Acr120_Write; Table 23: Acr120_Write Command Description - ACS ACR1281U-C8 Programming Manual

5.4.

ACR120_Write

Writes a block.
High Level API:
DLLAPI INT16 AC_DECL
ACR120_Write(
Parameters
pblockData
Return Value
Low Level Frame Structure:
Command: From PC to Reader (22 bytes)
Command Code Command Data Length
(1 byte)
E0h
Response: From Reader to PC (21 bytes) <<Success>>
Respons
e Code
(1 byte)
E1h
Note: The Response Data (BlockDataStored) is used for comparison only.
Or
Response: From Reader to PC (5 bytes) << Fail>>
Response Code
ACR1281U-C8 – Application Programming Interface
Version 1.00
INT16 hReader,
UINT8 Block,
UINT8 pBlockData[16]);
hReader Handle to the reader returned by AC_Open()
Block Block number
Contains the data read. It is
AC_MIFARE_DATA_LEN(16) bytes long.
INT16

Table 23: ACR120_Write Command Description

(1 byte)
13h
Response Status
(2 bytes)
INT16 (>=0)
Response Status
(1 byte) (2 bytes)
E2h INT16 (<0)
Description
Result code. 0 means success.
Instruction Code Data Length
(1 byte) (1 byte)
0Ah
Response Data
length
(2 bytes)
0010h
Response Data Length
(2 byes)
Data
(1 byte) (16 bytes)
11h Block pBlockData
Response Data
(16 bytes)
BlockDataStored
0000h
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