freescale

Freescale 系列单片机常用模块与综合系统设计

#ifndef __Variables_H
#define __Variables_H

#define t1 1			//timer vars
#define t2 2400
#define nopush 1
#define maybepush 2
#define pushed 3
#define maybenopush 4
#define pulsecount 6	//# of pulses to send
#define waittime 0		//wait time which isn't neccessary
#define dp 3			//decimal points

extern unsigned char time1, time2, delayedsend, wait;

extern char  sendpulse, calibrate, displayspeed,received, speedmode, normal, pushstate, key1,key2, key3, mode;
extern char  lcd_buffer[17];	// LCD display buffer
extern int  count, rcount, samples;
extern unsigned long  ticks, loopcount, ovrflwcount, stoptime, stopcount;
extern double  distance, currdist, prevdist,speed, distsum, speedsum, tsum, ctpm, tpm;

#endif