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32 lines
1.1 KiB
32 lines
1.1 KiB
-- this shows how to protect against faults in your scripts |
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-- you can wrap your update() call (or any other call) in a pcall() |
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-- which catches errors, allowing you to take an appropriate action |
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-- example main loop function |
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function update() |
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local t = 0.001 * millis():tofloat() |
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gcs:send_text(0, string.format("TICK %.1fs", t)) |
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if math.floor(t) % 10 == 0 then |
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-- deliberately make a bad call to cause a fault, asking for the 6th GPS status |
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-- as this is done inside a pcall() the error will be caught instead of stopping the script |
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local status = gps:status(5) |
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end |
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end |
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-- wrapper around update(). This calls update() at 5Hz, |
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-- and if update faults then an error is displayed, but the script is not |
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-- stopped |
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function protected_wrapper() |
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local success, err = pcall(update) |
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if not success then |
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gcs:send_text(0, "Internal Error: " .. err) |
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-- when we fault we run the update function again after 1s, slowing it |
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-- down a bit so we don't flood the console with errors |
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return protected_wrapper, 1000 |
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end |
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return protected_wrapper, 200 |
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end |
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-- start running update loop |
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return protected_wrapper()
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