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MPR Serial Communication Protocol

1. FROM_ TO__ MSG Example ACK RESPONSE Example Host Reader NN 20 6F MemoryBank 00 or FF WordAddress1 06 FF GE 00 xx xx WordAddress2 WordCount 06 FF GE 10 xx xx DataWords TryTimes xx xx 06 FF 6F 80 xx xx 06 FF 6F FF xx xx This command provides the ability to write data starting at the specified word position within the specified memory bank of an ePC Class 1 Gen 2 tag Every write should be at least one or more 16 bit word s Packet length is therefore dependent on how many words are to be written NN 1 byte packet length value depending on how many data words are to be written i e NN 10 2 WordCount MemoryBank 1 byte specification of whether the Write occurs in Reserved 0x00 EPC 0x01 TID 0x02 or User Memory 0x03 WordAddress1 Higher order byte for the integer valued word address value 0x00 OxFF 0x00 if the integer value does not exceed 255 WordAddress2 Lower order byte for the integer valued word address value 0x00 OxFF WordCount 1 byte specification of the number of 16 bit words to be written If WordCount 0x01 the tag shall write a single data word DataWords the 16 bit words to be written and shall be 16xWordCount bits in length TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 OxFF Repeat until write success or counter reaches the specified number of tries Example Command 3A 20 6F 03 00 00 18 11 22 33 44 55 66 77 88 11 22 33 44 55
2. Number Example Command ACK Response 1 or 2 for MPR 20x0BR or MPR 19x0 1 4 for MPR 1914 06 00 OD 02 xx xx to select Antenna 2 00 Command accepted for execution FF Command received in error 06 FF OD 00 xx xx selection made successfully 06 FF OD 10 xx xx selection failed e g antenna not configured By default the reader has Antenna Switch disabled and Antenna 1 selected APPLIED wirELessip Confidential Page 19 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Status 0x0E FROM TO MSG Example ACK RESPONSE Example Host Reader 05 00 OE xx xx 00 or FF 11 00 OE 01 05 01 02 02 02 02 10 C8 DC C8 DC xx xx This command is issued to retrieve the Status of Antennas of an MPR 19x4 based unit See below for definition of status data1 Example Command 05 00 OE xx xx Response 11 00 0E 01 05 01 02 02 02 02 10 C8 DC C8 DC xx xx Where 01 05 01 02 02 02 02 05 05 05 05 10 C8 DC C8 DC FF FF FF FF Status Byte 1 Switching On Off 0x00 Off 0x01 On Byte 2 Current Antenna 0x01 0x04 ID of current Antenna Byte 3 Number of enabled Antennas 0x00 0x04 Byte 4 7 Switching Rate for each of the 4 Antennas Byte 8 Bit Status Value for each of the 4 Antennas Bit 0 7 Status of Antenna 1 4 0 Disabled not connected 1 Enabled Byte 9 12 antenna RF Power Level settings 1 Note that information on enabled dis
3. TryTimes 0x00 Repeat until operation completes or user sends a STOP command 0x00 0x01 OxFF Repeat until operation completes or counter reaches the specified number of tries Example Command OD 20 9D 11 22 33 44 01 00 01 20 XX XX Where 11 22 33 44 access code 01 to apply Read operation 00 to begin at block 0 01 to end at block 15 20 tries ACK 00 Command accepted for execution FF Command received in error Response 07 20 9D YY YY xx xx Where YY YY contains the permalock values for the blocks in request Or 06 FF 9D 80 XX XX Operation Time Out Command OF 20 9D 11 22 33 44 01 00 01 60 00 50 XX XX Where 11 22 33 44 access code 01 to apply PermaLock operation 00 to begin at block 0 01 to end at block 15 60 00 LockMask for bit pattern as follows Bit 1 0 gt Block 0 no change APPLIED wirELessip Confidential Page 76 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Bit 2 1 gt Block 1 PermaLocked Bit 3 1 gt Block 2 PermaLocked Bit 4 0 gt Block 3 no change Bit 5 0 gt Block 4 no change Bit 6 0 gt Block 5 no change Bit 7 0 gt Block 6 no change Bit 8 0 gt Block 7 no change Bit 9 0 gt Block 8 no change Bit 10 0 gt Block 9 no change Bit 11 0 gt Block 10 no change Bit 12 0 gt Block 11 no change Bit 13 0 gt Block 12 no change Bit 14 0 gt Block 13 no change Bit
4. Write Success 06 FF 03 FF XX XX Write Fail It should be noted that though writing ePC Number of longer than 96 bits is supported through use of Write Memory commands 0x5F 0x8F tag D specific commands such as Write ID 0x03 Lock ID 0x05 etc only allows either 64 bit or 96 bit ePC Numbers to be specified The latter is also true for performance sensitive tag read commands such as Portal IDs Read Single Tag ID with TimeOut Single Tag Meter etc APPLIED wirELessip Confidential Page 44 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 b Number of Tries is 0x01 OxFF 06 FF 03 00 XX XX Write Success 06 FF 03 10 XX XX Write Fail Or 06 FF 03 80 XX XX Counter reaches value of TryTimes APPLIED wirELessip Confidential Page 45 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Lock ID 0x05 FROM TO MSG Example ACK RESPONSE Example Host Reader OA 20 05 AccessCode 00 or FF TryTimes xx xx 06 FF 05 00 xx xx 06 FF 05 10 xx xx 06 FF 05 80 xx xx 06 FF 05 FF xx xx This command provides the ability to Lock ID of an ePC Class 1 Gen 2 tag in the reading field with an Access Code defined through a previous Write Access Code command 2F AccessCode 4 bytes Hex data TryTimes 0x00 Repeat until lock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until lock completes or counter reaches the specified number of tries Ex
5. following Ack Response s issue a or two Stop 00 informing reader to stop reporting tag reads send another RF Power Level setting command for a different value if deemed necessary and then issue an EPC C1 Gen 2 Single Tag Meter command 05 20 11 xx xx Stop Write ISO 18000 6B Block Data etc Basically one is able to program the following for while connected to an MPR device begin loop ISO B multitagID 07 11 1E 00 00 xx xx wait 500ms handling ISO B tag read response s STOP 00 ISO C multitagID 07 20 1E 00 00 xx xx wait 500ms handling ISO C tag read response s STOP 00 end loop 58 can be verified for its healthy state by issuing a Stop APPLIED wirELessip Confidential Page 93 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 6 4 Note on Sensitivity Level Control Command 0x07 The SensitivityLevel parameter in this command refers to an indexing range value Internally the reader uses 8 indices 3 6 9 12 15 18 21 and 24 and value specified for SensitivityLevel in issuing the command results in its actual setting assigned by reader as shown below User Setting x Actual Setting x lt 3 3 3 lt x lt 6 3 6 lt x lt 9 6 9 lt x lt 12 9 12 lt x lt 15 12 15 lt x lt 18 15 18 lt x lt 21 18 21 lt x lt 24 21 x gt 24 24 APPLIED wireLessiov Confidential Page 94 of 94 9 11 2013
6. Response 102076 YY YY YY YY YY YY YY YY YY YY YY YY XX XX Where YY YY YY YY YY YY YY YY YY YY YY YY contains the permalock values for the blocks in request Or 06 FF 76 80 XX XX Operation Time Out Command 17 20 76 02 04 01 20 10 00 10 01 11 22 33 44 01 00 01 60 00 50 XX XX Where 17 packet length 20 protocol 76 command 02 04 fixed value 01 MemoryBank for EPC appuED wireLess in Confidential Page 83 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 ACK Response 20 Starting bit position in EPC bank 10 Mask Length of 16 bits 00 10 Mask value for bit mask 0000000000010000 01 fixed value 11 22 33 44 access code 01 to apply PermaLock operation 00 to begin at block 0 01 to end at block 15 60 00 LockMask for bit pattern as follows Bit 1 0 gt Block 0 no change Bit 2 1 gt Block 1 PermaLocked Bit 3 1 gt Block 2 PermaLocked Bit 4 0 gt Block 3 no change Bit 5 0 gt Block 4 no change Bit 6 0 gt Block 5 no change Bit 7 0 gt Block 6 no change Bit 8 0 gt Block 7 no change Bit 9 0 gt Block 8 no change Bit 10 0 gt Block 9 no change Bit 11 0 gt Block 10 no change Bit 12 0 gt Block 11 no change Bit 13 0 gt Block 12 no change Bit 14 0 gt Block 13 no change Bit 15 0 gt Block 14 no change Bit 16 0 gt Block 15 no change 50 tries 00 Command acc
7. 06 FF 8F F7 xx xx Inconsistent DataWords i e length not matching WordCount It should be noted that when writing in MemoryBank 01 EPC start writing at WordID 02 since 00 and 01 are used by tag CRC and PC and had better not be overwritten AL VID Confidential Page 88 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 6 Temperature Monitor Status Messages This section describes those temperature related statuses that are reported by reader after user enables reporting via system command 0x43 for controlling applications to take proper actions Warning Notification 0x70 EROM TO MSG Example Reader Host 06 FF 00 70 xx xx This warning notification is sent by the reader when system temperature reaches or exceeds a threshold value a system default or previously specified by user via 0x43 The notification is sent approximately every minute when the temperature reaches reporting threshold The host should then take steps e g issue the Stop command to prevent the module from being damaged due to high heat APPLIED wirELessip Confidential Page 89 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 System Halt Notification 0x7F EROM TO MSG Example Reader Host 06 FF 00 7F xx xx This system halt notification is sent by the reader when system temperature exceeds 90 degrees Celcius The system will automatically turn off
8. FF Command received error Response 06 FF OF Status xx xx Where Status 00 Write Success 10 or FF Write Fail 80 No response from Tag 19 Actual write able area starts at 0x08 past Tag ID bytes that re read only APPLIED wireLessio Confidential Page 35 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Single Tag Meter 0x11 I FROM TO___ MSGExample _____ ACK RESPONSE Example Host Reader 121111000000 00 00 or FF 00 00 00 00 00 00 00 OE 11 11 01 A8 E5 8F 80 B8 2B FO xx xx 40 09 20 xx xx This command provides the ability to read and count the number of times which single ISO 18000 6 Type B tag has been read in 300ms duration in the reading field Example Command 1211 11 00 00 00 00 00 00 00 00 00 00 00 2B FO xx xx ACK 00 Command received correct FF Command received error Response OE 11 11 01 A8 E5 8F 80 B8 40 09 20 xx xx Where 01 A8 E5 8F 80 B8 40 09 Tag ID 20 Number of Reads in 300ms period of the same tag reading until other tags detected before 300ms period ends This command will repeat until user sends a STOP command 0x00 APPLIED wirELessip Confidential Page 36 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Portal IDs 0x1E I FROM TO MSG Example ACK RESPONSE Example Host Reader 07 11 1E TimeOut 00 or FF Repeat xx xx OD 11 1E 01 A8 E5 8F 80 B8 40 09 xx xx or 06 FF 1E 80 xx xx
9. Timed Out when there is no good data obtained upon expiration of 400 ms APPLIED wirELessip Confidential Page 59 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Kill Code 0x1F FROM TO MSG Example ACK RESPONSE Example Host Reader 0A 20 1F KillCode 00 or FF TryTimes xx xx 06 FF 1F 00 xx xx 06 FF 1F 10 xx xx 06 FF 1F FF xx xx 06 FF 1F 80 xx xx This command provides the ability to define a Kill Code for subsequent executions of the Kill Tag command 06 for ePC C1 Gen 2 tags KillCode 4 byte hex data TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 0xFF Repeat until write success or counter reaches the specified number of tries Example Command OA 20 1F 01 02 03 04 00 xx xx Where 01 02 03 04 Kill Code 00 TryTimes ACK 00 Command received correct FF Command received error Response 06 FF 1F 00 XX XX Write Success 06 FF 1F 10 XX XX or 06 FF 1F FF XX XX Write Fail 06 FF 1F 80 XX XX Write Time Out when TryTimes is 0x01 0xFF 38 An initial Kill Code of all zero s on a tag cannot effectively kill a tag APPLIED wirELessip Confidential Page 60 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Lock Memory 0x25 FROM TO MSG Example _ACK RESPONSE Example Host Reader 0B 20 25 AccessCode 00 or FF MemoryLocation 06 FF 25 00 xx xx TryTimes xx xx 06 FF 25 10 xx xx 06
