1/************************????1  ?Ƿ??е?ѹ??? ?Ƿ?????***************************/
//#include "lcd1602.h"
#include "delay.h"
#include "common.h"
#include "STC12C5A60S2.h"//??????Ƭ???Ĵ?????ͷ?ļ?
#include "usart.h"
//#include "iic.h"




/*????2???ⲿ?????жϼ??*/
						7   6     5    4     3      2    1     0     Reset Value
//sfr PCON   = 0x87;	-   -   LVDF  POF   GF1    GF0   PD   IDL    0001,0000	 //Power Control 
//LVDF: ??ѹ????־??ֻҪ??ѹ???ڼ???ż???ѹ????λ??1????????0??˯??ǰ??ֹ??ѹ?жϿɽ??͹??ġ????????ѹʱ?жϻ???MCU??
void main()
{	
	USART0_Init(); 		//???ڳ?ʼ??
	PCON = PCON & ~(1<<5);	//??ѹ????־??0
	PLVD = 1; 	//??ѹ?ж? ???ȼ???
	EA  = 1; 
 	ELVD = 1;	//??ѹ????ж?????

	/*???󣺴??ڵ???????ÿ??2S?Ӵ?ӡ??һ??"hello,world"??????????????ε???P4.6?ĵ?ѹʼ??û?н????жϣ??ⲿ?Dz???Ҫ??ʲô??·??*/
	/*˵????#include "STC12C5A60S2.h" ???ͷ?ļ?????keil??stc12c5a.h ?????????мӷ??ظ?????????? ???Բ??ù?*/
	while(1)
	{
		USART0_SendString("hello,world");//???ڵ?????????ʾ??hello??world??
		Delay1ms(2000);		//??ʱ2S
	}
}


void LVD_Routine(void) interrupt 6
{
	uchar	i;

	USART0_SendString("Enter LVD");		//??λ???ϴ?ӡ"Enter LVD" 
	while(PCON & (1<<5))			//????Ƿ???Ȼ?͵?ѹ
	{
		PCON = PCON & ~(1<<5);		//??ѹ????־??0
		for(i=0; i<100; i++)	;	//??ʱһ??
	}
	USART0_SendString("Quit LVD");
}