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SECTION 9
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Extended Commands
VT220/ANSI Terminal Emulation Programmer’s Reference Guide 9-19
Return Codes for Receive Only
The Receive Only return code is the status sent to the host
computer. The wireless station returns data and the ex-
tended command’s status to the host computer in the fol-
lowing format:
\\X\CC\DATA<CR>
or
\\X\CCCC\DATA<CR>
“X” is the return code listed in the following chart.
“CC” or “CCCC” is the character count of the received data.
“CC” is 00--99. “CCCC” is 100--2000.
“DATA” is the RS-232 data received from the RS-232 device
attached to the wireless station (if any data was received).
The wireless station simulates the [Enter] key to return the
code to the host.
Code
Description
Column
0
Good status, transaction complete.
(None)
1
Not enough memory. Or, incorrect setting for speed,
number of data bits, or number of stop bits.
4, 6, 7
2
No delimiter (#) on data stream.
(None)
6
Improper return field.
(None)
7
Hexadecimal value is outside the range of 00--0F.
15--16, 19--20
8
Reserved.
(None)
9
Incorrect setting for maximum characters to receive.
13--14
A
Incorrect setting for delimiter character.
15--16
B
Incorrect setting for number of delimiter characters.
17--18
D
Incorrect setting for start character.
19--20
E
Incorrect setting for data parity.
5, 22
f/F *
Timeout.
(None)
p/P *
Data parity or framing error.
(None)
R
Syntax error from RD5500 Remote Display (not the
expected character; no character error was detected).
(None)
o/O *
Overrun of UART receive register.
(None)
*
An uppercase letter indicates an error from the RS-232 device. A lowercase
letter indicates an error from the RD5500 Remote Display.
Содержание VT220/ANSI
Страница 1: ...VT220 ANSI Terminal Emulation PROGRAMMER S REFERENCE GUIDE P N 977 047 037 Revision C July 1998...
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Страница 18: ...CONTENTS xiv VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 26: ...SECTION 1 Introduction 1 8 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 80: ...SECTION 4 RT1700 Radio Terminal 4 22 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 144: ...SECTION 8 Programming 8 8 VT220 ANSI Terminal Emulation Programmer s Reference Guide Table 8 3 C1 Control Characters...
Страница 264: ...APPENDIX A Bar Code Scanning A 4 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 276: ...INDEX Index 12 VT220 ANSI Terminal Emulation Programmer s Reference Guide...