152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
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/*
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "sdkconfig.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#define TAG "EXAMPLE_NVS"
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#define NVS_NAME "mesh_example"
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esp_err_t ble_mesh_nvs_open(nvs_handle *handle)
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{
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esp_err_t err = ESP_OK;
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if (handle == NULL) {
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ESP_LOGE(TAG, "Open, invalid nvs handle");
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return ESP_ERR_INVALID_ARG;
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}
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err = nvs_open(NVS_NAME, NVS_READWRITE, handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Open, nvs_open failed, err %d", err);
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return err;
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}
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ESP_LOGI(TAG, "Open namespace done, name \"%s\"", NVS_NAME);
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return err;
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}
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esp_err_t ble_mesh_nvs_store(nvs_handle handle, const char *key, const void *data, size_t length)
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{
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esp_err_t err = ESP_OK;
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if (key == NULL || data == NULL || length == 0) {
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ESP_LOGE(TAG, "Store, invalid parameter");
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return ESP_ERR_INVALID_ARG;
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}
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err = nvs_set_blob(handle, key, data, length);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Store, nvs_set_blob failed, err %d", err);
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return err;
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}
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err = nvs_commit(handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Store, nvs_commit failed, err %d", err);
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return err;
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}
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ESP_LOGI(TAG, "Store, key \"%s\", length %u", key, length);
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ESP_LOG_BUFFER_HEX("EXAMPLE_NVS: Store, data", data, length);
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return err;
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}
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esp_err_t ble_mesh_nvs_get_length(nvs_handle handle, const char *key, size_t *length)
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{
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esp_err_t err = ESP_OK;
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if (key == NULL || length == NULL) {
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ESP_LOGE(TAG, "Get length, invalid parameter");
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return ESP_ERR_INVALID_ARG;
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}
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err = nvs_get_blob(handle, key, NULL, length);
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if (err == ESP_ERR_NVS_NOT_FOUND) {
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ESP_LOGI(TAG, "Get length, key \"%s\" not exists", key);
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*length = 0;
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return ESP_OK;
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}
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Get length, nvs_get_blob failed, err %d", err);
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} else {
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ESP_LOGI(TAG, "Get length, key \"%s\", length %u", key, *length);
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}
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return err;
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}
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esp_err_t ble_mesh_nvs_restore(nvs_handle handle, const char *key, void *data, size_t length, bool *exist)
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{
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esp_err_t err = ESP_OK;
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if (key == NULL || data == NULL || length == 0) {
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ESP_LOGE(TAG, "Restore, invalid parameter");
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return ESP_ERR_INVALID_ARG;
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}
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err = nvs_get_blob(handle, key, data, &length);
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if (err == ESP_ERR_NVS_NOT_FOUND) {
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ESP_LOGI(TAG, "Restore, key \"%s\" not exists", key);
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if (exist) {
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*exist = false;
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}
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return ESP_OK;
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}
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if (exist) {
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*exist = true;
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}
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Restore, nvs_get_blob failed, err %d", err);
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} else {
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ESP_LOGI(TAG, "Restore, key \"%s\", length %u", key, length);
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ESP_LOG_BUFFER_HEX("EXAMPLE_NVS: Restore, data", data, length);
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}
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return err;
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}
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esp_err_t ble_mesh_nvs_erase(nvs_handle handle, const char *key)
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{
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esp_err_t err = ESP_OK;
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if (key) {
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err = nvs_erase_key(handle, key);
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if (err == ESP_ERR_NVS_NOT_FOUND) {
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ESP_LOGI(TAG, "Erase, key \"%s\" not exists", key);
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return ESP_OK;
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}
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} else {
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err = nvs_erase_all(handle);
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}
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Erase, nvs_erase_%s failed, err %d", key ? "key" : "all", err);
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return err;
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}
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err = nvs_commit(handle);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Erase, nvs_commit failed, err %d", err);
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return err;
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}
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if (key) {
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ESP_LOGI(TAG, "Erase done, key \"%s\"", key);
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} else {
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ESP_LOGI(TAG, "Erase namespace done, name \"%s\"", NVS_NAME);
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}
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return err;
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}
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