[EFR32] Add support for TestEventTrigger on Silabs (#27471)

* [EFR32] Add support for TestEventTrigger on Silabs * Restyled by clang-format --------- Co-authored-by: Hare <[email protected]> Co-authored-by: Restyled.io <[email protected]>
project-chip · Nov 15, 2023 · 4ffd67d · 4ffd67d
1 parent d01fdfb
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Showing 6 changed files with 227 additions and 1 deletion.
diff --git a/examples/platform/silabs/SiWx917/BUILD.gn b/examples/platform/silabs/SiWx917/BUILD.gn
@@ -43,6 +43,13 @@ declare_args() {
 
   #default Wifi Password
   chip_default_wifi_psk = ""
+
+  # Enable TestEventTrigger in GeneralDiagnostics cluster
+  silabs_test_event_trigger_enabled = false
+
+  # The EnableKey in hex string format used by TestEventTrigger command in
+  # GeneralDiagnostics cluster. The length of the string should be 32.
+  silabs_test_event_trigger_enable_key = "00112233445566778899aabbccddeeff"
 }
 
 import("${chip_root}/src/platform/silabs/wifi_args.gni")
@@ -226,6 +233,7 @@ config("silabs-wifi-config") {
 
 source_set("siwx917-common") {
   deps = []
+  defines = []
   public_deps = []
   public_configs = [
     ":siwx917-common-config",
@@ -294,6 +302,12 @@ source_set("siwx917-common") {
     public_deps += [ ":silabs-factory-data-provider" ]
   }
 
+  if (silabs_test_event_trigger_enabled) {
+    sources +=
+        [ "${silabs_common_plat_dir}/SilabsTestEventTriggerDelegate.cpp" ]
+    defines += [ "SILABS_TEST_EVENT_TRIGGER_ENABLE_KEY=\"${silabs_test_event_trigger_enable_key}\"" ]
+  }
+
   public_deps += [
     "${chip_root}/examples/providers:device_info_provider",
     "${chip_root}/src/lib",

diff --git a/examples/platform/silabs/SiWx917/matter_config.cpp b/examples/platform/silabs/SiWx917/matter_config.cpp
@@ -55,6 +55,8 @@ using namespace ::chip::DeviceLayer;
 // If building with the SiWx917-provided crypto backend, we can use the
 
 #include "SilabsDeviceDataProvider.h"
+#include "SilabsTestEventTriggerDelegate.h"
+#include <string.h>
 
 #if SILABS_OTA_ENABLED
 void SilabsMatterConfig::InitOTARequestorHandler(System::Layer * systemLayer, void * appState)
@@ -65,7 +67,8 @@ void SilabsMatterConfig::InitOTARequestorHandler(System::Layer * systemLayer, vo
 }
 #endif
 
-void SilabsMatterConfig::ConnectivityEventCallback(const ChipDeviceEvent * event, intptr_t arg){
+void SilabsMatterConfig::ConnectivityEventCallback(const ChipDeviceEvent * event, intptr_t arg)
+{
     // Initialize OTA only when Thread or WiFi connectivity is established
     /*if (((event->Type == DeviceEventType::kThreadConnectivityChange) &&
          (event->ThreadConnectivityChange.Result == kConnectivity_Established)) ||
@@ -79,6 +82,51 @@ void SilabsMatterConfig::ConnectivityEventCallback(const ChipDeviceEvent * event
     SILABS_LOG("Scheduling OTA Requestor initialization")
 }
 
+#if SILABS_TEST_EVENT_TRIGGER_ENABLED
+static uint8_t sTestEventTriggerEnableKey[TestEventTriggerDelegate::kEnableKeyLength] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55,
+                                                                                          0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb,
+                                                                                          0xcc, 0xdd, 0xee, 0xff };
+
+static int hex_digit_to_int(char hex)
+{
+    if ('A' <= hex && hex <= 'F')
+    {
+        return 10 + hex - 'A';
+    }
+    if ('a' <= hex && hex <= 'f')
+    {
+        return 10 + hex - 'a';
+    }
+    if ('0' <= hex && hex <= '9')
+    {
+        return hex - '0';
+    }
+    return -1;
+}
+
+static size_t hex_string_to_binary(const char * hex_string, uint8_t * buf, size_t buf_size)
+{
+    size_t num_char = strlen(hex_string);
+    if (num_char != buf_size * 2)
+    {
+        return 0;
+    }
+    for (size_t i = 0; i < num_char; i += 2)
+    {
+        int digit0 = hex_digit_to_int(hex_string[i]);
+        int digit1 = hex_digit_to_int(hex_string[i + 1]);
+
+        if (digit0 < 0 || digit1 < 0)
+        {
+            return 0;
+        }
+        buf[i / 2] = (digit0 << 4) + digit1;
+    }
+
+    return buf_size;
+}
+#endif // SILABS_TEST_EVENT_TRIGGER_ENABLED
+
 CHIP_ERROR SilabsMatterConfig::InitMatter(const char * appName)
 {
     CHIP_ERROR err;
@@ -131,6 +179,17 @@ CHIP_ERROR SilabsMatterConfig::InitMatter(const char * appName)
     // Create initParams with SDK example defaults here
     static chip::CommonCaseDeviceServerInitParams initParams;
 
