mirror of
https://github.com/0xFEEDC0DE64/arduino-esp32.git
synced 2025-07-01 04:50:58 +02:00
Rename LITTLEFS to LittleFS to match ESP8266 (#5396)
Fixes: https://github.com/espressif/arduino-esp32/issues/5103
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Me No Dev
GitHub
282
libraries/LittleFS/examples/LITTLEFS_PlatformIO/src/main.cpp
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282
libraries/LittleFS/examples/LITTLEFS_PlatformIO/src/main.cpp
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#include <Arduino.h>
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#include "FS.h"
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#include <LittleFS.h>
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#include <time.h>
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/* You only need to format LittleFS the first time you run a
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test or else use the LITTLEFS plugin to create a partition
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https://github.com/lorol/arduino-esp32littlefs-plugin */
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#define FORMAT_LITTLEFS_IF_FAILED true
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void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
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Serial.printf("Listing directory: %s\r\n", dirname);
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File root = fs.open(dirname);
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if(!root){
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Serial.println("- failed to open directory");
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return;
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}
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if(!root.isDirectory()){
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Serial.println(" - not a directory");
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return;
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}
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File file = root.openNextFile();
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while(file){
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if(file.isDirectory()){
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Serial.print(" DIR : ");
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Serial.print(file.name());
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time_t t= file.getLastWrite();
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struct tm * tmstruct = localtime(&t);
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Serial.printf(" LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n",(tmstruct->tm_year)+1900,( tmstruct->tm_mon)+1, tmstruct->tm_mday,tmstruct->tm_hour , tmstruct->tm_min, tmstruct->tm_sec);
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if(levels){
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listDir(fs, file.name(), levels -1);
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}
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} else {
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Serial.print(" FILE: ");
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Serial.print(file.name());
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Serial.print(" SIZE: ");
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Serial.print(file.size());
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time_t t= file.getLastWrite();
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struct tm * tmstruct = localtime(&t);
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Serial.printf(" LAST WRITE: %d-%02d-%02d %02d:%02d:%02d\n",(tmstruct->tm_year)+1900,( tmstruct->tm_mon)+1, tmstruct->tm_mday,tmstruct->tm_hour , tmstruct->tm_min, tmstruct->tm_sec);
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}
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file = root.openNextFile();
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}
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}
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void createDir(fs::FS &fs, const char * path){
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Serial.printf("Creating Dir: %s\n", path);
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if(fs.mkdir(path)){
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Serial.println("Dir created");
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} else {
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Serial.println("mkdir failed");
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}
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}
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void removeDir(fs::FS &fs, const char * path){
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Serial.printf("Removing Dir: %s\n", path);
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if(fs.rmdir(path)){
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Serial.println("Dir removed");
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} else {
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Serial.println("rmdir failed");
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}
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}
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void readFile(fs::FS &fs, const char * path){
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Serial.printf("Reading file: %s\r\n", path);
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File file = fs.open(path);
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if(!file || file.isDirectory()){
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Serial.println("- failed to open file for reading");
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return;
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}
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Serial.println("- read from file:");
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while(file.available()){
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Serial.write(file.read());
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}
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file.close();
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}
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void writeFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Writing file: %s\r\n", path);
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("- failed to open file for writing");
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return;
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}
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if(file.print(message)){
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Serial.println("- file written");
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} else {
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Serial.println("- write failed");
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}
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file.close();
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}
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void appendFile(fs::FS &fs, const char * path, const char * message){
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Serial.printf("Appending to file: %s\r\n", path);
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File file = fs.open(path, FILE_APPEND);
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if(!file){
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Serial.println("- failed to open file for appending");
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return;
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}
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if(file.print(message)){
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Serial.println("- message appended");
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} else {
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Serial.println("- append failed");
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}
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file.close();
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}
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void renameFile(fs::FS &fs, const char * path1, const char * path2){
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Serial.printf("Renaming file %s to %s\r\n", path1, path2);
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if (fs.rename(path1, path2)) {
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Serial.println("- file renamed");
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} else {
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Serial.println("- rename failed");
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}
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}
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void deleteFile(fs::FS &fs, const char * path){
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Serial.printf("Deleting file: %s\r\n", path);
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if(fs.remove(path)){
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Serial.println("- file deleted");
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} else {
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Serial.println("- delete failed");
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}
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}
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// SPIFFS-like write and delete file
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// See: https://github.com/esp8266/Arduino/blob/master/libraries/LittleFS/src/LittleFS.cpp#L60
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void writeFile2(fs::FS &fs, const char * path, const char * message){
