ACS AET62 NFC Reader with Fingerprint Sensor - Manual (Page 19)

7.0. Pseudo-APDUs
Pseudo-APDUs are used for the following:
 Exchanging Data with Non-PCSC Compliant Tags.
 Retrieving and setting the reader parameters.
 The Pseudo-APDUs can be sent through the “AET62 PICC Interface” if the tag is already
connected.
 Or the Pseudo-APDUs can be sent by using “Escape Command” if the tag is not presented
yet.
7.1. Direct Transmit
This is the Payload to be sent to the tag or reader.
Command Class INS P1 P2 Lc Data In
Direct
Transmit
0xFF 0x00 0x00 0x00
Number
of Bytes
to send
Payload
Table 30: Direct Transmit Command Format (Length of the Payload + 5 Bytes)
Lc: Number of Bytes to Send (1 Byte)
Maximum 255 bytes
Data In: Response
Response Data Out
Direct Transmit Response Data
Table 31: Direct Transmit Response Format
7.2. Bi-Color LED Control
This APDU is used to control the states of the Bi-Color LED.
Command Class INS P1 P2 Lc
Data In
(4 Bytes)
Bi-Color
LED
Control
0xFF 0x00 0x40 LED
State
Control
0x04 Blinking
Duration
Control
Table 32: Bi-Color LED Control Command Format (9 Bytes)
P2: LED State Control
CMD Item Description
Bit 0 Final Red LED State 1 = On; 0 = Off
Bit 1 Final Green LED State 1 = On; 0 = Off
Bit 2 Red LED State Mask
1 = Update the State
0 = No change
Bit 3 Green LED State Mask
1 = Update the State
0 = No change
Bit 4 Initial Red LED Blinking State 1 = On; 0 = Off
Bit 5 Initial Green LED Blinking State 1 = On; 0 = Off
Bit 6 Red LED Blinking Mask
1 = Blink
0 = Not Blink
Bit 7 Green LED Blinking Mask
1 = Blink
0 = Not Blink
Table 33: Bi-Color LED Control Format (1 Byte)
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