10. 0 No Good ANT3 ANT4 bits 2 3 applicable only to MPR 1914 example here shows 1 and 2 antennas being Good ba Typically Good for when the numbered antenna is properly connected No Good otherwise APPLIED wirELessip Confidential Page 21 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 RF Power Level Control 0x12 FROM TO MSG Example ACK RESPONSE Example Host Reader 06 00 12 Index xx xx 00 or FF This is the command to control reader s RF Power Level The reader has an adjustable Output Power range of 20 dB The Index for Output Attenuation in this command is a one byte value ranging from 0x00 to OxFF that can be specified for the adjustment control The Output Power decreases when the Index value increases All subsequent tag Read Write operations will use this setting until re set Example Command 06 00 12 00 xx xx Maximum Output Power 06 00 12 FF xx xx Minimum Output Power ACK 00 Command received correct FF Command received error Response No 13 Thus a value of zero 0 means no attenuation yielding maximum output power and 255 is maximum attenuation for minimum output power 14 If a Write RF Power Level has never been set APPLIED wirELessip Confidential Page 22 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Portal IDs Filter 0x13 FROM TO MSG Example ACK RESPO
11. 06 FF 06 00 XX XX Kill Success 06 FF 06 10 XX XX or 06 FF 06 FF XX XX Kill Fail 06 FF 06 80 XX XX Kill Time Out when TryTimes is 0x01 OxFF 23 The tag becomes unusable afterwards APPLIED wirELessip Confidential Page 47 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Sensitivity Control 0x07 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 07 20 07 00 00 or FF SensitivityLevel xx xx This is the command used to set Sensitivity Level see 6 4 for more information for the selected protocol ePC Class1 Gen 2 This sensitivity control allows for increasing or decreasing the Receiver detection threshold to enhance sensitivity more susceptible to ambient noise or to decrease sensitivity with improved noise immunity Example Command 07 20 07 00 FF xx xx maximum sensitivity 07 20 07 00 00 xx xx minimum sensitivity ACK 00 Command received correct FF Command received error Response No This receiver uses quadrature UO channels UO sensitivity is the detection threshold for each Once issued the command causes sensitivity levels for both channels to be set It should be noted that changing to other value from system default for this setting is unnecessary for tag reading operations though sometimes useful in a printer application APPLIED wirELessip Confidential Page 48 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 20
12. 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 1 Purpose and Scope This document describes the serial RS232 communication protocol for communications among and between AWID s Multi Protocol RFID MPR reading devices and other HOST systems and equipment Applicable devices are the latest MPR 19xx module and complete reader embedding the module with antenna in same housing and connector for optional external antenna A HOST system for purposes of this specification could be a personal computer a POS system or a data collector AWID MPR device reads tags of protocols types listed below Commands for each of these protocols are further described in later sections e ISO 18000 6 Type B U Code HSL e ISO 18000 6 Type C e EPC Class 1 Gen 2 The device handles one command a time applications can be developed to issue a sequence of commands of different categories system tag read write etc with each command following receipt of response from the previous command See 6 3 for a simple scenario 1 1 Definitions and Acronyms DEET EE Radio Frequency IDentification uer Multi Protocol RFID RCSP AWID s RFID Common Serial Protocol POS Point Of Sale 1 HW version 2 01 as of initial draft of this document MPR 2010BR MPR 2080BU etc For protocols used in testing for FCC certification refer to Installation amp Operation Manual for each of the readers modules
13. FF 25 80 xx xx 06 FF 25 FF xx xx This command provides the ability to Lock Memory of an ePC Class 1 Gen 2 tag in the reading field at memory location as specified Access Code is one defined through a previous Write Access Code command 2F AccessCode 4 bytes Hex data MemoryLocation 1 byte number 0x00 0x04 for identifying memory bank data to lock at 0x00 Kill Code bank 0 0x01 Access Code bank OT 0x02 EPC Data bank 1 0x03 TID bank 2 0x04 User Data bank 3 TryTimes 0x00 Repeat until lock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until lock completes or counter reaches the specified number of tries Example Command OB 20 25 11 22 33 44 03 14 XX XX Where 11 22 33 44 access code 03 memory bank 14 tries ACK 00 Command accepted for execution FF Command received error Response 06 FF 25 00 XX XX Complete 3 Once data area where Kill Code or Access Code reside is locked data in bank 0 cannot be read until both get unlocked 38 Status value of 0 indicates completion of execution of the lock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully locked Any of the other status values was mostly caused by a failed communication with the tag APPLIED wirELessip Confidential Page 61 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 06 FF 25 10 XX XX or 06 FF 25 FF XX XX
14. IDS E 37 Write Block Orl EE 39 Read N Blocks Data RD 40 appuED wireLess in Confidential Page 2 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write B lk D ta TOOL E 42 5 4 EPC CLASS 1 GENERATION 2 COMMAND US20O 43 Read Single Tag ID 0x00 iii 43 EE 44 Loek ID 0X0 E 46 Kill Tag cla 47 Sensitivity Control aaa 48 Write User PE AT 51 Read Single Tag ID with Time Out 0410 liana i 53 Smele Tas Meter EG 54 Unlock ID RE 55 Re d Memory OXID EE 56 EL 58 Write Kill Code 0X1 e RE ART 60 L ck Mem ry E 61 Iodice 63 Unlock Memory 0x35 pian ei 64 Permanent Lock Memory 0x55 ciccia iii 65 Write Memory OXF NEE 67 E EE 69 Read High Capacity Memory ONGD sic sieswcscssseiuesisinnsnervestarsiessaesiavciuieinceieneaventesiies 71 Write High Capacity Memory ok 73 PermaLock User Data DL estate gege gheet 75 5 5 EPC CLASS 1 GEN 2 COMMANDS WITH PRE SELECTION inn 78 Lock Memory with Mask 0x75 irc 79 PermaLock User Data with Mask 070 81 Read Memory with Mask 0x7D at ge erageet 85 Write Memory with Mask Ov b E 87 5 6 TEMPERATURE MONITOR STATUS MESSAGES iii 89 Warning EE 89 System Halt Notification Eet EE 90 6 APPENDIX eegene indire 91 6 1 DE 91 6 2 MESSAGES RESPONSES eseu geseet 93 6 3 SIMPLE MULTI PROTOCOL RFID APPLICATION SCENARIO e 93 6 4 NOTE ON SENSITIVITY LEVEL CONTROL COMMAND 0X07 94 AP
15. Lock Fail 06 FF 25 80 XX XX Lock Time Out when TryTimes is 0x01 OxFF APPLIED wirELessip Confidential Page 62 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Access Code 0x2F FROM TO MSG Example ACK RESPONSE Example Host Reader OA 20 2F AccessCode 00 or FF TryTimes xx xx 06 FF 2F 00 xx xx 06 FF 2F 10 xx xx 06 FF 2F FF xx xx 06 FF 2F 80 xx xx This command provides the ability to define an Access Code for subsequent executions of Lock and Unlock commands for ePC C1 Gen 2 tags AccessCode 4 byte hex data TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 OxFF Repeat until write success or counter reaches the specified number of tries Example Command OA 20 2F 01 02 03 04 00 xx xx Where 01 02 03 04 Access Code 00 TryTimes ACK 00 Command received correct FF Command received error Response 06 FF 2F 00 XX XX Write Success 06 FF 2F 10 XX XX or 06 FF 2F FF XX XX Write Fail 06 FF 2F 80 XX XX Write Time Out when TryTimes is 0x01 OxFF An initial Access Code of all zero s cannot effectively Lock or Unlock a tag appuED wireLess in Confidential Page 63 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Unlock Memory 0x35 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader OB 20 35 AccessCode 00 or FF MemoryLocation 06 FF 35 00 xx xx TryTimes xx xx 06 F
16. Memory 0x55 FROM TO MSGExample___ ACK RESPONSE Example Host Reader OB 20 55 AccessCode 00 or FF MemoryLocation 06 FF 55 00 xx xx TryTimes xx xx 06 FF 55 10 xx xx 06 FF 55 80 xx xx 06 FF 55 FF xx xx This command provides the ability to Permanently Lock Memory of an ePC Class 1 Gen 2 tag in reading field at memory location as specified Access Code is one defined through a previous Write Access Code command 2F AccessCode 4 bytes Hex data MemoryLocation 1 byte number 0x00 0x04 for identifying memory bank data to lock at 0x00 Kill Code bank 0 0x01 Access Code bank 0 0x02 EPC Data bank 1 0x03 TID bank 2 0x04 User Data bank 3 TryTimes 0x00 Repeat until lock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until lock completes or counter reaches the specified number of tries Example Command 0B 20 55 11 22 33 44 03 14 XX XX Where 11 22 33 44 access code 03 memory bank 14 tries ACK 00 Command accepted for execution FF Command received error Response 06 FF 55 00 XX XX Complete 4 Once data area where Kill Code or Access Code reside is locked data in bank 0 cannot be read until both get unlocked Status value of 0 indicates completion of execution of the lock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully locked Any of the other status values was mostly caused by a
17. a multi reader environment TimeOut 0x00 continuously execute command until user sends STOP command 0x00 0x01 OxFF execute command until this value times 100ms expires Repeat 0x00 continuous returning of tag ID data Example Command ACK Response 0x01 OxFE returning of unique tag ID data will be repeated every interval of 100 ms multiplied by this value meaningful only if filtering is in effect a 07 20 1E 00 00 XX XX b 07 20 1E 04 03 XX XX Where 04 command should stop after 4 100 ms 03 unique tag ID data will be returned every 3 100 ms if filtering is in effect 00 Command received correct FF Command received error a TimeOut is 00 15 20 1E 30 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy xx xx repeated every 300 ms Where 00 01 08 15 80 00 80 04 28 19 53 88 ePC number 30 00 preceding ePC number protocol code yy yy tag CRC bytes APPLIED wirELessip Confidential Page 58 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 This command will repeat until user sends a STOP command 0x00 b TimeOut is 0x01 0xFF b 1 15 20 1E 30 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy xx xx repeated every 300 ms Where 00 01 08 15 80 00 80 04 28 19 53 88 ePC number 30 00 preceding ePC number protocol code yy yy tag CRC bytes and 06 FF 1E 80 xx xx execution stops when 400 ms is up or b 2 06 FF 1E 80 xx xx
18. command should be issued as 05 00 05 xx xx where 05 in the 1st byte denotes the total bytes in packet 00 in the 2nd byte the command s type system 05 in the 3rd byte the command id The final 2 bytes are placeholders for CRC See section 5 1 for command details 4 2 Checksum Algorithm The checksum is calculated as follows Transmit Link CRC Definition CRC Type Length Polynomial Preset Residue CCITT 16 16 bits 2 bytes 0x1021 OxFFFF 0 Receive Link CRC Definition CRC Type Length Polynomial Preset Residue CCITT 16 16 bits 2 bytes 0x1021 OxFFFF OxFFFF APPLIED wirELessip Confidential Page 8 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 The user can use the same routine to do the CRC generate and check The result for received packet check should be OxFFFF when input the whole received packet Example C program for transmit EEN unsigned int CRC_Check unsigned char ary unsigned char len unsigned int crc unsigned char i j crc OxFFFF for i 0 i lt len i ary crc unsigned int ary lt lt 8 crc for j 0 j lt 8 j if crc amp 0x8000 crc cre lt lt 1 0x1021 else cre lt lt 1 return crc OxFFFF li kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Example Forward packet IN 0x05 0x00 0x00 Out 0xD8 0x93 Received p
