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Intermec IF2 Basic Reader Interface Programmer's Reference Manual (BRI version - Page 105

LBTSCANENABLE, LOCKTRIES, NOTAGRPT, Conventions Used in This Manual

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Chapter 4 - BRI Commands LBTSCANENABLE LBT scanning is enabled, by default in ETSI 10 Channel mode in accordance with 302-208. Note: LBT scanning is permanently disabled in ETSI 4 channel mode in accordance with 302-208 v1.2.1. When LBT scanning is enabled, the algorithm scans the available ETSI 302-208 channels for a free transmit channel. In continuous read mode, the scan sequence begins with the channel specified by LBTCHANNEL and every third channel is checked (for example, 8, 11, 4, 7, 10, 13, 6, 9, 12, 5) until a free channel is found. If a free channel is not found, LBT repeats the scan sequence. In single-shot read mode, LBT scanning goes through all available channels at once. If no free channel is found, the reader will report "NOTAG" and abort the inventory operation. When LBT scanning is disabled, the reader does not scan for a free transmit channel, and the transmit channel is set by the LBTCHANNEL BRI attribute. The valid values in 4 channel mode are 4, 7, 10, 13. If LBTSCANENABLE is set to ON, the LBT algorithm will find a free channel from the 10 allowed. If LBTSCANENABLE is set to OFF, the transmit channel will be set by the attribute LBTCHANNEL. LOCKTRIES NOTAGRPT Sets the number of times the lock algorithm is executed before a response is returned to a LOCK command. Range is 1 to 254. Default is 3. This example tells the RFID reader lock algorithm to execute up to two times in order to lock data on the specified tags: ATTRIB LOCKTRIES=2 Allows the BRI to send a NOTAG message to notify you when no tags were found to operate on. You can set this attribute to ON or OFF. Default is OFF. This example enables NOTAGRPT, so that the NOTAG message is sent: ATTRIBUTE NOTAGRPT=ON This example disables NOTAGRPT, so that no message is sent: ATTRIBUTE NOTAGRPT=OFF Note: By default, NOTAGRPT is disabled. However, the examples in this manual assume that the NOTAGRPT attribute is enabled. For details about other assumptions, see "Conventions Used in This Manual" on page 5. Basic Reader Interface Programmer Reference Manual 93

