[SL-ONLY] Porting the MQTTs and HTTPs features on the newer release

examples/platform/silabs/BaseApplication.cpp

@@ -1040,6 +1040,7 @@ void BaseApplication::OnPlatformEvent(const ChipDeviceEvent * event, intptr_t)
                 chip::System::Clock::Seconds32(MATTER_AWS_INIT_DELAY_SEC), InitMatterAwsHandler, nullptr);
         }
 #endif // SL_MATTER_ENABLE_AWS
+
 #if SL_MATTER_DISPLAY_ENABLED
         SilabsLCD::Screen_e screen;
         AppTask::GetLCD().GetScreen(screen);

examples/platform/silabs/MatterShell.cpp

@@ -107,7 +107,12 @@ void cmdSilabsInit()
 
 #endif // SL_CATALOG_CLI_PRESENT
 
+#if defined(SL_SI91X_FREERTOS_HEAP_4_REDIRECT) && SL_SI91X_FREERTOS_HEAP_4_REDIRECT
+// NOTE: Changes for HEAP4 + redirect of malloc/free to heap4
+#include "sl_si91x_memory_manager.h"
+#else
 #include "sl_memory_manager.h"
+#endif // SL_SI91X_FREERTOS_HEAP_4_REDIRECT
 
 namespace MemoryShellCommands {
 
@@ -125,8 +130,20 @@ CHIP_ERROR MemoryCommandHandler(int argc, char ** argv)
 
 CHIP_ERROR DisplayHeapUsage([[maybe_unused]] int argc, [[maybe_unused]] char ** argv)
 {
-    streamer_printf(streamer_get(), "%lu / %lu\r\n", sl_memory_get_used_heap_size(), sl_memory_get_total_heap_size());
-    streamer_printf(streamer_get(), "High Watermark: %lu\r\n", sl_memory_get_heap_high_watermark());
+    size_t used_heap_size  = 0;
+    size_t total_heap_size = 0;
+    size_t high_watermark  = 0;
+#if defined(SL_SI91X_FREERTOS_HEAP_4_REDIRECT) && SL_SI91X_FREERTOS_HEAP_4_REDIRECT
+    used_heap_size  = sl_si91x_memory_get_used_heap_size();
+    total_heap_size = sl_si91x_memory_get_free_heap_size() + used_heap_size;
+    high_watermark  = sl_si91x_memory_get_heap_high_watermark();
+#else
+    used_heap_size  = sl_memory_get_used_heap_size();
+    total_heap_size = sl_memory_get_total_heap_size();
+    high_watermark  = sl_memory_get_heap_high_watermark();
+#endif // SL_SI91X_FREERTOS_HEAP_4_REDIRECT
+    streamer_printf(streamer_get(), "%lu / %lu\r\n", used_heap_size, total_heap_size);
+    streamer_printf(streamer_get(), "High Watermark: %lu\r\n", high_watermark);
     return CHIP_NO_ERROR;
 }
 

examples/platform/silabs/freertos_config/FreeRTOSConfig.h

@@ -282,6 +282,12 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 #define EXTRA_HEAP_k 0
 #endif
 
+#if defined(MQTT_USE_HOST_LWIP_TLS) && MQTT_USE_HOST_LWIP_TLS
+#define MQTT_EXTRA_HEAP_k 28
+#else
+#define MQTT_EXTRA_HEAP_k 0
+#endif // MQTT_USE_HOST_LWIP_TLS
+
 #ifndef configTOTAL_HEAP_SIZE
 #ifdef SL_WIFI
 #ifdef SL_MATTER_ENABLE_AWS
@@ -291,7 +297,10 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 #define configTOTAL_HEAP_SIZE ((size_t) ((68 + EXTRA_HEAP_k) * 1024))
 #endif // SLI_SI91X_MCU_INTERFACE
 #else
-#define configTOTAL_HEAP_SIZE ((size_t) ((42 + EXTRA_HEAP_k) * 1024))
+// NOTE: Changes for HEAP4 + redirect of malloc/free to heap4
+// NOTE: 42KB heap size is required for HEAP4 and 30KB heap is required for the redirect of malloc/free to heap4
+// NOTE: HEAP watermark was 64KB, additional 8KB is overhead provided to the application
+#define configTOTAL_HEAP_SIZE ((size_t) ((72 + EXTRA_HEAP_k + MQTT_EXTRA_HEAP_k) * 1024))
 #endif // SL_MATTER_ENABLE_AWS
 #else  // SL_WIFI
 #if SL_CONFIG_OPENTHREAD_LIB == 1

