Diff: HCSR04.cpp

Revision:

7:a852e63cac3d

Parent:

6:c2d4a02115db

Child:

8:5ca76759a67e

--- a/HCSR04.cpp	Thu Nov 24 09:15:48 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,70 +0,0 @@
-/*
-Dette er cpp filen for ultralydssensoren
-*/
-#include "mbed.h"
-#include "HCSR04.h"
-
-HCSR04::HCSR04(PinName echoPin, PinName triggerPin) : echo(echoPin), trigger(triggerPin) {
-    init();
-}
-
-void HCSR04::init() {
-    /** configure the rising edge to start the timer */
-    echo.rise(this, &HCSR04::startTimer);
-    
-    /** configure the falling edge to stop the timer */
-    echo.fall(this, &HCSR04::stopTimer);
-    
-    distance = -1;      // initial distance
-    minDistance = 2;
-    maxDistance = 400;
-}
-
-void HCSR04::startTimer() {
-    timer.start(); // start the timer
-}
-
-void HCSR04::stopTimer() {
-    timer.stop(); // stop the timer
-}
-
-void HCSR04::startMeasurement() {
-    trigger = 1;
-    wait_us(10);
-    trigger = 0;
-    wait_ms(25); // just enough time to measure 400 cm
-    timer.stop(); // just in case echo fall did not occur
-    distance = timer.read() * 1e6 / 58;
-    if (distance < minDistance)
-        distance = minDistance;
-    if (distance > maxDistance)
-        distance = maxDistance;
-    timer.reset();
-}
-
-float HCSR04::getDistance_cm() {
-    startMeasurement();
-    return distance;
-}
-
-float HCSR04::getDistance_mm() {
-    startMeasurement();
-    return distance * 10;
-}
-
-void HCSR04::setRanges(float minRange, float maxRange) {
-    if (minRange < maxRange) {
-        if (minRange >= 2) 
-            minDistance = minRange;
-        if (maxRange <= 400)
-            maxDistance = maxRange;
-    }
-}
-
-float HCSR04::getMinRange() {
-    return minDistance;
-}
-
-float HCSR04::getMaxRange() {
-    return maxDistance;
-}
\ No newline at end of file