g33_network_int/gpsTask.lua

local gps = require"gpsZkw"

local gpsEnable = nvm.get("gpsEnable") or 1
local gpsTimerId

local function setGpsInfo()
    local tLocation = gps.getLocation()--获取度格式的经纬度信息
    local speed = gps.getSpeed()
    log.info("testGps.printGps",
        gps.isOpen(),--获取GPS模块是否处于开启状态,gps.isFix()--获取GPS模块是否定位成功,
        tLocation.lngType,tLocation.lng,tLocation.latType,tLocation.lat,--打印经纬度
        gps.getAltitude(),--获取海拔
        speed,--获取速度
        gps.getCourse(),--获取方向角
        gps.getViewedSateCnt(),--获取可见卫星的个数
        gps.getUsedSateCnt())--获取定位使用的卫星个数

        if gps.isFix() then
            log.info("gpsTask.printGps","location success,close gps ... ")
            gpsLocation = tLocation
            --断电GPS
            pins.setup(pio.P0_18, 1)
            pins.setup(pio.P0_3, 0)
            --保存定位数据到flash
            if gpsEnable == 1 then
                local gpsLng = nvm.get("gpsLng") or "0"
                if gpsLng ~= gpsLocation.lng then
                    if not nvm.set("gpsLng",gpsLocation.lng) then
                        log.error("gpsTask.printGps","nvm.set  gpsLng fail! gpsLng:", gpsLocation.lng)
                        return
                    end
                end
                local lngType = nvm.get("lngType") or "0"
                if lngType ~= gpsLocation.lngType then
                    if not nvm.set("lngType",gpsLocation.lngType) then
                        log.error("gpsTask.printGps","nvm.set  lngType fail! lngType:", gpsLocation.lngType)
                        return
                    end
                end
                local gpsLat = nvm.get("gpsLat") or "0"
                if gpsLat ~= gpsLocation.lat then
                    if not nvm.set("gpsLat",gpsLocation.lat) then
                        log.error("gpsTask.printGps","nvm.set  gpsLat fail! gpsLat:", gpsLocation.lat)
                        return
                    end
                end
                local latType = nvm.get("latType") or "0"
                if latType ~= gpsLocation.latType then
                    if not nvm.set("latType",gpsLocation.latType) then
                        log.error("gpsTask.printGps","nvm.set  latType fail! latType:", gpsLocation.latType)
                        return
                    end
                end
                local gpsTime = nvm.get("gpsTime") or 0
                if gpsTime ~= os.time() then
                    if not nvm.set("gpsTime",os.time()) then
                        log.error("gpsTask.printGps","nvm.set  gpsTime fail! gpsTime:", os.time())
                        return
                    end
                end
                sys.publish("pub_gps_location_success_msg",tLocation)
            end
        end

end


function printGps()
    -- body
    local tLocation = gps.getLocation()--获取度格式的经纬度信息
    local speed = gps.getSpeed()
    log.info("testGps.printGps",
        gps.isOpen(),--获取GPS模块是否处于开启状态,gps.isFix()--获取GPS模块是否定位成功,
        tLocation.lngType,tLocation.lng,tLocation.latType,tLocation.lat,--打印经纬度
        gps.getAltitude(),--获取海拔
        speed,--获取速度
        gps.getCourse(),--获取方向角
        gps.getViewedSateCnt(),--获取可见卫星的个数
        gps.getUsedSateCnt())--获取定位使用的卫星个数
end 

function gpsLocateCb(  )
    -- body
    sys.timerStop(gpsTimerId)
    setGpsInfo()
    pins.setup(pio.P0_3, 0) --GPS复位
    pins.setup(pio.P0_18, 1) --关闭GPS供电

end



gps.setUart(3,9600,8,uart.PAR_NONE,uart.STOP_1)
function openGpsSwitch( )
    -- body

    if gpsEnable == 1 then 
        -- body
        --中科微GPS
        --打开GPS供电
        pins.setup(pio.P0_18, 0)
        --拉高GPS工作，拉低GPS复位
        pins.setup(pio.P0_3, 1)


        if not gps.isOpen() then
            -- body
            gpsTimerId = sys.timerLoopStart(printGps,4000)
            gps.open(gps.TIMERORSUC,{tag="GPS_TAG",val=120,cb=gpsLocateCb})
        end

    end
end



local gpsInterval = nvm.get("gpsInterval") or 1800
sys.timerLoopStart(openGpsSwitch, gpsInterval*1000)



sys.taskInit(function()
    sys.wait(5000)
    openGpsSwitch()
    while true do
        if socket.isReady() then    --连上网再开始运行

            local result = sys.waitUntil("pub_gps_location_success_msg")

            if socket.isReady() and result == true then
                -- body
                local heartBeatData =modbusTT.getHeartbeatContent()
                sys.publish("LOCAL_PUB_MSG", json.encode({["topic"]="SHEGCL/IntelligenTool/Heart",["data"]=heartBeatData}))
            end
        else    --没连上网别忘了延时！不然会陷入while true死循环，导致模块无法运行其他代码
            -- log.info("socket not ready")
            sys.wait(5000)          --等待5秒
        end
    end
end)