examples/thermostat/silabs/certs/cacert.h

@@ -0,0 +1,26 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    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.
+ */
+
+/**
+ * @file  cacert.h
+ * @brief Sample (generated) CA certificate for HTTPs and MQTTs clients
+ */
+
+#pragma once
+
+const unsigned char kCaCertExample[] = "";

examples/thermostat/silabs/include/AppTask.h

@@ -111,4 +111,9 @@ class AppTask : public BaseApplication
      *         could not be created, or an error propagated from InitSensor().
      */
     CHIP_ERROR InitThermostat();
+
+#if defined(SL_MATTER_ENABLE_SERVICES) && SL_MATTER_ENABLE_SERVICES
+    /** Schedule MQTT/HTTP service demos after internet connectivity is established. */
+    static void MatterServicesEventHandler(const chip::DeviceLayer::ChipDeviceEvent * event, intptr_t arg);
+#endif // SL_MATTER_ENABLE_SERVICES
 };

examples/thermostat/silabs/include/https_offload_example.h

@@ -0,0 +1,54 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    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.
+ */
+
+#pragma once
+
+#include "sl_status.h"
+
+#ifndef HTTP_SERVER_IP // IP address of the HTTP server
+#error "HTTP_SERVER_IP is not defined"
+#endif
+
+#ifndef HTTP_HOSTNAME // used for SNI validation
+#error "HTTP_HOSTNAME is not defined"
+#endif
+
+#ifndef HTTP_PORT // port of the HTTP server
+#error "HTTP_PORT is not defined"
+#endif
+
+#ifndef HTTP_URL
+#define HTTP_URL "/index.html" // URL of the resource on the HTTP server
+#endif
+
+#ifndef HTTP_USER
+#define HTTP_USER "john" // username for the HTTP server
+#endif
+
+#ifndef HTTP_PASS
+#define HTTP_PASS "doe" // password for the HTTP server
+#endif
+
+#ifndef HTTP_POST_DATA
+#define HTTP_POST_DATA                                                                                                             \
+    "employee_name=MR.REDDY&employee_id=RSXYZ123&designation=Engineer&company=SILABS&location=Hyderabad" // POST data for the HTTP
+                                                                                                         // // server
+#endif
+
+/** Load config + start HTTPS offload client demo. */
+sl_status_t https_client_demo_start(void);

