Alzaga Uriarte / Mbed 2 deprecated TODOJUNTO

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Dependencies:   mbed Adafruit_GFX SeeedShieldBot BluetoothSerial

hcsr04.h@0:92bf762d49fa, 2020-12-20 (annotated)

Committer:
aitor98
Date:
Sun Dec 20 22:27:31 2020 +0000
Revision:
0:92bf762d49fa
Cambiosss

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aitor98 0:92bf762d49fa 1 /* Copyright (c) 2013 Prabhu Desai
aitor98 0:92bf762d49fa 2 * pdtechworld@gmail.com
aitor98 0:92bf762d49fa 3 *
aitor98 0:92bf762d49fa 4 *
aitor98 0:92bf762d49fa 5 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
aitor98 0:92bf762d49fa 6 * and associated documentation files (the "Software"), to deal in the Software without restriction,
aitor98 0:92bf762d49fa 7 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
aitor98 0:92bf762d49fa 8 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
aitor98 0:92bf762d49fa 9 * furnished to do so, subject to the following conditions:
aitor98 0:92bf762d49fa 10 *
aitor98 0:92bf762d49fa 11 * The above copyright notice and this permission notice shall be included in all copies or
aitor98 0:92bf762d49fa 12 * substantial portions of the Software.
aitor98 0:92bf762d49fa 13 *
aitor98 0:92bf762d49fa 14 * For more details on the sensor :
aitor98 0:92bf762d49fa 15 * http://www.elecfreaks.com/store/hcsr04-ultrasonic-sensor-distance-measuring-module-p-91.html?zenid=pgm8pgnvaodbe36dibq5s1soi3
aitor98 0:92bf762d49fa 16 *
aitor98 0:92bf762d49fa 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
aitor98 0:92bf762d49fa 18 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
aitor98 0:92bf762d49fa 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
aitor98 0:92bf762d49fa 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
aitor98 0:92bf762d49fa 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
aitor98 0:92bf762d49fa 22 */
aitor98 0:92bf762d49fa 23
aitor98 0:92bf762d49fa 24 #ifndef MBED_HCSR04_H
aitor98 0:92bf762d49fa 25 #define MBED_HCSR04_H
aitor98 0:92bf762d49fa 26
aitor98 0:92bf762d49fa 27 #include "mbed.h"
aitor98 0:92bf762d49fa 28
aitor98 0:92bf762d49fa 29 /** HCSR04 Class(es)
aitor98 0:92bf762d49fa 30 */
aitor98 0:92bf762d49fa 31
aitor98 0:92bf762d49fa 32 class HCSR04
aitor98 0:92bf762d49fa 33 {
aitor98 0:92bf762d49fa 34 public:
aitor98 0:92bf762d49fa 35 /** Create a HCSR04 object connected to the specified pin
aitor98 0:92bf762d49fa 36 * @param pin i/o pin to connect to
aitor98 0:92bf762d49fa 37 */
aitor98 0:92bf762d49fa 38 HCSR04(PinName TrigPin,PinName EchoPin);
aitor98 0:92bf762d49fa 39 ~HCSR04();
aitor98 0:92bf762d49fa 40
aitor98 0:92bf762d49fa 41 /** Return the distance from obstacle in cm
aitor98 0:92bf762d49fa 42 * @param distance in cms and returns -1, in case of failure
aitor98 0:92bf762d49fa 43 */
aitor98 0:92bf762d49fa 44 unsigned int get_dist_cm(void);
aitor98 0:92bf762d49fa 45 /** Return the pulse duration equal to sonic waves travelling to obstacle and back to receiver.
aitor98 0:92bf762d49fa 46 * @param pulse duration in microseconds.
aitor98 0:92bf762d49fa 47 */
aitor98 0:92bf762d49fa 48 unsigned int get_pulse_us(void);
aitor98 0:92bf762d49fa 49 /** Generates the trigger pulse of 10us on the trigger PIN.
aitor98 0:92bf762d49fa 50 */
aitor98 0:92bf762d49fa 51 void start(void );
aitor98 0:92bf762d49fa 52 void isr_rise(void);
aitor98 0:92bf762d49fa 53 void isr_fall(void);
aitor98 0:92bf762d49fa 54 void fall (void (*fptr)(void));
aitor98 0:92bf762d49fa 55 void rise (void (*fptr)(void));
aitor98 0:92bf762d49fa 56
aitor98 0:92bf762d49fa 57
aitor98 0:92bf762d49fa 58
aitor98 0:92bf762d49fa 59 private:
aitor98 0:92bf762d49fa 60
aitor98 0:92bf762d49fa 61 Timer pulsetime;
aitor98 0:92bf762d49fa 62 DigitalOut trigger;
aitor98 0:92bf762d49fa 63 InterruptIn echo;
aitor98 0:92bf762d49fa 64 unsigned int pulsedur;
aitor98 0:92bf762d49fa 65 unsigned int distance;
aitor98 0:92bf762d49fa 66 };
aitor98 0:92bf762d49fa 67
aitor98 0:92bf762d49fa 68 #endif