8e2b2fa782
If nothing else, putting each project into a directory is useful for attaching README files. It will also be more useful for multi-file projects.
32 lines
1.0 KiB
Lua
32 lines
1.0 KiB
Lua
local battery_boxes = "lv_batteries"
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local supply_converter = "lv_converter"
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local poll_interval = 10
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local min_charge = 25
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local max_charge = 75
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if event.type == "program" or (event.type == "interrupt" and event.iid == "start") then
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-- Step 1: ask the battery boxes for their data.
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digiline_send(battery_boxes, "get")
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interrupt(1, "finish")
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mem.current = 0
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mem.total = 0
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elseif event.type == "digiline" and event.channel == battery_boxes then
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-- Step 2: collect data from battery boxes.
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mem.current = mem.current + event.msg.charge
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mem.total = mem.total + event.msg.max_charge
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elseif event.type == "interrupt" and event.iid == "finish" then
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-- Step 3: all data received; decide what to do and sleep until next update.
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local percent
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if mem.total ~= 0 then
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percent = mem.current * 100 / mem.total
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else
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percent = 0
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end
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if percent <= min_charge then
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digiline_send(supply_converter, "on")
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elseif percent >= max_charge then
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digiline_send(supply_converter, "off")
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end
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interrupt(poll_interval - 1, "start")
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end
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