main._h

用的avr icc 开发的atmega16的超声波测距仪模型。

#ifndef MAIN_H
#define MAIN_H
#ifdef MAIN_C
unsigned char data[4] = {0,0,0,0};
unsigned int  temprature; 
unsigned char ASCII_T[4] ={0,0,0,0} ;
unsigned char temprature_flag;// + or -
unsigned int  speed;//ECHO SPEED 
#else

extern unsigned int  speed;//ECHO SPEED 
#endif
#endif