[En-Nut-Discussion] Ethernut3.1 RS232 DTR pin

[Thiago A. Corrêa]

Oh, btw, if there is a similar implementation on the arm USART driver
as the one on the AVR, then you could turn DTR up using something
like:

unsigned long on = 1;
_ioctl(_fileno(cd.cd_rs232), UART_DTR, &on);

Kind Regards,
    Thiago A. Correa