examples/thermostat/silabs/include/mqtt_example.h

@@ -0,0 +1,68 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    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.
+ *
+ * @brief Host LwIP Paho MQTT/MQTTS demo entry point
+ * 1. Init the MqttClient
+ * 2. Connect to the MQTT broker
+ * 3. Subscribe to the topic
+ * 4. Publish the message
+ * 5. Disconnect from the MQTT broker (optional)
+ * 6. Deinit the MqttClient (optional)
+ */
+
+#pragma once
+
+#include "sl_status.h"
+
+#ifndef MQTT_BROKER_IP
+#error "MQTT_BROKER_IP is not defined"
+#endif
+
+#ifndef MQTT_TLS_HOSTNAME // The TLS hostname of your MQTT broker
+#error "MQTT_TLS_HOSTNAME is not defined"
+#endif
+
+#ifndef MQTT_BROKER_PORT // The port of your MQTT broker
+#error "MQTT_BROKER_PORT is not defined"
+#endif
+
+#ifndef MQTT_CLIENT_PORT // The port of your MQTT client
+#define MQTT_CLIENT_PORT 5003
+#endif
+
+#ifndef MQTT_CLIENT_ID // The ID of your MQTT client
+#define MQTT_CLIENT_ID "WISECONNECT_SDK_TOPIC"
+#endif
+
+#ifndef MQTT_USERNAME // The username of your MQTT client
+#define MQTT_USERNAME "john"
+#endif
+
+#ifndef MQTT_PASSWORD // The password of your MQTT client
+#define MQTT_PASSWORD "doe"
+#endif
+
+#ifndef MQTT_TOPIC // The topic of your MQTT client
+#define MQTT_TOPIC "THERMOSTAT-DATA"
+#endif
+
+#ifndef MQTT_PUBLISH_MESSAGE // The message to publish to the MQTT broker
+#define MQTT_PUBLISH_MESSAGE "THIS IS MQTT CLIENT DEMO FROM APPLICATION"
+#endif
+
+/** Load config + run MQTT demo on the MqttClient service thread (idempotent). */
+sl_status_t mqtt_client_demo_start(void);

examples/thermostat/silabs/resources/index_html.h

@@ -0,0 +1,41 @@
+/*
+ *
+ *    Copyright (c) 2026 Project CHIP Authors
+ *    All rights reserved.
+ *
+ *    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.
+ */
+
+/*
+ * @file  index_html.h
+ * @brief HTTP page for the HTTPs offload client application,
+ * this page is uploaded to the server.
+ */
+
+#pragma once
+
+const unsigned char sl_index[] =
+    "<html><head><style "
+    "type=\"text/css\">body{font-family:Arial;background:#EFF4F3;margin:0;color:#32403f;}#wp{width:600px;margin:0 "
+    "auto;}p{display:inline-block;font-weight:bold;text-align:right;margin:9px 30px 9px "
+    "0;}p,input{width:200px;}h1{text-align:center;font-size:3em;margin:0;padding:20px 0;color:#d6e4e1;border:1px solid "
+    "#7F8D8C;text-shadow:1px 1px 0 #333;}input{height:24px;border:1px solid #ccc;border-radius:4px;padding:2px "
+    "5px;margin:0 6px 0 20px;}input:focus{border-color:#32403f;}form{padding-top:20px;border-top:1px solid "
+    "#2B3736;}.btn{width:100px;margin:15px 0 15px 250px;font-weight:700;color:#fff;border:1px solid "
+    "#000;}h1,.btn{background:#485c5a;background:linear-gradient(#485c5a,#32403f);}.btn:active{background:#32403f;}input["
+    "type=checkbox],input[type=radio]{width:16px;height:14px;}#msg{margin:0 0 10px 0;}</style></head><body><h1>Employee "
+    "Details</h1><form id=\"fm\" method=\"post\" action=\"#\" onsubmit=\"return pt()\"><div "
+    "id=\"wp\"></div><p>Employee_name:</p><input id=\"emp_name\" name=\"emp_name\"><p>Employee ID:</p><input "
+    "id=\"emp_id\" name=\"emp_id\"><p>Designation:</p><input id=\"designation\" "
+    "name=\"designation\"><p>Company:</p><input id=\"company\" name=\"company\"><p>Location:</p><input id=\"location\" "
+    "name=\"location\">";

examples/thermostat/silabs/src/AppTask.cpp

@@ -43,6 +43,7 @@
 #include <platform/CHIPDeviceLayer.h>
 #include <platform/PlatformError.h>
 #include <platform/silabs/platformAbstraction/SilabsPlatform.h>
+#include <sl_cmsis_os2_common.h>
 #include <thermostat-delegate-impl.h>
 
 #if defined(SL_MATTER_USE_SI70XX_SENSOR) && SL_MATTER_USE_SI70XX_SENSOR
@@ -53,6 +54,18 @@
 #include "MatterAwsControl.h"
 #endif // SL_MATTER_ENABLE_AWS
 
