Add guard to handle to check for _initialized (#1321)

sticilface · me-no-dev · commit 1424b6d1a443 · 2018-04-16T18:56:58.000+02:00
The wifi stack initialisation must be complete before calling  `_udp_ota.parsePacket()` otherwise you just get a screen filled with 
```
```
and due to the more async methods in ESP32 `handle()` may be called before this can occur.
diff --git a/libraries/ArduinoOTA/src/ArduinoOTA.cpp b/libraries/ArduinoOTA/src/ArduinoOTA.cpp
@@ -370,6 +370,9 @@ void ArduinoOTAClass::end() {
 }
 
 void ArduinoOTAClass::handle() {
+    if (!_initialized) {
+        return; 
+    }
     if (_state == OTA_RUNUPDATE) {
         _runUpdate();
         _state = OTA_IDLE;

Original file line number	Diff line number	Diff line change
`@@ -370,6 +370,9 @@ void ArduinoOTAClass::end() {`
`370`	`370`	`}`
`371`	`371`
`372`	`372`	`void ArduinoOTAClass::handle() {`
	`373`	`+ if (!_initialized) {`
	`374`	`+ return;`
	`375`	`+ }`
`373`	`376`	`if (_state == OTA_RUNUPDATE) {`
`374`	`377`	`_runUpdate();`
`375`	`378`	`_state = OTA_IDLE;`