ardupilot/libraries/AP_Scripting/examples/fault_handling.lua

57 lines
1.3 KiB
Lua

--[[
example script to test fault handling with pcall
--]]
local MAV_SEVERITY = {EMERGENCY=0, ALERT=1, CRITICAL=2, ERROR=3, WARNING=4, NOTICE=5, INFO=6, DEBUG=7}
gcs:send_text(MAV_SEVERITY.INFO, "Loading fault test")
local test_count = 0
local fault_count = 0
--[[
evaluate a lua function and return nil on fault or the functions return value
--]]
local function evaluate(f)
local ok, s = pcall(f)
eval_func = nil
if ok then
return s
end
fault_count = fault_count + 1
return nil
end
local function nil_deref()
local loc = nil
return loc:lat()
end
local function bad_random()
return math.random(1,0)
end
local function run_test()
local script_variant = test_count % 2
if script_variant == 0 then
evaluate(nil_deref)
elseif script_variant == 1 then
evaluate(bad_random)
end
end
local function update()
if test_count % 100 == 0 then
gcs:send_text(MAV_SEVERITY.INFO,string.format("Test %u fault_count %u", test_count, fault_count))
end
test_count = test_count + 1
run_test()
assert(fault_count == test_count, "fault and test counts should match")
return update,1
end
gcs:send_text(MAV_SEVERITY.INFO, "Starting fault test in 2 seconds")
-- wait a while for GCS to connect
return update,2000