ESP8266 debug via UDP

[Gabriele Ribichini]

Dear friends,

I experienced some issue in debugging an ESP8266 with serial port.. it seems that the serial sometime does not work (an now way for me to get it working).

Thanks to Dario I tried a workaround by sending data via UDP.

That is fairly easy, define the following as global:

WiFiUDP Udp;
IPAddress remote_ip(192, 168, 1, 209); // you PC network address
#define UDP_PORT 1111

any time you want to send a message just call the following:

Udp.beginPacket(remote_ip, UDP_PORT);
Udp.write("hello\r\n");
Udp.endPacket();

then on a linux console just type:

netcat -ul 1111

to see any sent message.

hope this may help someone else.

[Flavio P.]

This is great! Debug without cable!

Thanks a lot Gab!!!

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[Di Maio, Dario]

If you add in your sketch #define LOG UDP.write you will get all Souliss debug messages (if enabled) as well.

It may be that the latest ESp cores have problems with the Serial object.

Dario.

From Mobile.

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[Flavio P.]

This is very intresting! Thanks Dario!

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[Gabriele Ribichini]

I am sorry.. it was a bit late and I forgot to say that you also need to call :

Udp.begin(UDP_PORT)

in setup function.

[Juan Pinto]

Good work, tnx for sharing :)

 

Regards

[Fulvio Spelta]

+1

[Dario Cdj]

+1 +1 +1 +1 never read this post ! 

[Fulvio Spelta]

maybe a good idea to pin this post for a while ?