Ttf2lff -

ttf2lff -i Roboto-Regular.ttf -o roboto_24.lff -s 24 -c '32-126' --header roboto_24.h Embed in firmware (C example)

You can use this as a blog post, documentation, or a README file. 1. Overview ttf2lff is a command-line utility designed to bridge the gap between standard desktop font formats and resource-constrained embedded environments. It converts .ttf (TrueType) or .otf (OpenType) files into .lff (Linear Flash Font) – a raw, linearly addressable bitmap font format optimized for NOR Flash memory. ttf2lff

LFF file too large for flash memory. Solution: Use --compress lz4 and subset characters with -c . ttf2lff -i Roboto-Regular

Missing Unicode characters. Solution: Verify your TTF contains those glyphs ( fc-query input.ttf ). 10. License MIT License – free for commercial and open-source embedded projects. For full documentation, see man ttf2lff or the GitHub repository. It converts

Link the binary

#include "roboto_24.h" extern const uint8_t font_lff_data[]; // linked from .lff binary void draw_char(int x, int y, char c) GlyphInfo info = get_glyph_info(font_lff_data, c); draw_bitmap(x, y, info.width, info.height, info.bits);