sendCTRL

      Sets control surface information on the specified aircraft.

In the C client, the psendCTRL function omits the ac parameter and sets the control information of the player aircraft.

In other clients, the ac parameter is optional and defaults to 0 (the player aircraft).

Syntax

Language	Signature
C	int sendCTRL(XPCSocket sock, float values[], int size, char ac)
MATLAB	sendCTRL( values, ac, socket )
Java	void sendCTRL(float[] values, int ac)
Python	sendCTRL(self, values, ac = 0)

Parameters

sock (C): The socket used to send the command.

values: The control surface values to set. values is a array containing up to 6 elements. If less than 6 elements are specified or any elment is set to -998, those values will not be changed. The elements in values corespond to the following:

• Latitudinal Stick [-1,1]
• Longitudinal Stick [-1,1]
• Rudder Pedals [-1, 1]
• Throttle [0, 1]
• Gear (0=up, 1=down)
• Flaps [0, 1]

size (C): The number of elements in values.

ac: The aircraft to set the control surfaces of. 0 is the main/player aircraft.

socket (MATLAB): An optional reference to a socket opened with openUDP that should be used to send the command.

Return value

C: A negative value if an error occurs, otherwise 0.

Exceptions

C Error Code	Java Exception	Python Error	Description
-1	IllegalArgumentException	ValueError	The specified aircraft number is invalid
-2	IllegalArgumentException	ValueError	The number of values specified is too large
-3	IOException	OSError	The client was unable to send the command

Examples

C

#include "xplaneConnect.h"

XPCSocket sock = aopenUDP("127.0.0.1", 49007);

// Set control surfaces for level flight
float values[] = {0.0F, 0.0F, 0.0F, 0.8F, 0.0F, 0.0F};
sendCTRL(sock, values, 6, 0);

closeUDP(sock);

MATLAB

import XPlaneConnect.*

% Set control surfaces for level flight
values = [0.0F, 0.0F, 0.0F, 0.8F, 0.0F, 0.0F];
sendCTRL(values, 0);

Java

import gov.nasa.xpc.XPlaneConnect;

try(XPlaneConnect xpc = new XPlaneConnect())
{
    // Set control surfaces for level flight
    float values[] = {0.0F, 0.0F, 0.0F, 0.8F, 0.0F, 0.0F};
    xpc.sendCTRL(values, 0);
}

Python

import xpc

with xpc.XPlaneConnect() as client:
    # Set control surfaces for level flight
    values = [0.0F, 0.0F, 0.0F, 0.8F, 0.0F, 0.0F]
    client.sendCTRL(values)