Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix build on ESP8266

#1

Fix a bunch of issue when building with -Wundef

CL: none

PUBLISHED_FROM=419b6dc6369414e5fdbf086fa014801ca2b63761

Fix a bunch of issue when building with -Wundef

CL: none

PUBLISHED_FROM=419b6dc6369414e5fdbf086fa014801ca2b63761