+#if SILABS_TEST_EVENT_TRIGGER_ENABLED
+    if (hex_string_to_binary(SILABS_TEST_EVENT_TRIGGER_ENABLE_KEY, sTestEventTriggerEnableKey,
+                             sizeof(sTestEventTriggerEnableKey)) == 0)
+    {
+        SILABS_LOG("Failed to convert the EnableKey string to octstr type value");
+        memset(sTestEventTriggerEnableKey, 0, sizeof(sTestEventTriggerEnableKey));
+    }
+    static SilabsTestEventTriggerDelegate testEventTriggerDelegate{ ByteSpan(sTestEventTriggerEnableKey) };
+    initParams.testEventTriggerDelegate = &testEventTriggerDelegate;
+#endif // SILABS_TEST_EVENT_TRIGGER_ENABLED
+
     // Initialize the remaining (not overridden) providers to the SDK example defaults
     (void) initParams.InitializeStaticResourcesBeforeServerInit();
 

diff --git a/examples/platform/silabs/SilabsTestEventTriggerDelegate.cpp b/examples/platform/silabs/SilabsTestEventTriggerDelegate.cpp
@@ -0,0 +1,30 @@
+/*
+ *
+ *    Copyright (c) 2023 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.
+ */
+
+#include "SilabsTestEventTriggerDelegate.h"
+
+using namespace ::chip::DeviceLayer;
+
+namespace chip {
+
+bool SilabsTestEventTriggerDelegate::DoesEnableKeyMatch(const ByteSpan & enableKey) const
+{
+    return !mEnableKey.empty() && mEnableKey.data_equal(enableKey);
+}
+
+} // namespace chip
diff --git a/examples/platform/silabs/SilabsTestEventTriggerDelegate.h b/examples/platform/silabs/SilabsTestEventTriggerDelegate.h
@@ -0,0 +1,48 @@
+/*
+ *
+ *    Copyright (c) 2023 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 <app/TestEventTriggerDelegate.h>
+
+namespace chip {
+
+class SilabsTestEventTriggerDelegate : public TestEventTriggerDelegate
+{
+public:
+    explicit SilabsTestEventTriggerDelegate(const ByteSpan & enableKey) : mEnableKey(enableKey) {}
+
+    /**
+     * @brief Checks to see if `enableKey` provided matches value chosen by the manufacturer.
+     * @param enableKey Buffer of the key to verify.
+     * @return True or False.
+     */
+    bool DoesEnableKeyMatch(const ByteSpan & enableKey) const override;
+
+    /**
+     * @brief User handler for handling the test event trigger based on `eventTrigger` provided.
+     * @param eventTrigger Event trigger to handle.
+     * @return CHIP_NO_ERROR on success or another CHIP_ERROR on failure.
+     */
+    CHIP_ERROR HandleEventTrigger(uint64_t eventTrigger) override;
+
+private:
+    ByteSpan mEnableKey;
+};
+
+} // namespace chip
diff --git a/examples/platform/silabs/efr32/BUILD.gn b/examples/platform/silabs/efr32/BUILD.gn
@@ -41,6 +41,13 @@ declare_args() {
 
   # Use default handler to negotiate subscription max interval
   chip_config_use_icd_subscription_callbacks = enable_sleepy_device
+
+  # Enable TestEventTrigger in GeneralDiagnostics cluster
+  silabs_test_event_trigger_enabled = false
+
+  # The EnableKey in hex string format used by TestEventTrigger command in
+  # GeneralDiagnostics cluster. The length of the string should be 32.
+  silabs_test_event_trigger_enable_key = "00112233445566778899aabbccddeeff"
 }
 
 silabs_common_plat_dir = "${chip_root}/examples/platform/silabs"
@@ -262,6 +269,7 @@ config("silabs-wifi-config") {
 
 source_set("efr32-common") {
   deps = []
+  defines = []
   public_deps = []
   public_configs = [
     ":efr32-common-config",
@@ -351,6 +359,15 @@ source_set("efr32-common") {
     public_deps += [ ":efr32-ICD-subscription-callback" ]
   }
 
