Intermec IP2L Basic Reader Interface Programmer's Reference Manual (BRI versio - Page 57

ERASE, FACDFLT, Purpose, Syntax, Parameters, Errors, Examples

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Chapter 4 - BRI Commands ERASE Purpose: Syntax: Parameters: Errors: This command allows you to perform a block erase of EPC Gen 2 tags. The ERASE command must operate on even data lengths. ERASE [flex_query_selector][DATA FIELD][TAGTYPE=] [WHERE] [PASSWORD=] [flex_query_selector] = This parameter modifies the command for certain types of EPCC1G2 tags. For details, see "FLEXQUERY" on page 47. [DATA FIELD] = This parameter can be any data type defined in "Data Field Definitions" on page 22. For more details, see "Understanding [READ FIELD] and [WRITE FIELD] Parameters" on page 85. [TAGTYPE] = This parameter represents the type of tag that is written. [WHERE] = This parameter can be any expression defined in "Data Conditions" on page 28. [PASSWORD] = This specific keyword is used to specify a password to access the data fields that are locked. The following errors are reported by the ERASE command. Error 1: ERASEERR OK> This error indicates that hat the tag has failed to erase the data in the tag. Error 2: PVERR OK> This error indicates that the data at the specified address has been previously locked. Error 3: Examples: PWERR OK> This error only applies to EPC Global Class 1 Gen 2 tags and can be returned to any command that writes to a tag. ERASE STRING(18,5) This ERASE command erases all data at address 18 on any tags currently in the reader field. An example of the response for a single tag is written is shown below: ERASEOK OK> FACDFLT Purpose: The factory defaults are the set of attribute, macro, and trigger values defined by the manufacturer. The FACDFLT command resets all attributes, macros, and triggers to the original configuration. For a list of default values, see "Default Factory Configuration" on page 3. Basic Reader Interface Programmer Reference Manual 45

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Chapter 4 — BRI Commands
Basic Reader Interface Programmer Reference Manual
45
ERASE
Purpose:
This command allows you to perform a block erase of EPC Gen 2 tags. The ERASE
command must operate on even data lengths.
Syntax:
ERASE [flex_query_selector][DATA FIELD][TAGTYPE=<tagtype_list>]
[WHERE<data_condition>] [PASSWORD=<“access_password”>]
Parameters:
[flex_query_selector] = This parameter modifies the command for certain types of
EPCC1G2 tags. For details, see
“FLEXQUERY” on page 47
.
[DATA FIELD] = This parameter can be any data type defined in
“Data Field
Definitions” on page 22
. For more details, see
“Understanding [READ FIELD]
and [WRITE FIELD] Parameters” on page 85
.
[TAGTYPE] = This parameter represents the type of tag that is written.
[WHERE] = This parameter can be any expression defined in
“Data Conditions”
on page 28
.
[PASSWORD] = This specific keyword is used to specify a password to access the
data fields that are locked.
Errors:
The following errors are reported by the ERASE command.
Error 1:
ERASEERR<CRLF>
OK><CRLF>
This error indicates that hat the tag has failed to erase the data in the tag.
Error 2:
PVERR<CRLF>
OK><CRLF>
This error indicates that the data at the specified address has been previously locked.
Error 3:
PWERR<CRLF>
OK><CRLF>
This error only applies to EPC Global Class 1 Gen 2 tags and can be returned to any
command that writes to a tag.
Examples:
ERASE STRING(18,5)
This ERASE command erases all data at address 18 on any tags currently in the
reader field. An example of the response for a single tag is written is shown below:
ERASEOK<CRLF>
OK><CRLF>
FACDFLT
Purpose:
The factory defaults are the set of attribute, macro, and trigger values defined by the
manufacturer. The FACDFLT command resets all attributes, macros, and triggers to
the original configuration. For a list of default values, see
“Default Factory
Configuration” on page 3
.