/esp32-upload-and-storage-large-file

Primary LanguageC++

esp32-upload-and-storage-large-file

This project allow user upload and storage large file in ESP32. To save file to flash i using Little FS instead of SPIFFS because SPIFFS cannot use full memory in setting partition (lorol/LITTLEFS#10).

Installation

  1. Install esp32littlefs plugin(https://github.com/lorol/arduino-esp32littlefs-plugin)
  2. Add ESP32WebServer lib (https://github.com/Pedroalbuquerque/ESP32WebServer)
  3. Add LittleFS lib (https://github.com/lorol/LITTLEFS)

Configure

  1. Select board: Tools >> ESP32 Dev Module
  2. upload file to flash: Tools >> ESP32 LittleFS Data Upload
  3. Select Flash size: Tools >> 4MB
  4. Select Partition Scheme: No OTA (1MB APP/3MB SPIFFS)

select partition scheme

  1. Select COM Port: Tools >> Port
  2. Compile and upload

Usage

  1. Connect to ESP32 Access Point: ssid ESP32, password 12345678
  2. Open Web Browser and type 192.168.4.1/upload

upload file

  1. Select text file wanna upload to ESP32

Fix errors

  1. mklittlefs not found!

Easy to fix this error is install esp8266 board on arduino (AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\3.0.4-gcc10.3-1757bed):

  • File >> Preferences >> Additional Board Manager URLs >> https://dl.espressif.com/dl/package_esp32_index.json, https://arduino.esp8266.com/stable/package_esp8266com_index.json
  • Tools >> Board >> Boards Manager ... >> type and intall esp8266 by ESP8266 Community

References