+#if defined(SL_MATTER_ENABLE_SERVICES) && SL_MATTER_ENABLE_SERVICES
+#include <platform/silabs/services/matter_service.h>
+
+#if defined(SL_MATTER_ENABLE_HTTP_SERVICE) && SL_MATTER_ENABLE_HTTP_SERVICE
+#include "https_offload_example.h"
+#endif // SL_MATTER_ENABLE_HTTP_SERVICE
+
+#if defined(SL_MATTER_ENABLE_MQTT_SERVICE) && SL_MATTER_ENABLE_MQTT_SERVICE
+#include "mqtt_example.h"
+#endif // SL_MATTER_ENABLE_MQTT_SERVICE
+#endif // SL_MATTER_ENABLE_SERVICES
+
 #define APP_FUNCTION_BUTTON 0
 
 using namespace chip;
@@ -111,6 +124,15 @@ CHIP_ERROR AppTask::AppInit()
         appError(err);
     }
 
+#if defined(SL_MATTER_ENABLE_SERVICES) && SL_MATTER_ENABLE_SERVICES
+    err = PlatformMgr().AddEventHandler(MatterServicesEventHandler, 0);
+    if (err != CHIP_NO_ERROR)
+    {
+        ChipLogError(AppServer, "MatterServicesEventHandler register failed: %" CHIP_ERROR_FORMAT, err.Format());
+        appError(err);
+    }
+#endif // SL_MATTER_ENABLE_SERVICES
+
     return err;
 }
 
@@ -360,6 +382,48 @@ void AppTask::DMThermostatClusterInit(chip::EndpointId endpoint)
     SetDefaultDelegate(endpoint, &delegate);
 }
 
+#if defined(SL_MATTER_ENABLE_SERVICES) && SL_MATTER_ENABLE_SERVICES
+namespace {
+
+using chip::DeviceLayer::Silabs::kMatterServicesInitDelaySec;
+
+void InitMatterServicesHandler(System::Layer * /* systemLayer */, void * /* appState */)
+{
+#if defined(SL_MATTER_ENABLE_MQTT_SERVICE) && SL_MATTER_ENABLE_MQTT_SERVICE
+    VerifyOrReturn(SL_STATUS_OK == mqtt_client_demo_start(), ChipLogError(AppServer, "mqtt_client_demo_start failed"));
+#endif // SL_MATTER_ENABLE_MQTT_SERVICE
+
+#if defined(SL_MATTER_ENABLE_HTTP_SERVICE) && SL_MATTER_ENABLE_HTTP_SERVICE
+    VerifyOrReturn(SL_STATUS_OK == https_client_demo_start(), ChipLogError(AppServer, "https_client_demo_start failed"));
+#endif // SL_MATTER_ENABLE_HTTP_SERVICE
+}
+
+} // namespace
+
+void AppTask::MatterServicesEventHandler(const ChipDeviceEvent * event, intptr_t)
+{
+    VerifyOrReturn(event != nullptr);
+
+    if (event->Type != DeviceEventType::kInternetConnectivityChange)
+    {
+        return;
+    }
+
+    if (event->InternetConnectivityChange.IPv4 != kConnectivity_Established
+#if defined(SL_MATTER_ENABLE_DUAL_STACK) && SL_MATTER_ENABLE_DUAL_STACK
+        && event->InternetConnectivityChange.IPv6 != kConnectivity_Established
+#endif // SL_MATTER_ENABLE_DUAL_STACK
+    )
+    {
+        return;
+    }
+
+    ChipLogProgress(AppServer, "Scheduling Matter Services initialization");
+    TEMPORARY_RETURN_IGNORED SystemLayer().StartTimer(System::Clock::Seconds32(kMatterServicesInitDelaySec),
+                                                      InitMatterServicesHandler, nullptr);
+}
+#endif // SL_MATTER_ENABLE_SERVICES
+
 // emberAfThermostatClusterInitCallback — weak ZAP entry point. CRTP forwarder into AppTask.
 void emberAfThermostatClusterInitCallback(chip::EndpointId endpoint)
 {