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+--[[
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+@module lbsLoc
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+@summary lbsLoc 发送基站定位请求
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+@version 1.0
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+@date 2022.12.16
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+@author luatos
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+@usage
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+--注意:因使用了sys.wait()所有api需要在协程中使用
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+--用法实例
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+--注意:此处的PRODUCT_KEY仅供演示使用,不能用于生产环境
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+--量产项目中一定要使用自己在iot.openluat.com中创建的项目productKey,项目详情里可以查看
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+--基站定位的坐标系是 WSG84
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+PRODUCT_KEY = "v32xEAKsGTIEQxtqgwCldp5aPlcnPs3K"
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+local lbsLoc = require("lbsLoc")
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+-- 功能:获取基站对应的经纬度后的回调函数
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+-- 参数:-- result:number类型,0表示成功,1表示网络环境尚未就绪,2表示连接服务器失败,3表示发送数据失败,4表示接收服务器应答超时,5表示服务器返回查询失败;为0时,后面的5个参数才有意义
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+ -- lat:string类型,纬度,整数部分3位,小数部分7位,例如031.2425864
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+ -- lng:string类型,经度,整数部分3位,小数部分7位,例如121.4736522
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+ -- addr:目前无意义
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+ -- time:string类型或者nil,服务器返回的时间,6个字节,年月日时分秒,需要转为十六进制读取
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+ -- 第一个字节:年减去2000,例如2017年,则为0x11
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+ -- 第二个字节:月,例如7月则为0x07,12月则为0x0C
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+ -- 第三个字节:日,例如11日则为0x0B
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+ -- 第四个字节:时,例如18时则为0x12
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+ -- 第五个字节:分,例如59分则为0x3B
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+ -- 第六个字节:秒,例如48秒则为0x30
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+ -- locType:numble类型或者nil,定位类型,0表示基站定位成功,255表示WIFI定位成功
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+function getLocCb(result, lat, lng, addr, time, locType)
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+ log.info("testLbsLoc.getLocCb", result, lat, lng)
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+ -- 获取经纬度成功, 坐标系WGS84
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+ if result == 0 then
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+ log.info("服务器返回的时间", time:toHex())
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+ log.info("定位类型,基站定位成功返回0", locType)
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+ end
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+end
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+
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+sys.taskInit(function()
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+ sys.waitUntil("IP_READY", 30000)
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+ while 1 do
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+ mobile.reqCellInfo(15)
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+ sys.waitUntil("CELL_INFO_UPDATE", 3000)
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+ lbsLoc.request(getLocCb)
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+ sys.wait(60000)
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+ end
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+end)
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+]]
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+
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+local sys = require "sys"
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+local sysplus = require("sysplus")
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+local libnet = require("libnet")
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+
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+local lbsLoc = {}
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+local d1Name = "lbsLoc"
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+
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+--- ASCII字符串 转化为 BCD编码格式字符串(仅支持数字)
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+-- @string inStr 待转换字符串
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+-- @number destLen 转换后的字符串期望长度,如果实际不足,则填充F
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+-- @return string data,转换后的字符串
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+-- @usage
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+local function numToBcdNum(inStr,destLen)
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+ local l,t,num = string.len(inStr or ""),{}
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+ destLen = destLen or (inStr:len()+1)/2
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+ for i=1,l,2 do
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+ num = tonumber(inStr:sub(i,i+1),16)
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+ if i==l then
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+ num = 0xf0+num
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+ else
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+ num = (num%0x10)*0x10 + (num-(num%0x10))/0x10
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+ end
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+ table.insert(t,num)
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+ end
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+
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+ local s = string.char(unpack(t))
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+
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+ l = string.len(s)
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+ if l < destLen then
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+ s = s .. string.rep("\255",destLen-l)
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+ elseif l > destLen then
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+ s = string.sub(s,1,destLen)
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+ end
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+
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+ return s
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+end
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+
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+--- BCD编码格式字符串 转化为 号码ASCII字符串(仅支持数字)
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+-- @string num 待转换字符串
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+-- @return string data,转换后的字符串
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+-- @usage
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+local function bcdNumToNum(num)
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+ local byte,v1,v2
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+ local t = {}
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+
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+ for i=1,num:len() do
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+ byte = num:byte(i)
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+ v1,v2 = bit.band(byte,0x0f),bit.band(bit.rshift(byte,4),0x0f)
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+
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+ if v1 == 0x0f then break end
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+ table.insert(t,v1)
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+
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+ if v2 == 0x0f then break end
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+ table.insert(t,v2)
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+ end
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+
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+ return table.concat(t)
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+end
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+
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+
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+local function netCB(msg)
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+ --log.info("未处理消息", msg[1], msg[2], msg[3], msg[4])
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+end
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+
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+
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+local function enCellInfo(s)
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+ local ret,t,mcc,mnc,lac,ci,rssi,k,v,m,n,cntrssi = "",{}
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+ for k,v in pairs(s) do
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+ mcc,mnc,lac,ci,rssi = v.mcc,v.mnc,v.tac,v.cid,((v.rsrq + 144) >31) and 31 or (v.rsrq + 144)
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+ local handle = nil
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+ for k,v in pairs(t) do
