Permalink
179 lines (157 sloc) 4.63 KB
#include "FS.h"
#include "SPIFFS.h"
/* You only need to format SPIFFS the first time you run a
test or else use the SPIFFS plugin to create a partition
https://github.com/me-no-dev/arduino-esp32fs-plugin */
#define FORMAT_SPIFFS_IF_FAILED true
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
Serial.printf("Listing directory: %s\r\n", dirname);
File root = fs.open(dirname);
if(!root){
Serial.println("- failed to open directory");
return;
}
if(!root.isDirectory()){
Serial.println(" - not a directory");
return;
}
File file = root.openNextFile();
while(file){
if(file.isDirectory()){
Serial.print(" DIR : ");
Serial.println(file.name());
if(levels){
listDir(fs, file.name(), levels -1);
}
} else {
Serial.print(" FILE: ");
Serial.print(file.name());
Serial.print("\tSIZE: ");
Serial.println(file.size());
}
file = root.openNextFile();
}
}
void readFile(fs::FS &fs, const char * path){
Serial.printf("Reading file: %s\r\n", path);
File file = fs.open(path);
if(!file || file.isDirectory()){
Serial.println("- failed to open file for reading");
return;
}
Serial.println("- read from file:");
while(file.available()){
Serial.write(file.read());
}
}
void writeFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Writing file: %s\r\n", path);
File file = fs.open(path, FILE_WRITE);
if(!file){
Serial.println("- failed to open file for writing");
return;
}
if(file.print(message)){
Serial.println("- file written");
} else {
Serial.println("- frite failed");
}
}
void appendFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Appending to file: %s\r\n", path);
File file = fs.open(path, FILE_APPEND);
if(!file){
Serial.println("- failed to open file for appending");
return;
}
if(file.print(message)){
Serial.println("- message appended");
} else {
Serial.println("- append failed");
}
}
void renameFile(fs::FS &fs, const char * path1, const char * path2){
Serial.printf("Renaming file %s to %s\r\n", path1, path2);
if (fs.rename(path1, path2)) {
Serial.println("- file renamed");
} else {
Serial.println("- rename failed");
}
}
void deleteFile(fs::FS &fs, const char * path){
Serial.printf("Deleting file: %s\r\n", path);
if(fs.remove(path)){
Serial.println("- file deleted");
} else {
Serial.println("- delete failed");
}
}
void testFileIO(fs::FS &fs, const char * path){
Serial.printf("Testing file I/O with %s\r\n", path);
static uint8_t buf[512];
size_t len = 0;
File file = fs.open(path, FILE_WRITE);
if(!file){
Serial.println("- failed to open file for writing");
return;
}
size_t i;
Serial.print("- writing" );
uint32_t start = millis();
for(i=0; i<2048; i++){
if ((i & 0x001F) == 0x001F){
Serial.print(".");
}
file.write(buf, 512);
}
Serial.println("");
uint32_t end = millis() - start;
Serial.printf(" - %u bytes written in %u ms\r\n", 2048 * 512, end);
file.close();
file = fs.open(path);
start = millis();
end = start;
i = 0;
if(file && !file.isDirectory()){
len = file.size();
size_t flen = len;
start = millis();
Serial.print("- reading" );
while(len){
size_t toRead = len;
if(toRead > 512){
toRead = 512;
}
file.read(buf, toRead);
if ((i++ & 0x001F) == 0x001F){
Serial.print(".");
}
len -= toRead;
}
Serial.println("");
end = millis() - start;
Serial.printf("- %u bytes read in %u ms\r\n", flen, end);
file.close();
} else {
Serial.println("- failed to open file for reading");
}
}
void setup(){
Serial.begin(115200);
if(!SPIFFS.begin(FORMAT_SPIFFS_IF_FAILED)){
Serial.println("SPIFFS Mount Failed");
return;
}
listDir(SPIFFS, "/", 0);
writeFile(SPIFFS, "/hello.txt", "Hello ");
appendFile(SPIFFS, "/hello.txt", "World!\r\n");
readFile(SPIFFS, "/hello.txt");
renameFile(SPIFFS, "/hello.txt", "/foo.txt");
readFile(SPIFFS, "/foo.txt");
deleteFile(SPIFFS, "/foo.txt");
testFileIO(SPIFFS, "/test.txt");
deleteFile(SPIFFS, "/test.txt");
Serial.println( "Test complete" );
}
void loop(){
}