Redboot，ported to the i.MX27 PDK board. It was designed to be very portable, extensible, and configurable. Some of the features are: • Host connectivity via RS-232 or Ethernet • Command line interface via RS-232 or Telnet • Imag

X modem 协议文件传输在51单片机上实现源代码-X modem file transfer protocol on the 51 single-chip implementation source code

Bootloader firmware for x51 and at91xxx microcontrollers, can be easy targetted to other microcontrollers. Supports encryption (RC4 algorithm) of ROM-file. ROM files uploading with X-modem protocol (firmware uploading program for PC is in archive too