* try to avoid exceptions, added yield

* try to fix DNS problems

tools/esp8266/app.cpp

@@ -150,7 +150,8 @@ void app::loop(void) {
             inv = mSys->getInverterByPos(i);
             if(NULL != inv) {
                 mSys->Radio.sendTimePacket(inv->radioId.u64, mTimestamp);
-                delay(20);
+                yield();
+                delay(100);
             }
         }
     }
@@ -171,6 +172,7 @@ void app::loop(void) {
                         snprintf(val, 10, "%.3f", mSys->getValue(iv, i));
                         mMqtt.sendMsg(topic, val);
                         delay(20);
+                        yield();
                     }
                 }
             }
@@ -187,6 +189,7 @@ void app::loop(void) {
                         snprintf(val, 10, "%.3f %s", mSys->getValue(iv, i), mSys->getUnit(iv, i));
                         Serial.println(String(topic) + ": " + String(val));
                     }
+                    yield();
                 }
             }
         }

tools/esp8266/defines.h

@@ -25,7 +25,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       2
-#define VERSION_PATCH       7
+#define VERSION_PATCH       8
 
 
 //-------------------------------------

tools/esp8266/main.cpp

@@ -43,8 +43,6 @@ void Main::setup(const char *ssid, const char *pwd, uint32_t timeout) {
     mWeb->onNotFound (std::bind(&Main::showNotFound, this));
 
     startAp = getConfig();
-    if(String(mDeviceName) != "")
-        WiFi.hostname(mDeviceName);
 
     if(false == startAp)
         startAp = setupStation(timeout);
@@ -126,6 +124,8 @@ bool Main::setupStation(uint32_t timeout) {
 
     WiFi.mode(WIFI_STA);
     WiFi.begin(mStationSsid, mStationPwd);
+    if(String(mDeviceName) != "")
+        WiFi.hostname(mDeviceName);
 
     delay(5000);
     Serial.println("wait for network");