AVR-Chat

If it is CodeVision, then some other mechanism is probably involved.  
gcc uses "volatile".

Sounds like it is time to read!

Jim

On Jul 25, 2009, at 11:51 AM, aligole_2005 wrote:

> Dear Catalin
> I don't think so, because if you mean these :
> char status,data;
> they are some codes that the code vision make them itself, when we  
> active the usart.
>
> --- In AVR-Chat@yahoogroups.com, Cat C <catalin_cluj@...> wrote:
> >
> >
> > Could it be that you update some variable in an ISR routine and  
> it's not declared as "volatile" ?
> >
> > Good luck,
> >
> > Cat
> >
> > > To: AVR-Chat@yahoogroups.com
> > > From: aligole_2005@...
> > > Date: Fri, 24 Jul 2009 21:20:07 +0000
> > > Subject: [AVR-Chat] Problem in receive a serial data and show it
> > >
> > > Hello
> > > I'm doing my final project of university. In a part of this I  
> need to receive a serial data with special structure that I shared  
> it here :
> > >
> > > http://www.4shared.com/file/120420235/3829d17a/Usart.html
> > >
> > > It's briefly a 5 byte formatted data, that every single byte has  
> a meaning for example some of them are numbers, that I wanna show  
> them in a graphic LCD.
> > >
> > > I've written a program in Code vision and I share it here  
> because I think it would be good for you, my friends.
> > >
> > > http://www.4shared.com/file/119286132/69e1cd0/testc.html
> > >
> > > This program consists of two different part, the first is about  
> GLCD functions that I properly can show everything on it, from  
> pictures (bitmaps) to numbers and strings with different functions.
> > > The second part is about the serial data getting and processing.  
> My question is about the final part, when I want to show the  
> received and registered serial data on GLCD, I can't do this  
> properly, actually my numbers are not true!!!
> > >
> > > the registered data is in the shape of a string with the length  
> of 5, that I defined some macros for them. My GLCD function  
> "lcd_put_strs(x,y, *str)" can show a string in SRAM in GLCD. but  
> when I use it, the answer is not true!!! I tried "%u" or "%X" or  
> "%S", but unfortunately the result was wrong.
> > > can anybody help me plzzzzzzzzz?
> > >
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
> 



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