I just added a timer to the SPIFFS sample to show you it will reboot all the time.
If you comment out the TimerEnable the code will run. Here is the code.
Code: Select all
#include "FS.h"
#include "SPIFFS.h"
hw_timer_t * timer = NULL;
portMUX_TYPE timerMux = portMUX_INITIALIZER_UNLOCKED;
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
Serial.printf("Listing directory: %s\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(" SIZE: ");
Serial.println(file.size());
}
file = root.openNextFile();
}
}
void readFile(fs::FS &fs, const char * path){
Serial.printf("Reading file: %s\n", path);
File file = fs.open(path);
if(!file || file.isDirectory()){
Serial.println("Failed to open file for reading");
return;
}
Serial.print("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\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("Write failed");
}
}
void appendFile(fs::FS &fs, const char * path, const char * message){
Serial.printf("Appending to file: %s\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\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\n", path);
if(fs.remove(path)){
Serial.println("File deleted");
} else {
Serial.println("Delete failed");
}
}
void testFileIO(fs::FS &fs, const char * path){
File file = fs.open(path);
static uint8_t buf[512];
size_t len = 0;
uint32_t start = millis();
uint32_t end = start;
if(file && !file.isDirectory()){
len = file.size();
size_t flen = len;
start = millis();
while(len){
size_t toRead = len;
if(toRead > 512){
toRead = 512;
}
file.read(buf, toRead);
len -= toRead;
}
end = millis() - start;
Serial.printf("%u bytes read for %u ms\n", flen, end);
file.close();
} else {
Serial.println("Failed to open file for reading");
}
file = fs.open(path, FILE_WRITE);
if(!file){
Serial.println("Failed to open file for writing");
return;
}
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();
}
void setup(){
Serial.begin(115200);
if(!SPIFFS.begin()){
Serial.println("SPIFFS Mount Failed");
return;
}
timer = timerBegin(0, 80, true);
timerAttachInterrupt(timer, &timerIsr, true);
timerAlarmWrite(timer, 1000, true);
//timerAlarmEnable(timer);
listDir(SPIFFS, "/", 0);
writeFile(SPIFFS, "/hello.txt", "Hello ");
appendFile(SPIFFS, "/hello.txt", "World!\n");
readFile(SPIFFS, "/hello.txt");
deleteFile(SPIFFS, "/foo.txt");
renameFile(SPIFFS, "/hello.txt", "/foo.txt");
readFile(SPIFFS, "/foo.txt");
testFileIO(SPIFFS, "/test.txt");
}
void loop(){
}
void timerIsr() {
portENTER_CRITICAL(&timerMux);
portEXIT_CRITICAL(&timerMux);
}Code: Select all
ecoding 8 results
0x400d0bbc: timerIsr() at C:\Users\Jaco\AppData\Local\Temp\arduino_modified_sketch_175913/SPIFFS_Test.ino line 178
0x400815f4: _xt_lowint1 at /Users/ficeto/Desktop/ESP32/ESP32/esp-idf-public/components/freertos/./xtensa_vectors.S line 1105
0x40086300: _frxt_int_enter at /Users/ficeto/Desktop/ESP32/ESP32/esp-idf-public/components/freertos/./portasm.S line 119