mirror of https://github.com/ArduPilot/ardupilot
67 lines
2.1 KiB
Lua
67 lines
2.1 KiB
Lua
-- This script will select a random location (as defined from a lat long coordinate)
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-- and will play a set of tunes to navigate you towards that point, and select a new once
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-- once the point has been found.
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--
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-- This script primarily serves to demo how to work with Locations, as well as how to
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-- use the tonealarm to play tones, and send status text messages
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local ACCEPTANCE_DISTANCE = 20.0
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local TUNE_POINT = "MBNT255>A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8A#8"
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local TUNE_TOWARDS = "MFT100L8>B"
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local TUNE_AWAY = "MFT100L4>A#B#"
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local target = Location()
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local top_left = Location()
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top_left:lat(-353622666)
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top_left:lng(1491650479)
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local last_distance = 1e10
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local notify_interval_ms = uint32_t(5000)
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local last_notify_time_ms = millis()
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local score = 0
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function find_next_point ()
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target:lat(top_left:lat())
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target:lng(top_left:lng())
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target:offset(math.random()*-100, math.random()*10)
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gcs:send_text(6, string.format("New target %d %d", target:lat(), target:lng()))
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local current = ahrs:get_location()
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if current then
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last_distance = current:get_distance(target)
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end
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last_distance = 1e10
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return
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end
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function update ()
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local current = ahrs:get_location()
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if current then
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local dist = target:get_distance(current)
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local now = millis()
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if dist < ACCEPTANCE_DISTANCE then
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notify:play_tune(TUNE_POINT)
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score = score + 1
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gcs:send_text(6, string.format("Got a point! %d total", score))
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find_next_point()
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elseif (now - last_notify_time_ms) > notify_interval_ms then
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last_notify_time_ms = now
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gcs:send_text(6, string.format("Distance: %.1f %.1f", target:get_distance(current), dist))
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if dist < (last_distance - 1) then
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notify:play_tune(TUNE_TOWARDS)
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elseif dist > (last_distance + 1) then
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notify:play_tune(TUNE_AWAY)
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end
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end
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if math.abs(last_distance - dist) > 1.0 then
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last_distance = dist;
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end
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end
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return update, 100
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end
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find_next_point()
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return update, 100
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