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Even if this IDE is simple and easy to use, it lacks some features. Until now, if we wanted to use the Arduino tools, we had to use the Arduino IDE.
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We can use all these features from the command line without using the Arduino IDE. It provides all the features we are used to see in the Arduino IDE: Using Arduino-cli we can, also, manage libraries, cores, and board as we will see later during this tutorial.Īrduino-cli is a command line interface that you can use to create your sketch and upload it into our boards. Now we can use the following code to format our file system for first use.This tutorial describes how to use Arduino-cli to compile, uploads your sketches to an Arduino board or to an alternative board such as ESP32 or ESP8266. In the above example, I chose a 2 MB size for my ESP8266-12. From this total flash we now reserve a memory area for our file system using the Arduino IDE:īefore we upload a sketch, we select the size of our future file system. The ESP-12, ESP-12E and ESP-12F modules (also known as NodeMcu module) have at least 4 MB Flash up to 8 MB Flash. This size depends on the used ESP module (maximum size) as well as on our configuration.īy default the ESP-01 modules have 512 KB flash up to 1 MB flash. To be able to work with a file system, it must first be initialized on our ESP with a defined size.
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an updated program can continue to work with the data which were stored as file on this directly under reference to the file name. The biggest advantage, however, is that this memory area, once created, is preserved during code updates! I.e. We will come back to how this is done later. These files can be used or changed by our program code during runtime, or they can have been created by us before. In this file system files can be created, modified or deleted. First of all what does SPIFFS actually mean? SPIFFS stands for (S)erial (P)eripheral (I)nterface (F)lash (F)ile (S)ystem and it means that our ESP can hold a simple file system in the SPI program memory, which also contains our program code. Today we want to take a closer look at what SPIFFS actually is, what possibilities it offers us and how we can use it with our all-rounder microcontroller ESP 8266. In a previous post we already talked briefly about SPIFFS. ESP8266 - Everything SPIFFS or what? Or also: An own file system on our microcontroller
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