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[avr-libc-dev] Bug #28901 - GPIO_t and CPU_t definitions
From: |
Boyapati, Anitha |
Subject: |
[avr-libc-dev] Bug #28901 - GPIO_t and CPU_t definitions |
Date: |
Mon, 22 Mar 2010 21:07:48 +0100 |
Hi,
This is w.r.t Bug #28901. It says GPIO and CPU are defined in terms of missing
definitions in all XMEGA headers.
One such example is:
#define GPIO (*(GPIO_t *) 0x0000) /* General Purpose IO Registers */
#define CPU (*(CPU_t *) 0x0030) /* CPU Registers */
I am trying to understand GPIO and CPU from a programmer perspective.
1. What purpose do GPIO and CPU definitions serve?
2. If possible pl provide more info on how the structures are intended to be
defined/used
Regards
Anitha
- [avr-libc-dev] Bug #28901 - GPIO_t and CPU_t definitions,
Boyapati, Anitha <=