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Clear com – Remote Processing CAMBASIC User Manual

Page 50

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Comm ands - 17

CLEAR COM$

Process Statement

SYNTAX:

CLE AR CO M$ n

PURPOSE:

To reset a serial port input buffer to the power– up condition.

REMARK S:

Executing this statement will clear the serial input buffer specified by n.

n = legal serial port number.

The input buffer parameter s are reset. Any previous CON FIG C OM$ and O N CO M$ comm ands
will be canceled.

This statement does not clear serial output buffers.

See the Multitasking Chapter for more information.

RELATED:

C O M $, C O N F IG C O M $, O N C O M$

EXAMPLE:

The following clears the primary serial port input buffer:

10 CLEAR COM$ 1

ERROR:

< Data negative> – for n
< Data out of range> – if n is not a legal serial port number