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RE: [avr-chat] SFRs in assembly code
From: |
Weddington, Eric |
Subject: |
RE: [avr-chat] SFRs in assembly code |
Date: |
Wed, 22 Jul 2009 16:00:46 -0600 |
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden
> On Behalf Of Daniel Otte
> Sent: Wednesday, July 22, 2009 3:51 PM
> To: address@hidden
> Subject: Re: [avr-chat] SFRs in assembly code
>
> Hi,
> I investigated a little bit more and included the definition
> of UBRR_VALUE into
> my code-file.
> It seems that the preprocessor of gas doesn't handle the UL
> suffix correct.
>
> #define UBRR_VALUE ((((F_CPU) + (8 * (BAUD)))/ (16 * (BAUD))) -1)
>
> works, while
>
> #define UBRR_VALUE ((((F_CPU) + (8UL * (BAUD))) /(16UL *
> (BAUD))) -1UL)
First off, where is this definition of UBRR_VALUE coming from? Somehow -1 and
UL should not go together (an *unsigned* long -1??).
- [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- RE: [avr-chat] SFRs in assembly code,
Weddington, Eric <=
- RE: [avr-chat] SFRs in assembly code, Weddington, Eric, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Daniel Otte, 2009/07/22
- Re: [avr-chat] SFRs in assembly code, Heike C. Zimmerer, 2009/07/23