Air201-LuatOS-如何使用超低功耗

gpio.close(22)
gpio.close(23)
gpio.close(24)
gpio.close(39) --wakeup 0
gpio.close(41) -- simcd脚

--打开VBUS唤醒函数会增加功耗，请根据实际需求选择是否使用
 local vbus_pin = 40 -- VBUS引脚
 local vbus_state = 0 -- 记录VBUS脚状态
-- -- 设置VBUS脚为中断唤醒脚,模拟USB插拔状态
-- -- 在此处加入了唤醒_低功耗模式切换函数，不然USB插上后只能供电，无法查看日志
 gpio.setup(vbus_pin, function()
     vbus_state = gpio.get(vbus_pin) -- 记录VBUS脚状态
     if vbus_state == 0 then -- USB拔出
         log.info("sleep") -- 进入睡眠模式
         pm.power(pm.USB, false) -- 关闭USB
     elseif vbus_state == 1 then -- USB插入
        log.info("wakeup") -- 退出睡眠模式
        pm.power(pm.USB, true) -- 开启USB
         log.info("USB插入") -- 打印日志
     end
 end, gpio.PULLUP, gpio.BOTH) -- 上拉模式（PULLUP）, 双边缘触发（BOTH）

local function Task(ip, port)
    local txData
    if reason == 0 then
        txData = "normal wakeup"
    elseif reason == 1 then
        txData = "timer wakeup"
    elseif reason == 2 then
        txData = "pad wakeup"
    elseif reason == 3 then
        txData = "uart1 wakeup"
    end
    if slp_state > 0 then
        mobile.flymode(0,false) -- 退出飞行模式，进入psm+前进入飞行模式，唤醒后需要主动退出
    end

    local netc, needBreak
    local result, param, is_err
    netc = socket.create(nil, d1Name)
    socket.debug(netc, false)
    socket.config(netc) -- demo用TCP服务器，目前需要在用极致功耗模式时先断开服务器
    local retry = 0
    while retry < 3 do
        log.info(rtos.meminfo("sys"))
        result = libnet.waitLink(d1Name, 0, netc)
        result = libnet.connect(d1Name, 5000, netc, ip, port)
        if result then
            log.info("服务器连上了")
            result, param = libnet.tx(d1Name, 15000, netc, txData)
            if not result then
                log.info("服务器断开了", result, param)
                break
            else
                needBreak = true
            end
        else
            log.info("服务器连接失败")
        end
        libnet.close(d1Name, 5000, netc)
        retry = retry + 1
        if needBreak then
            break
        end
    end

    uart.setup(1, 9600)  --配置uart1，外部唤醒用
    pm.dtimerStart(3, period)  --启动深度休眠定时器，period的值是3分钟
    mobile.flymode(0,true)     --进入飞行模式
    pm.power(pm.USB, false)    -- 关闭USB，如果打开了USB唤醒函数可注释掉
    pm.power(pm.WORK_MODE,3)   --进入极致功耗模式
    log.info(rtos.meminfo("sys"))
    sys.wait(15000)   --demo演示唤醒时间是三分钟，如果15s后模块重启，则说明进入极致功耗模式失败，
    log.info("进入极致功耗模式失败，尝试重启")
    rtos.reboot()
end

local function init()
    i2c.close(i2cId)
    i2c.setup(i2cId, i2c.SLOW)
    i2c.send(i2cId, da267Addr, {0x00, 0x24}, 1)
    sys.wait(20)
    i2c.send(i2cId, da267Addr, {0x0F, 0x00}, 1)
    i2c.send(i2cId, da267Addr, {0x11, 0x34}, 1)
    i2c.send(i2cId, da267Addr, {0x10, 0x07}, 1)

    sys.wait(50)

    -- int set1
    i2c.send(i2cId, da267Addr, {0x16, 0x87}, 1)

    -- init active interrupt
    i2c.send(i2cId, da267Addr, {0x38, 0x03}, 1)
    i2c.send(i2cId, da267Addr, {0x39, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x3A, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x3B, 0x05}, 1)
    i2c.send(i2cId, da267Addr, {0x19, 0x04}, 1)

    -- enable active
    i2c.send(i2cId, da267Addr, {0x11, 0x30}, 1)

    -- init step counter
    i2c.send(i2cId, da267Addr, {0x33, 0x80}, 1)
end

sys.taskInit(function()
    mcu.altfun(mcu.I2C, i2cId, 23, 2, 0)
    mcu.altfun(mcu.I2C, i2cId, 24, 2, 0)
    while true do
        init()
        while true do
            local result = sys.waitUntil("RESTORE_GSENSOR", 60 * 1000)
            if result then
                break
            end
            i2c.send(i2cId, da267Addr, 0x01, 1)
            local data = i2c.recv(i2cId, da267Addr, 1)
            if not data or data == "" or string.byte(data) ~= 0x13 then
                break
            end
        end
    end
end)

local function ind()
    log.info("int", gpio.get(intPin))
    if gpio.get(intPin) == 1 then
        log.info("da267", "interrupt")
        i2c.send(i2cId, da267Addr, 0x02, 1)
        local data = i2c.recv(i2cId, da267Addr, 6)
        if data and #data == 6 then
            local xl, xm, yl, ym, zl, zm = string.byte(data, 1, 1), string.byte(data, 2, 2), string.byte(data, 3, 3), string.byte(data, 4, 4), string.byte(data, 5, 5), string.byte(data, 6, 6)
             x, y, z = (xm << 8 | xl ) >> 4, (ym << 8 | yl) >> 4, (zm << 8 | zl ) >> 4
            log.info("da267", "x:", x, "y:", y, "z:", z)
            sys.publish("GSENSOR", x, y, z)
        else
            sys.publish("RESTORE_GSENSOR")
        end
        i2c.send(i2cId, da267Addr, 0x0D, 1)
        local data = i2c.recv(i2cId, da267Addr, 2)
        if data and #data == 2 then
            local xl, xm = string.byte(data, 1, 1), string.byte(data, 2, 2)
            local step = ((xl << 8) + xm) // 2
            log.info("da267", "step:", step)
            sys.publish("STEP_COUNTER", step)
        else
            sys.publish("RESTORE_GSENSOR")
        end
    end
end