19. failed communication with the tag APPLIED wirELessip Confidential Page 65 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 06 FF 55 10 XX XX or 06 FF 55 FF XX XX Lock Fail 06 FF 55 80 XX XX Lock Time Out when TryTimes is 0x01 OxFF APPLIED wirELessip Confidential Page 66 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Memory 0x5F FROM TO MSG Example ACK RESPONSE Example __ Host Reader NN 20 5F MemoryBank 00 or FF WordID WordCount 06 FF 5F 00 xx xx DataWords TryTimes 06 FF 5F 10 xx xx XX XX 06 FF 5F 80 xx xx 06 FF 5F FF xx xx This command provides the ability to write data starting at the specified word position within the specified memory bank of an ePC Class 1 Gen 2 tag The command is issued to write at least one or more 16 bit word s Packet length is therefore dependent on how many words are to be written NN 1 byte packet length value depending on how many data words are to be written i e NN 9 2 WordCount MemoryBank 1 byte specification of whether the Write occurs in Reserved 0x00 EPC 0x01 TID 0x02 or User Memory 0x03 WordlD 1 byte word number identifying position or address within memory bank to start writing at 0 denotes 1 word WordCount 1 byte specification of the number of 16 bit words to be written If WordCount 0x01 the tag shall write a single data word DataWords the 16 bit words to b
20. of 6 bits FC Mask value for bit mask of 111111 01 fixed value 08 08 08 08 Access Code 02 Lock action 04 TimeOut Or 11 20 75 02 04 01 20 00 01 08 08 08 08 02 04 XX XX Where 11 packet length 20 protocol 75 command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 00 Mask length of zero 01 fixed value 08 08 08 08 Access Code 02 Lock action 04 TimeOut APPLIED wirELessip Confidential Page 80 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 ACK 00 Command received correct FF Command received error Response 06 FF 75 00 XX XX Complete 06 FF 75 10 XX XX or 06 FF 75 FF XX XX Action Fail 06 FF 75 80 XX XX Action Time Out PermaLock User Data with Mask 0x76 FROM MSG Example ACK RESPONSE Example Host Reader N1 20 76 Mask 01 00 or FF AccessCode 01 06 FF 76 00 xx xx BlockPtr BlockRange 06 FF 76 10 xx xx LockMask TryTimes xx 06 FF 76 80 xx xx XX OF 06 FF 76 FF xx xx N2 20 76 Mask 01 AccessCode 00 BlockPtr BlockRange TryTimes xx xx This command provides the ability to specify a selection criteria and either Read the PermaLock status of or PermaLock Permanently Lock an ePC Class 1 Gen 2 tag for the block s in User Data memory bank as specified via BlockPtr and BlockRange For PermaLock LockMask contains desired per block permalock action for the specif
21. packet follows the same structure definition as illustrated in section 4 1 for a request command 1 byte the number of bytes in response 2 byte the command type system or protocol tag type e g 0x11 for ISO B 3 byte the command id e g OxOE for ISO B s IDs command 4 through 3 from last the tag ID data For responses that do not contain tag ID data the an byte is OxFF indicating that this is just a message i e no data e g O6 FF 03 00 xx xx for the Write Success result of the ePC C1 Write ID command APPLIED wirELessip Confidential Page 10 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 1 Stop Command Before listing commands of System and tag type specific categories the Stop command is described due to the fact that it does not exactly fall into either category It should be noted that Stop is the only command the MPR reader accepts any time even multiple times during operation with or without another command in execution It therefore serves as a simple way to verify the basic well being of communication with an MPR device Issuing the Stop command is a required step to terminate those commands that repeatedly execute and or generate multiple continuous responses see Appendix in section 6 1 Data Flow IDs Portal IDs Single Tag Meter Read Single Tag ID Write ID Read Single Block Data Read N Blocks Data and Read Single Tag ID with Time Out with a zero value specifi
22. xx Where 03 TryTimes ACK 00 Command received correct FF Command received error Response a TryTimes is 0x00 15 20 10 30 00 30 00 21 41 60 CO 04 00 10 00 01 15 yy yy xx xx Read Success w tag ID of 30 00 30 00 21 41 60 CO 04 00 10 00 b TryTimes is 0x01 OxFF 11 20 10 20 00 30 00 21 41 60 CO 04 00 yy yy xx xx Read Success w tag ID of 30 00 21 41 60 CO 04 00 Or 06 FF 10 80 XX XX Times Out when there is no good data obtained and counter reaches value of TryTimes APPLIED wirELessip Confidential Page 53 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Single Tag Meter 0x11 FROM TO _ MSG Example ACK RESPONSE Example Host Reader 05 20 11 xx xx 00 or FF 16 20 11 30 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy 3F XX XX This command provides the ability to read and count the number of times which single ePC Class 1 Gen 2 tag has been read in 300ms duration in reading field Example Command 052011 XX XX ACK 00 Command received correct FF Command received error Response 16 20 11 30 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy 3F xx xx Where 00 01 08 15 80 00 80 04 28 19 53 88 ePC number 30 00 preceding ePC number PC yy yy tag CRC bytes 3F Number of Reads in 300ms period or the same tag reading until other tags detected before 300ms period ends APPLIED wirELessip Confidential Page 54 of 94 9 11 2013 AW ID MPR Seri
23. 0 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy XX xx or 06 FF 5E 80 xx xx This variant of ePC Class 1 Gen 2 Lock Memory allows a user specified Selection Criteria for command execution OD when MaskLength is zero or a value depending on how long the mask is or simply MaskLength plus seventeen See beginning of section length is 5 length NN 1 byte packet length Mask of actual mask data 01 fixed AccessCode 4 bytes Hex data MemoryLocation bytes 1 byte value 0x00 0x04 for identifying memory bank data to lock at 0x00 Kill Code bank 0 0x01 Access Code bank 0 0x02 EPC Data bank 1 0x03 TID bank 2 5 Once data area where Kill Code or Access Code reside is locked data in bank 0 cannot be read until both get unlocked APPLIED wirELessip Confidential Page 79 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 0x04 User Data bank 3 LockAction 1 byte value 0x00 0x03 for one of the actions below 0x00 UnLock 0x01 Permanent Unlock 0x02 Lock 0x03 Permanent Lock TryTime 0 Cotinuously execute command until user sends STOP command 0x00 0x01 OxFF execute command until this value times 100ms expires Example Command 12 20 75 02 04 01 20 06 FC 01 08 08 08 08 02 04 XX XX Where 12 packet length 20 protocol 75 command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 06 Mask length
24. 00 Command received correct FF Command received error 1A 20 7D 4C CC CC CC CC CC CC CC 8C 00 00 00 00 00 00 00 51 54 4C 1D 80 xx xx for actual data of 99 99 99 99 99 99 99 99 00 00 00 00 00 00 00 00 APPLIED wirELessip Confidential Page 86 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Memory with Mask 0x8F FROM TO MSGExample___ ACK RESPONSE Example Host Reader NN 20 8F Mask 01 00 or FF WriteMemBank 06 FF 8F 80 xx xx WordPtr WordCount 06 FF 8F F7 xx xx DataWords TryTimes XX XX This command provides the ability to write data starting at the specified word position within the specified memory bank of an ePC Class 1 Gen 2 tag in reading field that meets the selection criteria specified in Mask NN 1 byte packet length value depending on how long the mask is or simply MaskLength plus WordCount 2 plus fifteen Mask See beginning of section length is 5 length of actual mask data bytes 01 fixed WriteMemBank 1 byte number 0x00 0x03 for identifying memory bank to write data to 0x00 8 byte data area consisting of 4 byte kill code and 4 byte access code 0x01 EPC data 0x02 TID 0x03 User Data WordPtr 1 byte word number identifying position within memory bank to start writing at 0 denotes 17 word WordCount Number of words to write DataWords Word data in 2 byte pairs to write TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00
25. 01 02 03 04 05 06 07 08 XX XX 06 FF 2D 80 xx xx This command provides the ability to read ISO 18000 6 Type B Tag ID plus up to specified total number of 8 byte memory blocks starting from StartAddress of the Tag in the reading field StartAddress 0x00 OxFF 1 byte starting address to read from Total Blocks 1 1C 1 byte value for total number of blocks of data to read TryTimes 0x00 Repeating until good data obtained or user sends a STOP command 0x00 0x01 OxFF Repeating until get good data or counter reaches the TryTimes Example Command 0811 2D 12 01 10 XX XX Where 12 Start Address 01 Total Number of Blocks 10 Value for TryTimes number of tries ACK 00 Command received correct FF Command received error Response a Number of Tries is 0x00 15 11 2D 01 A8 E5 8F 80 B8 40 09 01 02 03 04 05 06 07 08 xx xx Where 01 A8 E5 8F 80 B8 40 09 Tag ID 01 02 03 04 05 06 07 08 Block Data b Number of Tries is 0x01 OxFF 2 The maximum value 0x1C 28 is based on reading at address 0 and up to 216 bytes of data could have been written command Ox5F starting at address 0x08 APPLIED wirELessip Confidential Page 40 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 15 11 2D 01 A8 E5 8F 80 B8 40 09 01 02 03 04 05 06 07 08 xx xx Where 01 A8 E5 8F 80 B8 40 09 Tag ID 01 02 03 04 05 06 07 08 Block Data Or 06 FF 2D 80 xx xx represen
26. 0x01 0xFF Repeat until write success or counter reaches the number of tries Example Command 1c 208F 0204 01 20 06 FC 01 01 02 06 0A OB OC OD OE OF AA BB CC DD EE FF 03 xx xx Where Up to 20 words of data can be written in one command execution APPLIED wirELessip Confidential Page 87 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 1C packet length 20 protocol 8F command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 06 Mask Length of 6 bits FC Mask value for bit mask of 111111 01 fixed value 01 MemoryBank for EPC data 02 WordPtr start writing at 3rd word 06 WordCount to write 6 words worth of data OA FF the 12 byte EPC number 03 TryTimes Or 1B 20 8F 02 04 01 20 00 01 01 02 06 OA OB OC OD OE OF AA BB CC DD EE FF 03 xx xx Where 1B packet length 20 protocol 8F command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 00 Make Length of zero 01 fixed value 01 MemoryBank for EPC data 02 WordPtr start writing at 3 word 06 WordCount to write 6 words worth of data OA FF the 12 byte EPC number 03 TryTimes Response 06 FF 8F 00 XX XX Write Success 06 FF 8F 10 XX XX or 06 FF 8F FF XX XX Write Fail 06 FF 8F 80 XX XX WriteTime Out when TryTimes is 0x01 OxFF or on User Stop when TryTimes is 0x00
27. 10 xx xx XX XX 06 FF 65 80 xx xx 06 FF 65 FF xx xx This command allows specification of the exact action to permanently or not lock or unlock an ePC Class 1 Gen 2 tag in reading field at memory location as specified Access Code is one defined through a previous Write Access Code command 2F AccessCode 4 bytes Hex data MemoryLocation 1 byte number 0x00 0x04 for identifying memory bank data to lock at 0x00 Kill Code bank 0 0x01 Access Code bank 0 0x02 EPC Data bank 1 0x03 TID bank 2 0x04 User Data bank 3 ActionCode 1 byte number 0x00 0x03 denoting the actual lock unlock action 0x00 UnLock 0x01 Permanent Unlock 0x02 Lock 0x03 Permanent Lock TryTimes 0x00 Repeat until lock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until lock completes or counter reaches the specified number of tries Example Command OC 20 65 11 22 33 44 03 02 14 XX XX Where 11 22 33 44 access code 03 memory bank 02 lock 14 tries 48 Once data area where Kill Code or Access Code reside is locked data in bank 0 cannot be read until both get unlocked APPLIED wirELessip Confidential Page 69 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 ACK 00 Command accepted for execution FF Command received error Response 06 FF 65 00 XX XX Complete 06 FF 65 10 XX XX or 06 FF 65 FF XX XX Lock Fail 06 FF 65 80 XX XX Lock Time
