NetLinx - Programming language

NetLinx is a programming language created in 2007.

#857on PLDB

17Years Old

122Repos

NetLinx is both a range of controllers manufactured by AMX and the name of the proprietary programming language (loosely based on C) used to program the devices. The NetLinx controllers are rack mountable devices which run a version of VxWorks and integrate both a processor and device controllers and are typically utilized for audio-visual control systems. An example is the mid-range NetLinx Integrated NI-2100 controller which has 3 RS-232/RS-485 serial ports, 4 relays, 4 infrared/serial ports and 4 input/outputs. Read more on Wikipedia...

Tags: programming language
There are at least 122 NetLinx repos on GitHub
Early development of NetLinx happened in AMX, LLC
The Google BigQuery Public Dataset GitHub snapshot shows 21 users using NetLinx in 25 repos on GitHub
GitHub supports syntax highlighting for NetLinx
See also: (2 related languages) C, ASCII
Read more about NetLinx on the web: 1.

Example from Linguist:

(***********************************************************
    Mock Projector
    
    For testing syntax highlighting
************************************************************)

#if_not_defined MOCK_PROJECTOR
#define MOCK_PROJECTOR 1
(***********************************************************)
(* System Type : NetLinx                                   *)
(***********************************************************)
(*           DEVICE NUMBER DEFINITIONS GO BELOW            *)
(***********************************************************)
DEFINE_DEVICE

dvPROJECTOR = 5001:1:0;

(***********************************************************)
(*              CONSTANT DEFINITIONS GO BELOW              *)
(***********************************************************)
DEFINE_CONSTANT

// Power States
POWER_STATE_ON      = 0;
POWER_STATE_OFF     = 1;
POWER_STATE_WARMING = 2;
POWER_STATE_COOLING = 3;

// Inputs
INPUT_HDMI          = 0;
INPUT_VGA           = 1;
INPUT_COMPOSITE     = 2;
INPUT_SVIDEO        = 3;

(***********************************************************)
(*                    INCLUDES GO BELOW                    *)
(***********************************************************)

#include 'amx-lib-log'

(***********************************************************)
(*              DATA TYPE DEFINITIONS GO BELOW             *)
(***********************************************************)
DEFINE_TYPE

struct projector_t
{
    integer power_state;
    integer input;
    integer lamp_hours;
}

(***********************************************************)
(*              VARIABLE DEFINITIONS GO BELOW              *)
(***********************************************************)
DEFINE_VARIABLE

volatile projector_t proj_1;

(***********************************************************)
(*         SUBROUTINE/FUNCTION DEFINITIONS GO BELOW        *)
(***********************************************************)

define_function initialize(projector_t self)
{
    self.power_state = POWER_STATE_OFF;
    self.input = INPUT_HDMI;
    self.lamp_hours = 0;
}

define_function switch_input(projector_t self, integer input)
{
    self.input = input;
    print(LOG_LEVEL_INFO, "'Projector set to input: ', itoa(input)");
}

(***********************************************************)
(*                 STARTUP CODE GOES BELOW                 *)
(***********************************************************)
DEFINE_START

initialize(proj_1);

(***********************************************************)
(*                   THE EVENTS GO BELOW                   *)
(***********************************************************)
DEFINE_EVENT

data_event[dvPROJECTOR]
{
    string:
    {
        parse_message(data.text);
    }
    
    command: {}
    online:  {}
    offline: {}
}

button_event[dvTP, BTN_HDMI]
button_event[dvTP, BTN_VGA]
button_event[dvTP, BTN_COMPOSITE]
button_event[dvTP, BTN_SVIDEO]
{
    push:
    {
        switch (button.input.channel)
        {
            case BTN_HDMI:      switch_input(proj_1, INPUT_HDMI);
            case BTN_VGA:       switch_input(proj_1, INPUT_VGA);
            case BTN_COMPOSITE: switch_input(proj_1, INPUT_COMPOSITE);
            case BTN_SVIDEO:    switch_input(proj_1, INPUT_SVIDEO);
        }
    }
    
    release: {}
}

(***********************************************************)
(*                 THE MAINLINE GOES BELOW                 *)
(***********************************************************)
DEFINE_PROGRAM

[dvTP, BTN_POWER_ON]  = (proj_1.power_state == POWER_STATE_ON);
[dvTP, BTN_POWER_OFF] = (proj_1.power_state == POWER_STATE_OFF);

(***********************************************************)
(*                     END OF PROGRAM                      *)
(*          DO NOT PUT ANY CODE BELOW THIS COMMENT         *)
(***********************************************************)
#end_if

Language features

Feature	Supported	Example	Token
MultiLine Comments	✓	(* A comment *)	(* *)
Comments	✓	// A comment
Line Comments	✓	// A comment	//
Semantic Indentation	X