FingerVein Online
Installation and Programming Manual
Page
21 of 69
8.1.1. Serial port configuration
The serial ports have a different transmission capacity according to the programmed
mode:
• UART0 allows frames of up to 912 bytes in all cases
• UART1 allows frames of up to 912 bytes in transparent mode (configuration values
$88
to
$8C
), but only up to 48 bytes in the other modes.
• UART2 allows frames of up to 48 bytes.
The behaviour of the serial ports is defined from the
$1A, $1B
and
$1C
configuration
parameters:
Depending on the function associated to the port and baud rate, the values to be assigned
are detailed in the following table.
$20
Time, in tenths of a second, to indicate incorrect
reading with the red LED.
Refer to
$21
Time, in tenths of a second, to indicate correct
reading with the buzzing of the external beeper.
Refer to
$22
Time, in tenths of a second, to indicate incorrect
reading with the buzzing of the external beeper.
Refer to
$23
Reserved for future uses.
Table 2: RS-232 port configuration
No.
Description
Def.
$1A
CFG-UI_
HostSerialPort
Determines the protocol and Baud Rate assigned
to the UART0-UI. Refer to
$93
$1B
CFG-
UI_ReaderSeri
al-Port
Determines the protocol and Baud Rate assigned
to the UART1-UI. Refer to
$BB
$1C
CFG-
UI_AuxSerial-
Port
Determines the protocol and Baud Rate assigned
to the UART2-UI. Refer to
$F0