ACS ACR1281U-C8, Programming Manual

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ACR1281U-C8 – Application Programming Interface
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Page 27 of 52
4.4. ACR120_TxDataTelegram
Sends data to the Mifare® Chip.
High Level API :
DLLAPI INT16 AC_DECL
ACR120_TxDataTelegram(INT16 hReader,
UINT8 SendDataLength,
UINT8* pSendData
UINT8* pReceivedDataLength,
UINT8* pReceivedData);
Parameters Description
hReader Handle to the reader returned by AC_Open()
SendDataLength (N) Length of data to be sent
pSendData Data to be sent
pReceivedDataLength (K) Length of received data
pReceivedData Received data
Return Value INT16 Result code. 0 means success.
Table 19 : ACR120_TxDataTelegram Command Description
Low Level Frame Structure:
Command: From PC to Reader (N+5 bytes)
Command Code
(1 Byte)
Command Data Length
(2 bytes)
Instruction Code
(1 byte)
Data Length
(1 byte)
Data
(N bytes)
E0h N+0002h 16h N SendData
Response: From Reader to PC (K+5 bytes) <<Success >>
Response Code
(1 byte)
Response Status
(2 bytes)
Response
Data Length
(2 bytes)
Response Data
(K bytes)
E1h INT16 (>=0) Kh pReceivedData