45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#include <Arduino.h>
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class DistSensor {
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private:
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int trig_pin;
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int echo_pin;
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const int ULTRASONIC_CM_FACTOR = 58;
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void make_measurement(){
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digitalWrite(this->trig_pin, HIGH);
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delayMicroseconds(10);
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digitalWrite(this->trig_pin, LOW);
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}
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public:
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int duration;
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float default_distance;
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DistSensor(int trig_pin, int echo_pin, float default_distance){
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this->trig_pin = trig_pin;
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this->echo_pin = echo_pin;
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this->default_distance = default_distance;
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}
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void configure_pins(){
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pinMode(this->trig_pin, OUTPUT);
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pinMode(this->echo_pin, INPUT);
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}
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int get_duration(){
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this->make_measurement();
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this->duration = pulseIn(this->echo_pin, HIGH);
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return this->duration;
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}
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int get_distance(){
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return get_duration() / this->ULTRASONIC_CM_FACTOR;
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}
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bool is_in_range(){
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return this->get_distance() < this->default_distance;
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}
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}; |