Emsa HS500E Car Stereo System User Manual


 
CHAPTER 3: RFID COMMANDS
C OMMAND 05:
F ILL T AG
DESCRIPTION
Command 05 is used to instruct the HS500E to write a particular data byte value to
all specified contiguous areas of tag memory beginning at the Start Address.
EXAMPLE
In this example, the HS500E will write the ASCII character “D” (0x44) to 8-bytes of
tag memory starting at address 0x0001. The Timeout value is set for 5 seconds
(0x0032 = 50 decimal, 50 x .10 = 5 seconds) for the completion of this command.
Command 05: Fill Tag – Command Structure
Field Name MSB LSB Word Value
Overall Length 00 06 0006
[0xAB] + Command ID Number: 0x05 AB 05 AB05
MSB = Data Byte Value used for the fill.
LSB = Node ID # (always 0x01)
44 01 4401
Timeout Value: (5 seconds = .10 seconds x 50) 00 32 0032
Start Address 00 01 0001
Fill Length 00 08 0008
Command 05: Fill Tag – Response Structure
Field Name MSB LSB Word Value
Overall Length 00 06 0006
MSB =RF Error Counter
LSB = Command ID Echo
00 05 0005
MSB = Instance Counter
LSB = Node ID Echo
01 01 0101
RF Time XX XX XXXX
MSB = RF Retry Counter
LSB = Reserved
01 00 0100
Total Time TT TT TTTT
HS500E – OPERATOR’S MANUAL P/N: 17-1305 REV02 (12-05)
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