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feat(matter): Adds Matter Events callback plus example #11465

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5a2094a
feat(matter): Adds Matter Events callback plus example
SuGlider Jun 13, 2025
4b3f58f
feat(matter): use C++ nullptr instead of NULL C macro
SuGlider Jun 13, 2025
0b24dd1
feat(matter): change to global event type
SuGlider Jun 18, 2025
60e9da0
fix(matter): commentary correction
SuGlider Jun 18, 2025
ca23972
fix(matter): fix commentarie
SuGlider Jun 18, 2025
220ceba
Merge branch 'master' into matter_events
SuGlider Jun 18, 2025
d8edf0a
feat(matter): add keywords for matter events
SuGlider Jun 18, 2025
64cd198
fix(matter): typo commentary
SuGlider Jun 18, 2025
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246 changes: 246 additions & 0 deletions libraries/Matter/examples/MatterEvents/MatterEvents.ino
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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>
#include <WiFi.h>

// 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

// List of Matter Endpoints for this Node
// On/Off Light Endpoint
MatterOnOffLight OnOffLight;

// This function is called when a Matter event occurs
void onMatterEvent(ArduinoMatter::matterEvent_t eventType, const chip::DeviceLayer::ChipDeviceEvent *eventInfo) {
// Print the event type to Serial
Serial.print("===> Got a Matter Event: ");
switch (eventType) {
case ArduinoMatter::MATTER_WIFI_CONNECTIVITY_CHANGE:
Serial.println("WiFi Connectivity Change");
break;
case ArduinoMatter::MATTER_THREAD_CONNECTIVITY_CHANGE:
Serial.println("Thread Connectivity Change");
break;
case ArduinoMatter::MATTER_INTERNET_CONNECTIVITY_CHANGE: {
bool newIPAddress = false;
Serial.print("Internet Connectivity Change :: ");
if (eventInfo->InternetConnectivityChange.IPv4 != chip::DeviceLayer::ConnectivityChange::kConnectivity_NoChange) {
Serial.print("IPv4 Connectivity: ");
switch (eventInfo->InternetConnectivityChange.IPv4) {
case chip::DeviceLayer::ConnectivityChange::kConnectivity_Established: {
newIPAddress = true;
break;
}
case chip::DeviceLayer::ConnectivityChange::kConnectivity_Lost:
Serial.println("Lost");
break;
default:
Serial.println("Unknown");
break;
}
}
if (eventInfo->InternetConnectivityChange.IPv6 != chip::DeviceLayer::ConnectivityChange::kConnectivity_NoChange) {
Serial.print("IPv6 Connectivity: ");
switch (eventInfo->InternetConnectivityChange.IPv6) {
case chip::DeviceLayer::ConnectivityChange::kConnectivity_Established: {
newIPAddress = true;
break;
}
case chip::DeviceLayer::ConnectivityChange::kConnectivity_Lost:
Serial.println("Lost");
break;
default:
Serial.println("Unknown");
break;
}
}
// Print the IP address if it was established
if (newIPAddress) {
Serial.print("Established - IP Address: ");
char ipAddressStr[chip::Transport::PeerAddress::kMaxToStringSize];
eventInfo->InternetConnectivityChange.ipAddress.ToString(ipAddressStr);
Serial.println(ipAddressStr);
}
break;
}
case ArduinoMatter::MATTER_SERVICE_CONNECTIVITY_CHANGE:
Serial.println("Service Connectivity Change");
break;
case ArduinoMatter::MATTER_SERVICE_PROVISIONING_CHANGE:
Serial.println("Service Provisioning Change");
break;
case ArduinoMatter::MATTER_TIME_SYNC_CHANGE:
Serial.println("Time Sync Change");
break;
case ArduinoMatter::MATTER_CHIPOBLE_CONNECTION_ESTABLISHED:
Serial.println("CHIPoBLE Connection Established");
break;
case ArduinoMatter::MATTER_CHIPOBLE_CONNECTION_CLOSED:
Serial.println("CHIPoBLE Connection Closed");
break;
case ArduinoMatter::MATTER_CLOSE_ALL_BLE_CONNECTIONS:
Serial.println("Close All BLE Connections");
break;
case ArduinoMatter::MATTER_WIFI_DEVICE_AVAILABLE:
