iDTRONIC R-DT-EVO-TEMIC-USB, Быстрый старт, Страница: 6 / 7

Polling Communication Protocol
Page 6 of 7 EVO Readers
3 Polling
3.1 Software Version Request
STX ADDP1 ADDP2 “2” ETX BCC where
“2” polling of request version.
If the polling message is correctly received, the electronic board answers as follow:
STX ADDP1 ADDP2 “2” <VVVVVVVVVVVVVVVV> ETX BCC
<VV..VV> alphanumeric text of 16 characters (at the moment “A& T5557 V.1.00”). “V.1.00” is the firmware version.
The default expiry timeout is 100 milliseconds
3.2 Reading Single EM4x02
Single UID reading of an EM4x02. (if the Tag is present in the reading area)
STX ADDP1 ADDP2 “3” < ENCODING > ETX BCC
“3” command type 'Reading Single EM4x02’.
<ENCODING>
encoding type from 0 to 1. 0 – Apromix
If the polling message is correctly received, the electronic board answers as follow:
STX ADDP1 ADDP2 “3” “U” <CODE> ETX BCC where
<CODE> string of 10 characters - the UID tag.
The default expiry timeout is 100 milliseconds
3.3 Standard Block Reading
This command allows you to read a single block when the PWD tag is set to “0”.
STX ADDP1 ADDP2 “4” <PAGE> <ADDR> ETX BCC
“4” command type ‘Standard Block Reading’.
<PAGE>
string of 1 character, page belongs to the block to read, valid values from “0”to“1”
<ADDR> string of 1 character, block to read, valid values from “0” to “7”
If the polling message is correctly received, the electronic board answers as follow:
STX ADDP1 ADDP2
“4” <DATA>
ETX BCC
ove <DATA> contents of the requested block.
The default expiry timeout is 100 milliseconds