Added function to reset potentiometer

include/commonFunctions.h

@@ -1,16 +1,31 @@
 #pragma once
 
-class Reader
-{
-private:
-    unsigned long lastDebounceTime = 0;
-    bool lastButtonStateNO = LOW;
-    bool buttonStateNO = HIGH;
-    bool lastButtonStateNC = HIGH;
-    bool buttonStateNC = LOW;
-    int lastPin;
+/**
+ * @brief Function used to read state of a normally open(LOW) button
+ *
+ * @param buttonPin The pin of the button
+ * @return true
+ * @return false
+ */
+bool debounceReadNO(int buttonPin);
 
-public:
-    bool debounceReadNO(int buttonPin);
-    bool debounceReadNC(int buttonPin);
-};
+/**
+ * @brief Function used to read state of a normally closed(HIGH) button
+ *
+ * @param buttonPin The pin of the button
+ * @return true
+ * @return false
+ */
+bool debounceReadNC(int buttonPin);
+
+/**
+ * @brief Sets all the pins to their correct modes
+ * 
+ */
+void setPinModes();
+
+/**
+ * @brief Resets the potentiometer by setting the wiper all the way to the A pin
+ * 
+ */
+void resetPotentiometer();

include/constants.h

@@ -1,6 +1,6 @@
 #pragma once
 
-const int DEBOUNCE_DELAY = 200;
+const int DEBOUNCE_DELAY = 250;
 
 const int USER_STEPS = 2;
 const int STAFF_STEPS = 16;

src/commonFunctions.cpp

@@ -1,8 +1,34 @@
+/**
+ * @file commonFunctions.cpp
+ * @author Lyubomir Penev (me@lpenev.com, 571147@student.fontys.nl)
+ * @brief This file contains all the functions used to read buttons
+ * @version 0.1
+ * @date 2025-10-31
+ *
+ * @copyright Copyright (c) 2025
+ *
+ */
+
 #include <Arduino.h>
 #include <commonFunctions.h>
+#include <potControlls.h>
 #include <constants.h>
 
-bool Reader::debounceReadNO(int buttonPin)
+unsigned long lastDebounceTime = 0;
+bool lastButtonStateNO = LOW;
+bool buttonStateNO = HIGH;
+bool lastButtonStateNC = HIGH;
+bool buttonStateNC = LOW;
+int lastPin;
+
+/**
+ * @brief Function used to read state of a normally open(LOW) button
+ *
+ * @param buttonPin The pin of the button
+ * @return true
+ * @return false
+ */
+bool debounceReadNO(int buttonPin)
 {
     bool reading = digitalRead(buttonPin);
 
@@ -35,7 +61,14 @@ bool Reader::debounceReadNO(int buttonPin)
     return buttonPressed;
 }
 
-bool Reader::debounceReadNC(int buttonPin)
+/**
+ * @brief Function used to read state of a normally closed(HIGH) button
+ *
+ * @param buttonPin The pin of the button
+ * @return true
+ * @return false
+ */
+bool debounceReadNC(int buttonPin)
 {
     bool reading = digitalRead(buttonPin);
 
@@ -67,3 +100,42 @@ bool Reader::debounceReadNC(int buttonPin)
     }
     return buttonPressed;
 }
+
+/**
+ * @brief Sets all the pins to their correct modes
+ *
+ */
+void setPinModes()
+{
+    pinMode(LED_HIGH, OUTPUT); // Green
+    pinMode(LED_MED, OUTPUT);  // Red LED (D4)
+    pinMode(LED_LOW, OUTPUT);  // Green LED
+
+    pinMode(BTN_STAFF_UP, INPUT);  // SW1
+    pinMode(BTN_STAFF_DWN, INPUT); // SW2
+
+    // RF Receiver
+    pinMode(REMOTE_A, INPUT); // Remote Button A
+    pinMode(REMOTE_B, INPUT); // Remote Button B
+    pinMode(REMOTE_C, INPUT); // Remote Button C
+    pinMode(REMOTE_D, INPUT); // Remote Button D
+
+    // Potentiometer
+    pinMode(POT_CS, OUTPUT); // D10 - CS
+    pinMode(POT_UD, OUTPUT); // D9 - U/D
+    digitalWrite(POT_CS, HIGH);
+    digitalWrite(POT_UD, LOW);
+}
+
+/**
+ * @brief Resets the potentiometer by setting the wiper all the way to the A pin
+ *
+ */
+void resetPotentiometer()
+{
+    // Reset the potentiometer
+    for (int i = 0; i < 64; i++)
+    {
+        potIncrement();
+    }
+}

src/main.cpp

@@ -10,34 +10,10 @@ int maxVolume = 64;
 int userVolume = 64;
 int oldUserVolume = userVolume;
 
