4-8
Smartio
C168H/HS User’s Manual
Syntax for UNIX SVR4.2
#include
<sys/stropts.h>
#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 drive RTS signal on or off.
Syntax for SCO UNIX/OpenServer
#define MTCRTS
0x403
#define TurnON
1
#define TurnOFF
0
ioctl(moxa_fd, MTCRTS, TurnON);
ioctl(moxa_fd, MTCRTS, TurnOFF);
Syntax for UNIX SVR4.2
#include
<sys/stropts.h>
#include
<sys/sysmacros.h>
#define MTCRTS
0x403
#define TurnON
1
#define TurnOFF
0
struct strioctl
ioc;
int
setting;