types.h

用ATmega8 做的MP3播放器

/*
 * Copyright (c) 2003-2004 K. John '2B|!2B' Crispin
 * Copyright (c) 2005      Stephan Dobretsberger
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
 *
 * Feedback, Bugs, ... mail [e-mail]
 */

#ifndef _MY_TYPES___
#define _MY_TYPES___

#include <avr/io.h>
#include <avr/signal.h>
#include <avr/interrupt.h>

#define NOP           asm volatile("nop")
#define SLEEP         asm volatile("sleep")

#define false         0x00
#define FALSE         0x00

#define true          0x01
#define TRUE          0x01

typedef unsigned char u08;
typedef signed char   s08;
typedef unsigned int  u16;
typedef signed int    s16;
typedef u08           BOOL;
typedef u08           bool;

#define HIBYTE(x)     ((x&0xff00)>>8)
#define LOBYTE(x)     (x&0xff)
#define TO_HIBYTE(x)  (u16)(x<<8)
#define TO_LOBYTE(x)  (u08)(x>>8)
#define TO_UPPER(x)   ((x>='a') && (x<='z'))?(x+('A'-'a'):(x)
#define NULL          0x00

#endif