6e97936bac
Also don’t assert in nvs_* functions if nvs_flash_init wasn’t called, and make nvs_flash_init_custom an internal API for unit tests.
81 lines
1.6 KiB
C++
81 lines
1.6 KiB
C++
// Copyright 2015-2016 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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// 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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#ifndef nvs_platform_h
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#define nvs_platform_h
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#ifdef ESP_PLATFORM
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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namespace nvs
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{
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class Lock
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{
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public:
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Lock()
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{
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if (mSemaphore) {
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xSemaphoreTake(mSemaphore, portMAX_DELAY);
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}
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}
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~Lock()
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{
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if (mSemaphore) {
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xSemaphoreGive(mSemaphore);
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}
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}
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static esp_err_t init()
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{
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if (mSemaphore) {
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return ESP_OK;
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}
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mSemaphore = xSemaphoreCreateMutex();
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if (!mSemaphore) {
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return ESP_ERR_NO_MEM;
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}
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return ESP_OK;
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}
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static void uninit()
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{
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if (mSemaphore) {
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vSemaphoreDelete(mSemaphore);
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}
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mSemaphore = nullptr;
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}
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static SemaphoreHandle_t mSemaphore;
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};
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} // namespace nvs
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#else // ESP_PLATFORM
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namespace nvs
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{
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class Lock
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{
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public:
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Lock() { }
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~Lock() { }
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static void init() {}
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static void uninit() {}
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};
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} // namespace nvs
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#endif // ESP_PLATFORM
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#endif /* nvs_platform_h */
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