Serial.println("WiFi Device Available");
break;
case ArduinoMatter::MATTER_OPERATIONAL_NETWORK_STARTED:
Serial.println("Operational Network Started");
break;
case ArduinoMatter::MATTER_THREAD_STATE_CHANGE:
Serial.println("Thread State Change");
break;
case ArduinoMatter::MATTER_THREAD_INTERFACE_STATE_CHANGE:
Serial.println("Thread Interface State Change");
break;
case ArduinoMatter::MATTER_CHIPOBLE_ADVERTISING_CHANGE:
Serial.println("CHIPoBLE Advertising Change");
break;
case ArduinoMatter::MATTER_INTERFACE_IP_ADDRESS_CHANGED:
switch (eventInfo->InterfaceIpAddressChanged.Type) {
case chip::DeviceLayer::InterfaceIpChangeType::kIpV4_Assigned:
Serial.println("IPv4 Address Assigned");
break;
case chip::DeviceLayer::InterfaceIpChangeType::kIpV4_Lost:
Serial.println("IPv4 Address Lost");
break;
case chip::DeviceLayer::InterfaceIpChangeType::kIpV6_Assigned:
Serial.println("IPv6 Address Assigned");
break;
case chip::DeviceLayer::InterfaceIpChangeType::kIpV6_Lost:
Serial.println("IPv6 Address Lost");
break;
}
break;
case ArduinoMatter::MATTER_COMMISSIONING_COMPLETE:
Serial.println("Commissioning Complete");
break;
case ArduinoMatter::MATTER_FAIL_SAFE_TIMER_EXPIRED:
Serial.println("Fail Safe Timer Expired");
break;
case ArduinoMatter::MATTER_OPERATIONAL_NETWORK_ENABLED:
Serial.println("Operational Network Enabled");
break;
case ArduinoMatter::MATTER_DNSSD_INITIALIZED:
Serial.println("DNS-SD Initialized");
break;
case ArduinoMatter::MATTER_DNSSD_RESTART_NEEDED:
Serial.println("DNS-SD Restart Needed");
break;
case ArduinoMatter::MATTER_BINDINGS_CHANGED_VIA_CLUSTER:
Serial.println("Bindings Changed Via Cluster");
break;
case ArduinoMatter::MATTER_OTA_STATE_CHANGED:
Serial.println("OTA State Changed");
break;
case ArduinoMatter::MATTER_SERVER_READY:
Serial.println("Server Ready");
break;
case ArduinoMatter::MATTER_BLE_DEINITIALIZED:
Serial.println("BLE Deinitialized");
break;
case ArduinoMatter::MATTER_COMMISSIONING_SESSION_STARTED:
Serial.println("Commissioning Session Started");
break;
case ArduinoMatter::MATTER_COMMISSIONING_SESSION_STOPPED:
Serial.println("Commissioning Session Stopped");
break;
case ArduinoMatter::MATTER_COMMISSIONING_WINDOW_OPEN:
Serial.println("Commissioning Window Opened");
break;
case ArduinoMatter::MATTER_COMMISSIONING_WINDOW_CLOSED:
Serial.println("Commissioning Window Closed");
break;
case ArduinoMatter::MATTER_FABRIC_WILL_BE_REMOVED:
Serial.println("Fabric Will Be Removed");
break;
case ArduinoMatter::MATTER_FABRIC_REMOVED:
Serial.println("Fabric Removed");
break;
case ArduinoMatter::MATTER_FABRIC_COMMITTED:
Serial.println("Fabric Committed");
break;
case ArduinoMatter::MATTER_FABRIC_UPDATED:
Serial.println("Fabric Updated");
break;
case ArduinoMatter::MATTER_ESP32_SPECIFIC_EVENT:
Serial.println("Sending ESP32 Platform Specific Events");
break;
case ArduinoMatter::MATTER_ESP32_PUBLIC_SPECIFIC_EVENT:
Serial.println("Next Event Has Populated EventInfo");
break;
default:
// If the event type is not recognized, print "Unknown" and the event ID
Serial.println("Unknown, EventID = 0x" + String(eventType, HEX));
break;
}
}

void setup() {
Serial.begin(115200);
while (!Serial) {
delay(10); // Wait for Serial to initialize
}

// We start by connecting to a WiFi network
Serial.print("Connecting to ");
Serial.println(ssid);
// Manually connect to WiFi
WiFi.enableIPv6(true); // Enable IPv6 if needed
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);

// Initialize at least one Matter EndPoint
OnOffLight.begin();

// Set the Matter Event Callback
Matter.onEvent(onMatterEvent);
// Matter beginning - Last step, after all EndPoints are initialized
Matter.begin();
Serial.println("Starting Matter Commission Test...");

