hardware.h

南格(AVR)操作系统 for keil

/*
**********************************Copyright (c) ****************************
*	  						cwg
*			       All Rights Reserved
*			     		QQ:7084394
*
*---------------------------------File Info---------------------------------
*File Name     	:hardware.h
*Descriptor    	: 
*Create By     	:ChenWeiGuo
*Create Date   	:2007-4-27
*Version       	:V1.0
*Note	     	:
*
*---------------------------------------------------------------------------
*Modified By  	:
*Modified Date:
*Version        :
*Note	     	:
*
****************************************************************************
*/
/*定义CPU时钟(HZ)*/
#define 	CPU_CLK 		8000000L  
/*定义系统时钟节拍(HZ)*/  
#define 	TICK_RATE 		1000       
/*定义系统运行灯所在接口*/
#define 	LED 			PORTB           
#define 	LEDDDR 			DDRB
/*定义定时器初始化值，时钟分频系数为64*/
#define 	TCNT0_INIT		(CPU_CLK/64/TICK_RATE)
/*系统时钟分频系数选择设置*/
#if defined (__AVR_ATmega103__) || defined (__ATmega103__)
#define TMC8_CK256  ((1<<CS02) | (1<<CS01))
#elif defined (__AVR_ATmega128__) || defined (__ATmega128__)
#define TMC8_CK256  ((1<<CS2) | (1<<CS1))
#else	
/*其他处理器设置*/
#define TMC8_CK256   ((1<<WGM01) | (1 << CS02))
#endif