Added -i/--id option for USB device product ID to be set to uart mode.
Removed -p option and prompting about whether the opened device is
the correct one. Other cleanup and rearranging.
Added -i/--id option for USB device product ID to be set to uart mode.
Removed -p option and prompting about whether the opened device is
the correct one. Other cleanup and rearranging.
Some more clean up of set_uart_mode.c