resetprg.c

ucOS 在单片机上实现

/*****************************************************************************************
 ** FILE        : ResetPrg.C                                               	     		**
 ** DESCRIPTION : Reset Program.  User must include this MODIFIED file in their 		**
 **               applictions.             												**
 **-------------------------------------------------------------------------------------**
 **                                                                                     **
 **          Copyright (c) 2001-2002 Hitachi Micro Systems Europe Ltd UK.		        **
 **                                                                                     **
 ** 			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.                    **
 **                                                                                     **
 *****************************************************************************************/

#include	<machine.h>
#include	<_h_c_lib.h>
#include	"stacksct.h"
#include 	"iodefine.h"

void PowerON_Reset(void)
{
	unsigned char dummy;
	set_imask_ccr(1);
	*((volatile unsigned char *)0xffc3)= 0x9e;
	dummy = *((volatile unsigned char *)0xffc3);
	*((volatile unsigned char *)0xffc3)= 0xf1;
	*((volatile unsigned char *)0xfffa)= 0xbf;
	_INITSCT();
	P_IENR1.BYTE =    0;  
	P_IENR2.BYTE =    0;       
	set_imask_ccr(0);

	main();

	sleep();
}