isd2560Ó¦ÓÃC³ÌÐò

isd2560Ó¦ÓÃC³ÌÐò

/*****************************************/
/* Copyright (c) 2005, ͨÐŹ¤³ÌѧԺ????? */
/* All rights reserved.????????????????? */
/* ×÷??? Õߣº´÷ ¼Ñ????????? ?? */
/*****************************************/

#include "voice.h"

/* ÑÓʱtºÁÃë */
void delay(uint t)
{
?uint i;
?while(t--)
?{
??/* ¶ÔÓÚ11.0592MʱÖÓ£¬Ô¼ÑÓʱ1ms */
??for (i=0;i<125;i++)
??{}
?}
}

/* ÍⲿÖжÏ0·þÎñ×Ó³ÌÐò */
void out_int0() interrupt 0 using 1
{
? ?EX0 = 0;??????// ¹ØÍⲿÖжÏ0
? ?
?PD = 1;???????// ½øÈë½Úµç״̬?

?if(count<2) ?????// ÔÙÖز¥2´Î£¬¹²3´Î·ÅÒô
?{
??count++;
??delay(500); ????// ÑÓʱ500ms
??P2 = P2&0xFC;????// A8=A9=0
??P0 = P0&0x00;????// ÆðʼµØַΪ0
??playback();?????// ´ÓµØÖ·0´¦²¥·Å
??EX0 = 1;?????// ¿ªÍⲿÖжÏ0??
?}?
?else
?{
??IdleFlag = 1;????// ±äΪ¿ÕÏÐ״̬£¬¿ÉÒÔÔٴΰ´¿ªÊ¼¼ü
??count = 0;
?}
}?

/* Ö÷³ÌÐò */
void main()
{
?EA = 1;???????// ¿ªCPUÖжÏ

? ?count = 0;
?StartFlag = 0;
?IdleFlag = 1;

?while(IdleFlag==1)
?{
??if (START)
??{
???delay(10);????// ÑÓʱȥ¶¶¶¯
???if (START) ????
????StartFlag = 1;??// ¿ªÊ¼¼ü°´Ï±êÖ¾
??}
??if (StartFlag == 1)
??{
???do
???{
????P2 = P2&0xFC;??// A8=A9=0
????P0 = P0&0x00;??// ÆðʼµØַΪ0
????record();???// ¼Òô¿ªÊ¼£¬´æ·ÅÔÚµØÖ·0´¦
???}
???while (START);???// ¿ªÊ¼¼üËÉ¿ª

???StartFlag = 0;

???PR = 1;?????// ½áÊø¼Òô
???PD = 1;?????// ½øÈë½Úµç״̬

???delay(500);????// ÑÓʱ500msÔÙ²¥·Å¼Òô

???EX0 = 1;????// ¿ªÍⲿÖжÏ0

???P2 = P2&0xFC;???// A8=A9=0
???P0 = P0&0x00;???// ÆðʼµØַΪ0
???playback();????// ´ÓµØÖ·0´¦½øÐеÚÒ»´Î²¥·Å
???IdleFlag = 0;???// µ±Ç°²»¿ÕÏУ¬°´¿ªÊ¼¼üÎÞЧ???
??}

?}
}??

/* ¼Òôº¯Êý */
void record(void)
{
?CE = 0;
?PD = 0;
?PR = 0;?

}

/* ·ÅÒôº¯Êý */? ???
void playback(void)
{
?CE = 0;
?PD = 0;
?PR = 1;?
}