- added WiFi Firmware version check and update message

- tested on MKR1000 and MKR1010
NOTE: WiFINina wrongly reports "1.2.0" when WiFi.firmwareVersion() is invoked, although version "1.2.1" is set in the source files

Author: ubidefeo

src/ConnectionManager.h

@@ -41,6 +41,7 @@ class ConnectionManager {
 #define NETWORK_HARDWARE_ERROR WL_NO_SHIELD
 #define NETWORK_IDLE_STATUS WL_IDLE_STATUS
 #define NETWORK_CONNECTED WL_CONNECTED
+#define WIFI_FIRMWARE_VERSION_REQUIRED WIFI_FIRMWARE_REQUIRED
 #endif
 
 #ifdef ARDUINO_SAMD_MKRWIFI1010
@@ -49,6 +50,7 @@ class ConnectionManager {
 #define NETWORK_HARDWARE_ERROR WL_NO_MODULE
 #define NETWORK_IDLE_STATUS WL_IDLE_STATUS
 #define NETWORK_CONNECTED WL_CONNECTED
+#define WIFI_FIRMWARE_VERSION_REQUIRED WIFI_FIRMWARE_LATEST_VERSION
 #endif
 
 #ifdef ARDUINO_SAMD_MKRGSM1400

src/WiFiConnectionManager.h

@@ -103,8 +103,14 @@ void WiFiConnectionManager::check() {
           return;
         }
         *msgBuffer = 0;
-        sprintf(msgBuffer, "WiFi Firmware v. %s", WiFi.firmwareVersion());
+        sprintf(msgBuffer, "Current WiFi Firmware: %s", WiFi.firmwareVersion());
         debugMessage(msgBuffer, 0);
+        if(strcmp(WiFi.firmwareVersion(), WIFI_FIRMWARE_VERSION_REQUIRED) != 0){
+          *msgBuffer = 0;
+          sprintf(msgBuffer, "Latest WiFi Firmware: %s", WIFI_FIRMWARE_VERSION_REQUIRED);
+          debugMessage(msgBuffer, 0);
+          debugMessage("Please update to latest version for optimal performance.", 0);
+        }
         changeConnectionState(CONNECTION_STATE_CONNECTING);
         break;
       case CONNECTION_STATE_CONNECTING: