c45b is a frontend to the AVR bootloader from Chip45 GmBH (see http://www.chip45.com/info/chip45boot2.html for details). Currently, only a command-line version is provided. For installation instructions, refer to the INSTALL file. For help, run c45b --help. Typical use: c45b -f -p /dev/ttyUSB0 hexfile.hex Thanks to René Staffen for contributing patches to this project. Torsten Martinsen <torsten@bullestock.net> February 2012