Bourgogne ET Grasset SAS VEGRDE2 Manual De Usuario

Vegas Long Range Read/Write Device

27-07-2002

Vegrde3/EG

Confidentiality Level 1

Page 12 (48)

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3.3.1. GetSnr

This command provides the serial number of a data carrier.

Definition:

void proloc_GetSnr (DWORD *snr, char *more);

Serial protocol:

HOST - Read/Write Device

0x02 'G' 0x45

Read/Write Device - HOST

7 0 ------ 31 24

0x07 Status

Data[0]

------

Data[3] more

BCC

Note: More not equal zero (0) indicates that there is at least one additional data carrier in the

reading area of the read/write device.

Status:

0 ... no error

- 1 ...

SERIAL error

- 3 ...

NOTAG

3.3.2. SelectSnr

This command selects the data carrier with the specified serial number snr. If there is no such
data carrier in the field, a NOTAG error message is displayed.
In the case of errorfree execution the contents of page 1 (configuration) is saved in *otp.

Attention:

SelectSnr needs a preceding GetSnr. The serial number (snr) has to be the same as

received with the preceding GetSnr (see Chapter 12.4, Examples).

Definition:

void proloc_SelectSnr (DWORD snr, DWORD *otp);

Serial protocol:

HOST - Read/Write Device

7 0

......

31 24

0x06 'S' snr ...... ...... snr BCC

Read/Write Device - HOST

7 0 ------ 31 24

n Status

OTP-LSB