SERIAL_PORT

SERIAL_PORT N,P

DEFINES THE PORT NUMBER FOR THE SERIAL LINK NUMBER N

  • Type: Command
  • Parameters: 2
  • Group: Input-Output

ACTION

The command SERIAL_PORT N, P defines the port number P for the serial link number N.

P must be between 1 to 10.

SYNTAX: SERIAL_PORT N, P

  • N = system object number (integer or real). Must be greater than 0 and less than or equal to the allowed maximum number of system objects.
  • P = port number (integer or real).

USE

  • The command SERIAL_PORT is used to define the port number of a serial link.

ERROR

  • If number N is not a correct expression.
  • If number N is greater than 10.
  • If number N is less than 0.
  • If system object number N does not exist.
  • If system object number N is not of the type : SERIAL.
  • If value P is not a correct expression
  • If the value P is not one of the following value : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.

EXAMPLE

label received

rem create object for serial link

serial 1

rem configuration of serial link

serial_port 1,3

serial_baudrate 1,1200

serial_databits 1,8

serial_stopbits 1,1

serial_parity 1,0

serial_open 1

rem if data received

on_receive 2,received

rem transmission

serial_write 1,"A"

end

received:

print serial_read$(1)

return

SEE ALSO

SERIAL

SERIAL_BAUDRATE

SERIAL_STOPBITS

SERIAL_DATABITS

SERIAL_PARITY

SERIAL_OPEN

SERIAL_CLOSE

SERIAL_WRITE

ON_RECEIVE

SERIAL_PORT_EXISTS()

SERIAL_READ$()