+  if (silabs_test_event_trigger_enabled) {
+    sources +=
+        [ "${silabs_common_plat_dir}/SilabsTestEventTriggerDelegate.cpp" ]
+    defines += [
+      "SILABS_TEST_EVENT_TRIGGER_ENABLED=true",
+      "SILABS_TEST_EVENT_TRIGGER_ENABLE_KEY=\"${silabs_test_event_trigger_enable_key}\"",
+    ]
+  }
+
   public_deps += [
     "${chip_root}/examples/providers:device_info_provider",
     "${chip_root}/src/app/server",

diff --git a/examples/platform/silabs/efr32/matter_config.cpp b/examples/platform/silabs/efr32/matter_config.cpp
@@ -54,7 +54,9 @@ static chip::DeviceLayer::Internal::Efr32PsaOperationalKeystore gOperationalKeys
 #endif
 
 #include "SilabsDeviceDataProvider.h"
+#include "SilabsTestEventTriggerDelegate.h"
 #include <app/InteractionModelEngine.h>
+#include <string.h>
 
 #ifdef CHIP_CONFIG_USE_ICD_SUBSCRIPTION_CALLBACKS
 ICDSubscriptionCallback SilabsMatterConfig::mICDSubscriptionHandler;
@@ -133,6 +135,51 @@ void SilabsMatterConfig::ConnectivityEventCallback(const ChipDeviceEvent * event
     }
 }
 
+#if SILABS_TEST_EVENT_TRIGGER_ENABLED
+static uint8_t sTestEventTriggerEnableKey[TestEventTriggerDelegate::kEnableKeyLength] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55,
+                                                                                          0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb,
+                                                                                          0xcc, 0xdd, 0xee, 0xff };
+
+static int hex_digit_to_int(char hex)
+{
+    if ('A' <= hex && hex <= 'F')
+    {
+        return 10 + hex - 'A';
+    }
+    if ('a' <= hex && hex <= 'f')
+    {
+        return 10 + hex - 'a';
+    }
+    if ('0' <= hex && hex <= '9')
+    {
+        return hex - '0';
+    }
+    return -1;
+}
+
+static size_t hex_string_to_binary(const char * hex_string, uint8_t * buf, size_t buf_size)
+{
+    size_t num_char = strlen(hex_string);
+    if (num_char != buf_size * 2)
+    {
+        return 0;
+    }
+    for (size_t i = 0; i < num_char; i += 2)
+    {
+        int digit0 = hex_digit_to_int(hex_string[i]);
+        int digit1 = hex_digit_to_int(hex_string[i + 1]);
+
+        if (digit0 < 0 || digit1 < 0)
+        {
+            return 0;
+        }
+        buf[i / 2] = (digit0 << 4) + digit1;
+    }
+
+    return buf_size;
+}
+#endif // SILABS_TEST_EVENT_TRIGGER_ENABLED
+
 CHIP_ERROR SilabsMatterConfig::InitMatter(const char * appName)
 {
     CHIP_ERROR err;
@@ -174,6 +221,17 @@ CHIP_ERROR SilabsMatterConfig::InitMatter(const char * appName)
     // Create initParams with SDK example defaults here
     static chip::CommonCaseDeviceServerInitParams initParams;
 
+#if SILABS_TEST_EVENT_TRIGGER_ENABLED
+    if (hex_string_to_binary(SILABS_TEST_EVENT_TRIGGER_ENABLE_KEY, sTestEventTriggerEnableKey,
+                             sizeof(sTestEventTriggerEnableKey)) == 0)
+    {
+        SILABS_LOG("Failed to convert the EnableKey string to octstr type value");
+        memset(sTestEventTriggerEnableKey, 0, sizeof(sTestEventTriggerEnableKey));
+    }
+    static SilabsTestEventTriggerDelegate testEventTriggerDelegate{ ByteSpan(sTestEventTriggerEnableKey) };
+    initParams.testEventTriggerDelegate = &testEventTriggerDelegate;
+#endif // SILABS_TEST_EVENT_TRIGGER_ENABLED
+
 #if CHIP_CRYPTO_PLATFORM
     // When building with EFR32 crypto, use the opaque key store
     // instead of the default (insecure) one.