Section	Page
Before You Begin	11
Safety Information	11
Global Services and Support	11
Warranty Information	11
Web Support	11
Send Feedback	11
Telephone Support	12
Who Should Read This Manual	12
Related Documents	12
Chapter 1 - Introducing the Basic Reader Interface	13
Overview of the Basic Reader Interface	14
What’s New?	14
General Features of the BRI Architecture	14
Two Typical BRI Usage Scenarios	14
BRI TCP Applications	15
Choosing a TCP Port for an Application Using TCP	15
Resetting the Reader to the Factory Default Configuration	15
Identifying the Version of BRI on Your Reader	16
Conventions Used in This Manual	17
Chapter 2 - Designing Robust BRI Applications	19
Before You Begin Programming	20
Managing RFID Configuration	20
Using the RFID Resource Kit	21
Recommended Software Structure	21
Programming the BRI Message Layer	23
BRI Message Types	23
BRI Command Processor	24
BRI Asynchronous Event Handler	24
Response Handler	24
Programming the BRI Transport Layer	24
Transport Operation	24
Transport Initialization	25
Multi-Threaded Implementation	25
Chapter 3 - Understanding BRI Programming Elements	27
BRI Logical Interface	28
Using Message Checksums	28
Reserved Keywords	29
Keywords Reserved for BRI Commands	29
Keywords Reserved for Command Parameters	30
Keywords Reserved for Reader Attributes	32
Keywords Reserved for Reader Error and Success Responses	33
Constants	34
Data Field Definitions	34
ANTENNA	34
AFI	35
BIT(memory_bank:startbit, bits)	35
COUNT	35
EPCID	35
HEX(memory_bank:address, length)	36
INT(memory_bank:address, length)	37
ISOUII	38
PC	39
RSSI	39
STRING(memory_bank:address, length)	39
TAGTYPE	40
TIME	40
Data Conditions	40
Using Native Tag Selector Logic in Data Conditions	41
Using AND/OR Logic in Data Conditions	42
Using the AND and OR Keywords	43
Grouping Expressions Without Using Parentheses	44
Using EPCC1G2 Select Logic in Data Conditions	45
Multi-Protocol Condition Usage	46
Chapter 4 - BRI Commands	47
BRI Commands	48
ATTRIBUTE	48
Changing the Reader Attributes	48
Reading the Reader Attributes	50
BLOCKPERMALOCK	50
BLOCKPERMALOCK READ	52
BRIVER	52
CAPABILITIES	53
DIAGNOSTICS	56
ERASE	57
FACDFLT	57
FLEXQUERY	59
HELP	59
HWCC	60
HWID	60
HWPROD	60
HWREGION	60
HWVER	61
KILLTAG	62
LOCK	62
PING	63
PLATDFLT	63
PRESET	64
PRINT	64
PROTECT	64
READ	66
READGPI	72
REPEAT	72
RESET	73
SET	74
SWVER	75
TRIGGER	75
TRIGGERQUEUE	78
TRIGGERREADY	79
TRIGGERWAIT	80
VERSION	80
WRITE	81
WRITEGPO	85
BRI Extensions for NXP Tags	86
NXPALARM	86
NXPCONFIG	87
NXPEAS	87
NXPREADPROTECT	88
BRI Extensions for Fujitsu Tags	88
FJAREAREADLOCK	88
FJAREAWRITELOCK	88
FJAREAWRITELOCKWOPWD	89
FJBURSTERASE	89
FJBURSTWRITE	89
FJCHGAREAGROUPPWD	90
FJCHGBLOCKGROUPPWD	90
FJCHGBLOCKLOCK	91
FJCHGWORDLOCK	91
FJREADBLOCKLOCK	91
BRI Extensions for Impinj Monza 4 Tags	92
READ IMPINJQT	92
WRITE IMPINJQT	92
BRI Extensions for EM Microelectronics Tags	93
READ EMM_GETUID	93
READ EMM_GETSENSOR	93
WRITE EMM_SENDSPI	94
WRITE EMM_RESETALARMS	94
Generic Tag Access Command	94
ACCESSCMD	95
Understanding [READ FIELD] and [WRITE FIELD] Parameters	97
[READ FIELD] Examples	97
[WRITE FIELD] Examples	97
Understanding the <ATTRIBUTE NAME> Parameter	98
ANTENNAS or ANTS	98
ANTTIMEOUT	99
ANTTRIES	99
BAUD	99
BROADCASTSYNC	100
BTPWROFF	100
CHANNEL	100
CHKSUM	100
DENSEREADERMODE	101
ECHO	101
EPCC1G2PARAMETERS	101
FIELDSEP	101
FIELDSTRENGTH	102
IDREPORT	103
IDTIMEOUT	103
IDTRIES	104
INITIALQ	104
INITTRIES	104
LBTCHANNEL	104
LBTSCANENABLE	105
LOCKTRIES	105
NOTAGRPT	105
QUERYSEL	106
QUERYTARGET	106
RDTRIES	106
RPTTIMEOUT	107
SCHEDULEOPT	107
SELTRIES	108
SESSION	108
TAGTYPE	108
TIMEOUTMODE	109
TTY	109
UNSELTRIES	110
UTCTIME	110
XONXOFF	110
WRTRIES	111
Understanding the Timeouts and Tries	111
Setting IDTIMEOUT and ANTTIMEOUT	111
When IDTIMEOUT <= ANTTIMEOUT	111
When IDTIMEOUT > ANTTIMEOUT	112
Setting IDTRIES and ANTTRIES	112
When IDTRIES < ANTTRIES	112
When IDTRIES >= ANTTRIES	113
Setting INITTRIES	114
Understanding the [LITERAL] Parameter	115
Reading and Writing STRING Fields	115
Understanding ACCESS and KILL Passwords	116
Memory Bank 3 User Memory	117
Memory Bank 2 TID Memory	118
Memory Bank 1 EPCID Memory	119
Memory Bank 0 PASSWORD Memory	120
Understanding Error and Success Responses	121
Understanding EVENT Messages	122
Understanding the Format of BRI Command Responses	124
Creating and Using BRI Macros	125
Creating a Command Macro	126
Executing a Command Macro	126
Creating a Parameter Macro	126
Executing a Command With a Parameter Macro	127
Listing All Macros Stored in Memory	127
Displaying the Contents of a Macro	127
Deleting a Macro	127
Chapter 5 - Reader-Specific Platform Specifications	129
Reader-Specific Platform Specifications	130
ITRFxxx01 Readers	130
BRI Disabled by Default	130
Features Not Implemented	130
Buffer Sizes	130
Memory Management	131
Error Responses	131
Antennas	131
GPIO	131
Reader Attributes	131
BRI Commands	132
EVENT Responses	132
Phillips V1.19 TAG Type	132
Readers That Contain the IM5 Module	132
Buffer Sizes	132
Antennas	133
GPIO	133
Reader Attributes	133
FACDFLT Command	133
Readers That Contain the IM4 Module	133
WRITEGPI Command	133
READGPI Command	134
TRIGGER Command	134
Antennas	134
ANTENNA Data Type Definition	134
ANTENNAS or ANTS Attribute	135
Sensing an Over-Temperature Condition	135
Index	137
A	138
B	138
C	139
D	140
E	140
F	140
G	141
H	141
I	141
K	141
L	141
M	141
N	142
O	142
P	142
Q	142
R	142
S	143
T	143
U	143
V	143
W	143

