3.3.7

2026-05-22 21:52:50 +03:00
commit be7c60e4dd
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+// Copyright 2025 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Matter Manager
+#include <Matter.h>
+#if !CONFIG_ENABLE_CHIPOBLE
+// if the device can be commissioned using BLE, WiFi is not used - save flash space
+#include <WiFi.h>
+#endif
+
+// List of Matter Endpoints for this Node
+// Generic Switch Endpoint - works as a smart button with a single click
+MatterGenericSwitch SmartButton;
+
+// CONFIG_ENABLE_CHIPOBLE is enabled when BLE is used to commission the Matter Network
+#if !CONFIG_ENABLE_CHIPOBLE
+// WiFi is manually set and started
+const char *ssid = "your-ssid";          // Change this to your WiFi SSID
+const char *password = "your-password";  // Change this to your WiFi password
+#endif
+
+// set your board USER BUTTON pin here
+const uint8_t buttonPin = BOOT_PIN;  // Set your pin here. Using BOOT Button.
+
+// Button control
+uint32_t button_time_stamp = 0;                // debouncing control
+bool button_state = false;                     // false = released | true = pressed
+const uint32_t debouceTime = 250;              // button debouncing time (ms)
+const uint32_t decommissioningTimeout = 5000;  // keep the button pressed for 5s, or longer, to decommission
+
+void setup() {
+  // Initialize the USER BUTTON (Boot button) GPIO that will act as a smart button or to decommission the Matter Node
+  pinMode(buttonPin, INPUT_PULLUP);
+
+  Serial.begin(115200);
+
+// CONFIG_ENABLE_CHIPOBLE is enabled when BLE is used to commission the Matter Network
+#if !CONFIG_ENABLE_CHIPOBLE
+  // We start by connecting to a WiFi network
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+
+  // Manually connect to WiFi
+  WiFi.begin(ssid, password);
+  // Wait for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println("\r\nWiFi connected");
+  Serial.println("IP address: ");
+  Serial.println(WiFi.localIP());
+  delay(500);
+#endif
+
+  // Initialize the Matter EndPoint
+  SmartButton.begin();
+
+  // 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 the network. Ready for use.");
+  }
+}
+
+void loop() {
+  // Check Matter Accessory Commissioning state, which may change during execution of loop()
+  if (!Matter.isDeviceCommissioned()) {
+    Serial.println("");
+    Serial.println("Matter Node is not commissioned yet.");
+    Serial.println("Initiate the device discovery in your Matter environment.");
+    Serial.println("Commission it to your Matter hub with the manual pairing code or QR code");
+    Serial.printf("Manual pairing code: %s\r\n", Matter.getManualPairingCode().c_str());
+    Serial.printf("QR code URL: %s\r\n", Matter.getOnboardingQRCodeUrl().c_str());
+    // waits for Matter Generic Switch Commissioning.
+    uint32_t timeCount = 0;
+    while (!Matter.isDeviceCommissioned()) {
+      delay(100);
+      if ((timeCount++ % 50) == 0) {  // 50*100ms = 5 sec
+        Serial.println("Matter Node not commissioned yet. Waiting for commissioning.");
+      }
+    }
+    Serial.println("Matter Node is commissioned and connected to the network. Ready for use.");
+  }
+
+  // A builtin button is used to trigger a command to the Matter Controller
+  // Check if the button has been pressed
+  if (digitalRead(buttonPin) == LOW && !button_state) {
+    // deals with button debouncing
+    button_time_stamp = millis();  // record the time while the button is pressed.
+    button_state = true;           // pressed.
+  }
+
+  // Onboard User Button is used as a smart button or to decommission it
+  uint32_t time_diff = millis() - button_time_stamp;
+  if (button_state && time_diff > debouceTime && digitalRead(buttonPin) == HIGH) {
+    button_state = false;  // released
+    // builtin button is released - send a click event to the Matter Controller
+    Serial.println("User button released. Sending Click to the Matter Controller!");
+    // Matter Controller will receive an event and, if programmed, it will trigger an action
+    SmartButton.click();
+  }
+
+  // Onboard User Button is kept pressed for longer than 5 seconds in order to decommission matter node
+  if (button_state && time_diff > decommissioningTimeout) {
+    Serial.println("Decommissioning the Generic Switch Matter Accessory. It shall be commissioned again.");
+    Matter.decommission();
+    button_time_stamp = millis();  // avoid running decommissining again, reboot takes a second or so
+  }
+}