Questions tagged [spiffs]
The spiffs tag has no usage guidance.
26
questions
1
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0
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29
views
ESP32 SPIFFS Write problem
I'm trying to flash a spiffs on a esp32 but it is not working, i'm using these commands from this source:
to create the image:
mkspiffs -c /data/ -b 4096 -p 256 -s 0x100000 spiffs.bin
my output was ...
1
vote
1
answer
64
views
how to make this code work with spiffs?
So, I have a page to select a txt file from the user's device and save it to SD card:
<!DOCTYPE html>
<html>
<head>
<title>File Upload </title>
</head>
<body&...
- 85
0
votes
2
answers
2k
views
ESP32 - error when using `LITTLEFS.h` after core updated to 2.0.4
After updating ESP32 to core version 2.0.4 (file in Arduino IDE preferences was replaced tohttps://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to upgrade), I ...
- 993
0
votes
3
answers
1k
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How to store a struct in a file?
I'm trying to store (read&write( a struct using LittleFS on ESP8266.
Appreciate assistance
struct oper_string
{
bool state; /* On or Off */
uint8_t step; /* Step, in case of PWM */
...
- 993
0
votes
2
answers
415
views
ESP32 AsyncWebServer with softAP does not serve pages
I'm trying to create a AsyncWebServer after enabling the SoftAP:
#include <Arduino.h>
#include <SPIFFS.h>
#include <WiFi.h>
#include <WiFiAP.h>
#include <AsyncTCP.h>
#...
- 357
2
votes
2
answers
209
views
How to install the application + its configuration to many devices of the same kind? (ESP32)
Being the newbie in the Arduino area... Having more devices, how can I upload some configuration parameters after the code was uploaded? Is it possible?
Situation: I have the simple application for ...
- 147
1
vote
2
answers
5k
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No SPIFFS data upload in Arduino IDE 2.0.0-rc3 (ESP32 & TTGO) - Ubuntu
I tried adding esp32fs.jar to /home/myname/Arduino/tools/ESP32FS/tool (and a few other places as it looked likely that the jar file wasn't loading). I've definitely got the correct board selected, ...
- 115
0
votes
1
answer
191
views
Error saving SPIFFS on ESP8266 - only after 3rd entry
EDIT1 - This phenomena occurs only after reboot using button or ESP.reboot()
I'll try to make my question more focused:
I have library that saved log events to SPIFFS.
From 3rd entry (in the ...
- 993
3
votes
0
answers
463
views
SPIFFS and LittleFS don't show all my files with readdir() and can't open() them
I created a simple sketch that just tries to list the files in SPIFFS. The SPIFFS filesystem was created with the version of mkspiffs that's part of the esp8266 package. The upload all seems to work, ...
- 131
1
vote
1
answer
3k
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How to write & read from SPIFFS file as object data on ESP8266
I am trying write four digit number to SPIFFS file, and read that four digit from SPIFFS file and display on seven segment.
The code, I am writing as below, I got "0" on each segment, but if ...
- 11
2
votes
1
answer
2k
views
ESP-32 Upload Files to SPIFFS via browser
I am using ESPAsyncWebServer Library in a ESP32 DevKit. I want to make a form in the browser in order to upload files in SPIFFS.
I have to notice that the whole device works perfectly. I connect to Wi-...
- 21
1
vote
0
answers
750
views
Trying to improve speed of downloading files from server and writing to SPIFFS
update I have updated the code(second code segment) so that the null character is inserted into the array which solves the problem of writing past the end of the array. in order to stop the program ...
- 153
2
votes
2
answers
82
views
Best Data model/Concept to Store Multi-Day Alarm for clock?
I'm writing a multiday day alarm program for a project.
I'm not sure how I want to store the format of each of 10 alarms....I need to store it...in SPIFFS retrieve it(at boot) and then compare it to ...
- 139
1
vote
1
answer
1k
views
ESPTOOL not recognizing ESP32-S2 chip for SPIFFs transfer
I have a spiff file that uploads fine using a regular esp32, but when I try on the esp32-32, with a fresh installation, I get:
esptool.py v3.0-dev
Serial port COM3
Connecting....
A fatal error ...
- 47
2
votes
1
answer
1k
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Any way to use DMA to transfer data to SD Card in ESP8266
I'm using ESP8266 at speed of 160 MHz to record ADC results into SD card, I need to do this at rate of 8 KHz. Means that i should save it on the SD Card or i'll run out of memory before 4 Sec passes.
...
- 41
2
votes
1
answer
1k
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ESP32 AsyncWebServer SPIFFS problem loading page
I can load spiff docs, but I get a 404. Wireless works, IP addressing works and I can load other examples successfully. This simple image load ino is giving me fits!
#include <WiFi.h>
#include ...
- 47
2
votes
2
answers
607
views
Where to store critical data in power outage situation on ESP8266
I want to store a counter that is always changing, but I want it to remain and be able to retrieve it on after a power loss.
It's only one long number data, but as it is always changing, I don't know ...
- 121
1
vote
0
answers
6k
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How to download a large text file using HTTPS on an ESP32?
Trying to create an ESP32 access to a public Spple calendar, but after connecting to the server and saving to SPIFFS it fails at the same point each time. I end up with a file of around 220 kB, when ...
- 21
0
votes
1
answer
1k
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Convert Binary to char
I'm reading a text file saved on my ESP8266 device (using LittleFS).
while (myFile.available()) {
Serial.write(myFile.read());
}
My goal is to save file content ( each line ) to a String /...
- 993
0
votes
1
answer
283
views
Store & retrieve parameters after sketch update
I have a Generic code for some IOT devices which vary in some parameters ( lets say it is only its MQTT name and subscriptions).
Since I use OTA to update sketch, I'm looking for a way to A) write ...
- 993
0
votes
2
answers
322
views
writing mqtt payload to spiffs file
I'm trying to write the payload of a MQTT message into a file in the SPIFFS file system of my esp32 board. I've tried this:
if(file.print((long)payload)) {
Serial.println("File was written");
}...
- 1
2
votes
2
answers
1k
views
Crash when serving static files width ESP8266WebServer
For the past two days, I've been trying to set up an ESP8266WebServer to serve my static web app files from SPIFFS. But as soon as I make a call to serveStatic, the ESP crashes. This is the exact code ...
2
votes
1
answer
4k
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OTA-program SPIFFS on the ESP8266
Something I'd like information on is whether it is possible to upload a SPIFFS filesystem image to the ESP8266. In theory it might work: It can be uploaded over USB, and according to the logs the ...
user47164
-1
votes
1
answer
96
views
How to respond dynamically by using File Containing Templates?
We are developing a Web Console and REST API for the NodeMCU V3 ESP8266, using ESPAsyncWebServer. We are facing some difficulties to serve dynamic pages using File Containing Templates! We're unable ...
- 99
-1
votes
2
answers
1k
views
Reading from SPIFFS - What's the best way to deal with a string (or char) array with undefined length?
I've read that it's best to avoid using String in Arduino so I'm ready to use a char array if it's better.
I'm reading the file names from an SD Card and my goal is to store them in an array and then ...
- 155
0
votes
0
answers
610
views
SPIFFS image does not fit in flash (offset 108MB)
I'm trying to upload an empty SPIFFS image to my ESP32's flash memory via the ESP32 sketch data uploader but I'm getting the following error:
[SPIFFS] data : /path/to/my/data
[SPIFFS] start : ...
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