78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
// 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.
|
|
#ifndef nvs_platform_h
|
|
#define nvs_platform_h
|
|
|
|
|
|
#ifdef ESP_PLATFORM
|
|
#define NVS_DEBUGV(...) ets_printf(__VA_ARGS__)
|
|
|
|
#include "rom/ets_sys.h"
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/semphr.h"
|
|
|
|
namespace nvs
|
|
{
|
|
|
|
class Lock
|
|
{
|
|
public:
|
|
Lock()
|
|
{
|
|
assert(mSemaphore);
|
|
xSemaphoreTake(mSemaphore, portMAX_DELAY);
|
|
}
|
|
|
|
~Lock()
|
|
{
|
|
assert(mSemaphore);
|
|
xSemaphoreGive(mSemaphore);
|
|
}
|
|
|
|
static esp_err_t init()
|
|
{
|
|
assert(mSemaphore == nullptr);
|
|
mSemaphore = xSemaphoreCreateMutex();
|
|
if (!mSemaphore) {
|
|
return ESP_ERR_NO_MEM;
|
|
}
|
|
return ESP_OK;
|
|
}
|
|
|
|
static void uninit()
|
|
{
|
|
vSemaphoreDelete(mSemaphore);
|
|
mSemaphore = nullptr;
|
|
}
|
|
|
|
static SemaphoreHandle_t mSemaphore;
|
|
};
|
|
} // namespace nvs
|
|
|
|
#else // ESP_PLATFORM
|
|
namespace nvs
|
|
{
|
|
class Lock
|
|
{
|
|
public:
|
|
Lock() { }
|
|
~Lock() { }
|
|
static void init() {}
|
|
static void uninit() {}
|
|
};
|
|
} // namespace nvs
|
|
#endif // ESP_PLATFORM
|
|
|
|
|
|
#endif /* nvs_platform_h */
|