ardupilot/libraries/AP_Scripting/examples/sitl_standby_sim.lua

88 lines
3.2 KiB
Lua

-- This script is a allow to switch the standby function by the switch of the remote controller on 2 simulated fcus.
-- variable to limit the number of messages sent to GCS
local last_rc_input = 0
-- constants
local switch_high = 2
local switch_low = 0
-- Standby function number in ArduPilot
local standby_function = 76
-- RC pin to use to select the FCU
local rc_input_pin = 8
-- for fast param access it is better to get a param object,
-- this saves the code searching for the param by name every time
local JSON_MASTER = Parameter()
if not JSON_MASTER:init('SIM_JSON_MASTER') then
gcs:send_text(6, 'get SIM_JSON_MASTER failed')
end
local SYSID_THISMAV = Parameter()
if not SYSID_THISMAV:init('SYSID_THISMAV') then
gcs:send_text(6, 'get SYSID_THISMAV failed')
end
local sysid = SYSID_THISMAV:get()
gcs:send_text(6, 'LUA: Standby LUA loaded')
-- The loop check the value of the switch of the remote controller and switch the standby function of the simulated fcus.
-- FCU should have SYSID_THISMAV set to 1 or 2.
-- The switch is on the channel 8 (default) of the remote controller.
-- fcu1 and fcu2 have mirrored standby function, so only one is active at a time.
-- As this is for simulation, the SIM_JSON_MASTER param is also update to select which fcu control the motors.
function update() -- this is the loop which periodically runs
rc_input = rc:get_pwm(rc_input_pin)
if rc_input == nil then
gcs:send_text(6, 'LUA: rc_input is nil')
return update, 1000 -- reschedules the loop
end
if rc_input ~= last_rc_input then
if sysid == 2 then
if rc_input > 1500 then
if not JSON_MASTER:set(0) then
gcs:send_text(6, string.format('LUA: failed to set SIM_JSON_MASTER'))
else
rc:run_aux_function(standby_function, switch_high)
gcs:send_text(6, string.format('LUA: set SIM_JSON_MASTER to 0'))
end
else
if not JSON_MASTER:set(1) then
gcs:send_text(6, string.format('LUA: failed to set SIM_JSON_MASTER'))
else
rc:run_aux_function(standby_function, switch_low)
gcs:send_text(6, string.format('LUA: set SIM_JSON_MASTER to 1'))
end
end
end
if sysid == 1 then
if rc_input > 1500 then
if not JSON_MASTER:set(0) then
gcs:send_text(6, string.format('LUA: failed to set SIM_JSON_MASTER'))
else
rc:run_aux_function(standby_function, switch_low)
gcs:send_text(6, string.format('LUA: set SIM_JSON_MASTER to 0'))
end
else
if not JSON_MASTER:set(1) then
gcs:send_text(6, string.format('LUA: failed to set SIM_JSON_MASTER'))
else
rc:run_aux_function(standby_function, switch_high)
gcs:send_text(6, string.format('LUA: set SIM_JSON_MASTER to 1'))
end
end
end
last_rc_input = rc_input
end
return update, 1000 -- reschedules the loop
end
return update() -- run immediately before starting to reschedule