> The STDIO defaultly use the "/dev/ttydiag", how to shift it to another > device, like "/dev/tty0"? I think you can change CYGDAT_LIBC_STDIO_DEFAULT_CONSOLE. Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss