ACS ACR1281U-C8, Programming Manual

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ACR1281U-C8 – Application Programming Interface
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3.5. ACR120_ReadRC531Reg
Reads the Mifare® register.
High Level API:
DLLAPI INT16 AC_DECL
ACR120_ReadRC531Reg(INT16 hReader,
UINT8 RegNo,
UINT8* pValue);
Parameters Description
hReader Handle to the Reader returned by AC_Open()
RegNo Register number
pValue Mifare® register’s value
Return Value INT16 0 = success; Error Code < 0
Table 6 : ACR120_ReadRC531Reg Command Description
Low Level Frame Structure:
Command: From PC to Reader (6 bytes)
Command Code
(1 byte)
Command Data Length
(1 bytes)
Instruction Code
(1 byte)
Data Length
(1 byte)
Data
(1 byte)
E0h 03h 19h 01h RegNo
Response: From Reader to PC (6 bytes) << Success or Fail >>
Response Code
(1 byte)
Response Status
(2 bytes)
Response Data Length
(2 bytes)
Response Data
(1 byte)
E1h INT16 0001h pValue