Specifications

Chapter 14. Statement Reference

286

Syntax:

Syntax 1 (For the direct-connect interface):

OPEN "COMn:[baud][,[parity][,[charalength][,[stop-

bit][,[RS/CS][,[timeout]]]]]] "AS [#] filenumber

Syntax 2 (For the IrDA interface):

OPEN "COMn: [baud] "AS [#] filenumber

Parameter:

baud

For the IrDA interface

115200, 57600, 38400, 19200, 9600, or 2400

For the direct-connect interface

115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200, 600, or 300

parity

N, E, or O

charalength

8 or 7

stopbit

1 or 2

RS/CS

0, 1, 2, 3 or 4

timeout

An integer numeral from 0 to 255.

0 or 1

filenumber

A numeric expression which returns a value from 1 to 16.

File I/O statement

OPEN "COM:"

Opens a communications device file.