util_netled.lua

local util_netled = {}
local TaskManager = require("task_manager")

local netled_default_duration = 200
local netled_default_interval = 3000

local netled_duration = netled_default_duration
local netled_interval = netled_default_interval

local netled_inited = false

-- 任务名称常量
local BREATH_TASK_NAME = "util_netled_breath"
local CONTROL_TASK_NAME = "util_netled_control"

-- 启动呼吸灯效果任务
function util_netled.startBreath()
    TaskManager.create(BREATH_TASK_NAME, function()
        local nums = { 0, 1, 2, 4, 6, 12, 16, 21, 27, 34, 42, 51, 61, 72, 85, 100, 100 }
        local len = #nums
        while true do
            for i = 1, len, 1 do
                pwm.open(4, 1000, nums[i])
                local result = sys.waitUntil("NET_LED_INIT", 25)
                if result then
                    pwm.close(4)
                    return
                end
            end
            for i = len, 1, -1 do
                pwm.open(4, 1000, nums[i])
                local result = sys.waitUntil("NET_LED_INIT", 25)
                if result then
                    pwm.close(4)
                    return
                end
            end
        end
    end, function(success, err)
        if not success then
            log.error("util_netled", "breath task failed:", err)
        end
    end)
end

-- 停止呼吸灯效果
function util_netled.stopBreath()
    TaskManager.delete(BREATH_TASK_NAME)
    pwm.close(4)
end

-- 注册网络后开始闪烁
function util_netled.init()
    if netled_inited then return end
    netled_inited = true
    sys.publish("NET_LED_INIT")

    TaskManager.createLoop(CONTROL_TASK_NAME, function()
        local netled = gpio.setup(27, 0, gpio.PULLUP)
        netled(1)
        sys.waitUntil("NET_LED_UPDATE", netled_duration)
        netled(0)
        sys.waitUntil("NET_LED_UPDATE", netled_interval)
    end, 0, function(success, err)
        if not success then
            log.error("util_netled", "control task failed:", err)
        end
    end)
end

function util_netled.blink(duration, interval, restore)
    if duration == netled_duration and interval == netled_interval then return end
    netled_duration = duration or netled_default_duration
    netled_interval = interval or netled_default_interval
    log.debug("EVENT.NET_LED_UPDATE", duration, interval, restore)
    sys.publish("NET_LED_UPDATE")
    if restore then sys.timerStart(util_netled.blink, restore) end
end

-- 停止网络LED控制任务
function util_netled.stop()
    TaskManager.stopLoop(CONTROL_TASK_NAME)
    netled_inited = false
end

-- 清理所有LED相关任务
function util_netled.cleanup()
    util_netled.stop()
    util_netled.stopBreath()
end

return util_netled