28. 13 Read Block Data 0x0D FROM L MSG Example _ ACK RESPONSE Example Host Reader 06 20 0D 00 or FF MemoryBanklID xx xx 12 20 OD 00 00 00 00 00 00 00 00 OE A9 99 OA 80 xx xx This command provides the ability to read the block of data from the specified memory bank of an ePC Class 1 Gen 2 tag in reading field The command continuously executes until a block of data is located and responded with or a Stop command is received MemoryBankID 1 byte number 0x00 0x03 for identifying memory bank to retrieve data from 0x00 to retrieve the 8 byte data consisting of 4 byte kill code and 4 byte access code 0x01 EPC data 0x02 TID 0x03 data from user memory bank Example Command 06 20 0D 00 XX XX Where 00 to retrieve 4 byte kill code and 4 byte access code ACK 00 Command received correct FF Command received error Response 12 20 OD 00 00 00 00 00 00 00 00 OE A9 99 OA 80 xx xx Where neither access code nor kill code was previously written Command 06 20 0D 01 XX XX Where 01 to retrieve EPC data ACK 00 Command received correct FF Command received error Response 1A 20 OD 13 34 18 00 00 08 91 19 A2 2A B3 3B C4 4C DS 5D ED 89 47 EO 80 xx xx Data need to be shifted to left by 1 bit 2 This command was meant to retrieve data of the whole block of a manufacturer defined size early tags by Philips allowed for up to 14 words 28 byte of user data be stored however M
29. 15 0 gt Block 14 no change Bit 16 0 gt Block 15 no change 50 tries ACK 00 Command accepted for execution FF Command received in error Response 06 FF 9D 00 XX XX Complete 06 FF 9D 10 XX XX or 06 FF 9D FF XX XX Operation Fail 06 FF 9D 80 XX XX Operation Time Out APPLIED wirELessip Confidential Page TT of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 5 5 EPC Class 1 Gen 2 Commands with Pre Selection This section describes ePC Class 1 Gen 2 commands with the Pre Selection capability Selection criteria may be specified in tag s memory as illustrated in diagrams below EPC Class1 Gen2 tags have 4 memory banks Reserved at Bank 00 EPC at Bank 01 TID at Bank 10 and USER at Bank 11 The offset is used as a pointer into these various memory blocks to locate the desired information An offset of 0x20 into memory Bank 01 points to the beginning of the EPC code There are 16 bytes reserved for EPC Selection Target Action MemBank Pointer MaskLength Mask 1 1 1 1 1 Variable 0x02 0x04 Ox00 RFU Starting Mask Mask 0x01 EPC Mask Length value 0x02 TID bits 0x03 User Address bits see below table J20 EF E 3a 14 MGEN teu Z Data yte Or Fal FOCA ETS pra ETGEN Ttcotcp sen e Slee sorte oa o ose 10 35 ei DE L 023C L D moa pos Pot Di e pach te pit lorie tna fons asa Ir The Selection Cr
30. 2 2E 30 31 2D 32 35 2A 35 30 2A 4C 31 xx xx Example Command 05 00 00 XX XX ACK 00 Command received correct FF Command received error Response 17 00 00 55 53 30 2D 76 32 2E 30 31 2D 32 35 2A 35 30 2A 4C 31 xx xx Where 55 53 30 2D 76 32 2E 30 31 2D 32 35 2A 35 30 2A 4C 31 Version Identification In this example the result is USO v2 01 25 50 L1 APPLIED wirELessip Confidential Page 12 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Temperature 0x01 I FROM TO MSG Example ACK RESPONSE Example Host Reader 05 00 01 xx xx 00 or FF 07 00 01 01 1D xx xx This is the command to get the temperature reading of the MPR device in centigrade Example Command 050001 XX XX ACK 00 Command received correct FF Command received error Response 07 00 01 01 1D xx xx where the 4th byte is Temp1 and 5th byte Temp2 and the temperature reading should be calculated as follows When Temp1 is less than 255 OxFF the resulting reader temperature should be Temp1 256 Temp2 10 yields to 28 degrees Celsius from this response If Temp1 is a negative value the resulting reader temperature should be 256 Temp2 10 This refers to temperature of the embedded module and is ok to be higher e g by 20 C than what s documented in reader s installation user manual sec 2 for the upper limit of the operating ambient temperature APPLIED wirELessip C
31. 20 1D MemoryBank 00 or FF WordAddress 1A 20 1D 1111111111 11 WordCount xx xx 1111 11 11 22 22 22 22 00 00 52 16 D3 A1 00 xx xx This command provides the ability to read data of specified word length from the specified location in the specified memory bank of an ePC Class 1 Gen 2 tag in reading field The command continuously executes until data is located and responded with or a Stop command is received MemoryBank 1 byte specification of memory bank from which data will be retrieved 0x00 for Reserved 0x01 EPC 0x02 TID or 0x03 for User Data WordAddress 1 byte number 0x00 manufacturer s limit for identifying user memory location to retrieve data from WordCount 1 byte number 0x01 manufacturere s limit for specifying length in no of words of data to read Example Command 08 20 1D 01 02 OF XX XX Where 01 memory bank 1 for ePC Number 02 starting word address 15 15 words 30 bytes of data to be retrieved ACK 00 Command accepted FF Command received in error Response 28201D089119A22AB33BC44C80089119A22AB33BC44C80089119A22AB33BC44C802F12A80500XXXX where starting at the 4 byte is a 240 bit i e 30 bytes or 15 words ePC Number previously written Command 08 20 1D 03 00 08 XX XX Where Data need to be shifted to left by 1 bit 33 A reasonable value has to be specified to ensure of retrieval e g if WordCount is gt 6 and ReadMemBank is 1 then the reader will
32. 43 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 07 00 43 On Off 00 or FF Threshold xx xx This command is issued to enable disable reporting of temperature statuses see 5 6 for applicable messages On enabling the reporting temperature threshold should also be specified with a value in 40 90 Celcius By default reporting is disabled in the system though steps are always taken to constantly monitor the temperature and perform necessary actions in safeguarding the system Example Command 07 00 43 00 00 xx xx disable reporting 07 00 43 01 32 xx xx enable reporting at 50 Celcius ACK 00 Command received correct FF Command received error Response None APPLIED wirELessip Confidential Page 27 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Extended EPC Support 0x4A I FROM TO MSGExample____ ACK RESPONSE Example Host Reader 06 00 4A Setting xx xx 00 or FF By default reader reports EPC Class 1 Gen 2 tags with EPC numbers of lengths in at most 128 bits This command can be issued to override such default for reader to include tags with EPC numbers in extended lengths of up to 240 bits Example Command 06 00 4A 00 xx xx disable extended length report only tags with EPC numbers of up to 128 bits 06 00 4A 01 xx xx enable extended length of 240 bits Response None APPLIED wirELessip Confidential Page 28 of 94 9 11 2013 AW ID MPR
33. 66 77 88 11 22 33 44 55 66 77 88 11 22 33 44 55 66 77 88 11 22 33 44 55 66 77 88 11 22 33 44 55 66 77 88 64 XX XX S Depending on tag manufacturer s policy this area may be locked and not writable APPLIED wirELess ip Confidential Page 73 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Where 03 to write in user data area 00 00 to write starting at the 1st word 18 to write 24 words 00 11 22 33 44 55 66 77 88 11 22 33 44 55 66 77 88 24 word 48 byte data to write 64 try times ACK 00 Command accepted FF Command received in error Response 06 FF GE 00 XX XX Write Success 06 FF GE 10 XX XX or 06 FF 6F FF XX XX Write Fail 06 FF GE 80 XX XX WriteTime Out APPLIED wirELessip Confidential Page 74 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 PermaLock User Data 0x9D I FROM TO MSGExample___ ACK RESPONSE Example Host Reader NN 20 9D AccessCode 00 or FF 01 BlockPtr 06 FF 9D 00 xx xx BlockRange LockMask 06 FF 9D 10 xx xx TryTimes xx xx or 06 FF 9D 80 xx xx OD 20 9D AccessCode 06 FF 9D FF xx xx 00 BlockPtr 07 20 9D 00 01 xx xx BlockRange TryTimes XX XX This command provides the ability to either Read the PermaLock status of or PermaLock Permanently Lock an ePC Class 1 Gen 2 tag for the block s in User Data memory bank as specified via BlockPtr and BlockRange For PermaLock LockMask con
34. APPLIED wirELessip Confidential Page 5 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 2 References MPR Serial Communication Manual 041388 MPR Serial Communication Manual Il 041377 APPLIED wireLess ip Confidential Page 6 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 3 Physical Layer The device will be connected to the host via RS 232 It will be a three wire connection TX RX and GD with 9600 8 N 1 as the default setting e Baud Rate 9600 e Data Bits 8 e Parity None e Stop Bits 1 e Flow Control None APPLIED wirELessip Confidential Page 7 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 4 Data Link Layer This section describes the data link layer of the protocol In particular it provides sufficient information to describe how devices should implement the data transmission mechanism in order to provide reliable communications of data 4 1 RCSP Packet Structure The packet structure is shown below LEN ae DE 1 1 1 Where DATA CHECKSUM lt 50 2 e LEN Total number of bytes in packet e TYPE Command type commands are categorized into system 0x00 tag type specific 0x11 0x15 or 0x20 and multi protocol 0x14 e CMD Command code Le command ID within the command category e DATA Data of 5 50 bytes long depending on the CMD e CHECKSUM CRC 16 For example the RF Power ON system
35. D MPR Serial Communication Protocol III 9 11 2013 6 2 Messages Responses For those responses that do not contain tag data i e tag ID or user data they are categorized as the non data Messages that provide the status result of a command execution For such a Message response the 2 byte in the packet is always FF the 3 byte is as usual the command id starting at the 4 byte there can be one or more of the status byte The table below summarizes these Status Byte Value Definition Command Example 00 10 Fail Write ID 80 Time Out or User commands wi tryTimes Stop Write Byte Data FF Fail Write Byte Data Lock ID Erase ID 6 3 Simple Multi Protocol RFID Application Scenario As the acronym MPR stands for an MPR device handles read write of tags of multiple protocols while commands system tag protocol are handled one at a time In other words commands of different categories system ISO 18000 6B and EPC C1 Gen 2 as supported can be interspersed in the sequence of operations a SW application is set out to execute For example after connection is established with the device an application may first issue the Reader Status command 05 00 OB xx xx for examining system settings obtained in response packet s following Ack send an RF Power Level setting command 06 00 12 index xx xx following the confirmation Ack issue the SO 18000 6 B Portal IDs command 07 11 1E 00 00 xx xx
36. F 35 10 xx xx 06 FF 35 80 xx xx 06 FF 35 FF xx xx This command provides the ability to Unlock Memory of an ePC Class 1 Gen 2 tag in the reading field at memory location as specified Access Code is one defined through a previous Write Access Code command 2F AccessCode 4 bytes Hex data MemoryLocation 1 byte number 0x00 0x04 for identifying memory bank data to be unlocked 0x00 Kill Code bank 0 0x01 Access Code bank 0 0x02 EPC Data bank 1 0x03 TID bank 2 0x04 User Data bank 3 TryTimes 0x00 Repeat until unlock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until unlock completes or counter reaches the specified number of tries Example Command OB 20 35 11 22 33 44 03 14 XX XX Where 11 22 33 44 access code 03 memory bank 14 tries ACK 00 Command accepted for execution FF Command received error Response 06 FF 35 00 XX XX Complete 06 FF 35 10 XX XX or 06 FF 35 FF XX XX Unlockl Fail 06 FF 35 80 XX XX Unlock Time Out when TryTimes is 0x01 OxFF Status value of 0 indicates completion of execution of the unlock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully unlocked Any of the other status values was mostly caused by a failed communication with the tag APPLIED wirELessip Confidential Page 64 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Permanent Lock
