Applied engineering Team / Mbed 2 deprecated hcsr04

Ultrazuvcno mjerenje udaljenosti

Dependencies:   mbed

hcsr04.cpp@0:4fb151e9c106, 2015-06-19 (annotated)

Committer:
markomileticbj
Date:
Fri Jun 19 16:59:54 2015 +0000
Revision:
0:4fb151e9c106
Ultrazvucno mjerenje udaljenosti

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markomileticbj 0:4fb151e9c106 1 #include "hcsr04.h"
markomileticbj 0:4fb151e9c106 2 #include "mbed.h"
markomileticbj 0:4fb151e9c106 3
markomileticbj 0:4fb151e9c106 4 HCSR04::HCSR04(PinName t, PinName e) : triger(t), echo(e) {}
markomileticbj 0:4fb151e9c106 5 float HCSR04::echo_trajanje()
markomileticbj 0:4fb151e9c106 6 {
markomileticbj 0:4fb151e9c106 7 tmr.reset();
markomileticbj 0:4fb151e9c106 8 triger=1;
markomileticbj 0:4fb151e9c106 9 wait_us(20);
markomileticbj 0:4fb151e9c106 10 triger=0;
markomileticbj 0:4fb151e9c106 11 while(echo==0);
markomileticbj 0:4fb151e9c106 12 tmr.start();
markomileticbj 0:4fb151e9c106 13 while(echo==1);
markomileticbj 0:4fb151e9c106 14 tmr.stop();
markomileticbj 0:4fb151e9c106 15 return tmr.read_us();
markomileticbj 0:4fb151e9c106 16 }
markomileticbj 0:4fb151e9c106 17
markomileticbj 0:4fb151e9c106 18 float HCSR04::udaljenost()
markomileticbj 0:4fb151e9c106 19 {
markomileticbj 0:4fb151e9c106 20 trajanje = echo_trajanje();
markomileticbj 0:4fb151e9c106 21 trajanje = (trajanje/2)*343 ;
markomileticbj 0:4fb151e9c106 22 udaljenost_cm = trajanje/10000 ;
markomileticbj 0:4fb151e9c106 23 return udaljenost_cm;
markomileticbj 0:4fb151e9c106 24 }