Moxa Technologies INTELLIO C218 Bedienungsanleitung PDF herunterladen (Seite 73)

Serial Programming Tools

Intellio C218Turbo User's Manual 4-19

sio_write(port, buff, 10); /* Write 10 byte characters in "buff".

The function blocks until last

character transmitted */

sio_RTS(port, 0); /* Turn off RTS signal. The RS-485

port is ready for receiving data. */

sio_read(port, buff, 10); /* Read 10 bytes */

Solution 2

There is a dedicated RS-458 function in PComm or API-232 library. It

integrates the above functions of solution 1 regarding sending data as one.

sio_putb_x(port, buff, tick ); /* 1. Turn on RTS and ready for

transmitting data.

2. Send data.

3. Wait for tick time.

4. Turn off RTS and ready for

receiving data. */

For more information on these functions, please refer to PComm library on-line Help

file for Windows NT and Windows 95/98 or API-232.txt file for DOS, respectively.

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Moxa Technologies INTELLIO C218 Bedienungsanleitung Seite 73