From 61f3d12909468456ba9cda812a85c0d0f17e250c Mon Sep 17 00:00:00 2001 From: Ivan Grokhotkov Date: Tue, 31 Mar 2015 12:05:56 +0300 Subject: [PATCH] Add missing __FlashStringHelper definition --- cores/esp8266/WString.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/cores/esp8266/WString.h b/cores/esp8266/WString.h index abba02f22..269b70291 100644 --- a/cores/esp8266/WString.h +++ b/cores/esp8266/WString.h @@ -32,6 +32,9 @@ // result objects are assumed to be writable by subsequent concatenations. class StringSumHelper; +typedef char* __FlashStringHelper; +#define F(str) str + // The string class class String {