main.cpp

00001 #include "mbed.h"
00002 #include "ultrasonic.h"
00003 
00004 digitalIn Signal(D12);
00005 digitalIn Trig();
00006 digitalIn Echo();
00007 
00008 digitalOut Threshold(D13);
00009 digitalOut HVOff(D11);
00010 digitalOut Tx1(D10);
00011 digitalOut Tx2(D9);
00012 
00013  void dist(int distance)
00014 {
00015     //put code here to happen when the distance is changed
00016     printf("Distance changed to %dmm\r\n", distance);
00017 }
00018 
00019 ultrasonic mu(D8, D9, .1, 1, &dist);    //Set the trigger pin to D8 and the echo pin to D9
00020                                         //have updates every .1 seconds and a timeout after 1
00021                                         //second, and call dist when the distance changes
00022 
00023 int main()
00024 {
00025     mu.startUpdates();//start mesuring the distance
00026     while(1)
00027     {
00028         //Do something else here
00029         mu.checkDistance();     //call checkDistance() as much as possible, as this is where
00030                                 //the class checks if dist needs to be called.
00031     }
00032 }