DataCard SR300 Bedienungsanleitung PDF herunterladen (Seite 11)

SR200 & SR300 Printer SDK Guide

Page 7

Printer Status Functions

You can use the following functions to retrieve printer status:

♦ Test Unit Ready Function

♦ Read Position Function

Test Unit Ready Function

No. Function Name Explanation

1 int CXCMD_TestUnitReady

(int iSlot, int iID)

Check the printer condition by issuing Test Unit

Ready command to the printer.

Read Position Function

No. Function Name Explanation

1 int CXCMD_ReadPosition

(int iSlot, int iID,

BYTE *pbyBuffer)

Retrieve the card position by issuing Read Position

command to the printer. The data is set at pbyBuffer.

Data Format for the Read Position Function

Bit

Byte

7 6 5 4 3 2 1 0

Reserved

PU*

Reserved

Load

Mode**

From 2 to 6

Reserved

7 Position***

The following are possible values in the pbyBuffer data returned:

*PU (Position Unknown) values can be:

0: A card is in the printer unit.

1: No card is in the printer unit.

The printer reports PU = 1 if cards are only in the card hopper. The printer

generates a Check Condition if it is transporting the card.

**Load Mode is the way to load the card, and can be:

0 From the card tray

***Position is the card position in the printer unit, and can be:

0 At Retransfer Position

1 At Contact IC Encoder

2 At No-Contact IC encoder

3 At MAG encoder

Greater than 3 Reserved

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 75 76

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