From 2522567be0de5d41b9a5b918a68546d8fcc85bbb Mon Sep 17 00:00:00 2001
From: rafa <rafaelcorreia1602@gmail.com>
Date: Tue, 13 May 2025 12:41:55 +0100
Subject: [PATCH] Create a class to interact with the ultrasonic distance
 sensor

---
 code/DistSensor.cpp | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 code/DistSensor.cpp

diff --git a/code/DistSensor.cpp b/code/DistSensor.cpp
new file mode 100644
index 0000000..36ddef5
--- /dev/null
+++ b/code/DistSensor.cpp
@@ -0,0 +1,45 @@
+#include <Arduino.h>
+
+class DistSensor {
+
+    private:
+        int trigPin;
+        int echoPin;
+        const int ULTRASONIC_CM_FACTOR = 58;
+
+        void make_measurement(){
+            digitalWrite(this->trigPin, HIGH);
+            delayMicroseconds(10);
+            digitalWrite(this->trigPin, LOW);
+        }
+
+    public:
+        int duration;
+        float default_distance;
+
+        DistSensor(int trigPin, int echoPin, float default_distance){ 
+            this->trigPin = trigPin;
+            this->echoPin = echoPin;
+            this->default_distance = default_distance;
+        }
+
+        void configure_pins(){
+            pinMode(this->trigPin, OUTPUT);
+            pinMode(this->echoPin, INPUT);
+        }
+
+        int get_duration(){
+            this->make_measurement();
+            this->duration = pulseIn(this->echoPin, HIGH);
+            return this->duration;
+        }
+
+        int get_distance(){
+            return get_duration() / this->ULTRASONIC_CM_FACTOR;
+        }
+
+        bool is_in_range(){
+            return this->get_distance() < this->default_distance;
+        }
+
+};
\ No newline at end of file