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Bingo600

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Posts posted by Bingo600

    newbie question! how do I use UARTprintf with floats?

    in General

    Posted · Edited by bluehash
    Added code tags.

    ftoa(g,str);         // I've defined g as float and str as " char *str; "

     

    Did you remember to let str  point at a something valid ?

    Using just str would garble something ...... Whatever str i pointing at ...

     

     

     

    {
char buffer[20] , *str;

str = buffer;

ftoa(g,str)

}


or - just plain

{
char buffer[20];
 ftoa(g,buffer);
}

 

     

     

    Ohh btw ... I didn't really look at the ftoa() , but shouldn't that generated string be terminated with a '\0' before returning

     

     

    /Bingo

    SLLogicLogger - A simple logic analyser for the Stellaris Launchpad

    in Projects

    Posted

    Thomas

     

       Can I ask what complier your using to build this?

     

     

    Thanks

     

    While i don't know what compiler Thomas is using , my guess would be Yagarto.

    http://www.yagarto.de/

     

    It's a well proven arm-gcc compiler for windows , and the latest version generates very tight code.

    That the Yagarto homepage and author is German based like Thomas , doesn't hurt either.

     

    But that's all a qualified guess.

     

    Thomas could be "linux based" ...

     

     

    /Bingo

    CCS license expired... now what?

    in Compilers and IDEs

    Posted

    I'm using Code::Blocks IDE 12.xx on Linux Mint 14.1 Mate - (fast and native as in not java)

    To avoid all the "plugin" issues , i'm using makefiles ... And not "Clicky..Clicky".

    This gives me the advantage of being able to compile for any arm-gcc supported mcu  TI,NXP,ST,Atmel.

     

    So primarily i use CB for editor , and the debugger (uses arm-gdb)

     

    Ohh and i second , using the "launchpad" arm compiler.

     

    I previously used CodeSourcery lite , but after Mentor took over i have abandoned due to all the register stuff.

     

    And i have a feeling that , while ARM was backing up CodeSourcey ($$) before the Mentor takeover.

    ARM have moved their support to the "launchpad" arm-gcc , and therefore the launchpad gcc is the one with the most recent features.

     

    /Bingo

     

     

    Edit: I use this repos/ppa  (the stock CB is too old) -  

     

    /etc/apt/sources.list

     

    #
    # http://lgp203.free.fr/ubuntu/
    #
    deb http://lgp203.free.fr/ubuntu quantal universe
    deb-src http://lgp203.free.fr/ubuntu quantal universe
     

    Which chip revision in your EK-LM4F120XL Stellaris Launchpad ?

    in General

    Posted

    I'm expecting another 2 x 4.95$ boards in December.

    Will have a look when they arrive.

     

    /Bingo

    Just got the 2 new ones , also LX chips.

     

    But i never would have guessed they they were that hancicapped :-(

    http://e2e.ti.com/support/microcontrollers/stellaris_arm_cortex-m3_microcontroller/f/471/t/233624.aspx

     

    TI says timerbased port toggle is a No..No on the current chips

     

    Well it was cheap.

     

    /Bingo

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