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	Support static allocation of FreeRTOS queues used by ISR routine in WiFi/BT/esp_timer/driver etc
		
			
				
	
	
		
			117 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			117 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include "esp_attr.h"
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#include "esp_heap_caps.h"
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "esp_wifi.h"
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#include "esp_wifi_internal.h"
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/*
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 If CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST is enabled. Prefer to allocate a chunk of memory in SPIRAM firstly.
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 If failed, try to allocate it in internal memory then.
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 */
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IRAM_ATTR void *wifi_malloc( size_t size )
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{
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#if CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
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    return heap_caps_malloc_prefer(size, 2, MALLOC_CAP_DEFAULT|MALLOC_CAP_SPIRAM, MALLOC_CAP_DEFAULT|MALLOC_CAP_INTERNAL);
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#else
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    return malloc(size);
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#endif
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}
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/*
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 If CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST is enabled. Prefer to allocate a chunk of memory in SPIRAM firstly.
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 If failed, try to allocate it in internal memory then.
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 */
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IRAM_ATTR void *wifi_realloc( void *ptr, size_t size )
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{
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#if CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
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    return heap_caps_realloc_prefer(ptr, size, 2, MALLOC_CAP_DEFAULT|MALLOC_CAP_SPIRAM, MALLOC_CAP_DEFAULT|MALLOC_CAP_INTERNAL);
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#else
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    return realloc(ptr, size);
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#endif
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}
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/*
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 If CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST is enabled. Prefer to allocate a chunk of memory in SPIRAM firstly.
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 If failed, try to allocate it in internal memory then.
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 */
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IRAM_ATTR void *wifi_calloc( size_t n, size_t size )
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{
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#if CONFIG_WIFI_LWIP_ALLOCATION_FROM_SPIRAM_FIRST
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    return heap_caps_calloc_prefer(n, size, 2, MALLOC_CAP_DEFAULT|MALLOC_CAP_SPIRAM, MALLOC_CAP_DEFAULT|MALLOC_CAP_INTERNAL);
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#else
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    return calloc(n, size);
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#endif
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}
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wifi_static_queue_t* wifi_create_queue( int queue_len, int item_size)
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{
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    wifi_static_queue_t *queue = NULL;
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    queue = (wifi_static_queue_t*)heap_caps_malloc(sizeof(wifi_static_queue_t), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
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    if (!queue) {
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        return NULL;
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    }
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#if CONFIG_SPIRAM_USE_MALLOC
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    queue->storage = heap_caps_calloc(1, sizeof(StaticQueue_t) + (queue_len*item_size), MALLOC_CAP_INTERNAL|MALLOC_CAP_8BIT);
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    if (!queue->storage) {
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        goto _error;
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    }
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    queue->handle = xQueueCreateStatic( queue_len, item_size, ((uint8_t*)(queue->storage)) + sizeof(StaticQueue_t), (StaticQueue_t*)(queue->storage));
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    if (!queue->handle) {
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        goto _error;
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    }
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    return queue;
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_error:
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    if (queue) {
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        if (queue->storage) {
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            free(queue->storage);
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        }
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        free(queue);
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    }
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    return NULL;
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#else
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    queue->handle = xQueueCreate( queue_len, item_size);
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    return queue;
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#endif
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}
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void wifi_delete_queue(wifi_static_queue_t *queue)
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{
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    if (queue) {
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        vQueueDelete(queue->handle);
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#if CONFIG_SPIRAM_USE_MALLOC
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        if (queue->storage) {
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            free(queue->storage);
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        }
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#endif
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        free(queue);
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    }
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}
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