wtv020-sd-16˴ʶ-

来自「WTV020-SD-16语音模块msp430f149c程序」· 代码 · 共 52 行

#include <msp430x14x.h>
#define KEY (P2IN&BIT4)
#define KEY1 (P2IN&BIT3)
#define yuyin_0 P2OUT &= ~BIT2
#define yuyin_1 P2OUT |= BIT2
#define yuscl_0 P2OUT &= ~BIT1
#define yuscl_1 P2OUT |= BIT1
#define yurst_0 P2OUT &= ~BIT0
#define yurst_1 P2OUT |= BIT0
//************************************************************************ 
#define CPU_F ((double)8000000) 
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0)) 
#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0)) 
//************************************************************************
unsigned int FD=0x0000;
unsigned int FD1=0xFFF0;
//****************************定义全局变量

void ini_yuyin(void)  //语音初始化
{
 yurst_0;
 delay_ms(5);        
 yurst_1; 
}


void  Send_twolines(unsigned int addr) //二线发码子程序
   {
        unsigned char i;
         yurst_0;
        delay_ms(5);        
         yurst_1;
    	  yuscl_1;               
    	  delay_ms(5);         /* 5ms*/ 
          yuscl_0; 
    	  delay_ms(2);
   	  for(i=0;i<16;i++) 
     	  {
          yuscl_0; 
      	  if(addr&0X8000)
           yuyin_1; 
      	  else 
           yuyin_0; 
      	  addr<<=1; 
      	  delay_us(250);  /* 100us */ 
      	  yuscl_1; 
      	  delay_us(250);  
      	  } 
     	  yuscl_1; 
          yuyin_1;
   }