This is an utility to configure when switching between different mode for UTEK product.

usage: ./utek_gpio_mode_select_util <device> <mode>	

mode:
RS232 : RS-232 mode
RS485 : RS-485 Half Duplex mode
RS422 : RS-422 Full Duplex mode
  
For example:
  ./utek_gpio_mode_select_util /dev/ttyXRUSB0 RS485