OVMS3-idf/components/heap/multi_heap_platform.h

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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.
#pragma once
#ifdef ESP_PLATFORM
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <rom/ets_sys.h>
/* Because malloc/free can happen inside an ISR context,
we need to use portmux spinlocks here not RTOS mutexes */
#define MULTI_HEAP_LOCK(PLOCK) do { \
if((PLOCK) != NULL) { \
taskENTER_CRITICAL((portMUX_TYPE *)(PLOCK)); \
} \
} while(0)
#define MULTI_HEAP_UNLOCK(PLOCK) do { \
if ((PLOCK) != NULL) { \
taskEXIT_CRITICAL((portMUX_TYPE *)(PLOCK)); \
} \
} while(0)
/* Not safe to use std i/o while in a portmux critical section,
can deadlock, so we use the ROM equivalent functions. */
#define MULTI_HEAP_PRINTF ets_printf
#define MULTI_HEAP_STDERR_PRINTF(MSG, ...) ets_printf(MSG, __VA_ARGS__)
#else
#define MULTI_HEAP_PRINTF printf
#define MULTI_HEAP_STDERR_PRINTF(MSG, ...) fprintf(stderr, MSG, __VA_ARGS__)
#define MULTI_HEAP_LOCK(PLOCK)
#define MULTI_HEAP_UNLOCK(PLOCK)
#endif