68 lines
1.9 KiB
C++
68 lines
1.9 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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#include "nvs_partition_manager.hpp"
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#include "nvs_handle.hpp"
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#include "nvs_handle_simple.hpp"
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#include "nvs_handle_locked.hpp"
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#include "nvs_platform.hpp"
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namespace nvs {
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std::unique_ptr<NVSHandle> open_nvs_handle_from_partition(const char *partition_name,
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const char *ns_name,
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nvs_open_mode_t open_mode,
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esp_err_t *err)
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{
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if (partition_name == nullptr || ns_name == nullptr) {
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if (err) {
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*err = ESP_ERR_INVALID_ARG;
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}
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return nullptr;
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}
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Lock lock;
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NVSHandleSimple *handle_simple;
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esp_err_t result = nvs::NVSPartitionManager::get_instance()->
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open_handle(partition_name, ns_name, open_mode, &handle_simple);
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if (err) {
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*err = result;
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}
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if (result != ESP_OK) {
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return nullptr;
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}
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NVSHandleLocked *locked_handle = new (nothrow) NVSHandleLocked(handle_simple);
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if (!locked_handle) {
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if (err) {
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*err = ESP_ERR_NO_MEM;
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}
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delete handle_simple;
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return nullptr;
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}
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return std::unique_ptr<NVSHandleLocked>(locked_handle);
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}
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std::unique_ptr<NVSHandle> open_nvs_handle(const char *ns_name,
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nvs_open_mode_t open_mode,
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esp_err_t *err)
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{
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return open_nvs_handle_from_partition(NVS_DEFAULT_PART_NAME, ns_name, open_mode, err);
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}
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} // namespace nvs
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