Rs232 Interface; Mcbsp Interface; Signal Input; 16-Bit Digital Input - Scanlab RTC 5 PC Interface Board Installation And Operation Manual

9.1.6 RS232 Interface

The "RS232" connector provides an RS232 interface
(see page 51). The interface can be configured via
rs232_config. rs232_write_data
send single data words (bytes) to the RS232
interface. Texts can be sent to the interface via
rs232_write_text or rs232_write_text_list.

9.1.7 McBSP Interface

The McBSP interface at the "SPI / I2C" connector
permanently outputs a 32-bit data word every 10 µs
(see page 52). The set_mcbsp_out
set_mcbsp_out_ptr commands (like set_trigger)
allow selection of the signal types to be outputted at
this interface:
• The command set_mcbsp_out
two signal types for simultaneous output at the
McBSP-interface. A 16-bit portion of the first
signal type will be packed along with a 16-bit
portion of the second signal type into a 32-bit
data word for output every 10 µs (for a detailed
description, see set_mcbsp_out).
• The command set_mcbsp_out_ptr
define a list of up to 8 signal types. The signals are
outputted sequentially in the specified order. For
every 10 µs clock cycle, the lower 24 bits of the
corresponding data signal and the associated
signal type number (8 bits) are packed into a 32-
bit data word and outputted at the McBSP
interface (for a detailed description, see
set_mcbsp_out_ptr).
Notes
• The signals and operating conditions of the
McBSP interface are presented on
• In the default setting, the McBSP interface always
outputs bits #4-19 of the cartesian control values
for the X and Y axes (SampleX and SampleY) in a
common 32-bit data word. This is equivalent to
specifying set_mcbsp_out(7, 8).
set_mcbsp_out
• Signals specified via
set_mcbsp_out_ptr will be outputted (possibly
sequentially) until you call one of these two
commands again.
®
RTC 5 PC Interface Board
Rev. 1.9 e
9 Programming Peripheral Interfaces

9.2 Signal Input

Signals of peripherals (e.g. signals of a transport
system, workpiece recognition system or process
can be used to
monitoring camera) can be queried via the interfaces
described below through control commands at any
desired time or – during processing of a list – with list
commands.

9.2.1 16-Bit Digital Input

The EXTENSION 1 connector provides a 16-bit digital
TTL input (DIGITAL IN0 ... 15) (see
and
receiving 16-bit digital values. For synchronization of
data transmission, the EXTENSION 1 connector also
provides a SYNC signal.
The read_io_port
lets you specify
read_io_port_list
current value of the digital input port.
Further commands are provided for conditional
command execution (see
9.2.2 2-Bit Digital Input
lets you
For querying 2-bit digital values, the LASER connector
provides a 2-bit digital input (DIGITAL IN1 and
DIGITAL IN2, see
via get_laser_pin_in.
Further commands are provided for conditional
command execution (see
page 52.
or
page 49) for
or read_io_port_buffer and
commands can be used to read the
page 213).
page 46). Its input value can be read
page 213).
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