37. Gen 2 protocol definition a Length of response packet in this case is manufacturer dependent first example response is from a Philip s tag and after shifting data should be E2 00 40 01 00 1E B4 C1 75 E6 CC B6 where 73 66 unshifted would be the 2 byte handle random value 5B 00 tag CRC s Second example response is from a TI tag and data after shifting are E2 00 10 40 OB BD AE 21 where DE A7 are the handle bytes For others refer to ePC C1 Gen 2 protocol definition for details APPLIED wirELessip Confidential Page 50 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write User Data 0x0F I FROM TO MSGExample___ ACK RESPONSE Example Host Reader NN 20 OF WordlID 00 or FF DataWords TryTimes 06 FF OF 00 xx xx XX XX 06 FF OF 10 xx xx 06 FF OF 80 xx xx 06 FF OF FF xx xx This command provides the ability to write data starting at the specified word position within the user memory bank of an ePC Class 1 Gen 2 tag The command is issued to write at least one or more 2 byte word s Packet length is therefore dependent on how many words are to be written NN 1 byte packet length value depending on how many data words are to be written WordID 1 byte word number identifying position within user memory bank to start writing at 0 denotes 1 word DataWords Word data in 2 byte pairs to write TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 OxFF R
38. HSL and any future suppliers of ISO 18000 6 Type B family Dash six 6 is for UHF and Type B is the family distinct from those of Type A Traditionally Type B is called binary tree splitting and Type A is called Aloha anti collision Philips U Code is similar to the Intellitag family but with 2K bits memory Read Single Tag ID 0x00 MSG Example ACK RESPONSE Example Host Reader 05 11 00 xx xx 00 or FF OD 11 00 01 A8 E5 8F 80 D8 40 09 XX XX This command enables reading of a single ISO 18000 6 Type B tag in reading field Example Command 05 11 00 xx xx Ack 00 command accepted FF command received in error Response OD 11 00 01 A8 E5 GE 80 D8 40 09 xx xx Where 01 A8 E5 8F 80 D8 40 09 tag ID APPLIED wirELessip Confidential Page 33 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read Single Block Data 0x0D FROM TO MSG Example ACK RESPONSE Example Host Reader 1111 0D 0C ID 00 or FF StartAddress DataCRC OF 11 0D 01 02 03 04 05 06 XX XX 07 08 yy yy xx xx This command provides the ability to read single memory block which is total 8 bytes starting from StartAddress of the selected ISO 18000 6 Type B Tag ID in the reading field The command continuously executes until a block of data is located and responded with or a Stop command is received Example Command 1111 0D OC 01 A8 E5 8F 80 B8 40 09 12 39 4B XX XX Where 01 A8 E5 8F 80 B8 40 09 Tag
39. ID 12 Start Address 39 4B Data CRC ACK 00 Command received correct FF Command received error Response OF 11 0D 01 02 03 04 05 06 07 08 yy yy xx xx Where 01 02 03 04 05 06 07 08 Block Data yy yy internal CRC 2 bytes 18 The Data CRC is calculated with 10 bytes of data OC Ce in command preceding the 8 byte Tag ID Tag ID 5 12 and the Start Address byte 13 and will be placed in the 14 and 15 bytes of the command APPLIED wirELessip Confidential Page 34 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 Write Byte Data 0x0F I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 1211 0F OD TagID 00 or FF WriteAddress 06 FF OF Status xx xx WriteData DataCRC xx XX This command provides the ability to write single byte data to the Write Address of the selected Tag ID in the writing field TagID 8 byte TagID WriteAddress 0x08 OxFF 1 byte address to write at WriteData 1 byte data to write with DataCRC 2 byte CRC s calculated with 11 bytes of data OD 4 in the command preceding the 8 byte Tag ID Tag ID 5 12 the Write Address byte 13 and the Write Data byte A and will be placed in the15 and 16 bytes of the command Example Command 12 11 OF OD 01 A8 E5 8F 80 B8 40 09 12 31 OC 4E XX XX Where 01 A8 E5 8F 80 B8 40 09 Tag ID 12 WriteAddress 31 WriteData OC 4E DataCRC ACK 00 Command received correct
40. MPR Serial Communication Protocol Il 1 9 11 2013 APPLIED WIRELESS ID MPR Serial Communication Protocol III 041458 AW ID MPR Serial Communication Protocol III 9 11 2013 Table of Contents REVISIONHSTORI scel 4 NK GT e E ne e 5 1 1 DEFINITIONS AND ACRONYMS oriali 5 2 REFERENCES EE 6 3 PANSICALLAVER alain Dre 7 4 DATA LINKLAYER lille deli 8 4 1 RCSP PACKET STRUCTURE superiori 8 42 CHECKSUM AG ORT Way ecocescneiaserscictoacentunieaatiria ta slutacus EEA RE ESEESE 8 4 3 POLL RESPONSE isla 9 5 MESSAGE CAV nne 10 5 1 STORCOMMAND electa 11 VUOI IRR ERRE 11 5 2 SYSTEM COMMAND O X00 ii 12 Firmw re Version innata 12 Temperatur Eeer 13 RF Power E EE 14 RF Power OFF 0x06 spiace 15 Reader DEE gebeten 16 Antenna Select OX0D lana 19 Antenna Status RR RE ta nae 20 Antenna Switch 0X0F nimiseen iii 21 RF Power Level Control TEE enee 22 Portal IDS Filter 0X13 riale 23 Change Baud Rate lilla 24 ANCOR 25 Write RF Power Level Control OX32 vcisisssincassvosivervtitenonsavenesinvasnvansnvauntaveedensestvteanss 26 Report Temperature Warning E E 27 Extended EPC Zeene tere euer EE 28 Antenna Source 0x53 iii 29 Antenna Power Level Control 0002 30 CORO PRE 31 Antenna Configure ORES siria ii 32 5 3 ISO 18000 6 TYPE B U CODE HSiCoMMaNDOUNII 33 Read Single Tag ID 0x00 ee eerste ER 33 Read Single Block Data CD 34 WHILE Byte D ta FR R TEE 35 Single Tag Meter Oxl T EE 36 Portal
41. NSE Example Host Reader 06 00 13 Filter xx xx 00 or FF This command can be issued to turn on or off the filtering for the Portal IDs command The MPR device is defaulted to have filtering enabled When filtering is in effect a non zero value for the Repeat parameter to the Portal IDs command will result in a set of unique tag IDs being returned every Repeat 100 ms Example Command 06 00 13 00 xx xx Filtering Off 06 00 13 01 xx xx Filtering On ACK 00 Command received correct FF Command received error Response None APPLIED wirELessip Confidential Page 23 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Change Baud Rate 0x18 FROM TO MSGExample__ ACK RESPONSE Example Host Reader 06 00 18 00 or FF Baudratelndex xx xx This is the command to set the baud rate for the MPR device Mapping between value for BaudratelIndex and the actual baud rate is as follows 0x00 9600 0x01 19200 0x02 38400 0x03 57600 0x04 115200 Example Command 06 00 18 02 XX XX to set the baud rate to 38400 ACK 00 Command received correct FF Command received error Response None 15 The change will be reset back to 9600 after a power or soft reset APPLIED wirELessip Confidential Page 24 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Switch Rate 0x1D FROM TO _ MSG Example ACK RESPONSE Example Host R
42. Out when TryTimes is 0x01 OxFF 4T Status value of 0 indicates completion of execution of the lock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully locked Any of the other status values was mostly caused by a failed communication with the tag APPLIED wirELessip Confidential Page 70 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read High Capacity Memory 0x6D FROM TO MSGExample___ ACK RESPONSE Example Host Reader 0A 20 6D MemoryBank 00 or FF WordAddress1 3A 20 6D 00 00 08 91 19 A2 2A B3 WordAddress2 3B C4 4C 88 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 WordCount TryTimes 49 00 00 00 00 00 00 00 00 00 00 XX XX 00 00 00 00 00 00 00 0C 6F 57 4A 40 xx xx This command provides the ability to read high capacity data of specified word length from the specified location in the specified memory bank of an ePC Class 1 Gen 2 tag in reading field The command continuously executes until data is located and responded with specified try attempts reached or a Stop command is received MemoryBank 1 byte specification of memory bank from which data will be retrieved 0x00 for Reserved 0x01 EPC 0x02 TID or 0x03 for User Data WordAddress1 Higher order byte for the integer valued word address value 0x00 OxFF 0x00 if the integer value does not exceed 255 WordAddress2 Lower order byte for the integer valu
43. PLIED wirELessip Confidential Page 3 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 REVISION HISTORY No Affected 1 0 8 2011 Initial version 1 1 11 2011 Temperature monitor status messages 5 6 added 2 0 1 2012 5 2 Conversion formula updated for handling negative values Temperature command 0x01 2 1 4 2012 5 2 Editorial update to Regional Frequency Band for Reader Status command FW USO V2 01 25 50 L6 3 0 5 2012 5 2 5 6 System command 0x43 added for enabling disabling reporting temperature status FW 21 03 S1 T 3 1 6 2012 5 2 System command 0x4A added for extended EPC support FW 21 03 S3 T 3 2 8 2012 5 2 Changes to antenna commands 0x0D Ox0E removed OxOF and 0x1D 0x88 added for 4 port 19xx module support 4 0 9 2012 5 4 Obsolete EAS commands removed 4 1 9 2012 5 2 Antenna commands OxOE 0x62 added 4 2 9 2012 5 3 5 4 Appendix section added describing actual 6 4 indexing assignment for Sensitivity Level Control command 0x07 FW 25 51 S8 29 51 S8 4 3 10 2012 FW 25 51 L8 5 0 1 2013 5 2 Corrections to OxOF 0x88 replies 5 1 3 2013 Obsolete multi protocol commands 0x14 removed FW 25 52 S 1 29 52 S1 6 0 9 2013 5 3 ISO commands updated per FW support 6 1 9 2013 5 2 5 4 Obsolete system command 0x08 removed EPC C1G2 commands 0x6D Ox6F added AWID APPLIED wireLess in Confidential Page 4 of
44. PR Readers would reject any command packet of over 30 bytes and at most 11 words of user data were supported Many newer tags do not support this functionality i e no response since a more flexible way to retrieve user data could be of very large size has been made available by the Read Memory 0x1D command SE byte of response contains a value other than the expected eg 0x12 then it implies the memory bank was locked and no meaningful access kill code data retrieved APPLIED wirELessip Confidential Page 49 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Where tag ID 00 11 22 33 44 55 66 77 88 99 AA BB was previously written Command 06 20 0D 02 XX XX Where 02 to retrieve TID ACK 00 Command received correct FF Command received error Response 12 20 OD 71 00 20 00 80 OF 5A 60 BB 73 66 5B 00 xx xx or OE 20 OD 71 00 08 20 05 DE A7 90 80 xx xx Command 06 20 0D 03 xx xx Where 03 to retrieve user data ACK 00 Command received correct FF Command received error Response 26 20 OD 00 08 88 88 88 88 88 88 88 99 38 57 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 31 67 1B 78 80 xx xx Where 8 byte user data of all 1s were previously written at word 0 8 Therefore after shifting data should be 26 68 30 00 00 11 22 33 44 55 66 77 88 99 AA BB DB 12 8F C1 where 30 00 are the PC number DB 12 are the 2 byte handle a random value etc for details refer to ePC C1
45. Serial Communication Protocol III 9 11 2013 Antenna Source 0x53 FROM TO MSG Example ACK RESPONSE Example Host Reader 06 00 53 Setting xx xx 00 or FF This command is issued to identify the antenna in use for a particular Read of the tag When enabled the antenna number will be returned in responses to a tag reading command taking up an additional byte For example if enabled the response for an ePC C1 Gen 2 Portal IDs command is like 16 20 1E 30 00 11 22 33 44 55 66 77 88 99 AA BB CC yy yy 01 xx xx where 11 22 33 44 55 66 77 88 99 AA BB CC is the tag ID and 01 preceding the CRC bytes is the antenna number Applicable tag reading commands include IDs Portal IDs Read Single Tag ID Read Single Tag ID with Time Out By default this capability is disabled in the system Example Command 06 00 53 00 xx xx disable Identifying Antenna Source 06 00 53 01 xx xx enable Identifying Antenna Source Response None APPLIED wirELessip Confidential Page 29 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Power Level Control 0x62 FROM TO MSG Example ACK RESPONSE Example Host Reader 09 00 62 Ant Ant 00 or FF Ant3 Ant4 xx xx This command is issued to set the Antenna Power Level for an MPR 19x4 based unit Settings are specified in terms of Output Attenuation Index as in RF Power Level Control 0x12 Ant Ant4 each takes value in 00 FF All defa
