Use 'g' prefix for globals

Author: kedars

examples/wifi-echo/server/esp32/main/EchoDeviceCallbacks.cpp

@@ -72,7 +72,7 @@ void EchoDeviceCallbacks::DeviceEventCallback(const ChipDeviceEvent * event, int
     }
 }
 
-extern ClusterServer server;
+extern ClusterServer gServer;
 /* This function can be eliminated, and instead its contents will get executed */
 void EchoDeviceCallbacks::PostAttributeChangeCallback(uint8_t endpoint, ChipZclClusterId clusterId, ChipZclAttributeId attributeId,
                                                       uint8_t mask, uint16_t manufacturerCode, uint8_t type, uint8_t size,
@@ -82,5 +82,5 @@ void EchoDeviceCallbacks::PostAttributeChangeCallback(uint8_t endpoint, ChipZclC
     Value cValue(kCHIPValueType_Bool);
     memcpy((void *) &cValue.Int64, (void *) value, size);
 
-    server.SetValue(endpoint, clusterId, attributeId, cValue);
+    gServer.SetValue(endpoint, clusterId, attributeId, cValue);
 }

examples/wifi-echo/server/esp32/main/wifi-echo.cpp

@@ -108,7 +108,7 @@ const char * TAG = "wifi-echo-demo";
 static EchoDeviceCallbacks EchoCallbacks;
 const uint8_t applicationVersion = 20;
 const uint8_t HWVersion          = 1;
-ClusterServer server(applicationVersion, HWVersion);
+ClusterServer gServer(applicationVersion, HWVersion);
 
 namespace {
 
@@ -426,8 +426,8 @@ extern "C" void app_main()
     statusLED.Init(STATUS_LED_GPIO_NUM);
 
     /* Add a cluster to the primary endpoint of our cluster server */
-    server.AddCluster(&statusLED);
-    PrintDataModel(server);
+    gServer.AddCluster(&statusLED);
+    PrintDataModel(gServer);
 
     // Start the Echo Server
     InitDataModelHandler();