Moxa Technologies INTELLIO C218 Uživatelský manuál stáhnout pdf (Strana 75)

Serial Programming Tools

Intellio C320Turbo User's Manual 4-7

#include <sys/sysmacros.h>

#define MOBUFED 0x402

struct strioctl ioc;

int count; /* number of bytes queued in the output buffer */

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 turn RTS 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 SVR4.x UNIX/Solaris x86

#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

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Moxa Technologies INTELLIO C218 Uživatelský manuál Strana 75