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1 parent 0f9595e commit 7aa7c3fCopy full SHA for 7aa7c3f
libraries/SPIFFS/examples/SPIFFS_Test/SPIFFS_Test.ino
@@ -2,15 +2,15 @@
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#include "SPIFFS.h"
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void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
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- Serial.printf("Listing directory: %s\n", dirname);
+ 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");
+ 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");
+ Serial.println(" - not a directory");
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@@ -25,116 +25,128 @@ void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
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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: ");
+ Serial.print("\tSIZE: ");
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Serial.println(file.size());
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file = root.openNextFile();
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void readFile(fs::FS &fs, const char * path){
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- Serial.printf("Reading file: %s\n", path);
+ 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");
+ Serial.println("- failed to open file for reading");
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- Serial.print("Read from file: ");
+ Serial.println("- read from file:");
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while(file.available()){
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Serial.write(file.read());
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void writeFile(fs::FS &fs, const char * path, const char * message){
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- Serial.printf("Writing file: %s\n", path);
+ 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");
+ Serial.println("- failed to open file for writing");
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if(file.print(message)){
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- Serial.println("File written");
+ Serial.println("- file written");
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- Serial.println("Write failed");
+ Serial.println("- frite failed");
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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\n", path);
+ Serial.printf("Appending to file: %s\r\n", path);
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File file = fs.open(path, FILE_APPEND);
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- Serial.println("Failed to open file for appending");
+ Serial.println("- failed to open file for appending");
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- Serial.println("Message appended");
+ Serial.println("- message appended");
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- Serial.println("Append failed");
+ Serial.println("- append failed");
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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\n", path1, path2);
+ 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");
+ Serial.println("- file renamed");
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- Serial.println("Rename failed");
+ Serial.println("- rename failed");
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void deleteFile(fs::FS &fs, const char * path){
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- Serial.printf("Deleting file: %s\n", path);
+ Serial.printf("Deleting file: %s\r\n", path);
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if(fs.remove(path)){
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- Serial.println("File deleted");
+ Serial.println("- file deleted");
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- Serial.println("Delete failed");
+ Serial.println("- delete failed");
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void testFileIO(fs::FS &fs, const char * path){
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- File file = fs.open(path);
+ Serial.printf("Testing file I/O with %s\r\n", path);
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+
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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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+ 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();
- uint32_t end = start;
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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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+ file.write(buf, 512);
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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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file.read(buf, toRead);
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+ if ((i++ & 0x001F) == 0x001F){
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len -= toRead;
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end = millis() - start;
- Serial.printf("%u bytes read for %u ms\n", flen, end);
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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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- }
-
- file = fs.open(path, FILE_WRITE);
- if(!file){
- return;
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- size_t i;
- start = millis();
- for(i=0; i<2048; i++){
- file.write(buf, 512);
- end = millis() - start;
- Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
- file.close();
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void setup(){
@@ -146,12 +158,14 @@ void setup(){
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listDir(SPIFFS, "/", 0);
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writeFile(SPIFFS, "/hello.txt", "Hello ");
- appendFile(SPIFFS, "/hello.txt", "World!\n");
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+ appendFile(SPIFFS, "/hello.txt", "World!\r\n");
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readFile(SPIFFS, "/hello.txt");
- deleteFile(SPIFFS, "/foo.txt");
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renameFile(SPIFFS, "/hello.txt", "/foo.txt");
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readFile(SPIFFS, "/foo.txt");
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+ deleteFile(SPIFFS, "/foo.txt");
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testFileIO(SPIFFS, "/test.txt");
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+ deleteFile(SPIFFS, "/test.txt");
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+ Serial.println( "Test complete" );
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void loop(){