From: Philipp Guehring <[EMAIL PROTECTED]>
Date: Sat, 12 Jun 1999 15:35:28 +0200
Hi,
> How can I set the DTR line of the serial port with Linux?
> For example /dev/ttyS1.
> I already searched through the Documentation, but I could only find
> some functions in the kernel, which want a structure called
> "async_struct"
int PortFD;
unsigned int Flags;
/* opening the device */
PortFD = open ("/dev/ttyS1", O_RDWR);
/* setting the DTR bit */
Flags=TIOCM_DTR;
ioctl(PortFD, TIOCMBIS, &Flags);
for more info see Serial-Programming HOWTO.
--
Pavel Janík ml.
[EMAIL PROTECTED]
