#include "config.h"

typedef int (*PUpdateFun)(void);

#define EINTTIME 5

void RTCIni(void)
{
	PREINT = Fpclk/32768-1;
	PREFRAC = Fpclk-(Fpclk/32768)*32768;
	
	SEC = 0;
	
	CCR = 0x01;
}

void DelayNS(unsigned int dly)
{
	uint32  i;

	for(;dly>0; dly--) 
		for(i=0; i<5000; i++);
}

void IRQ_Eint1(void)
{
	uint32 sec=0;
	uint32 times;
	uint32 bak;
	uint16 f;
	PUpdateFun update;
	
	RTCIni();															/*初始化RTC*/
	Led_Init();
	
	while((EXTINT&0x02)!=0)												/*等待中断结束*/
	{
		EXTINT = 0x02;
	}
	
	times = CTIME0;
	bak = times&0x3F;
	if(bak>EINTTIME)													/*中断时间是否有EINTTIME秒*/		
	{
		HC595_SendDat(0xF0);
		
		DelayNS(10);
		
		HC595_SendDat(0x0F);
		
		DelayNS(10);
		
		memcpy((void *)0x81000000,(const void *)0x80180000,0x80000);	/*把flash中更新模块的代码拷贝到ram*/
		
		update = (PUpdateFun)0x81000000;								/*运行ram*/
		
		update();
	}
	VICVectAddr = 0;
}