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ACR33U-A1 – Reference Manual [e-mail]
Version 1.02
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Page 19 of 60
8.1.7. PC_to_RDR_Escape
Defines and access extended features.
Offset Field Size Value Description
0
bMessageType
1 6Bh -
1
dwLength
4 -
Size of abData field of this message
5
bSlot
1 00-05h
Identifies the slot number for this
command
6
bSeq
1 00-FFh Sequence number for command
7
abRFU
3 - Reserved for future use
10
abData
Byte
array
- Data block sent to the CCID
8.1.7.1. LED
Offset Field Size Value Description
10
bcmdCode
1 01h -
11
wcmdLength
2 0001h -
13
abRFU
2 - Reserved for future use
15
abData
1
00000
XYZb
00000xxx for 3 LED,
XYZ: 000 => 3 LEDs off
XYZ: 001 => LED1 on, green for 1 Sec
XYZ: 010 => LED2 on, red for 1 Sec
XYZ: 100 => LED3 on, blue for 1 Sec
The response to this command message is the RDR_to_PC_Escape response message.
8.1.7.2. BUZZER
Offset Field Size Value Description
10
bcmdCode
1 08h -
11
wcmdLength
2 0001h -
13
abRFU
2 - Reserved for future use
15
abData
1 XXh
XX for buzzer on or off,
YZ: 5A = buzzer on for 1 Sec
YZ: A5 = buzzer off
The response to this command message is the RDR_to_PC_Escape response message.