}

void loop() {
// Check Matter Commissioning state
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 Light Commissioning.
while (!Matter.isDeviceCommissioned()) {
delay(5000);
Serial.println("Matter Fabric not commissioned yet. Waiting for commissioning.");
}
}
Serial.println("Matter Node is commissioned and connected to Wi-Fi.");
Serial.println("====> Decommissioning in 60 seconds. <====");
delay(60000);
Matter.decommission();
Serial.println("Matter Node is decommissioned. Commsssioning widget shall start over.");
}
7 changes: 7 additions & 0 deletions libraries/Matter/examples/MatterEvents/ci.json
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{
"fqbn_append": "PartitionScheme=huge_app",
"requires": [
"CONFIG_SOC_WIFI_SUPPORTED=y",
"CONFIG_ESP_MATTER_ENABLE_DATA_MODEL=y"
]
}
31 changes: 18 additions & 13 deletions libraries/Matter/src/Matter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ constexpr auto k_timeout_seconds = 300;
static bool _matter_has_started = false;
static node::config_t node_config;
static node_t *deviceNode = NULL;
ArduinoMatter::matterEventCB ArduinoMatter::_matterEventCB = NULL;

// This callback is called for every attribute update. The callback implementation shall
// handle the desired attributes and return an appropriate error code. If the attribute
Expand Down Expand Up @@ -89,21 +90,21 @@ static esp_err_t app_identification_cb(identification::callback_type_t type, uin
static void app_event_cb(const ChipDeviceEvent *event, intptr_t arg) {
switch (event->Type) {
case chip::DeviceLayer::DeviceEventType::kInterfaceIpAddressChanged:
log_i(
log_d(
"Interface %s Address changed", event->InterfaceIpAddressChanged.Type == chip::DeviceLayer::InterfaceIpChangeType::kIpV4_Assigned ? "IPv4" : "IPV6"
);
break;
case chip::DeviceLayer::DeviceEventType::kCommissioningComplete: log_i("Commissioning complete"); break;
case chip::DeviceLayer::DeviceEventType::kFailSafeTimerExpired: log_i("Commissioning failed, fail safe timer expired"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningSessionStarted: log_i("Commissioning session started"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningSessionStopped: log_i("Commissioning session stopped"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningWindowOpened: log_i("Commissioning window opened"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningWindowClosed: log_i("Commissioning window closed"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningComplete: log_d("Commissioning complete"); break;
case chip::DeviceLayer::DeviceEventType::kFailSafeTimerExpired: log_d("Commissioning failed, fail safe timer expired"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningSessionStarted: log_d("Commissioning session started"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningSessionStopped: log_d("Commissioning session stopped"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningWindowOpened: log_d("Commissioning window opened"); break;
case chip::DeviceLayer::DeviceEventType::kCommissioningWindowClosed: log_d("Commissioning window closed"); break;
case chip::DeviceLayer::DeviceEventType::kFabricRemoved:
{
log_i("Fabric removed successfully");
log_d("Fabric removed successfully");
if (chip::Server::GetInstance().GetFabricTable().FabricCount() == 0) {
log_i("No fabric left, opening commissioning window");
log_d("No fabric left, opening commissioning window");
chip::CommissioningWindowManager &commissionMgr = chip::Server::GetInstance().GetCommissioningWindowManager();
constexpr auto kTimeoutSeconds = chip::System::Clock::Seconds16(k_timeout_seconds);
if (!commissionMgr.IsCommissioningWindowOpen()) {
Expand All @@ -116,12 +117,16 @@ static void app_event_cb(const ChipDeviceEvent *event, intptr_t arg) {
}
break;
}
case chip::DeviceLayer::DeviceEventType::kFabricWillBeRemoved: log_i("Fabric will be removed"); break;
case chip::DeviceLayer::DeviceEventType::kFabricUpdated: log_i("Fabric is updated"); break;
case chip::DeviceLayer::DeviceEventType::kFabricCommitted: log_i("Fabric is committed"); break;
case chip::DeviceLayer::DeviceEventType::kBLEDeinitialized: log_i("BLE deinitialized and memory reclaimed"); break;
case chip::DeviceLayer::DeviceEventType::kFabricWillBeRemoved: log_d("Fabric will be removed"); break;
case chip::DeviceLayer::DeviceEventType::kFabricUpdated: log_d("Fabric is updated"); break;
case chip::DeviceLayer::DeviceEventType::kFabricCommitted: log_d("Fabric is committed"); break;
case chip::DeviceLayer::DeviceEventType::kBLEDeinitialized: log_d("BLE deinitialized and memory reclaimed"); break;
default: break;
}
// Check if the user-defined callback is set
if (ArduinoMatter::_matterEventCB != NULL) {
ArduinoMatter::_matterEventCB(static_cast<ArduinoMatter::matterEvent_t>(event->Type), event);
}
}

void ArduinoMatter::_init() {
Expand Down
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