46. This command provides the ability to read multiple ISO 18000 6 Type B tags present in the reading field It provides the automatic RF Power Off function thereby optimizes performance in a multi reader environment TimeOut 0x00 continuously execute command until user sends STOP command 0x00 0x01 0xFF execute command until 100ms multiplied by this value expires Repeat 0x00 continuous returning of tag ID data 0x01 OxFE returning of unique tag ID data will be repeated every interval of 100 ms multiplied by this value meaningful only if filtering is in effect Example Command a 07 11 1E 00 00 XX XX b 07 11 1E 04 03 XX XX Where 04 command should stop after 4 100 ms 03 unique tag ID data will be returned every 3 100 ms if filtering is in effect ACK 00 Command received correct FF Command received error Response a TimeOut is 0x00 OD 11 1E 01 A8 E5 GE 80 B8 40 09 xx xx repeated every 300 ms Where 01 A8 E5 8F 80 B8 40 09 Tag ID This command will repeat until user sends a STOP command 0x00 APPLIED wirELessip Confidential Page 37 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 b TimeOut is 0x01 OxFF b 1 OD 11 1E 01 A8 E5 GE 80 B8 40 09 xx xx repeated every 300 ms Where 01 A8 E5 8F 80 B8 40 09 Tag ID and 06 FF 1E 80 xx xx execution stops when 400 ms is up or b 2 06 FF 1E 80 xx xx Timed Out when there is no good dat
47. a obtained upon expiration of 400 ms APPLIED wirELessip Confidential Page 38 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Block 0x1F I FROM TO MSGExample___ ACK RESPONSE Example Host Reader OF 11 1F 8ByteData 00 or FF StartAddress TryTimes 06 FF 1F 00 xx xx XX XX 06 FF 1F 10 xx xx 06 FF 1F 80 xx xx 06 FF 1F FF xx xx This command provides the ability to write eight 8 bytes of data to an ISO 18000 6 Type B Tag starting at the specified address 8ByteData 8 byte data to write StartAddress Ox08 OxFF 1 byte Hex data for starting address to write at TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 OxFF Repeat until write success or counter reaches the number of tries Example Command OF 11 1F 01 02 03 04 05 06 07 08 12 OA xx xx Where 01 02 03 04 05 06 07 08 data to write 12 StartAddress OA number of tries ACK 00 Command received correct FF Command received error Response 06 FF 1F 00 xx xx Write Success 06 FF 1F 80 xx xx Write Time Out 06 FF 1F 10 xx xx or 06 FF 1F FF xx xx Write Fail APPLIED wirELessip Confidential Page 39 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read N Blocks Data 0x2D FROM TO MSGExample____ ACK RESPONSE Example Host Reader 0811 2D StartAddress 00 or FF TotalBlocks TryTimes 15 11 2D 01 A8 E5 8F 80 B8 XX XX 40 09
48. abled antennas may not be correct until the Antenna Configure command is executed APPLIED wirELessip Confidential Page 20 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Switch 0x0F FROM TO MSG Example ACK RESPONSE Example Host Reader 06 00 OF Setting xx xx 00 or FF 07 00 OF 03 00 xx xx or 07 00 OF 00 FF xx xx This command is issued to enable or disable the Antenna Switch functionality for reader module Setting is 00 for Disable and 01 for Enable When enabled reader will use antenna by toggling between the two for 2 port reader module or among up to four for MPR 1914 based on switching rates set for antennas By default the switch is off and antenna 1 is selected Upon executing this command to enable switching reader responds with status information 3 and 4 bytes as shown in example below Example Command 06 00 OF 00 xx xx disable Antenna Switch 06 00 OF 01 xx xx enable Antenna Switch ACK 00 Command accepted for execution FF Command received in error Response 07 00 OF 03 00 xx xx where 3 byte OF denotes command code 4th byte 03 denotes status of detected antennas and 5 byte 00 setting status or result of command execution Length Type Command Ant Detect Message CRC 16 of bytes 1 1 1 1 1 2 Description 0x07 0x00 Ox0F bit 0 ANT1 0x00 Success bit 1 ANT2 OxFF Fail bit 2 ANT3 bit 3 ANT4 1 Good
49. acket IN Out 4 3 Poll Response The protocol is poll response only and therefore half duplex The MPR device will respond with 0x00 or OxFF after it receives the complete command packet The maximum delay the host has to wait for the response is about 100 ms APPLIED wirELessip Confidential Page 9 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 Message Layer This section describes all the commands that can be issued via RCSP packets They are categorized or typed into System tag type protocol specific and multi protocol Examples are shown in hexadecimal and include an xx in the placeholder CRC bytes If data in a response message are for multiple tags 1 tag s worth of data per packet are returned Data exceeding the length of the packet are truncated All commands should expect an acknowledgement from the MPR device some should also expect a subsequent response s These are noted in the description for each of the commands in sub sections that follow The Stop command is applicable to those commands that repeatedly execute and or generate multiple continuous responses see Appendix in section 6 1 IDs Portal IDs Single Tag Meter Read Single Tag ID Write ID Read Single Block Data Read N Blocks Data and Read Single Tag ID with Time Out with a zero value specified for the TryTimes parameter for the last three fall into this sub category and should be handled accordingly A response
50. al Communication Protocol III 9 11 2013 Unlock ID 0x15 FROM TO _ MSG Example ACK RESPONSE Example Host Reader OA 20 15 AccessCode 00 or FF TryTimes xx xx 06 FF 15 00 xx xx 06 FF 15 10 xx xx 06 FF 15 80 xx xx 06 FF 15 FF xx xx This command provides the ability to Unlock the ID of a locked ePC Class 1 Gen 2 tag in reading field with an Access Code defined through a previous Write Access Code command 2F AccessCode 4 byte hex data TryTimes 0x00 Repeat until unlock completes or user sends a STOP command 0x00 0x01 0xFF Repeat until unlock completes or counter reaches the specified number of tries Example Command OA 20 15 11 22 33 44 14 XX XX Where 11 22 33 44 access code 14 tries ACK 00 Command received correct FF Command received error Response 06 FF 15 00 XX XX Complete 06 FF 15 10 XX XX or 06 FF 15 FF XX XX Unlock Fail 06 FF 15 80 XX XX Unlock Time Out when TryTimes is 0x01 0xFF 31 Status value of 0 indicates completion of execution of the unlock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully unlocked Any of the other status values was mostly caused by a failed communication with the tag APPLIED wirELessip Confidential Page 55 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read Memory 0x1D I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 08
51. ample Command OA 20 05 11 22 33 44 14 XX XX Where 11 22 33 44 access code 14 tries ACK 00 Command received correct FF Command received error Response 06 FF 05 00 XX XX Complete 06 FF 05 10 XX XX or 06 FF 05 FF XX XX Lock Fail 06 FF 05 80 XX XX Lock Time Out when TryTimes is 0x01 OxFF Status value of 0 indicates completion of execution of the lock command and not necessarily the actual resulting status of the tag i e tag may or may not be successfully locked Any of the other status values was mostly caused by a failed communication with the tag APPLIED wirELessip Confidential Page 46 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Kill Tag 0x06 FROM TO _ MSG Example ACK RESPONSE Example Host Reader 0A 20 06 KillCode 00 or FF TryTimes xx xx 06 FF 06 00 xx xx 06 FF 06 10 xx xx 06 FF 06 FF xx xx 06 FF 06 80 xx xx This command provides the ability to Kill the ePC C1 Gen 2 tag in reading field with a 4 byte Kill Code defined through a previous Write Kill Code command 1F KillCode 4 byte hex data TryTimes 0x00 Repeat until kill success or user sends a STOP command 0x00 0x01 0xFF Repeat until kill success or counter reaches the specified number of tries Example Command OA 20 06 01 02 03 04 00 xx xx Where 01 02 03 04 Kill Code 00 TryTimes ACK 00 Command received correct FF Command received error Response
52. bit will be interpreted as follows 0 no change in current permalock setting for corresponding block 1 apply permalock if already permalocked no change Do not specify this parameter for Read TryTimes 0x00 Repeat until operation completes or user sends a STOP command 0x00 0x01 OxFF Repeat until operation completes or counter reaches the specified number of tries Example Command 15 20 76 02 04 01 20 10 00 10 01 11 22 33 44 01 00 06 20 XX XX Where 15 packet length 20 protocol 76 command 02 04 fixed value 01 MemoryBank for EPC APPL WiO Confidential Page 82 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 20 Starting bit position in EPC bank 10 Mask Length of 16 bits 00 10 Mask value for bit mask 0000000000010000 01 fixed value 11 22 33 44 access code 01 to apply Read operation 00 to begin at block 0 06 to end at block 95 20 tries Or 13 20 76 02 04 01 20 00 01 11 22 33 44 01 00 06 20 XX XX Where 13 packet length 20 protocol 76 command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 00 Mask Length of zero 01 fixed value 11 22 33 44 access code 01 to apply Read operation 00 to begin at block 0 06 to end at block 95 20 tries ACK 00 Command accepted for execution FF Command received in error
53. ceived correct FF Command received error Response 1900 0B 00 24 00 09 01 FF FF FF FF FF FF FF FF FF FF 04 04 FF FF 00 xx xx Where 00 24 00 09 01 FF FF FF FF FF FF FF FF FF FF 04 04 FF FF 00 Status Byte 1 RF Power On Off 0x00 Off 0x01 On Byte 2 Protocol Data Rate Bit 0 N A Bit 1 ISO 18000 6 Type B 0 40k 1 160k Bit 2 N A Bit 3 N A Bit 4 N A Bit 5 ePC C1 Gen 2 0 40k 1 20k Bit 6 N A Bit 7 N A Byte 3 Region Code for Operation Frequency Band 0x00 902 928 America 0x01 902 928 US 2 0x02 922 928 Taiwan 0x03 920 925 Singapore Thailand Hong Kong See http www gs1 org docs epcglobal UHF_Regulations pdf for up to date definitions 8 Argentina Canada Chile Costa Rica Dominican Republic Mexico Peru Puerto Rico United States Uruguay APPLIED wirELessip Confidential Page 16 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 0x04 910 914 Korea 0x05 920 925 China 0x06 919 923 Malaysia 0x07 Reserved 0x08 920 926 Australia 0x09 915 4 919 South Africa Ox0A 902 907 5 Brazil 1 0x0B Reserved Ox0C Reserved 0x0D 915 928 Brazil 2 Ox0E N A OxOF N A 0x10 952 954 Japan High 0x11 952 955 Japan Low 0x12 922 926 Taiwan 3 Byte 4 Frequency Index Number frequency table index currently hopped to at 0x00 0x32 Byte 5 Frequency Hopping Status whether f
54. e written and shall be 16xWordCount bits in length TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 OxFF Repeat until write success or counter reaches the specified number of tries Example Command OF 20 5F 01 02 03 11 22 33 44 55 66 00 XX XX Where Depending on tag manufacturer s policy this area may be locked and not writable It should be noted that when writing in MemoryBank 01 EPC one should start writing at WordID 02 since 00 and 01 are used by tag CRC and PC and had better not be overwritten 45 Up to 20 words e g User data are supported APPLIED wireLess um Confidential Page 67 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 01 to write in EPC area 02 to write starting at the 3 word 03 to write 3 words 11 22 33 44 55 66 3 word 48 bit data to write 00 try times ACK 00 Command received correct FF Command received error Response 06 FF 5F 00 XX XX Write Success 06 FF 5F 10 XX XX or 06 FF 5F FF XX XX Write Fail 06 FF 5F 80 XX XX WriteTime Out when TryTimes is 0x01 OxFF RWID APPLIED wireLessiov Confidential Page 68 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Lock Memory with Action 0x65 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader OC 20 65 AccessCode 00 or FF MemoryLocation 06 FF 65 00 xx xx ActionCode TryTimes 06 FF 65