-Reader reader;
-
 void setup()
 {
-  pinMode(LED_HIGH, OUTPUT); // Green
-  pinMode(LED_MED, OUTPUT);  // Red LED (D4)
-  pinMode(LED_LOW, OUTPUT);  // Green LED
-
-  pinMode(BTN_STAFF_UP, INPUT);  // SW1
-  pinMode(BTN_STAFF_DWN, INPUT); // SW2
-
-  // RF Receiver
-  pinMode(REMOTE_A, INPUT); // Remote Button A
-  pinMode(REMOTE_B, INPUT); // Remote Button B
-  pinMode(REMOTE_C, INPUT); // Remote Button C
-  pinMode(REMOTE_D, INPUT); // Remote Button D
-
-  // Potentiometer
-  pinMode(POT_CS, OUTPUT); // D10 - CS
-  pinMode(POT_UD, OUTPUT); // D9 - U/D
-  digitalWrite(POT_CS, HIGH);
-  digitalWrite(POT_UD, LOW);
-
-  // Reset the potentiometer
-  for (int i = 0; i < 64; i++)
-  {
-    potIncrement();
-  }
+  setPinModes();
+  resetPotentiometer();
 }
 
 void loop()
@@ -45,39 +21,39 @@ void loop()
   updateLeds(maxVolume);
 
   // SW1 - Staff Volume Up
-  if (reader.debounceReadNC(BTN_STAFF_UP))
+  if (debounceReadNC(BTN_STAFF_UP))
   {
     staffVolumeUp(&maxVolume);
   }
 
   // SW2 - Staff Volume Down
-  if (reader.debounceReadNC(BTN_STAFF_DWN))
+  if (debounceReadNC(BTN_STAFF_DWN))
   {
     staffVolumeDown(&maxVolume, &userVolume, &oldUserVolume);
   }
 
   // Remote D - Mute
-  if (reader.debounceReadNO(REMOTE_D))
+  if (debounceReadNO(REMOTE_D))
   {
     mute(&userVolume, &oldUserVolume, maxVolume);
   }
 
   // Remote A - Significantly Lower Volume
-  if (reader.debounceReadNO(REMOTE_A))
+  if (debounceReadNO(REMOTE_A))
   {
     lowerVolume(&userVolume, &oldUserVolume, maxVolume);
   }
 
   // Remote B - Volume Up
   // Make sure we are not is a state of mute or lowered
-  if (reader.debounceReadNO(REMOTE_B) && !(oldUserVolume > userVolume))
+  if (debounceReadNO(REMOTE_B) && !(oldUserVolume > userVolume))
   {
     volumeUp(&userVolume, &oldUserVolume, maxVolume);
   }
 
   // Remote C - Volume Down
   // Make sure we are not is a state of mute or lowered
-  if (reader.debounceReadNO(REMOTE_C) && !(oldUserVolume > userVolume))
+  if (debounceReadNO(REMOTE_C) && !(oldUserVolume > userVolume))
   {
     volumeDown(&userVolume, &oldUserVolume);
   }

src/userFunctions.cpp

@@ -25,6 +25,7 @@ void mute(int *userVolume, int *oldUserVolume, int maxVolume)
     if (*oldUserVolume > *userVolume)
     {
         // This is if the user is muted and is asking to be unmuted
+
         // Check if max volume has been lowered since mute
         if (*oldUserVolume > maxVolume)
         {

test/README

@@ -1,11 +0,0 @@
-
-This directory is intended for PlatformIO Test Runner and project tests.
-
-Unit Testing is a software testing method by which individual units of
-source code, sets of one or more MCU program modules together with associated
-control data, usage procedures, and operating procedures, are tested to
-determine whether they are fit for use. Unit testing finds problems early
-in the development cycle.
-
-More information about PlatformIO Unit Testing:
-- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html

test/test_user_functions.cpp

@@ -0,0 +1,43 @@
+#include <Arduino.h>
+#include <unity.h>
+
+void setUp(void)
+{
+    // set stuff up here
+}
+
+void tearDown(void)
+{
+    // clean stuff up here
+}
+
+void test_function_should_doBlahAndBlah(void)
+{
+    TEST_ASSERT_TRUE(true);
+}
+
+void test_function_should_doAlsoDoBlah(void)
+{
+    TEST_ASSERT_TRUE(true);
+}
+
+int runUnityTests(void)
+{
+    UNITY_BEGIN();
+    RUN_TEST(test_function_should_doBlahAndBlah);
+    RUN_TEST(test_function_should_doAlsoDoBlah);
+    return UNITY_END();
+}
+
+/**
+ * For Arduino framework
+ */
+void setup()
+{
+    // Wait ~2 seconds before the Unity test runner
+    // establishes connection with a board Serial interface
+    delay(2000);
+
+    runUnityTests();
+}
+void loop() {}