AVR-Chat

No, the world will not end in 2012, Dave ... or 2011.5, Jim.

Samperi and I'll hold a seat for you at the table when you're done with 
your excursions into crypticism.  Isn't that what "C" stands for, cryptic?


REB



wagnerj@proaxis.com wrote:
> Welcome to the world of the "kicking and screaming". No, the world will
> end in 2011.5 because I "converted" slightly before you.
>
> 'Tis my understanding that SOME compilers require the return statement.
> IAR perhaps? My understanding is that gcc does not require it but
> tolerates it.
>
> As for variable initialization, I can't provide any information with any
> confidence. My reference is the avr-libc documentation and the gas (gnu
> assembler) documentation. For gcc tutorial, Smiley has a nice book out
> with some of the chapters on line on his website.
>
> Jim Wagner
> Oregon Research Electronics
>
>   
>> Yes.. The world probably will end in 2012, brought about in no small
>> part by my conversion to C.
>>
>> I bought an AVR-LIP kit from Deccan, and am using WINAVR to get going.
>>
>> I have a few questions.
>>
>> All their examples have main as returning an int.
>> Returning a value from main, in a microcontroller is nonsensical, isn't
>> it?
>> Where would it return that to?
>> Why would I want to spend four bytes of RAM on that?
>>
>>
>> Declaring a variable:
>> Does C (or Winavr) init a declared variable to some defined state
>> ALWAYS, or do I have to?
>> I don't mind doing it, and I'm sure that's absolutely safe, but I
>> don't want to do un-necessary operations.
>> Would the compiler be smart enough to take out a redundant init of a
>> variable? (assuming right after declaration)
>>
>>
>> --
>>
>> "The very powerful and the very stupid have one thing in common. Instead
>> of
>> altering their views to fit the facts, they alter the facts to fit their
>> views... which can be very uncomfortable if you happen to be one of the
>> facts that needs altering." Doctor Who, Face of Evil
>>
>>     
>
>
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