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flasher callback now private function

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Mikayla Fischler 2022-10-20 12:23:00 -04:00
parent 6d5af98310
commit 1bf8fe557c
1 changed files with 24 additions and 24 deletions
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48
graphics/flasher.lua
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@ -21,14 +21,35 @@ local active = false
local registry = { {}, {}, {} } -- one registry table per period local registry = { {}, {}, {} } -- one registry table per period
local callback_counter = 0 local callback_counter = 0
-- start the flasher task -- blink registered indicators
--
-- this assumes it is called every 250ms, it does no checking of time on its own
local function callback_250ms()
if active then
for _, f in pairs(registry[PERIOD.BLINK_250_MS]) do f() end
if callback_counter % 2 == 0 then
for _, f in pairs(registry[PERIOD.BLINK_500_MS]) do f() end
end
if callback_counter % 4 == 0 then
for _, f in pairs(registry[PERIOD.BLINK_1000_MS]) do f() end
end
callback_counter = callback_counter + 1
tcd.dispatch(0.25, callback_250ms)
end
end
-- start the flasher periodic
function flasher.init() function flasher.init()
active = true active = true
registry = { {}, {}, {} } registry = { {}, {}, {} }
flasher.callback_250ms() callback_250ms()
end end
-- clear all blinking indicators and stop the flasher task -- clear all blinking indicators and stop the flasher periodic
function flasher.clear() function flasher.clear()
active = false active = false
registry = { {}, {}, {} } registry = { {}, {}, {} }
@ -58,25 +79,4 @@ function flasher.stop(f)
end end
end end
-- blink registered indicators
--
-- this assumes it is called every 250ms, it does no checking of time on its own
function flasher.callback_250ms()
if active then
for _, f in pairs(registry[PERIOD.BLINK_250_MS]) do f() end
if callback_counter % 2 == 0 then
for _, f in pairs(registry[PERIOD.BLINK_500_MS]) do f() end
end
if callback_counter % 4 == 0 then
for _, f in pairs(registry[PERIOD.BLINK_1000_MS]) do f() end
end
callback_counter = callback_counter + 1
tcd.dispatch(0.25, flasher.callback_250ms)
end
end
return flasher return flasher