feat: handle drum pad input and create sound

src/main.cpp

@@ -1,18 +1,54 @@
 #include <Arduino.h>
 
 const int ONBOARD_LED_PIN = 2;
+const int ANALOG_INPUT_PIN = 34;
+const int ANALOG_OUTPUT_PIN = 32;
+
+void handleToneGeneration(void *pvParameters);
+
+bool toneOn = false;
+int frequency = 220; // A4
 
 void setup()
 {
   Serial.begin(115200);
   pinMode(ONBOARD_LED_PIN, OUTPUT);
+  pinMode(ANALOG_INPUT_PIN, INPUT);
+  pinMode(ANALOG_OUTPUT_PIN, OUTPUT);
+
+  xTaskCreate(handleToneGeneration, "handleToneGeneration", 2048, NULL, 1, NULL);
   Serial.println("setup complete");
 }
 
 void loop()
 {
-  digitalWrite(ONBOARD_LED_PIN, HIGH);
-  delay(1000);
-  digitalWrite(ONBOARD_LED_PIN, LOW);
-  delay(1000);
+  int max = 0;
+  for (int i = 0; i < 100; i++)
+  {
+    int value = analogRead(ANALOG_INPUT_PIN);
+    if (!toneOn && value > 0)
+    {
+      toneOn = true;
+    }
+    if (value > max)
+    {
+      max = value;
+    }
+    delay(1);
+  }
+}
+
+void handleToneGeneration(void *pvParameters)
+{
+  int toneDuration = 100;
+  while (true)
+  {
+    if (toneOn)
+    {
+      tone(ANALOG_OUTPUT_PIN, frequency, toneDuration);
+      delay(toneDuration);
+      toneOn = false;
+    }
+    delay(10);
+  }
 }