AP_Scripting: examples: ignore luacheck warnings

libraries/AP_Scripting/examples/LED_matrix_image.lua

@@ -2,6 +2,7 @@
 Script to control LED strips based on the roll of the aircraft. This is an example to demonstrate
 the LED interface for WS2812 LEDs
 --]]
+-- luacheck: only 0
 
 --[[
 for this demo we will use a single strip with 30 LEDs

libraries/AP_Scripting/examples/LED_matrix_text.lua

@@ -2,6 +2,7 @@
 Script to control LED strips based on the roll of the aircraft. This is an example to demonstrate
 the LED interface for WS2812 LEDs
 --]]
+-- luacheck: only 0
 
 --[[
 for this demo we will use a single strip with 30 LEDs

libraries/AP_Scripting/examples/LED_roll.lua

@@ -2,6 +2,8 @@
 Script to control LED strips based on the roll of the aircraft. This is an example to demonstrate
 the LED interface for WS2812 LEDs
 --]]
+-- luacheck: only 0
+
 
 --[[
 for this demo we will use a single strip with 30 LEDs

libraries/AP_Scripting/examples/NMEA-decode.lua

@@ -1,4 +1,5 @@
 -- Script decodes, checks and prints NMEA messages
+-- luacheck: only 0
 
 -- find the serial first (0) scripting serial port instance
 local port = serial:find_serial(0)

libraries/AP_Scripting/examples/OOP_example.lua

@@ -1,4 +1,5 @@
 -- this is an example of how to do object oriented programming in Lua
+-- luacheck: only 0
 
 function constrain(v, minv, maxv)
    -- constrain a value between two limits

libraries/AP_Scripting/examples/Serial_Dump.lua

@@ -1,4 +1,6 @@
 -- this script reads data from a serial port and dumps it to a file
+-- luacheck: only 0
+
 local file_name = 'raw serial dump.txt'
 local file_name_plain = 'serial dump.txt'
 local baud_rate = 9600

libraries/AP_Scripting/examples/ahrs-source-gps-optflow.lua

@@ -26,6 +26,7 @@
 -- SCR_USER4 holds the threshold for optical flow innovations (about 0.15 is a good choice)
 --
 -- When the 2nd auxiliary switch (300/Scripting1) is pulled high automatic source selection uses these thresholds:
+-- luacheck: only 0
 
 local rangefinder_rotation = 25     -- check downward (25) facing lidar
 local source_prev = 0               -- previous source, defaults to primary source

libraries/AP_Scripting/examples/ahrs-source-gps-wheelencoders.lua

@@ -9,6 +9,7 @@
 -- SCR_USER3 holds the threshold for GPS innovations (around 0.3 is a good choice)
 --     if GPS speed accuracy <= SCR_USER2 and GPS innovations <= SRC_USER3 then the GPS (primary source set) will be used
 --     otherwise wheel encoders (secondary source set) will be used
+-- luacheck: only 0
 
 local source_prev = 0               -- previous source, defaults to primary source
 local sw_source_prev = -1           -- previous source switch position

libraries/AP_Scripting/examples/ahrs-source.lua

@@ -14,6 +14,7 @@
 -- SCR_USER3 holds the threshold for Non-GPS vertical speed innovation (about 0.3 is a good choice)
 --     if both GPS speed accuracy <= SCR_USER2 and ExternalNav speed variance >= SCR_USER3, source1 will be used
 --     otherwise source2 (T265) or source3 (optical flow) will be used based on rangefinder distance
+-- luacheck: only 0
 
 local rangefinder_rotation = 25     -- check downward (25) facing lidar
 local source_prev = 0               -- previous source, defaults to primary source

libraries/AP_Scripting/examples/aux_cached.lua

@@ -1,6 +1,8 @@
 --[[ 
    example for getting cached aux function value
 --]]
+-- luacheck: only 0
+
 
 local RATE_HZ = 10
 

libraries/AP_Scripting/examples/copter-deadreckon-home.lua

@@ -55,6 +55,8 @@
 --   a. SIM_WIND_DIR <-- sets direction wind is coming from
 --   b. SIM_WIND_SPD <-- sets wind speed in m/s
 --
+-- luacheck: only 0
+
 
 -- create and initialise parameters
 local PARAM_TABLE_KEY = 86  -- parameter table key must be used by only one script on a particular flight controller

libraries/AP_Scripting/examples/copy_userdata.lua

@@ -1,6 +1,7 @@
 --[[
  An example of using the copy() method on userdata
 --]]
+-- luacheck: only 0
 
 
 local loc1 = Location()

libraries/AP_Scripting/examples/frsky_wp.lua

@@ -17,6 +17,7 @@
   For this test we'll use sensor ID 17 (0x71),
   Note: 17 is the index, 0x71 is the actual ID
 --]]
+-- luacheck: only 0
 
 local loop_time = 1000 -- number of ms between runs
 

libraries/AP_Scripting/examples/gen_control.lua

@@ -5,6 +5,8 @@
    generators. It monitors battery voltage and controls the throttle
    of the generator to maintain a target voltage using a PI controller
 --]]
+-- luacheck: only 0
+
 
 UPDATE_RATE_HZ = 10
 

libraries/AP_Scripting/examples/mission-edit-demo.lua

@@ -1,5 +1,7 @@
 -- mission editing demo lua script.
 -- by Buzz 2020
+-- luacheck: only 0
+
 current_pos = nil
 home = 0
 a = {}

libraries/AP_Scripting/examples/mission-load.lua

@@ -1,5 +1,6 @@
 -- Example of loading a mission from the SD card using Scripting
 -- Would be trivial to select a mission based on scripting params or RC switch
+-- luacheck: only 0
 
