Added buzzer class

include/Buzzer.h

@@ -0,0 +1,19 @@
+#ifndef Buzzer_h
+#define Buzzer_h
+
+#include "Arduino.h"
+
+class Buzzer {
+
+public:
+  Buzzer(int pin);
+  void beep();
+  void beep(int duration);
+  void stop();
+
+private:
+  int _pin;
+
+};
+
+#endif // Buzzer_h

include/Led.h

@@ -7,7 +7,6 @@ class Led {
 
 public:
   Led(int pin);
-  void blink(int blinkRate);
   void on();
   void off();
   void toggle();

platformio.ini

@@ -16,6 +16,6 @@ framework = arduino
 monitor_speed = 115200
 monitor_filters = direct
 
-lib_deps =
+lib_deps = 
     stm32duino/STM32duino FreeRTOS@^10.3.2
     miguelbalboa/MFRC522@^1.4.10

src/Buzzer.cpp

@@ -0,0 +1,19 @@
+#include "Arduino.h"
+#include "Buzzer.h"
+
+Buzzer::Buzzer(int pin) {
+  pinMode(pin, OUTPUT);
+  _pin = pin;
+}
+
+void Buzzer::beep() {
+  tone(_pin, 1000, 0xFFFFFFFF);
+}
+
+void Buzzer::beep(int duration) {
+  tone(_pin, 1000, duration);
+}
+
+void Buzzer::stop() {
+  noTone(_pin);
+}

src/Led.cpp

@@ -6,13 +6,6 @@ Led::Led(int pin) {
   _pin = pin;
 }
 
-void Led::blink(int blinkRate) {
-  digitalWrite(_pin, HIGH);
-  delay(blinkRate);
-  digitalWrite(_pin, LOW);
-  delay(blinkRate);
-}
-
 void Led::on() {
   digitalWrite(_pin, HIGH);
 }

src/main.cpp

@@ -1,8 +1,9 @@
 #include <Arduino.h>
 #include <SPI.h>
 
-#include "MFRC522.h"
 #include "Led.h"
+#include "Buzzer.h"
+#include "MFRC522.h"
 
 #include "FreeRTOS.h"
 #include "task.h"
@@ -17,7 +18,7 @@
 #define MFRC522_IRQ_PIN          (1)
 
 #define BUZZER_PIN               (0)
-#define BUZZER_TONE_DURATION_MS  (1000)
+#define BUZZER_BEEP_DURATION_MS  (1000)
 #define BUZZER_TONE_FREQUENCY_HZ (1000)
 
 static void vTask1(void *pvParameters);
@@ -27,6 +28,7 @@ static void vTask3(void *pvParameters);
 static void onCardDetected(void);
 
 static MFRC522 mfrc522(MFRC522_SPI_SS_PIN, MFRC522_RST_PIN);
+static Buzzer buzzer(BUZZER_PIN);
 static byte registerValue = 0x7F;
 static volatile bool cardDetected = false;
 
@@ -75,7 +77,7 @@ void loop() {
     mfrc522.PICC_HaltA();
     cardDetected = false;
 
-    tone(BUZZER_PIN, BUZZER_TONE_FREQUENCY_HZ, BUZZER_TONE_DURATION_MS);
+    buzzer.beep(BUZZER_BEEP_DURATION_MS);
   }
 
   // Activate reception
@@ -102,7 +104,7 @@ static void vTask1(void *pvParameters) {
 
   Serial.println("Started Task 1");
   for(;;) {
-    redLED.blink(100);
+    redLED.toggle();
     vTaskDelay(xDelay);
   }
 }
@@ -113,7 +115,7 @@ static void vTask2(void *pvParameters) {
 
   Serial.println("Started Task 2");
   for(;;) {
-    greenLED.blink(100);
+    greenLED.toggle();
     vTaskDelay(xDelay);
   }
 }
@@ -124,7 +126,7 @@ static void vTask3(void *pvParameters) {
 
   Serial.println("Started Task 3");
   for(;;) {
-    blueLED.blink(100);
+    blueLED.toggle();
     vTaskDelay(xDelay);
   }
 }