Diff: HCSR04.h

Revision:

7:a852e63cac3d

Parent:

6:c2d4a02115db

--- a/HCSR04.h	Thu Nov 24 09:15:48 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,87 +0,0 @@
-/*
-Dette er header filen for ultralydssensoren
-*/
-
-#ifndef HCSR04_H_TVZMT
-#define HCSR04_H_TVZMT
-
-/** A distance measurement class using ultrasonic sensor HC-SR04.
- *  
- * Example of use:
- * @code
- * #include "mbed.h"
- * #include "HCSR04.h"
- *
- * Serial pc(USBTX, USBRX);
- *
- * int main() {
- *     HCSR04 sensor(p5, p7);
- *     sensor.setRanges(10, 110);
- *     pc.printf("Min. range = %g cm\n\rMax. range = %g cm\n\r",
- *       sensor.getMinRange(), sensor.getMaxRange());
- *     while(1) {
- *         pc.printf("Distance: %5.1f mm\r", sensor.getDistance_mm());
- *         wait_ms(500);
- *     }
- * }
- * @endcode
- */
-class HCSR04 {
-    
-    public:
-    
-    /** Receives two PinName variables.
-     * @param echoPin mbed pin to which the echo signal is connected to
-     * @param triggerPin mbed pin to which the trigger signal is connected to
-     */
-    HCSR04(PinName echoPin, PinName triggerPin);
-    
-    /** Calculates the distance in cm, with the calculation time of approximatelly 23.7 ms.
-     * @returns distance of the measuring object in cm.
-     */
-    float getDistance_cm();
-    
-    /** Calculates the distance in mm, with the calculation time of approximatelly 23.7 ms.
-     * @returns distance of the measuring object in mm.
-     */
-    float getDistance_mm();
-    
-    /** Sets the minimum and maximum ranges between the factory values of 2 cm and 400 cm.
-     *  @param minRange Minimum range in cm. Must be between 2 cm and maxRange.
-     *  @param maxRange Maximum range in cm. Must be between minRange and 400 cm.
-     */
-    void setRanges(float minRange, float maxRange);
-    
-    /** Retreives the minimum sensor range set by the user.
-     * @returns the minimum sensor range set by the user in cm.
-     */
-    float getMinRange();
-    
-    /** Retreives the maximum sensor range set by the user.
-     * @returns the maximum sensor range set by the user in cm.
-     */
-    float getMaxRange();
-    
-    private:
-    
-    InterruptIn echo;       // echo pin
-    DigitalOut trigger;     // trigger pin
-    Timer timer;            // echo pulsewidth measurement
-    float distance;         // store the distance in cm
-    float minDistance;      // minimum measurable distance
-    float maxDistance;      // maximum measurable distance
-    
-    /** Start the timer. */
-    void startTimer();
-    
-    /** Stop the timer. */
-    void stopTimer();
-    
-    /** Initialization. */
-    void init();
-    
-    /** Start the measurement. */
-    void startMeasurement();
-};
-
-#endif
\ No newline at end of file