 
 

libraries/AP_Scripting/examples/mount-poi.lua

@@ -18,6 +18,7 @@
 --   9. repeat step 6, 7 and 8 until the test_loc's altitude falls below the terrain altitude
 --  10. interpolate between test_loc and prev_test_loc to find the lat, lon, alt (above sea-level) where alt-above-terrain is zero
 --  11. display the POI to the user
+-- luacheck: only 0
 
 -- global definitions
 local ALT_FRAME_ABSOLUTE = 0

libraries/AP_Scripting/examples/opendog_demo.lua

@@ -1,5 +1,6 @@
 -- demo of waving paw of opendog
---
+-- luacheck: only 0
+
 local flipflop = true
 
 pwm = { 1500, 1500, 2000,

libraries/AP_Scripting/examples/param_get_set_test.lua

@@ -1,4 +1,6 @@
 -- This script is a test of param set and get
+-- luacheck: only 0
+
 local count = 0
 
 -- for fast param acess it is better to get a param object,

libraries/AP_Scripting/examples/plane-doublets.lua

@@ -7,6 +7,7 @@
 -- It is suggested to allow the aircraft to trim for straight, level, unaccelerated flight (SLUF) in FBWB mode before
 -- starting a doublet
 -- Charlie Johnson, Oklahoma State University 2020
+-- luacheck: only 0
 
 local DOUBLET_ACTION_CHANNEL = 6 -- RCIN channel to start a doublet when high (>1700)
 local DOUBLET_CHOICE_CHANNEL = 7 -- RCIN channel to choose elevator (low) or rudder (high)

libraries/AP_Scripting/examples/plane-wind-failsafe.lua

@@ -1,6 +1,7 @@
 -- warn the user if wind speed exceeds a threshold, failsafe if a second threshold is exceeded
 
 -- note that this script is only intended to be run on ArduPlane
+-- luacheck: only 0
 
 -- tuning parameters
 local warn_speed = 10 -- metres/second

libraries/AP_Scripting/examples/plane-wind-fs.lua

@@ -2,6 +2,7 @@
 -- the average battery consumption, and the wind to decide when to failsafe
 --
 -- CAUTION: This script only works for Plane
+-- luacheck: only 0
 
 -- store the batt info as { instance, filtered, capacity, margin_mah }
 -- instance: the battery monitor instance (zero indexed)

libraries/AP_Scripting/examples/plane_guided_follow.lua

@@ -1,4 +1,5 @@
 -- support follow in GUIDED mode in plane
+-- luacheck: only 0
 
 local PARAM_TABLE_KEY = 11
 local PARAM_TABLE_PREFIX = "GFOLL_"

libraries/AP_Scripting/examples/protected_call.lua

@@ -1,6 +1,7 @@
 -- this shows how to protect against faults in your scripts
 -- you can wrap your update() call (or any other call) in a pcall()
 -- which catches errors, allowing you to take an appropriate action
+-- luacheck: only 0
 
 
 -- example main loop function

libraries/AP_Scripting/examples/quadruped.lua

@@ -18,6 +18,7 @@
 -- Output12: back right tibia (shin) servo
 --
 -- CAUTION: This script should only be used with ArduPilot Rover's firmware
+-- luacheck: only 0
 
 
 local FRAME_LEN = 80    -- frame length in mm

libraries/AP_Scripting/examples/rangefinder_test.lua

@@ -1,4 +1,5 @@
 -- This script checks RangeFinder
+-- luacheck: only 0
 
 local rotation_downward = 25
 local rotation_forward = 0

libraries/AP_Scripting/examples/rover-SaveTurns.lua

@@ -11,6 +11,7 @@ of a vehicle.  Use this script AT YOUR OWN RISK.
 
 LICENSE - GNU GPLv3 https://www.gnu.org/licenses/gpl-3.0.en.html
 ------------------------------------------------------------------------------]]
+-- luacheck: only 0
 
 local SCRIPT_NAME = 'SaveTurns'
 

libraries/AP_Scripting/examples/set-target-location.lua

@@ -5,6 +5,7 @@
 --    a) switches to Guided mode
 --    b) sets the target location to be 10m above home
 --    c) switches the vehicle to land once it is within a couple of meters of home
+-- luacheck: only 0
 
 local wp_radius = 2
 local target_alt_above_home = 10

libraries/AP_Scripting/examples/set_target_posvel_circle.lua

@@ -7,6 +7,7 @@
 --      2) switch to GUIDED mode 
 --      3) the vehilce will follow a circle in clockwise direction with increasing speed until ramp_up_time_s time has passed.
 --      4) switch out of and into the GUIDED mode any time to restart the trajectory from the start.
+-- luacheck: only 0
 
 -- Edit these variables
 local rad_xy_m = 10.0   -- circle radius in xy plane in m

libraries/AP_Scripting/examples/terrain_warning.lua

@@ -1,4 +1,5 @@
 -- height above terrain warning script
+-- luacheck: only 0
 
 -- min altitude above terrain, script will warn if lower than this
 local terrain_min_alt = 20

libraries/AP_Scripting/examples/test_load.lua

@@ -7,6 +7,8 @@ gcs:send_text(0,"Testing load() method")
 -- a function written as a string. This could come from a file
 -- or any other source (eg. mavlink)
 -- Note that the [[ xxx ]] syntax is just a multi-line string
+-- luacheck: only 0
+
 local func_str = [[
 function TestFunc(x,y)
   return math.sin(x) + math.cos(y)

libraries/AP_Scripting/examples/wp_test.lua

@@ -1,4 +1,5 @@
 -- Example script for accessing waypoint info
+-- luacheck: only 0
 
 local wp_index
 local wp_distance