HD44780 Custom Character Generator

A web-based tool for creating custom characters and icon banks for HD44780-compatible LCD displays. Generates ready-to-use code for LCD HD44780 lib - simple cross-platform C library.

Features

• Visual Character Editor: 5x8 pixel grid with live preview
• Character Bank Management: Create and manage up to 8 characters per bank
• Code Generation: Automatic C code generation with optional comments
• Configuration Saving: Save/load character configurations as JSON files
• Live Preview: Instant preview of generated characters
• Bank System: Supports multiple character banks for complex projects
• Comments Toggle: Generate code with or without descriptive doxygen comments

Live Deployment

The application is available online at:
https://niwciu.github.io/HD44780_CHAR_GENERATOR/

Related Project

This tool generates code specifically for use with:
LCD HD44780 lib - simple cross-platform C library
A cross-platform C library for controlling HD44780-compatible LCD displays

Installation

To run locally:

1. Clone repository:

git clone https://github.com/niwciu/HD44780_CHAR_GENERATOR.git

2. Install dependencies:

npm install

3. Start development server:

npm run dev

Usage

Creating Characters

• Click "Create New Char"
• Name your character abd dclick OK
• Edit pixels using the 5x8 grid - changes will save automatically.

Managing Banks

• Create character banks with "Create New Char Bank"
• Name your character bank and dclick OK
• Select character bank on bank list that you want to add the char to.
• Select char on char list that you want to add to the selectesd previously character bank.
• Add selected char to selected bank using the ">" button

NOTE: Each Characters Bank supports up to 8 characters.

Generating Code

• Configure characters and banks
• Code preview updates automatically in right panel
• Add or remove comments from code using the "Add Comments" checkbox
• Copy or save to file generated code for use with LCD_HD44780 library. For this purpose use code preview menu buttons in right top corner.

Configuration Management

You can reset, save to file and restore from saved file your custom characters configuration.
For this purpose use fallowing buttons:

• Save: Export current configuration as JSON file
• Load: Import selected configurations from JSON file
• Reset: Clear all characters and banks

Contributing

Contributions are welcome! Please follow these steps:

1. Fork the repository
2. Create your feature branch
3. Commit your changes
4. Push to the branch
5. Create a new Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.