The DroidSansMono.ttf font used to generate the cfb_fonts bitmaps can be obtained from: https://android.googlesource.com/platform/frameworks/base/+/master/data/fonts/DroidSansMono.ttf To reproduce the font bitmaps use these commands: ${ZEPHYR_BASE}/scripts/gen_cfb_font_header.py \ -i DroidSansMono.ttf \ -x 10 -y 16 -s 14 --center-x \ -o cfbv_1016 ${ZEPHYR_BASE}/scripts/gen_cfb_font_header.py \ -i DroidSansMono.ttf \ -x 15 -y 24 -s 22 --center-x --y-offset -2 \ -o cfbv_1524 ${ZEPHYR_BASE}/scripts/gen_cfb_font_header.py \ -i DroidSansMono.ttf \ -x 20 -y 32 -s 30 --center-x --y-offset -3 \ -o cfbv_2032