ALTUS Nexto Series User Manual

5. CONFIGURATION
Receive.DONE;
Receive.EXEC;
Receive.ERROR;
Status := Receive.STATUS; //If it is necessary to treat the error.
Receive.RX_RECEIVED;
Receive.RX_REMAINING;
5.12.1.7. SERIAL_RX_EXTENDED
This function block is used to receive a serial port buffer using the RX queue extended mode as shown in the Serial
Interfaces Configuration section.
Figure 145: Block Used for Reception Buffer Reading
Input parameters Type Description
REQUEST BOOL
This variable, when true, enables the func-
tion block use.
PORT SERIAL_PORT
Select the serial port, as described in the
SERIAL_PORT data type.
RX_BUFFER_
POINTER
POINTER TO SE-
RIAL_RX_CHAR
_EXTENDED
Pointer of a SE-
RIAL_RX_CHAR_EXTENDED array to
receive the buffer values.
RX_BUFFER_
LENGTH
UINT
Specify the expected character number
in the SERIAL_RX_CHAR_EXTENDED
array. In case more than the expected bytes
are available, only the expected quantity
will be read from the byte array, the rest
will be leaved in the RX queue (maximum
size equal to 1024 characters).
RX_TIMEOUT UINT
Specify the time-out to receive the ex-
pected character quantity. In case it is
smaller than the necessary to receive the
characters, the RX_TIMEOUT_ERROR
output from the STATUS parameter will be
indicated. When the specified value, in ms,
is equal to zero, the function will return the
data within the buffer.
Table 183: SERIAL_RX_EXTENDED Input Parameters
245

ALTUS Nexto Series Specifications

General

Brand	ALTUS
Model	Nexto Series
Category	Computer Hardware
Language	English