Siemens SIMATIC RF1040R User Manual

Programming
6.2 Programming via USB interface
SIMATIC RF1000
Operating Instructions, 11/2019, C79000-G8976-C432-06
29
Parameter
Description
Status
• OK
• NOTAG_ERR
• HF_ERR
• HW_ERR
• CONFCARD_READ
You will find more information on the reader status in the section "Status
codes (Page 48)".
Return value
• BRP_OK
You will find more information on return values in the section "Return val-
ues (Page 35)".
6.2.1.9 vhl_get_snr
The function returns the serial number of the currently selected card. If the function
"vhl_select" could not be executed earlier or the card is no longer in the antenna field, the
value "CARD_NOT_SELECTED_ERR" (status code "0x0102") is returned. In this case, an
undefined serial number is returned. Note that the least significant byte of the serial number
is output first. For RF200/RF300 readers, the most significant byte is usually output first.
Function call
int
vhl_get_snr(
int Handle,
byte * Snr,
byte * Length,
int * Status
);
Table 6- 11 Description of the parameters
Parameter
Description
vhl_get_snr
The parameter returns the serial number of the currently selected card.
Handle
The session key returned by the function "brp_open_usb_session".
Snr
Serial number of the card (LSB first)
Length
Length of the serial number in bytes
Status
• OK
• CARD_NOT_SELECTED_ERR
You will find more information on the reader status in the section "Status
codes (Page 48)".
Return value
• BRP_OK
• CARD_NOT_SELECTED_ERR
You will find more information on return values in the section "Return val-
ues (Page 35)".

Siemens SIMATIC RF1040R Specifications

General

Brand	Siemens
Model	SIMATIC RF1040R
Category	Industrial Equipment
Language	English