55. eader 0900 1D Ant1 Ant2 00 or FF Ant3 Ant4 xx xx When Antenna Switch OxOF is enabled the reader will operate switching from one enabled antenna to the next based on the switching rate set for each This command is issued to set the switching rate for all the antennas for an MPR 19xx based unit Ant Ant4 each takes value in 01 FF denoting Ant1 100 MS Ant4 100 MS All default to 5 for 500 MS Example Command 0900 1D 05 03 05 03 xx xx Antenna Switch Rate is 500 MS for odd numbered antennas and 300 MS for even numbered antennas APPLIED wirELessip Confidential Page 25 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write RF Power Level Control 0x32 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 06 00 32 Index xx xx 00 or FF RF Power Level set through command 0x12 applies to both Read and Write operations this command can be issued to control RF Power Level specifically for Write operations If neither 0x12 nor this command has ever been issued the Write operation will use the system default of the maximum RF Power Level Example Command 06 00 32 00 xx xx Maximum Output Power 06 00 32 FF xx xx Minimum Output Power ACK 00 Command received correct FF Command received error Response None APPLIED wirELessip Confidential Page 26 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 Report Temperature Warning 0x
56. ed for the TryTimes parameter for the last three fall into this sub category and should be handled accordingly For these commands until a Stop is issued and responded to their execution is not terminated and another command system or tag type specific should not be issued as it most likely would produce undesirable outcome due to data flow disruptions It is recommended that applications on exiting always check if there s any Ongoing continuous tag reading activity and issue the essential Stop command if so before the actual exit Stop 0x00 FROM TO MSG Example _ACK RESPONSE Example Host Reader 00 00 This one byte 0x00 command is issued to stop the reader from executing and sending any more data generated by the previously issued command Example Command 00 ACK 00 Response None 4 Also a second Stop is advisable in these circumstances where the 1 Stop functions as described above and the 2 Stop ensures RF power s being turned off By the same token a good practice is to issue a Stop command after every command execution especially before a subsequent tag read write command as it basically achieves the tag re set effect APPLIED wirELessip Confidential Page 11 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 2 System Command 0x00 Firmware Version 0x00 MSG Example ACK RESPONSE Example Host Reader 05 00 00 xx xx 00 or FF 17 00 00 55 53 30 2D 76 3
57. ed word address value 0x00 OxFF WordCount 1 byte number 0x01 manufacturere s limit for specifying length in no of words of data to read TryTimes 0x00 Repeat until data retrieved or user sends a STOP command 0x00 0x01 OxFF Repeat until data retrieved or counter reaches the specified number of tries Example Command OA 20 6D 01 02 04 18 00 XX XX Where 03 memory bank 3 for user data 02 higher order byte value for integer word address 516 04 lower order byte value for integer word address 516 48 Data need to be shifted to left by 1 bit 3 Up to 27 words are supported per one Read Memory command execution APPLIED wirELessip Confidential Page 71 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 18 24 words 48 bytes of data to be retrieved 00 value for try attempts to try indefinitely until Stop is received ACK 00 Command accepted FF Command received in error Response 3A206D00000891 19A22AB33BC44C88800000000000000000000000000000000000000000000000000000000000 0000000000000C6F574A40XXXX where starting at the 4 byte is the 24 word data previously written After shifting 1122334455667788991 100000000000000000000000000000000000000000000000000000000000000000000000018DE AE9480 APPLIED wirELessip Confidential Page 72 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write High Capacity Memory 0x6F
58. epeat until write success or counter reaches the specified number of tries Example Command OF 20 OF 02 11 22 33 44 55 66 77 88 00 XX XX Where 02 to write starting at the 3 word 11 22 33 44 55 66 77 88 4 word data to write 00 try times ACK 00 Command received correct FF Command received error Response 06 FF OF 00 XX XX Write Success 06 FF OF 10 XX XX or 06 FF OF FF XX XX Write Fail 06 FF OF 80 XX XX 3 A manufacturer dependent upper limit applies up to 20 words are supported per one command execution APPLIED wirELess ip Confidential Page 51 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 WriteTime Out when TryTimes is 0x01 0xFF APPLIED wirELessip Confidential Page 52 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read Single Tag ID with Time Out 0x10 I FROM TO MSGExample ACK RESPONSE Example Host Reader 06 20 10 TryTimes xx 00 or FF XX 15 20 10 30 00 30 00 21 41 60 CO 04 00 10 00 0115 yy yy xx XX 11 20 10 20 00 30 00 21 41 60 CO 04 00 yy yy xx xx or 06 FF 10 80 xx xx This command provides the ability to read the first ePC C1 Gen 2 tag in the reading field with a specified number of tries TryTimes 0x00 Repeat until read success or user sends a STOP command 0x00 0x01 OxFF Repeat until read success or counter reaches the number of tries Example Command 06 20 10 03 xx
59. epted for execution FF Command received in error 06 FF 76 00 XX XX Complete 06 FF 76 10 XX XX or 06 FF 76 FF XX XX Operation Fail 06 FF 76 80 XX XX Operation Time Out APPLIED wirELessip Confidential Page 84 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Read Memory with Mask 0x7D I FROM _ TO MSG Example ACK RESPONSE Example Host Reader NN 20 7D Mask 01 00 or FF ReadMemBank 12207D00000000 00 00 WordPtr WordCount 00 00 OE A9 99 OA 80 xx xx TryTimes xx xx or 06 FF 7D 80 xx xx OF 20 7D Mask 01 ReadMemBank WordPtr WordCount TryTimes xx xx This command provides the ability to read data from the specified memory bank of an ePC Class 1 Gen 2 tag in reading field that meets the selection criteria specified in Mask NN 1 byte packet length OF when MaskLength is zero or a value depending on how long the mask is or simply MaskLength plus fifteen Mask See beginning of section length is 5 length of actual mask data bytes 01 fixed ReadMemBank 1 byte number 0x00 0x03 for identifying memory bank to retrieve data from 0x00 to retrieve from the 8 byte data consisting of 4 byte kill code and 4 byte access code 0x01 EPC data 0x02 TID 0x03 data from user memory bank WordPtr 1 byte word number identifying position within memory bank to start reading from 0 denotes 1 word WordCount Number of words to read TryTimes 0x00 Repeat until read success or us
60. er sends a STOP command 0x00 Data need to be shifted to left by 1 bit A reasonable value has to be specified to ensure of retrieval E g if WordCount is gt 6 and ReadMemBank is 1 then the reader will simply time out if TimeOut gt 0 or return nothing if TimeOut 0 For User data ReadMemBank 3 up to 25 words can be retrieved in one command execution APPLIED Jit Confidential Page 85 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Example Command ACK Response 0x01 OxFF Repeat until read success or counter reaches the number of tries 11 20 7D 02 04 01 20 10 00 10 01 03 00 08 32 xx xx Where Or 11 packet length 20 protocol 7D command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 10 Mask Length of 16 bits 00 10 Mask value for bit mask 0000000000010000 01 fixed value 03 MemoryBank for user data 00 WordPtr start reading at 17 word 08 WordCount to read 8 words worth of data 32 TryTimes OF 20 7D 02 04 01 20 00 01 03 00 08 32 xx xx OF packet length 20 protocol 7D command 02 04 fixed value 01 MemoryBank for EPC 20 Starting bit position in EPC bank 10 Mask Length of zero 01 fixed value 03 MemoryBank for user data 00 WordPtr start reading at 17 word 08 WordCount to read 8 words worth of data 32 TryTimes
61. h ASCII encoding APPLIED wirELessip Confidential Page 31 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Configure 0x88 FROM_TO_ MSG Example ACK RESPONSE Example Host Reader 06 00 88 AntennaTotal xx xx 00 or FF 07 00 88 OF 00 xx xx or 07 00 88 00 FF xx xx This command can be issued to MPR 1914 to specify which antennas are enabled connected The response packet contains two status info bytes as illustrated below AntennaTotal 01 04 all contiguous antennas up to this one are enabled Example Command 06 00 88 03 XX XX ACK 00 Command accepted for execution FF Command received in error Response 07 00 88 07 00 xx xx 3 byte 88 denotes command code 4th byte 07 denotes status of detected antennas 3 and 5 byte 00 setting status or result of command execution Length Type Command Ant Detect Message CRC 16 of bytes 1 1 1 1 1 2 Description 0x07 0x00 0x88 bit 0 ANT1 0x00 Success bit 1 ANT2 OxFF Fail bit 2 ANT3 bit 3 ANT4 1 Good 0 No Good S Typically Good for when the numbered antenna is properly connected No Good otherwise APPLIED wirELessip Confidential Page 32 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 3 ISO 18000 6 Type B U Code HSL Command 0x11 This family of tags includes tags from Intermec s Intellitag family Philips
62. ied blocks Access Code is one defined through a previous Write Access Code command 2F N1 Variable1 byte packet length value depending on how long Mask and LockMask are or simply the number of Mask bytes and LockMask bytes plus fourteen 14 N2 Variable1 byte packet length 19 when MaskLength is zero or a value depending on how long Mask is or simply the number of Mask bytes plus fourteen 14 Mask See beginning of section length is 5 length of actual mask data bytes 01 fixed AccessCode 4 bytes Hex data APPLIED wirELessip Confidential Page 81 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 Read Lock 1 byte value to specify either the PermaLock or Read operation to be applied 0x00 for Read 0x01 for PermaLock BlockPtr Specifies starting address of block s for LockMask in units of 16 blocks e g a value of 0 for block 0 blocks 0 15 1 for block 16 blocks 16 31 and 2 for block 32 blocks 32 47 etc BlockRange Specifies the range of LockMask starting at BlockPtr and ending at 16 BlockRange 1 blocks from BlockPtr LockMask For PermaLock operation this parameter 2 or more bytes is to specify the bit pattern 1 bit per block for the actual permalock action to apply to the range of blocks given above It takes up at least 2 bytes for a minimum of 1 block The bits must be ordered from low to high i e if BloPtr 0 then 1 bit in LockMask refers to block 0 Each
63. iteria or briefly the Selection or the Mask is specified in the same way for all these pre selection capable commands and the corresponding byte sequence is described before the commands are introduced 02 fixed value 04 fixed value MemBank Memory Bank identifier 01 03 to which Mask applies 00 is Reserved for Future Use RFU and will be ignored if specified Pointer Address or starting point within the memory bank in bit position for the Mask E g if MemBank 01 then a Pointer value of 0x20 means the selection mask shall start at the 1 bit in byte EPC11 Value range 0 255 AWID APPLIED wireLess in Confidential Page 78 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 MaskLength One byte specification for length of selection mask in number of bits Mask The actual bit Mask in byte s for non zero MaskLength If MaskLength is not a multiple of 8 the mask should be right filled with O s to end on the byte boundary E g if MaskLength 06 and the actual mask data are 111111 for the 6 bits then Mask should be specified as a byte of value FC in hex for bit mask 11111100 No need to specify if MaskLength is zero Lock Memory with Mask 0x75 Host Reader MSG Example NN 20 75 Mask 01 AccessCode MemoryPosition LockAction TryTime xx XX OF 11 20 75 Mask 01 AccessCode MemoryPosition LockAction TryTime xx XX ACK RESPONSE Example 00 or FF 15 20 5E 3
