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Re: [avr-gcc-list] atmega32

From: eric
Subject: Re: [avr-gcc-list] atmega32
Date: Sun, 8 Jun 2003 22:13:05 GMT

> Hi,
> Thanks I installed winavr.  I am trying to use the printf 
function but it
> doesn't print anything, and just goes to the next line of 
code.  Here are
> the lines of code that don't seem to be working:
> printf("hello");
> printf(" %i\r\n", (int)flash_buffer1[multivar1]);

Read the avr-libc manual on how to use printf on an 
embedded platform. It's different than using it on PC with 
an OS.

> Does the printf function in winavr work with floats?

Yes. Again, see the avr-libc manual on how to link in the 
proper library.

> After compiling I get a "clock skew detected, your build 
may be incomplete"
> warning, but it seems to run fine on the chips.

IIRC, that comes from using Win 95/98 where their timer 
resolution is coarse. Wait about 5 seconds from the time 
you save the file to when you launch make and it should go 


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