AVR-Chat

I believe it's the difference between

void foo();

And

void foo(void);

The first is a function that takes unspecified parameters and the second
is a function that takes no parameters.

-- Paul.

> -----Original Message-----
> From: Chuck Hackett [mailto:egroupscdh@WhiteTrout.net] 
> Sent: 08 April 2005 13:13
> To: AVR-Chat@yahoogroups.com
> Subject: [AVR-Chat] Code Conversion
> 
> 
> I have purchased an ATMega16 based board to connect a project 
> to the Internet.
> I'm attempting to compile my first real embedded program.  
> The example code that came with the board was written for 
> ImageCraft's ICCAVR Pro C compiler and I'm currently 
> converting it to WINAVR.  I'm trying to digest all the 
> documentation but my unfamiliarity with both compilers is 
> hampering me.  If you would indulge me with a couple of questions:
> 
> I have two functions that are being flagged with the 
> following warning:
> 
> "function declaration isn't a prototype"
> 
> One is declared:
> 
> void overrun()
> {
> ...
> }
> 
> ... and the other ...
> 
> void init_ASIX88796L()
> {
> ...
> }
> 
> Both functions are declared prior to their first use and 
> there are other "void funct()" functions which do not cause warnings.
> 
> - What exactly is this trying to tell me?
> - Where can I find descriptions of the various warnings and 
> errors from WINAVR?
> 
> 
> I came across a couple of occurrences of:
> 
>     do{
>         ...
>         result = byte_read & RDC;
>     }while (result = 0);
> 
> Shouldn't "while (result = 0)" be "while (result == 0)" ?
> 
> 
> If I understand it correctly I should convert the following code:
> 
> #pragma interrupt_handler USART_RX_interrupt:iv_USART_RX ...
> void USART_RX_interrupt( void )
> {
> ...
> }   
> 
> ... to ...
> 
> SIGNAL(SIG_USART_RECV)
> {
> ...
> }   
> 
> 
> Are there general guidelines available on the Internet 
> concerning converting ImageCraft's ICCAVR Pro C code to WINAVR?
> 
> Thanks in advance for your help.
> 
> Cheers,
> 
> Chuck Hackett
> "Good judgment comes from experience, experience comes from 
> bad judgment"
> 7.5" gauge Union Pacific Northern (4-8-4) 844 
> http://www.whitetrout.net/Chuck
> 
> 
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