ACS ACR89U-A1, Reference Manual

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ACR89U-A1 – Reference Manual
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Page 39 of 57
4.1.3.4. DISPLAYSTATUS
typedef struct _DISPLAY_STATUS {
BYTE cbRowPosition;
BYTE cbColumnPosition;
} DISPLAYSTATUS, *PDISPLAYSTATUS;
Returned by AS_SetLcdCursor , AS_SetLcdBacklight , AS_SetLcdDisplayGraphics
AS_SetLcdDisplayMessage , AS_SetLcdSetContrast and AS_ClearLcdDisplay .
Data Member Value Description
cbRowPosition 0 - 7 Current cursor row position
cbColumnPosition 0 - 127 Current cursor column position
4.1.3.5. DATABLOCK
typedef struct _DATA_BLOCK {
USHORT wDataLen;
PBYTE pDataBlock;
} DATABLOCK, *PDATABLOCK;
Returned by nangi , contains the data returned by those functions.
Data Member Value Description
wDataLen
-
The length of the size of pDataBlock before
command execution. Stores the length of returned
data block after command execution in ACR89.
pDataBlock -
The data to input to a command or the data returned
by ACR89.
4.1.4. Reader Shared Command/Response Data Structures
4.1.4.1. TIMESTAMP
typedef struct _TIMESTAMP {
CHAR szRTCValue[6];
} TIMESTAMP, *PTIMESTAMP;
Used in
AS_ReadRTC and AS_SetRTC to retrieve or set the value of the run time clock of the
ACR89.
Data Member Value Description
szRTCValue[0]
00 – 99 Year (short format)
szRTCValue[1]
1 – 12 Month
szRTCValue[2]
1 – 31 Day
szRTCValue[3]
1 – 23 Hours
szRTCValue[4]
0 – 59 Minutes
szRTCValue[5]
0 - 59 Seconds