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// 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.
#include "vfs_api.h"
extern "C" {
#include <sys/unistd.h>
#include <sys/stat.h>
#include <dirent.h>
#include "esp_spiffs.h"
}
#include "SPIFFS.h"
using namespace fs;
SPIFFSFS::SPIFFSFS(FSImplPtr impl)
: FS(impl)
{}
bool SPIFFSFS::begin(bool formatOnFail, const char * basePath, uint8_t maxOpenFiles)
{
if(esp_spiffs_mounted(NULL)){
log_w("SPIFFS Already Mounted!");
return true;
}
esp_vfs_spiffs_conf_t conf = {
.base_path = basePath,
.partition_label = NULL,
.max_files = maxOpenFiles,
.format_if_mount_failed = false
};
esp_err_t err = esp_vfs_spiffs_register(&conf);
if(err == ESP_FAIL && formatOnFail){
if(format()){
err = esp_vfs_spiffs_register(&conf);
}
}
if(err != ESP_OK){
log_e("Mounting SPIFFS failed! Error: %d", err);
return false;
}
_impl->mountpoint(basePath);
return true;
}
void SPIFFSFS::end()
{
if(esp_spiffs_mounted(NULL)){
esp_err_t err = esp_vfs_spiffs_unregister(NULL);
if(err){
log_e("Unmounting SPIFFS failed! Error: %d", err);
return;
}
_impl->mountpoint(NULL);
}
}
bool SPIFFSFS::format()
{
disableCore0WDT();
esp_err_t err = esp_spiffs_format(NULL);
enableCore0WDT();
if(err){
log_e("Formatting SPIFFS failed! Error: %d", err);
return false;
}
return true;
}
size_t SPIFFSFS::totalBytes()
{
size_t total,used;
if(esp_spiffs_info(NULL, &total, &used)){
return 0;
}
return total;
}
size_t SPIFFSFS::usedBytes()
{
size_t total,used;
if(esp_spiffs_info(NULL, &total, &used)){
return 0;
}
return used;
}
bool SPIFFSFS::exists(const char* path)
{
File f = open(path, "r");
return (f == true) && !f.isDirectory();
}
bool SPIFFSFS::exists(const String& path)
{
return exists(path.c_str());
}
SPIFFSFS SPIFFS = SPIFFSFS(FSImplPtr(new VFSImpl()));
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