feat(matter): example code adjustment to use improved api

Author: SuGlider

Diff for: libraries/Matter/examples/MatterComposedLights/MatterComposedLights.ino

@@ -70,9 +70,9 @@ void setup() {
   OnOffLight1.begin();
   OnOffLight2.begin();
   OnOffLight3.begin();
-  OnOffLight1.onChangeOnOff(setLightOnOff1);
-  OnOffLight2.onChangeOnOff(setLightOnOff2);
-  OnOffLight3.onChangeOnOff(setLightOnOff3);
+  OnOffLight1.onChange(setLightOnOff1);
+  OnOffLight2.onChange(setLightOnOff2);
+  OnOffLight3.onChange(setLightOnOff3);
 
   // Matter beginning - Last step, after all EndPoints are initialized
   Matter.begin();

Diff for: libraries/Matter/examples/MatterDimmableLight/MatterDimmableLight.ino

@@ -42,7 +42,6 @@ const char *password = "your-password";  // Change this to your WiFi password
 
 // Set the RGB LED Light based on the current state of the Dimmable Light
 bool setLightState(bool state, uint8_t brightness) {
-  Serial.printf("Changing Light: old[%s,%d]->new[%s,%d]\r\n", DimmableLight ? "ON" : "OFF", DimmableLight.getBrightness(), state ? "ON" : "OFF", brightness);
   if (state) {
 #ifdef RGB_BUILTIN
     rgbLedWrite(ledPin, brightness, brightness, brightness);
@@ -92,13 +91,17 @@ void setup() {
   bool lastOnOffState = lastStatePref.getBool("lastOnOffState", true);
   uint8_t lastBrightness = lastStatePref.getUChar("lastBrightness", 15); // default brightness = 12%
   DimmableLight.begin(lastOnOffState, lastBrightness);
+  // set the callback function to handle the Light state change
+  DimmableLight.onChange(setLightState);
 
   // lambda functions are used to set the attribute change callbacks
   DimmableLight.onChangeOnOff([](bool state) { 
-    return setLightState(state, DimmableLight.getBrightness()); 
+    Serial.printf("Light OnOff changed to %s\r\n", state ? "ON" : "OFF"); 
+    return true;
   });
   DimmableLight.onChangeBrightness([](uint8_t level) { 
-    return setLightState(DimmableLight.getOnOff(), level); 
+    Serial.printf("Light Brightness changed to %d\r\n", level);
+    return true;
   });
 
   // Matter beginning - Last step, after all EndPoints are initialized
@@ -108,7 +111,7 @@ void setup() {
     Serial.println("Matter Node is commissioned and connected to Wi-Fi. Ready for use.");
     Serial.printf("Initial state: %s | brightness: %d\r\n", DimmableLight ? "ON" : "OFF", DimmableLight.getBrightness());
     // configure the Light based on initial on-off state and brightness 
-    setLightState(DimmableLight.getOnOff(), DimmableLight.getBrightness());
+    DimmableLight.updateAccessory();
   }
 }
 // Button control
@@ -136,7 +139,7 @@ void loop() {
     }
     Serial.printf("Initial state: %s | brightness: %d\r\n", DimmableLight ? "ON" : "OFF", DimmableLight.getBrightness());
     // configure the Light based on initial on-off state and brightness 
-    setLightState(DimmableLight.getOnOff(), DimmableLight.getBrightness());
+    DimmableLight.updateAccessory();
     Serial.println("Matter Node is commissioned and connected to Wi-Fi. Ready for use.");
   }
 

Diff for: libraries/Matter/examples/MatterOnOffLight/MatterOnOffLight.ino

@@ -86,15 +86,15 @@ void setup() {
   lastStatePref.begin("matterLight", false);
   bool lastOnOffState = lastStatePref.getBool("lastOnOffState", true);
   OnOffLight.begin(lastOnOffState);
-  OnOffLight.onChangeOnOff(setLightOnOff);
+  OnOffLight.onChange(setLightOnOff);
 
   // Matter beginning - Last step, after all EndPoints are initialized
   Matter.begin();
   // This may be a restart of a already commissioned Matter accessory
   if (Matter.isDeviceCommissioned()) {
     Serial.println("Matter Node is commissioned and connected to Wi-Fi. Ready for use.");
     Serial.printf("Initial state: %s\r\n", OnOffLight.getOnOff() ? "ON" : "OFF");
-    setLightOnOff(OnOffLight.getOnOff());  // configure the Light based on initial state
+    OnOffLight.updateAccessory();  // configure the Light based on initial state
   }
 }
 // Button control
@@ -121,7 +121,7 @@ void loop() {
       }
     }
     Serial.printf("Initial state: %s\r\n", OnOffLight.getOnOff() ? "ON" : "OFF");
-    setLightOnOff(OnOffLight.getOnOff());  // configure the Light based on initial state
+    OnOffLight.updateAccessory();  // configure the Light based on initial state
     Serial.println("Matter Node is commissioned and connected to Wi-Fi. Ready for use.");
   }