Craig Raslawski / Mbed 2 deprecated Sonar_HCSR04_HelloWorld

4180Lab3Part1

Dependencies:   HC_SR04_Ultrasonic_Library mbed

Fork of LPC1768_HCSR04_HelloWorld by jim hamblen

main.cpp@3:9285821440d2, 2017-02-27 (annotated)

Committer:
CRaslawski
Date:
Mon Feb 27 22:55:09 2017 +0000
Revision:
3:9285821440d2
Parent:
2:3566c2d1e86b 
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ejteb 0:1704ea055c4f 1 #include "mbed.h"
ejteb 0:1704ea055c4f 2 #include "ultrasonic.h"
ejteb 0:1704ea055c4f 3
ejteb 0:1704ea055c4f 4 void dist(int distance)
ejteb 0:1704ea055c4f 5 {
4180_1 2:3566c2d1e86b 6 //put code here to execute when the distance has changed
CRaslawski 3:9285821440d2 7 if(distance*0.00328084 < 40) {
CRaslawski 3:9285821440d2 8 printf("Distance %f ft\r\n", distance*0.00328084);
CRaslawski 3:9285821440d2 9 }
ejteb 0:1704ea055c4f 10 }
ejteb 0:1704ea055c4f 11
4180_1 2:3566c2d1e86b 12 ultrasonic mu(p6, p7, .1, 1, &dist); //Set the trigger pin to D8 and the echo pin to D9
ejteb 1:4a5586eb1765 13 //have updates every .1 seconds and a timeout after 1
ejteb 1:4a5586eb1765 14 //second, and call dist when the distance changes
ejteb 0:1704ea055c4f 15
ejteb 0:1704ea055c4f 16 int main()
ejteb 0:1704ea055c4f 17 {
4180_1 2:3566c2d1e86b 18 mu.startUpdates();//start measuring the distance
ejteb 0:1704ea055c4f 19 while(1)
ejteb 0:1704ea055c4f 20 {
ejteb 1:4a5586eb1765 21 //Do something else here
ejteb 1:4a5586eb1765 22 mu.checkDistance(); //call checkDistance() as much as possible, as this is where
ejteb 1:4a5586eb1765 23 //the class checks if dist needs to be called.
ejteb 0:1704ea055c4f 24 }
ejteb 0:1704ea055c4f 25 }