4-76
SCORE is an integer that has a range of ‘000’ –
‘100’
NAK means command format error or checksum error.
For the host to verify against the template saved on its disk, it should
issue ESC L command first to download the template to the MR350
MKII reserved file $FP.DNL and then issue ESC $H command to
verify the fingerprint if ESC L command is successful.
ESC $I Verify ID ()
The command requests to verify the fingerprint against the
template(s) with the specified ID stored on MV1100.
==> STX ESC $I xxxxxxxxxx CS1 CS2 ADDR
<== STX ESC $I RESULT < , INDEX , SCORE > CS1 CS2
ETX
or
<== NAK
xxxxxxxxxx ;template ID
RESULT = ‘0’ ;success
= ‘1’ ;fail
= ‘2’ ;busy
= ‘3’ ;timeout
If RESULT = ‘0’, MR350MKII will response with
INDEX and SCORE fields:
INDEX is the index of the matched template that
has an range of ‘000’ – ‘255’
SCORE is an integer that has a range of ‘000’ –
‘100’
NAK means command format error or checksum error.
ESC $L Download Template
The command downloads the template from the MR350 reserved file
$FP.DNL to MV1100 and stores the template in MV1100 flash
memory .
==> STX ESC $L CS1 CS2 ADDR
<== STX ESC $L RESULT CS1 CS2 ETX
or
<== NAK
RESULT = ‘0’ ;success