CODEWITHSUNDEEP
arduinoesp8266arduino-idearduino-esp8266
Alvaro
Alvaro

Reputation: 182

ESP8266 error when compiling: TCP_MSS must be defined

I'm just beginning with Arduino and ESP8266. After doing some basic things with an arduino board, some leds and sensors, I wanted to replicate them over a Mini-NodeMcu Lua WiFi-Board based on ESP-8266-12E and everything went fine. Then I wanted to try WiFi connection with this board but I cannot compile any example code, all of them compile with errors as soon as I include the ESP8266WiFi.h library.

Errors shown are:

#error TCP_MSS must be defined
#error LWIP_IPV6 must be defined
#error LWIP_FEATURES must be defined
#error LWIP_OPEN_SRC must be defined

I can't find any info on these errors. I'm using Arduino IDE and everything is updated to latest versions.

Thanks!

Upvotes: 0

Views: 4560

Answers (1)

Immanual R
Immanual R

Reputation: 11

Just add the lines 

#define TCP_MSS whatever
#define LWIP_IPV6 whatever
#define LWIP_FEATURES whatever
#define LWIP_OPEN_SRC whatever

Upvotes: 1

Related Questions