Intermec IV7 Basic Reader Interface Programmer's Reference Manual (BRI version - Page 80

TRIGGERWAIT, VERSION, Purpose, Command Shortcut, Syntax, Parameters, Responses, Examples

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Chapter 4 - BRI Commands TRIGGERWAIT Purpose: Command Shortcut: Syntax: Parameters: Responses: Examples: This command is used by the application to transition the event queue for the reader to the READY state. The TRIGGERWAIT command is the same as the TRIGGERREADY command, and has been included to maintain backwards compatibility with previous versions of the BRI. When issued, this command enables the asynchronous reporting of the oldest trigger event in the event queue for the reader. Events are reported in the same order as they were originally queued. If you send a TRIGGERWAIT command, but no trigger event has been configured, the BRI ignores the command and returns OK>. TRIGGERW, TRIGWAIT TRIGGERWAIT [CANCEL] [CANCEL] = This reserved keyword terminates a TRIGGERWAIT command that was issued if no event has occurred yet. For details about EVENT messages, see "Understanding EVENT Messages" on page 110. These examples demonstrate how to use the TRIGGERWAIT. Example 1: In this example, the reported GPIO state 11 (8+2+1) indicates that when the trigger fired, inputs 0, 1, and 3 were all high, and input 2 was low: TRIGGERWAIT OK> EVT:TRIGGER Dock door #43 GPIO 11 Example 2: In this example, you can use this command to terminate a TRIGGERWAIT command that was issued if no event has occurred yet. TRIGGERWAIT CANCEL VERSION Purpose: Command Shortcut: Syntax: Examples: This command displays general version information about the platform and reader module. This command has no parameters. VER VERSION VERSION IM5 RFID Reader Ver 9.11 Basic Reader Interface Version 3.01 FCC 915MHz CC014 Copyright (C) 2008 Intermec Technologies Corp. OK> 68 Basic Reader Interface Programmer Reference Manual

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Chapter 4 — BRI Commands
68
Basic Reader Interface Programmer Reference Manual
TRIGGERWAIT
Purpose:
This command is used by the application to transition the event queue for the
reader to the READY state. The TRIGGERWAIT command is the same as the
TRIGGERREADY command, and has been included to maintain backwards
compatibility with previous versions of the BRI.
When issued, this command enables the asynchronous reporting of the oldest
trigger event in the event queue for the reader. Events are reported in the same order
as they were originally queued.
If you send a TRIGGERWAIT command, but no trigger event has been configured,
the BRI ignores the command and returns OK><CRLF>.
Command Shortcut:
TRIGGERW, TRIGWAIT
Syntax:
TRIGGERWAIT [CANCEL]
Parameters:
[CANCEL] = This reserved keyword terminates a TRIGGERWAIT command that
was issued if no event has occurred yet.
Responses:
For details about EVENT messages, see
“Understanding EVENT Messages” on
page 110
.
Examples:
These examples demonstrate how to use the TRIGGERWAIT.
Example 1:
In this example, the reported GPIO state 11 (8+2+1) indicates that when the trigger
fired, inputs 0, 1, and 3 were all high, and input 2 was low:
TRIGGERWAIT<CRLF>
OK><CRLF>
EVT:TRIGGER Dock door #43 GPIO 11<CRLF>
Example 2:
In this example, you can use this command to terminate a TRIGGERWAIT
command that was issued if no event has occurred yet.
TRIGGERWAIT CANCEL<CRLF>
VERSION
Purpose:
This command displays general version information about the platform and reader
module. This command has no parameters.
Command Shortcut:
VER
Syntax:
VERSION
Examples:
VERSION<CRLF>
IM5 RFID Reader Ver 9.11<CRLF>
Basic Reader Interface Version 3.01<CRLF>
FCC 915MHz CC014<CRLF>
Copyright (C) 2008 Intermec Technologies Corp.<CRLF>
OK>