Moxa-technologies INTELLIO C218 Manuel d'utilisateur télécharger pdf (Page 62)

4-8 Intellio C218Turbo /PCI User's Manual

ioc.ic_cmd = MOBUFED;

ioc.ic_timout = 0;

ioc.ic_len = sizeof(int);

ioc.ic_dp = (char *)&count;

ioctl(moxa_fd, I_STR, &ioc);

Note: See MIBUFED for influence of STREAMS driver.

3. MTCRTS

This function, only valid when hardware flow control is turned off (see

MHWFLOW), is used to drive RTS signal on or off.

Syntax for SCO UNIX/XENIX

#define MTCRTS 0x403

#define TurnON 1

#define TurnOFF 0

ioctl(moxa_fd, MTCRTS, TurnON);

ioctl(moxa_fd, MTCRTS, TurnOFF);

Syntax for UNIX SVR4

#include <sys/stropts.h>

#include <sys/sysmacros.h>

#define MTCRTS 0x403

#define TurnON 1

#define TurnOFF 0

struct strioctl ioc;

int setting;

setting = TurnON /* or TurnOFF */;

ioc.ic_cmd = MTCRTS;

ioc.ic_timout = 0;

ioc.ic_len = sizeof(int);

ioc.ic_dp = (char *)&setting;

ioctl(moxa_fd, I_STR, &ioc);

4. MTCDTR

This function, only valid when hardware flow control is turned off (see

MHWFLOW), is used to drive DTR signal on or off.

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Moxa-technologies INTELLIO C218 Manuel d'utilisateur Page 62