arduino-esp32/cores/esp32/esp8266-compat.h

// esp8266-compat.h - Compatibility functions to help ESP8266 libraries and user code run on ESP32

// Copyright (c) 2017 Evandro Luis Copercini. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef _ESP8266_COMPAT_H_
#define _ESP8266_COMPAT_H_

#define ICACHE_FLASH_ATTR
#define ICACHE_RAM_ATTR ARDUINO_ISR_ATTR


#endif /* _ESP8266_COMPAT_H_ */