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Chapter 17. Spread Spectrum Communication
(For models equipped with a spread spectrum wireless block)
421
17.3 Spread Spectrum Communica-
tions-related Statement
Syntax:
OPEN "COM3:" AS [#]filenumber
Description:
This statement opens a spread spectrum communications device file.
A spread spectrum communications device file cannot be opened with an
IrDA interface device file concurrently. If you attempt to open them con-
currently, a run-time error will occur.
A spread spectrum communications device file can be opened with a bar
code device file concurrently.
Syntax error:
Refer to Chapter 14, "Statement Reference."
Run-time errors:
OPEN "COM3:"
Open a spread spectrum communications device file
Error code
Meaning
02h
Syntax error
37h
File already open
3Ah
File number out of the range
45h
File already open (You attempted to open a spread spectrum com-
munications device file and the IrDA interface device file concur-
rently.)
401h
Failed to open a spread spectrum communications device file.
TIP
A spread spectrum communications device uses TCP/IP for reading or writing data,
unlike other communications devices. For details about programming for using TCP/
IP over a spread spectrum communications device, refer to Chapter 18, "TCP/IP."
To close a spread spectrum communications device file, use a
CLOSE
statement
listed in Chapter 14.
Содержание BHT-BASIC 100 SERIES
Страница 1: ......
Страница 161: ...153 Chapter 10 Sleep Function CONTENTS 10 1 Sleep Function 154...
Страница 163: ...155 Chapter 11 Resume Function CONTENTS 11 1 Resume Function 156...
Страница 173: ...165 Chapter 13 Backlight Function CONTENTS 13 1 Backlight Function 166...
Страница 192: ...Chapter 14 Statement Reference 184 Example OPEN master Dat AS 1 FIELD 1 20 AS bar 10 AS ky CLFILE 1 CLOSE 1...
Страница 249: ...241 Example CLOSE IF kyIn Y THEN KILL Master Dat END IF Reference Statements CLFILE...
Страница 349: ...341 Run time errors Error code Meaning 05h Parameter out of the range checktype is out of the range...
Страница 383: ...375 Run time errors Reference Error code Meaning 05h Parameter out of the range Functions LEFT LEN and RIGHT...