Moxa Technologies C360 Manual de usuario descargar pdf (Pagina 33)

For UNIX Users • • Chapter 4

2. MOBUFED

This function let user know the byte count queued in output buffer

when this function is issued.

#define MOBUFED 0x402

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

ioctl(moxa_fd, MOBUFED, &count);

3. MTCRTS

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

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

#define MTCRTS 0x403

#define TurnON 1

#define TurnOFF 0

ioctl(moxa_fd, MTCRTS, TurnON);

ioctl(moxa_fd, MTCRTS, TurnOFF);

4. MTCDTR

This function is used to DTR on or off.

#define MTCDTR 0x404

#define TurnON 1

#define TurnOFF 0

ioctl(moxa_fd, MTCDTR, TurnON);

ioctl(moxa_fd, MTCDTR, TurnOFF);

5. MSTATUS

This function is used to know the RS-232 line status(CTS/DSR/DCD).

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Moxa Technologies C360 Manual de usuario Pagina 33