Rdr_to_pc_escape, Buzzer, Get firmware version – ACS ACR33U-A1 SmartDuo Smart Card Reader User Manual
Page 24

ACR33U-A1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 24 of 60
8.2.4.
RDR_to_PC_Escape
This message is sent by ACR33U-A1 in response to PC_to_RDR_Escape
Offset
Field
Size
Value Description
0
bMessageType
1
83h
-
1
dwLength
4
-
Size of abData field of this message
5
bSlot
1
-
Same value as in Bulk-OUT message
6
bSeq
1
-
Same value as in Bulk-OUT message
7
bStatus
1
-
Slot status register as defined in CCID
Section 4.2.1
8
bError
1
-
Slot error register as defined in CCID
Section 4.2.1
9
bRFU
1
00h
RFU (TPDU exchange level)
10
abData
Byte
array
-
This field contains the data returned
by the CCID
8.2.4.1. LED
This message is sent by ACR33U-A1 in response to PC_to_RDR_Escape
Offset
Field
Size
Value Description
10
bcmdCode
1
81
-
11
wcmdLength
2
0000
-
13
abStatus
2
00XX
XXh for SW2:
00h: Success
01h: Bad parameter
8.2.4.2. BUZZER
This message is sent by ACR33U-A1 in response to PC_to_RDR_Escape Buzzer messages.
Offset
Field
Size
Value Description
10
bcmdCode
1
88h
-
11
wcmdLength
2
0000h
-
13
abStatus
2
00XXh
XXh:
00h: Success
01h: Bad parameter
8.2.4.3. Get Firmware Version
This message is sent by ACR33U-A1 in response to PC_to_RDR_Escape
messages.
Offset
Field
Size
Value Description