Setup Guide

"X" – eXtra Data Read and Write Descriptor Control
// Bank:1, WordPntr:02, Len:03,
// Data:AABBCCDDEEFF
READY>xw011302AABBCCDDEEFF
WRDESCRIPTOR=0
ACTIVE=1
BANK=1
LEN=3
PNTR=02
WRITEDATA=AABBCCDDEEFF
// Read the tag again
// (automatically performs the write).
READY>t51
STARTINVENTORY
TAG=3000E2003411B802011029356733
XRD0=SUCCESS
STOPINVENTORY 0x005E EPCCOUNT=1
// Read again and we see the new EPC
READY>t51
STARTINVENTORY
TAG=3000AABBCCDDEEFF011029356733
XRD0=SUCCESS
STOPINVENTORY 0x003C EPCCOUNT=1
Using LOOPCOUNT to Retry Writes
You can use a T6 inventory command with LOOPCOUNT of 0xA (10 loops) to perform a write. The WRITE success operation is
given when all data matches the requested write field. Once the data matches all XWR messages will indicate success with no
further actual write attempts.
Any XREAD or XWRITE that does not complete successfully returns an error code. Some portion of a WRITE operation may
complete and still return an error code, if multiple word writes are requested. Also note that in the case of a WRITE, an error code
is generated if the ASYNC response from the tag is improperly decoded, although the WRITE may have actually worked.
READY>xw0114021111222233334444
WRDESCRIPTOR=0
ACTIVE=1
BANK=1
LEN=4
PNTR=02
WRITEDATA=1111222233334444
READY>t610
STARTINVENTORY
// First inventory loop
TAG=3000AAAABBBBCCCC011029356742 919750 07 C E Q CB2D
XRD0=SUCCESS
// Next loop shows new id.
TAG=3000111122223333444429356742 919750 05 C E I CB83
XRD0=SUCCESS
TAG=3000111122223333444429356742 919750 00 C E I CBC5
XRD0=SUCCESS
TAG=3000111122223333444429356742 919750 07 C E I CBE4
XRD0=SUCCESS
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