Files
esp-idf/components/nvs_flash/src/nvs_cxx_api.cpp
2025-03-28 12:57:33 +01:00

71 lines
1.6 KiB
C++

/*
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "nvs_partition_manager.hpp"
#include "nvs_handle.hpp"
#include "nvs_handle_simple.hpp"
#include "nvs_handle_locked.hpp"
#include "nvs_platform.hpp"
using namespace std;
namespace nvs {
std::unique_ptr<NVSHandle> open_nvs_handle_from_partition(const char *partition_name,
const char *ns_name,
nvs_open_mode_t open_mode,
esp_err_t *err)
{
if (partition_name == nullptr || ns_name == nullptr) {
if (err) {
*err = ESP_ERR_INVALID_ARG;
}
return nullptr;
}
esp_err_t lock_result = Lock::init();
if (lock_result != ESP_OK) {
if (err != nullptr) {
*err = lock_result;
}
return nullptr;
}
Lock lock;
NVSHandleSimple *handle_simple;
esp_err_t result = nvs::NVSPartitionManager::get_instance()->
open_handle(partition_name, ns_name, open_mode, &handle_simple);
if (err) {
*err = result;
}
if (result != ESP_OK) {
return nullptr;
}
NVSHandleLocked *locked_handle = new (nothrow) NVSHandleLocked(handle_simple);
if (!locked_handle) {
if (err) {
*err = ESP_ERR_NO_MEM;
}
delete handle_simple;
return nullptr;
}
return std::unique_ptr<NVSHandleLocked>(locked_handle);
}
std::unique_ptr<NVSHandle> open_nvs_handle(const char *ns_name,
nvs_open_mode_t open_mode,
esp_err_t *err)
{
return open_nvs_handle_from_partition(NVS_DEFAULT_PART_NAME, ns_name, open_mode, err);
}
} // namespace nvs