isd1420.c

来自「isd1420语音芯片源程序用KEI UVISION打开」· C语言 代码 · 共 40 行

#include<reg51.h>
#define uchar unsigned char
sbit PLAYL=P2^2;
void delay(void)
{
  uchar i;
  for(i=0;i<100;i++);
}
void delay_1000us(void)
{
  int x;
  for(x=0;x<1000;x++);
}
void delay_1s(void)
{
  int y;
  for(y=0;y<1000;y++)
  {
    delay_1000us();
  }
}
void PLAY(void)
{
  delay();
  P1=0x50;
  PLAYL=0;
  delay_1s();
  PLAYL=1;
  delay();
  P1=0x00;
  PLAYL=0;
  delay_1s();
}
void main(void)
{ 
  delay();
  PLAY(); 
  delay();
}