sys - sys库

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本库还有视频教程，[点此链接查看](https://www.bilibili.com/video/BV1194y1o7q2)

sys.taskInit(function()
    while 1 do
        sys.wait(500)
    end
end)

sys.taskInit(function()
    // do something
    local result, data = sys.waitUntil("NET_READY", 30000)
    // do something else
end)

sys.taskInit(function(a, b, c)
    log.info("task", a, b, c) -- 打印 task A B C
end, "A", "B", "N")

sys.timerStart(function(a, b, c)
    log.info("task", a, b, c) -- 1000毫秒后才会执行, 打印 task A B C
end, 1000, "A", "B", "N")

sys.timerLoopStart(function(a, b, c)
    log.info("task", a, b, c) -- 1000毫秒后才会执行, 打印 task A B C
end, 1000, "A", "B", "N")

local tcount = 0
local tid 
tid = sys.timerLoopStart(function(a, b, c)
    log.info("task", a, b, c) -- 1000毫秒后才会执行, 打印 task A B C
    if tcount > 10 then
        sys.timerStop(tid)
    end
    tcount = tcount + 1
end, 1000, "A", "B", "N")

-- 关闭回调函数为publicTimerCbFnc的所有定时器
local function publicTimerCbFnc(tag)
log.info("publicTimerCbFnc",tag)
end
sys.timerStart(publicTimerCbFnc,8000,"first")
sys.timerStart(publicTimerCbFnc,8000,"second")
sys.timerStart(publicTimerCbFnc,8000,"third")
sys.timerStopAll(publicTimerCbFnc)

sys.publish("BT_READY", false)

local function bt_cb(state)
    log.info("bt", state)
end
sys.subscribe("BT_READY", bt_cb)
sys.subscribe("BT_READY", function(state)
    log.info("sys", "Got BT_READY", state)
end)

local function bt_cb(state)
    log.info("bt", state)
end
sys.unsubscribe("BT_READY", bt_cb)

-- 总是main.lua的结尾一句,将来也许会简化掉
sys.run()
-- 之后的代码不会被执行