Add support for XBM and PBM screenshot functions
ribasco opened this issue · comments
Reference: https://github.com/olikraus/u8g2/wiki/u8g2reference#writebufferpbm
New methods:
- String exportToXBM(void)
- String exportToXBM2(void)
- String exportToPBM(void)
- String exportToPBM2(void)