Measurement-computing Analyzer488 Manual do Utilizador Página 124
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Section 4 Serial Controller
4.30
ENTER
The
ENTER
command reads data from the IEEE 488 bus.
If a device address (with optional secondary address) is specified, that device
will be addressed to talk. If no address is specified, the Analyzer488 must already be
configured to receive data, either as a result of an immediately preceding
ENTER
and
ADDRESS
command, or as a result of a
SEND
sub-command.
If time-out is enabled, a time-out error will occur if the Analyzer488 does not
receive a data byte within the time-out period.
If character count,
count
, is specified, then exactly
count
characters will be
read from the device. If
count
is not specified,
ENTER
terminates reception on
detection of the first line feed (LF) terminator character. Serial output terminators are
appended after
count
characters are read. The terminator may be overridden by
specifying a different terminator,
term
, in the
ENTER
command.
If a terminator,
term
, option is specified, all CR and LF characters in the input
data are unconditionally discarded. When the specified terminator is detected, it is
discarded and replaced with serial output terminator(s) before control is returned to
the serial host. The optional terminator applies ONLY to the
ENTER
command it is
sent with. The terminator returns to a Line Feed on subsequent
ENTER
commands.
If the
EOI
option is specified, all characters are returned to the host until the
EOI
line is detected. The character sent with
EOI
asserted is also returned followed
by the serial output terminator(s).
This command does not have a query option.
TYPE High Level Controller command
SYNTAX ENTER[addr][#count|term|EOI|;count|;term|;EOI]
addr
is an IEEE 488 bus device address.
count
is the number of characters to
ENTER
.
term
and
EOI
override the normal IEEE bus input LF terminator.
- Analyzer488 1
- User's Manual 3
- Table of Contents 10
- Introduction 13
- Section 1 Introduction 14
- Analyzer RAM Error 20
- Analyzer ROM Error 20
- Analyzer NVRAM Error 21
- Serial Controller 21
- Instrument Simulator 21
- BUS 'A' 41 ¼ 21
- Getting Started 23
- Analyzer488 Rev 1.0 24
- BUS DCL 14 • 24
- Section 2 Getting Started 25
- LOCATION MESSAGE 25
- Config Reset? No 27
- Config Reset? Yes 27
- Trigger Sequence Flow Chart 35
- Handshake 42
- Front Panel Operation 47
- Factory Config? No 48
- Config? Front Panel 48
- LOCATION 49
- Invalid Key Press 53
- Save Macro? 54
- BUS ACG00 00 56
- When Completed? Stop 61
- Data Entry Keys 73
- Save Macro? X 74
- Saving to Macro X 74
- End Saving Keys 74
- Select Key for Help 74
- Cursor Keys 75
- Record Memory Erased 78
- Reset Memory? Yes 78
- Record Memory Reset 78
- Reference Set 79
- -SEARCH 79
- Not Available 79
- +Searching 79
- Trigger Not Found 79
- Pattern Not Found 80
- Last 00000 83
- Display Intensity 32 83
- Help Scroll Speed 6 83
- Match? Nul XXXXXXX 83
- Match? XXXXXXXXXXXXX 84
- # of Matches? 00001 84
- Trig Delay? 0000000 84
- Post Count? 00000 84
- When Complete? Stop 84
- Time 0.000 mSeconds 85
- Count 00000 Bytes 85
- Rate 0.000 B/sec 85
- Display Hex Data 86
- Display Binary Data 86
- Steps Per second 03 88
- Handshaking Off 88
- LISTEN TALK 89
- Printer Stop Bits? 2 91
- Printer Parity? None 91
- Printer Ctrl? RTS/CTS 91
- Print Terms? CR 91
- Printer Address? 16 91
- Print Terms? CR 92
- EOI ATN SRQ REN IFC 93
- Section 4 Serial Controller 100
- 110
- CONTROLLER 118
- HANDSHAKE 130
- LOCAL LOCKOUT 138
- PPOLL CONFIG 146
- PPOLL DISABLE 148
- PPOLL UNCONFIG 149
- ? (PRINT) 150
- RELATIVE 156
- SET RELATIVE 164
- SET TRIGGER 165
- UNASSERT 183
- Analyst488 Software 189
- Section 5 Analyst488 Software 190
- W3 Noise 240
- W11 f(t)=Sin(wt) 244
- Front Panel Keys 251
- Serial Controller Commands 255
- Instrument Simulator Commands 259
- Analyst488 Software Menus 263
- Analyzer488 Error Messages 265
- Sample BASIC Program 267
- IEEE 488 Primer 269
- Appendix G IEEE 488 Primer 270
- IEEE 488 Bus Structure 271
- Figure 4.1 271
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