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if(!fs.exists(path)){
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if (strchr(path, '/')) {
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Serial.printf("Create missing folders of: %s\r\n", path);
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char *pathStr = strdup(path);
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if (pathStr) {
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char *ptr = strchr(pathStr, '/');
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while (ptr) {
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*ptr = 0;
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fs.mkdir(pathStr);
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*ptr = '/';
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ptr = strchr(ptr+1, '/');
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}
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}
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free(pathStr);
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}
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}
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Serial.printf("Writing file to: %s\r\n", path);
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("- failed to open file for writing");
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return;
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}
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if(file.print(message)){
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Serial.println("- file written");
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} else {
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Serial.println("- write failed");
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}
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file.close();
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}
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// See: https://github.com/esp8266/Arduino/blob/master/libraries/LittleFS/src/LittleFS.h#L149
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void deleteFile2(fs::FS &fs, const char * path){
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Serial.printf("Deleting file and empty folders on path: %s\r\n", path);
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if(fs.remove(path)){
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Serial.println("- file deleted");
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} else {
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Serial.println("- delete failed");
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}
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char *pathStr = strdup(path);
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if (pathStr) {
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char *ptr = strrchr(pathStr, '/');
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if (ptr) {
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Serial.printf("Removing all empty folders on path: %s\r\n", path);
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}
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while (ptr) {
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*ptr = 0;
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fs.rmdir(pathStr);
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ptr = strrchr(pathStr, '/');
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}
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free(pathStr);
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}
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}
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void testFileIO(fs::FS &fs, const char * path){
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Serial.printf("Testing file I/O with %s\r\n", path);
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static uint8_t buf[512];
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size_t len = 0;
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File file = fs.open(path, FILE_WRITE);
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if(!file){
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Serial.println("- failed to open file for writing");
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return;
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}
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size_t i;
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Serial.print("- writing" );
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uint32_t start = millis();
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for(i=0; i<2048; i++){
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if ((i & 0x001F) == 0x001F){
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Serial.print(".");
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}
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file.write(buf, 512);
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}
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Serial.println("");
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uint32_t end = millis() - start;
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Serial.printf(" - %u bytes written in %u ms\r\n", 2048 * 512, end);
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file.close();
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file = fs.open(path);
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start = millis();
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end = start;
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i = 0;
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if(file && !file.isDirectory()){
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len = file.size();
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size_t flen = len;
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start = millis();
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Serial.print("- reading" );
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while(len){
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size_t toRead = len;
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if(toRead > 512){
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toRead = 512;
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}
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file.read(buf, toRead);
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if ((i++ & 0x001F) == 0x001F){
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Serial.print(".");
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}
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len -= toRead;
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}
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Serial.println("");
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end = millis() - start;
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Serial.printf("- %u bytes read in %u ms\r\n", flen, end);
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file.close();
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} else {
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Serial.println("- failed to open file for reading");
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}
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}
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void setup(){
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Serial.begin(115200);
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if(!LittleFS.begin(FORMAT_LITTLEFS_IF_FAILED)){
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Serial.println("LittleFS Mount Failed");
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return;
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}
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listDir(LittleFS, "/", 0);
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createDir(LittleFS, "/mydir");
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writeFile(LittleFS, "/mydir/hello2.txt", "Hello2");
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//writeFile(LittleFS, "/mydir/newdir2/newdir3/hello3.txt", "Hello3");
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writeFile2(LittleFS, "/mydir/newdir2/newdir3/hello3.txt", "Hello3");
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listDir(LittleFS, "/", 3);
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deleteFile(LittleFS, "/mydir/hello2.txt");
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//deleteFile(LittleFS, "/mydir/newdir2/newdir3/hello3.txt");
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deleteFile2(LittleFS, "/mydir/newdir2/newdir3/hello3.txt");
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removeDir(LittleFS, "/mydir");
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listDir(LittleFS, "/", 3);
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writeFile(LittleFS, "/hello.txt", "Hello ");
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appendFile(LittleFS, "/hello.txt", "World!\r\n");
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readFile(LittleFS, "/hello.txt");
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renameFile(LittleFS, "/hello.txt", "/foo.txt");
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readFile(LittleFS, "/foo.txt");
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deleteFile(LittleFS, "/foo.txt");
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testFileIO(LittleFS, "/test.txt");
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deleteFile(LittleFS, "/test.txt");
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Serial.println( "Test complete" );
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}
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void loop(){
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}
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