ESP32_Media_controll.ino

examples/ESP32_Media_controll/ESP32_Media_controll.ino

@@ -0,0 +1,65 @@
+/* Media control with rotary encoder */
+
+#include <BleKeyboard.h>
+
+BleKeyboard bleKeyboard;
+
+#define outputA 13 //CLK Pin of Rotary encoder
+#define outputB 34 //DT Pin of Rotary encoder
+#define PinSW 25 //Switch pin of Rotary encoder
+//Gnd --> Gnd 
+
+int aState;
+int aLastState;
+int buttonState = HIGH;   // Assuming the button is normally open
+int lastButtonState = HIGH;
+unsigned long lastDebounceTime = 0;
+unsigned long debounceDelay = 50;  
+
+void setup()
+{ 
+    Serial.begin(115200);
+    Serial.println("Starting BLE work!");
+    bleKeyboard.begin();
+    pinMode (outputA,INPUT_PULLUP);
+    pinMode (outputB,INPUT_PULLUP);
+    pinMode(PinSW, INPUT_PULLUP);
+
+    aLastState = digitalRead(outputA);   
+} 
+
+void loop()
+{
+    if(bleKeyboard.isConnected()) {
+
+        int reading = digitalRead(PinSW);
+
+        if (reading != lastButtonState) {
+            lastDebounceTime = millis();
+        }
+
+        if ((millis() - lastDebounceTime) > debounceDelay) {
+            if (reading != buttonState) {
+            buttonState = reading;
+
+            if (!(digitalRead(PinSW))) {
+                    bleKeyboard.write(KEY_MEDIA_MUTE);
+                    delay(250);    
+                }
+            }
+        }
+
+        lastButtonState = reading;
+
+        aState = digitalRead(outputA); // Reads the "current" state of the outputA
+        if (aState != aLastState){     
+            if (digitalRead(outputB) != aState) { 
+            bleKeyboard.write(KEY_MEDIA_VOLUME_UP);
+            bleKeyboard.releaseAll();
+            } else {
+            bleKeyboard.write(KEY_MEDIA_VOLUME_DOWN);
+            }
+        } 
+        aLastState = aState; // Updates the previous state of the outputA with the current state
+    }
+}