Re: [avr-gcc-list] Probably a bug

[Richard Urwin]

On Tuesday 08 Jun 2004 6:10 pm, Shahpour Moavenat wrote:
> Hi all,
>
> Below the email is the source file which problem occurs in.
> The problem is in function putchar1, the while loop is translated to
>
> while (tx_counter1 == TX_BUFFER_SIZE1);
>
> from .lst file:
> 153                   .LM12:
>  154 006a 8091 0000           lds r24,tx_counter1
>  155                  .L5:
>  156 006e 8830                cpi r24,lo8(8)
>  157 0070 F1F3                breq .L5

You need to mark tx_counter1 as volatile:

volatile unsigned char tx_counter1;

-- 
Richard Urwin