64. onfidential Page 13 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 RF Power ON 0x05 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 05 00 05 xx xx 00 or FF This is the command to turn on the RF Power of the MPR device Example Command 05 00 05 XX XX ACK 00 Command received correct FF Command received error Response No There is no need to explicitly turn on the RF power before issuing a Read or Write command which automatically turns on the RF power This command is only useful in generating CW APPLIED wirELessip Confidential Page 14 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 RF Power OFF 0x06 I FROM TO MSGExample___ ACK RESPONSE Example Host Reader 05 00 06 xx xx 00 or FF Example Command 05 00 06 XX XX ACK 00 Command received correct FF Command received error Response No APPL Li Confidential Page 15 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Reader Status 0x0B FROM TO MSG Example ACK RESPONSE Example Host Reader 05 00 OB xx xx 00 or FF 19 00 OB 00 24 00 09 01 FF FF FF FF FF FF FF FF FF FF 04 04 FF FF 00 xx xx This is the command to retrieve current system settings for the reader All except for protocol data rate and frequency related fields are user settable Example Command 05 00 0B XX XX ACK 00 Command re
65. onse 06 FF 5F 00 xx xx Write Succes 06 FF 5F 80 xx xx Write Time Out 5 306 FF 5F 10 xx xx or 06 FF 5F FF xx xx Write Fail APPLIED wirELessip Confidential Page 42 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 5 4 EPC Class 1 Generation 2 Command 0x20 This section and next list commands supported for the EPC Class 1 Generation 2 protocol For those Tag ID specific commands 0x00 0x10 0x11 0x1E Ox5E etc that result in Tag ID s i e EPC Number s reported back in response s the 2 byte Protocol Code PC is always preceding the Tag ID EPC Number bytes and the actual length in number of words of Tag ID EPC Number can be obtained by extracting the number constituted by the first 5 bits of the first PC byte In examples below PC code with value 0x30 in first byte yields 6 words e 12 bytes or 96 bits as EPC Number s length Read Single Tag ID 0x00 FROM MSG Example ACK RESPONSE Example Host Reader 05 20 00 xx xx 00 or FF 15 20 00 30 00 30 00 21 41 60 CO 04 00 10 00 01 15 yy yy xx XX Or 11 20 00 20 00 30 00 21 41 60 CO 04 00 yy yy xx xx This command provides the ability to read single ePC Class 1 Gen 2 tag ID in the reading field Example Command 05 20 00 XX XX ACK 00 Command received correct FF Command received error Response 15 20 00 30 00 30 00 21 41 60 CO 04 00 10 00 01 15 yy yy xx xx Where 30 00 21 41 60 CO 04 00 10 00 01 15 ePC Numbe
66. r 30 00 preceding ePC number Protocol Code PC yy yy tag CRC bytes or 11 20 00 20 00 30 00 21 41 60 CO 04 00 wy yy xx xx Where 30 00 21 41 60 CO 04 00 ePC Number 20 00 preceding ePC number Protocol Code PC yy yy tag CRC bytes This command will repeat until user sends a STOP command 0x00 APPLIED wirELessip Confidential Page 43 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write ID 0x03 I FROM TO MSG Example ACK RESPONSE Example Host Reader OE 20 03 ePCNumber 00 or FF TryTimes xx xx 06 FF 03 00 xx xx or 06 FF 03 10 xx xx 12 20 03 ePCNumber 06 FF 03 80 xx xx TryTimes xx xx 06 FF 03 FF xx xx This command provides the ability to program the ePC number as tag s ID into ePC Class 1 Gen 2 tag s memory It does a Read after Write to verify the status ePC Number 8 or 12 bytes Hex data TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 0xFF Repeat until write success or counter reaches the specified number of tries Example Command OE 20 03 01 02 03 04 05 06 07 08 03 xx xx Where 01 02 03 04 05 06 07 08 ePC number 03 Number of Trying Time Or 12 20 03 30 00 21 41 60 CO 04 00 10 00 01 16 00 xx xx Where 30 00 21 41 60 CO 04 00 10 00 01 16 ePC number 00 TryTimes ACK 00 Command received correct FF Command received error Response a Number of Tries is 0x00 06 FF 03 00 XX XX
67. requency hopping is on 0x00 Fixed 0x01 Hopping Byte 6 ISO 18000 6 Type B Channel sensitivity setting 0x00 OxFF Byte 7 ISO 18000 6 Type B Channel Q sensitivity setting 0x00 OxFF Byte 8 N A Byte 9 N A Byte 10 N A Byte 11 N A Byte 12 N A Byte 13 N A Byte 14 N A Byte 15 N A APPLIED wirELessip Confidential Page 17 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Byte 16 RF Power level setting 0x00 OxFF Byte 17 Write RF Power level setting 0x00 OxFF Byte 18 ePC C1 Gen 2 Channel sensitivity setting 0x00 OxFF Byte 19 ePC C1 Gen 2 Channel Q sensitivity setting 0x00 OxFF Byte 20 System Flag Bit 0 N A Bit 1 N A Bit 2 Antenna Switch 0 Disabled 1 Enabled Bit 3 Antenna Source 0 Disabled 1 Enabled Bit A N A Bit 5 N A Bit 6 N A Bit 7 N A APPLIED wirELessip Confidential Page 18 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Antenna Select 0x0D I FROM TO MSG Example ACK RESPONSE Example _ Host Reader 06 00 OD Number xx xx 00 or FF 06 FF OD 00 xx xx or 06 FF OD 10 xx xx This command can be issued to a MPR 19xx based reader module to select the specified antenna by Number during operation when the Antenna Switch toggle capability is disabled A 6 byte status message is responded by reader upon executing this command see example below
68. simply time out For User data ReadMemBank 3 up to 25 words can be retrieved in one command execution 4 After shifting 112233445566778899001 12233445566778899001 12233445566778899005E25500A01 APPLIED wirELessip Confidential Page 56 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 03 memory bank 3 for user data 00 starting word address 17 word 08 8 words 16 bytes of data to be retrieved ACK 00 Command accepted FF Command received error Response 1A 20 1D 1111 11 141111114 11 11 11 22 22 22 22 00 00 52 16 D3 A1 00 xx xx Where user data of 10 bytes 5 words of 22 s and 4 bytes 2 words of 44 s were previously written After shifting data should be 22 22 22 22 22 22 22 22 22 22 44 44 44 44 00 00 A4 2D A7 42 in response before shifting 16 D3 were the handle bytes A1 00 tag CRC s and byte preceding handle w value 52 was used up by shifting APPLIED wirELessip Confidential Page 57 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Portal IDs 0x1E I FROM _ TO MSGExample____ ACK RESPONSE Example Host Reader 07 20 1E TimeOut 00 or FF Repeat xx xx 15 20 1E 30 00 00 01 08 15 80 00 80 04 28 19 53 88 yy yy XX XX OF 06 FF 1E 80 xx xx This command provides the ability to read multiple ePC Class 1 Gen 2 tags present in the reading field It provides the automatic RF Power Off function thereby optimizes performance in
69. tains desired per block permalock action for the specified blocks Access Code is one defined through a previous Write Access Code command 2F NN For PermaLock the variable1 byte packet length value depending on how long LockMask is or simply the number of LockMask bytes plus thirteen 13 AccessCode 4 bytes Hex data Read Lock 1 byte value to specify either the PermaLock or Read operation to be applied 0x00 for Read 0x01 for PermaLock BlockPtr Specifies starting address of block s for LockMask in units of 16 blocks e g a value of 0 for block 0 blocks 0 15 1 for block 16 blocks 16 31 and 2 for block 32 blocks 32 47 etc BlockRange Specifies the range of LockMask starting at BlockPtr and ending at 16 BlockRange 1 blocks from BlockPtr LockMask For PermaLock operation this parameter 2 or more bytes is to specify the bit pattern 1 bit per block for the actual permalock action to apply to the range of blocks given above It takes up at least 2 bytes for a minimum of 1 block The bits must be ordered from low to high i e if BloPtr 0 then 1 bit in LockMask APPLIED wirELessip Confidential Page 75 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 refers to block 0 Each bit will be interpreted as follows 0 no change in current permalock setting for corresponding block 1 apply permalock if already permalocked no change Do not specify this parameter for Read
70. the RF session and go into the IDLE state APPLIED wirELessip Confidential Page 90 of 94 9 11 2013 AWID MPR Serial Communication Protocol III 9 11 2013 6 Appendix 6 1 Data Flow Included in this section are diagrams illustrating possible exchanges between an application and the MPR device 1 Commands that repeatedly execute and generate continuous multiple responses until STOP is received Ds Portal IDs Single Tag Meter Read Single Tag ID Time User Application It should be noted that after an extensive long period of execution of such a command response data may sometimes get out of sync So some re synchronization and recovery of data may be necessary for some applications In addition to check for valid response packet length 1 byte and calculate the Receive Link CRC s sec 4 2 command code e g 0x1E for Portal IDs that s supposed to be the 3 byte in packet and or protocol code gn byte in packet if applicable This is more likely in TCP IP networks APPLIED wirELess ip Confidential Page 91 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 2 Commands that repeatedly execute and generate 1 response of either tag ID data or execution result message until STOP is received or timed out Write ID Read N Blocks Data Read Single Tag ID with Time Out Time User Application APPLIED wirELessip Confidential Page 92 of 94 9 11 2013 AW I
71. ts a time out when counter reaches value of TryTimes and no good data obtained APPLIED wireLessiov Confidential Page 41 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Write Bulk Data 0x5F I FROM TO MSGExample___ ACK RESPONSE Example Host Reader NN 11 5F TagID 00 or FF StartAddress BulkData 06 FF 5F 00 xx xx TryTimes xx xx 06 FF 5F 10 xx xx 06 FF 5F 80 xx xx 06 FF 5F FF xx xx This command provides the ability to write large amount of data of variable length up to 216 bytes to an ISO 18000 6 Type B Tag starting at the specified address NN 1 byte packet length value depending on much BulkData is to be written i e 15 length bytes of BulkData TagID 8 byte ID of the ISO 18000 6B tag StartAddress Ox08 OxFF 1 byte Hex data of starting address at which data are to be written BulkData the bulk of data bytes to write TryTimes 0x00 Repeat until write success or user sends a STOP command 0x00 0x01 0xFF Repeat until write success or counter reaches the number of tries Example to write 168 bytes of data Command B7 11 5F EO 04 DB 2F C9 00 00 00 08 lt bulk data gt 00 xx xx Where B7 183 15 length of lt bulk data gt 168 EO 04 DB 2F C9 00 00 00 tag ID 08 StartAddress lt bulk data gt 168 bytes of data to be written 00 number of tries ACK 00 Command accepted for execution FF Command received in error Resp
72. ult to 0 When system wide RF Power Level Control is set all antennas will have the same setting as the system wide RF Power Level until this command is issued Example Command 09 00 62 C8 DC C8 DC xx xx Power Level is set to C8 200 for Antenna 1 and 3 and DC 220 for Antenna 2 and 4 16 Execution of this command requires longer time for setting up the RF power for each antenna so some delay e g 100ms is recommended before sending the next command to reader APPLIED wirELessip Confidential Page 30 of 94 9 11 2013 AW ID MPR Serial Communication Protocol III 9 11 2013 Soft Reset 0x80 FROM TO _ MSG Example ACK RESPONSE Example 69 69 41 57 49 44 20 4D 50 52 2D 31 39 31 30 20 56 32 2E 30 41 20 55 48 46 20 4D 4F XX XX Host Reader 05 00 80 xx xx 00 or FF Upon receiving this command in one second the MPR will reset itself by clearing all buffers and start from the beginning Example Command 05 00 80 XX XX ACK 00 Command received correct FF Command received error Response 69 69 41 57 49 44 20 4D 50 52 2D 31 39 31 30 20 56 32 2E 30 41 20 55 48 46 20 4D 4F XX XX The greetings message in form of iiAWID MPR 1910 V2 0A UHF MODULE 30 32 bytes is sent back by the reader Note that it is not exactly a response to this particular command as for all other commands the 1 byte should not be interpreted as the total length of the packet and the whole packet should just be converted throug

MPR Serial Communication Protocol

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