From aa3731c230343575870c2e031a96a2e619229bec Mon Sep 17 00:00:00 2001
From: Kristian Sloth Lauszus <lauszus@gmail.com>
Date: Tue, 25 Oct 2016 00:06:15 -0500
Subject: [PATCH] Workaround the following issue:
 https://github.com/esp8266/Arduino/issues/2078

Also see: https://travis-ci.org/felis/USB_Host_Shield_2.0/jobs/170350078
---
 settings.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/settings.h b/settings.h
index 1fb371d8..c8856a24 100644
--- a/settings.h
+++ b/settings.h
@@ -177,4 +177,16 @@ extern SPI_HandleTypeDef SPI_Handle; // Needed to be declared in your main.cpp
 #define MFK_CASTUINT8T
 #endif
 
+// Workaround issue: https://github.com/esp8266/Arduino/issues/2078
+#ifdef ESP8266
+#undef PROGMEM
+#define PROGMEM
+#undef PSTR
+#define PSTR(s) (s)
+#undef pgm_read_byte
+#define pgm_read_byte(addr) (*reinterpret_cast<const uint8_t*>(addr))
+#undef pgm_read_word
+#define pgm_read_word(addr) (*reinterpret_cast<const uint16_t*>(addr))
+#endif
+
 #endif /* SETTINGS_H */