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SPIFFS Generation Wrapper

A TypeScript wrapper for generating and unpacking SPIFFS images using spiffsgen.py

Table of Contents

Overview

This wrapper provides an easy-to-use interface for creating and unpacking SPIFFS images with the help of spiffsgen.py. It determines the correct executable path based on the platform, ensures the script is executable, and simplifies command execution.

Prerequisites

  • Node.js (version 14 or higher)
  • Python (version 3.x) installed and available in the system's PATH
  • spiffsgen.py should be available in the bin directory or in the specified location in the script

Installation

Clone the repository and navigate to the project directory:

git clone https://github.com/your-repo/spiffs-gen-wrapper.git
cd spiffs-gen-wrapper

Install the dependencies:

npm install

Usage

Packing a Directory

Use the pack method to create a SPIFFS image from a directory:

import SpiffsGen from 'SpiffsGen';

const spiffsGen = new SpiffsGen();

spiffsGen.pack(
    './data',               // Source directory
    'spiffs.bin',           // Output file
    { blockSize: 4096, pageSize: 256, spiffSize: 131072 }, // Options
    (error, stdout) => {
        if (error) {
            console.error('Failed to create SPIFFS image:', error);
        } else {
            console.log('SPIFFS image created successfully:', stdout);
        }
    }
);

Configuration

Options for Packing

  • blockSize: The block size in bytes (default: 4096)
  • pageSize: The page size in bytes (default: 256)
  • spiffSize: The total size of the SPIFFS image in bytes (e.g., 131072 for 128 KB)

Example Configuration

To use different options for generating a SPIFFS image:

const options = {
    blockSize: 8192,       // Block size
    pageSize: 512,         // Page size
    spiffSize: 262144,     // Image size
};

License

This project is licensed under the MIT License