Merge remote-tracking branch 'origin/develop'

src/platform/nrf52/AsyncUDP.cpp

@@ -33,7 +33,10 @@ bool AsyncUDP::writeTo(const uint8_t *data, size_t len, IPAddress ip, uint16_t p
     if (!udp.beginPacket(ip, port))
         return false;
     udp.write(data, len);
-    return udp.endPacket();
+    isSending = true;
+    bool ok = udp.endPacket();
+    isSending = false;
+    return ok;
 }
 
 void AsyncUDP::close()
@@ -70,7 +73,7 @@ const uint8_t *AsyncUDPPacket::data()
 
 int32_t AsyncUDP::runOnce()
 {
-    if (_onPacket && udp.parsePacket() > 0) {
+    if (_onPacket && !isSending && udp.parsePacket() > 0) {
         AsyncUDPPacket packet(udp);
         _onPacket(packet);
     }

src/platform/nrf52/AsyncUDP.h

@@ -31,6 +31,7 @@ class AsyncUDP : public Print, private concurrency::OSThread
   private:
     EthernetUDP udp;
     uint16_t localPort;
+    volatile bool isSending = false;
     std::function<void(AsyncUDPPacket)> _onPacket;
     virtual int32_t runOnce() override;
 };