Added C3 as READ characteristic

Author: bhmanda-silabs

src/platform/silabs/rs911x/BLEManagerImpl.cpp

@@ -164,21 +164,26 @@ void rsi_ble_add_matter_service(void)
                                                    RSI_BLE_ATT_PROPERTY_INDICATE, // Set read, write, write without response
                                                data, sizeof(data), ATT_REC_MAINTAIN_IN_HOST);
 #ifdef CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING
-    static const uuid_t custom_characteristic_C3 = {
-        .size     = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_SIZE,
-        .reserved = { RSI_BLE_CUSTOM_CHARACTERISTIC_C3_RESERVED },
-        .val      = { .val128 = { .data1 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_1,
-                                  .data2 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_2,
-                                  .data3 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_3,
-                                  .data4 = { RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_4 } } }
-    };
+    constexpr uuid_t custom_characteristic_C3 = { .size     = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_SIZE,
+                                                  .reserved = { RSI_BLE_CUSTOM_CHARACTERISTIC_C3_RESERVED },
+                                                  .val      = { .val128 = {
+                                                                    .data1 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_1,
+                                                                    .data2 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_2,
+                                                                    .data3 = RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_3,
+                                                                    .data4 = { RSI_BLE_CUSTOM_CHARACTERISTIC_C3_VALUE_128_DATA_4 } } } };
 
     // Adding custom characteristic declaration to the custom service
     SilabsBleWrapper::rsi_ble_add_char_serv_att(
         new_serv_resp.serv_handler, new_serv_resp.start_handle + RSI_BLE_CHARACTERISTIC_C3_ATTRIBUTE_HANDLE_LOCATION,
-        RSI_BLE_ATT_PROPERTY_WRITE_NO_RESPONSE | RSI_BLE_ATT_PROPERTY_WRITE | RSI_BLE_ATT_PROPERTY_READ |
-            RSI_BLE_ATT_PROPERTY_NOTIFY | RSI_BLE_ATT_PROPERTY_INDICATE, // Set read, write, write without response
+        RSI_BLE_ATT_PROPERTY_READ, // Set read
         new_serv_resp.start_handle + RSI_BLE_CHARACTERISTIC_C3_MEASUREMENT_HANDLE_LOCATION, custom_characteristic_C3);
+
+    // Adding characteristic value attribute to the service
+    SilabsBleWrapper::rsi_ble_add_char_val_att(new_serv_resp.serv_handler,
+                                               new_serv_resp.start_handle + RSI_BLE_CHARACTERISTIC_C3_MEASUREMENT_HANDLE_LOCATION,
+                                               custom_characteristic_C3,
+                                               RSI_BLE_ATT_PROPERTY_READ, // Set read
+                                               data, sizeof(data), ATT_REC_IN_HOST);
 #endif // CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING
 }