main.c

MMA7455加速度传感器51例程

#include "REG52.h"
#include "VIIC_C51.h"
unsigned char X_Y_Z_data[3];

#define 	MMA7455 	0x3A

#define 	uint8 unsigned char
unsigned char  delay(unsigned char  j)
{
  	unsigned char  k,l;
  	for(l=0;l<=j;l++)
    	for(k=0;k<=250;k++);
	return 0;
}

void  main()
{	
	/*定义发送缓冲区*/
  	uint8 td[2]={0x05,0x80};
  	uint8 rd[2];           	 	
	ISendStr(MMA7455,0x16,&td[0],1);
    delay(100); 
	 ISendStr(MMA7455,0x18,&td[1],1);
	 delay(100); 
	 IRcvStr(0x3A,0x6,&X_Y_Z_data[0],1);//x轴 
 delay(100); 
	   IRcvStr(0x3A,0x7,&X_Y_Z_data[1],1);//x轴 
 delay(100); 
	    IRcvStr(0x3A,0x8,&X_Y_Z_data[2],1);//x轴 
  	while(1)  ;
 /* 	{
  		IRcvStr(MMA7455,0x16,rd,1);
  		delay(100); 
  		while(1);
  	}  */
}