insure that you use as little of the Arduino memory for your programs.  Thanks.

     

    Regards,

     

    Dave M.

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  • in reply to dmaruska

    dmaruska, yes this is to compare and see which IDE would produce less memory usage.

    i understand that Arduino may be quite easier to use but I am interested to see if other IDEs will get us better mileage and hopefully try to learn to code with the best one.

    since Arduino is simply a program and I believe you can program it with other AVR programming capable IDEs.

     

    i have been playing around with the Arduino IDE and sometimes find it uses so much memory that I sometimes run low in memory and get a 'low memory' warning of which I cannot explain and trying to understand why myself. also, be careful with using  so much 'serial.print()' in your code as it is a memory hog.