Avery Dennison 6035 Programmer Manual Rev.CA 6/01 User Manual

Page 84

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Function Reference 4-43

s c n C l o s e S c a n n e r

Description

Disables either scanner. Be sure to disable the scanner only
when it is already enabled.

If the application enabled the scanner with scnOpenScanner,

♦

the application should disable the scanner at the end of
processing or immediately before any serial communications.

♦

this function sets the serial communications port back to
external RS-232 connection mode. It also restores the serial
port configuration settings (baud rate, parity, data bits, and
stop bits) saved when the application enabled the scanner.

Syntax

short far scnCloseScanner(void);

Parameters

None

Return Values

0

Successful.

-1

The scanner was already disabled.


Example

#include <stdio.h>

#include "mmsultra.h"

void main(void)

{

short sStatus = 0;

// Command calls status

sStatus = scnOpenScanner();

// Enable scanner

if (sStatus == -2)

printf("Scanner error-- %d", sStatus);

else

{

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