mirror of
https://github.com/esp8266/Arduino.git
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97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
/*
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core_esp8266_features.h - list of features integrated in to ESP8266 core
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Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef CORE_ESP8266_FEATURES_H
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#define CORE_ESP8266_FEATURES_H
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#define CORE_HAS_LIBB64
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#define CORE_HAS_BASE64_CLASS
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#define CORE_HAS_CXA_GUARD
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#define CORE_HAS_UMM
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#define WIFI_HAS_EVENT_CALLBACK
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#ifdef __cplusplus
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#include <stdlib.h> // malloc()
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#include <stddef.h> // size_t
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namespace arduino
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{
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extern "C++"
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template <typename T, typename ...TConstructorArgs>
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T* new0 (size_t n, TConstructorArgs... TconstructorArgs)
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{
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// n==0: single allocation, otherwise it is an array
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size_t offset = n? sizeof(size_t): 0;
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size_t arraysize = n? n: 1;
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T* ptr = (T*)malloc(offset + (arraysize * sizeof(T)));
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if (ptr)
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{
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if (n)
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*(size_t*)(ptr) = n;
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for (size_t i = 0; i < arraysize; i++)
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new (ptr + offset + i * sizeof(T)) T(TconstructorArgs...);
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return ptr + offset;
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}
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return nullptr;
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}
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}
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#define arduino_new(Type, ...) arduino::new0<Type>(0, ##__VA_ARGS__)
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#define arduino_newarray(Type, n, ...) arduino::new0<Type>(n, ##__VA_ARGS__)
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#endif // __cplusplus
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#ifndef __STRINGIFY
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#define __STRINGIFY(a) #a
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#endif
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// these low level routines provide a replacement for SREG interrupt save that AVR uses
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// but are esp8266 specific. A normal use pattern is like
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//
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//{
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// uint32_t savedPS = xt_rsil(1); // this routine will allow level 2 and above
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// // do work here
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// xt_wsr_ps(savedPS); // restore the state
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//}
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//
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// level (0-15), interrupts of the given level and above will be active
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// level 15 will disable ALL interrupts,
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// level 0 will enable ALL interrupts,
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//
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#ifndef CORE_MOCK
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#define xt_rsil(level) (__extension__({uint32_t state; __asm__ __volatile__("rsil %0," __STRINGIFY(level) : "=a" (state) :: "memory"); state;}))
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#define xt_wsr_ps(state) __asm__ __volatile__("wsr %0,ps; isync" :: "a" (state) : "memory")
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inline uint32_t esp_get_cycle_count() __attribute__((always_inline));
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inline uint32_t esp_get_cycle_count() {
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uint32_t ccount;
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__asm__ __volatile__("rsr %0,ccount":"=a"(ccount));
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return ccount;
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}
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#endif // not CORE_MOCK
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#endif // CORE_ESP8266_FEATURES_H
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