Comtrol eCos - Manual (Page 377)

Chapter 16. Serial driver details
This function is used to modify the channel’s configuration at runtime.
CYG_IO_SET_CONFIG_TTY_INFO
Buf type:
cyg_tty_info_t
Function:
This function changes the current state of the driver.
Serial driver keys (see above) may also be specified in which case the call is passed directly to the serial driver.
273