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Chapter 4 — BRI Commands

Basic Reader Interface Programmer Reference Manual

LBTSCANENABLE

LBT scanning is enabled, by default in ETSI 10 Channel mode in accordance with

302-208.

When LBT scanning is enabled, the algorithm scans the available ETSI 302-208

channels for a free transmit channel.

In continuous read mode, the scan sequence begins with the channel specified by

LBTCHANNEL and every third channel is checked (for example, 8, 11, 4, 7, 10, 13, 6,

9, 12, 5) until a free channel is found. If a free channel is not found, LBT repeats the

scan sequence.

In single-shot read mode, LBT scanning goes through all available channels at once.

If no free channel is found, the reader will report “NOTAG” and abort the inventory

operation.

When LBT scanning is disabled, the reader does not scan for a free transmit channel,

and the transmit channel is set by the LBTCHANNEL BRI attribute.

The valid values in 4 channel mode are 4, 7, 10, 13.

If LBTSCANENABLE is set to ON, the LBT algorithm will find a free channel from

the 10 allowed.

If LBTSCANENABLE is set to OFF, the transmit channel will be set by the attribute

LBTCHANNEL.

LOCKTRIES

Sets the number of times the lock algorithm is executed before a response is

returned to a LOCK command. Range is 1 to 254. Default is 3.

This example tells the RFID reader lock algorithm to execute up to two times in

order to lock data on the specified tags:

ATTRIB LOCKTRIES=2<CRLF>

NOTAGRPT

Allows the BRI to send a NOTAG message to notify you when no tags were found to

operate on. You can set this attribute to ON or OFF. Default is OFF.

This example enables NOTAGRPT, so that the NOTAG message is sent:

ATTRIBUTE NOTAGRPT=ON

This example disables NOTAGRPT, so that no message is sent:

ATTRIBUTE NOTAGRPT=OFF

Note:

LBT scanning is permanently disabled in ETSI 4 channel mode in accordance

with 302-208 v1.2.1.

Note:

By default, NOTAGRPT is disabled. However, the examples in this manual

assume that the NOTAGRPT attribute is enabled. For details about other

assumptions, see

“Conventions Used in This Manual” on page 5