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+ if v.lac == lac and v.mcc == mcc and v.mnc == mnc then
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+ if #v.rssici < 8 then
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+ table.insert(v.rssici,{rssi=rssi,ci=ci})
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+ end
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+ handle = true
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+ break
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+ end
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+ end
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+ if not handle then
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+ table.insert(t,{mcc=mcc,mnc=mnc,lac=lac,rssici={{rssi=rssi,ci=ci}}})
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+ end
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+ log.debug("rssi,mcc,mnc,lac,ci", rssi,mcc,mnc,lac,ci)
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+ end
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+ for k,v in pairs(t) do
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+ ret = ret .. pack.pack(">HHb",v.lac,v.mcc,v.mnc)
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+ for m,n in pairs(v.rssici) do
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+ cntrssi = bit.bor(bit.lshift(((m == 1) and (#v.rssici-1) or 0),5),n.rssi)
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+ ret = ret .. pack.pack(">bi",cntrssi,n.ci)
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+ end
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+ end
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+ return string.char(#t)..ret
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+end
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+
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+local function enWifiInfo(tWifi)
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+ local ret,cnt = "", 0
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+ if tWifi then
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+ for k,v in pairs(tWifi) do
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+ -- log.info("lbsLoc.enWifiInfo",k,v)
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+ ret = ret..pack.pack("Ab",(k:gsub(":","")):fromHex(),(v<0) and (v+255) or v)
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+ cnt = cnt+1
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+ end
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+ end
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+ return string.char(cnt)..ret
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+end
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+
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+local function enMuid() --获取模块MUID
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+ local muid = mobile.muid()
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+ return string.char(muid:len())..muid
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+end
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+
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+local function trans(str)
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+ local s = str
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+ if str:len()<10 then
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+ s = str..string.rep("0",10-str:len())
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+ end
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+
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+ return s:sub(1,3).."."..s:sub(4,10)
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+end
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+
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+
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+local function taskClient(cbFnc, reqAddr, timeout, productKey, host, port,reqTime, reqWifi)
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+ if mobile.status() == 0 then
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+ if not sys.waitUntil("IP_READY", timeout) then return cbFnc(1) end
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+ sys.wait(500)
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+ end
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+ if productKey == nil then
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+ productKey = ""
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+ end
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+ local retryCnt = 0
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+ local reqStr = pack.pack("bAbAAAAA", productKey:len(), productKey,
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+ (reqAddr and 2 or 0) + (reqTime and 4 or 0) + 8 +(reqWifi and 16 or 0) + 32, "",
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+ numToBcdNum(mobile.imei()), enMuid(),
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+ enCellInfo(mobile.getCellInfo()),
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+ enWifiInfo(reqWifi))
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+ log.debug("reqStr", reqStr:toHex())
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+ local rx_buff = zbuff.create(17)
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+ -- sys.wait(5000)
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+ while true do
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+ local result,succ,param
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+ local netc = socket.create(nil, d1Name) -- 创建socket对象
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+ if not netc then cbFnc(6) return end -- 创建socket失败
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+ socket.debug(netc, false)
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+ socket.config(netc, nil, true, nil)
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+ --result = libnet.waitLink(d1Name, 0, netc)
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+ result = libnet.connect(d1Name, 5000, netc, host, port)
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+ if result then
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+ while true do
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+ -- log.info(" lbsloc socket_service connect true")
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+ result = libnet.tx(d1Name, 0, netc, reqStr) ---发送数据
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+ if result then
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+ result, param = libnet.wait(d1Name, 15000 + retryCnt * 5, netc)
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+ if not result then
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+ socket.close(netc)
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+ socket.release(netc)
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+ retryCnt = retryCnt+1
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+ if retryCnt>=3 then return cbFnc(4) end
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+ break
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+ end
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+ succ, param = socket.rx(netc, rx_buff) -- 接收数据
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+ -- log.info("是否接收和数据长度", succ, param)
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+ if param ~= 0 then -- 如果接收成功
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+ socket.close(netc) -- 关闭连接
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+ socket.release(netc)
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+ local read_buff = rx_buff:toStr(0, param)
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+ rx_buff:clear()
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+ log.debug("lbsLoc receive", read_buff:toHex())
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+ if read_buff:len() >= 11 and(read_buff:byte(1) == 0 or read_buff:byte(1) == 0xFF) then
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+ local locType = read_buff:byte(1)
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+ cbFnc(0, trans(bcdNumToNum(read_buff:sub(2, 6))),
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+ trans(bcdNumToNum(read_buff:sub(7, 11))), reqAddr and
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+ read_buff:sub(13, 12 + read_buff:byte(12)) or nil,
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+ reqTime and read_buff:sub(reqAddr and (13 + read_buff:byte(12)) or 12, -1) or "",
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+ locType)
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+ else
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+ log.warn("lbsLoc.query", "根据基站查询经纬度失败")
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+ if read_buff:byte(1) == 2 then
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+ log.warn("lbsLoc.query","main.lua中的PRODUCT_KEY和此设备在iot.openluat.com中所属项目的ProductKey必须一致,请去检查")
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+ else
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+ log.warn("lbsLoc.query","基站数据库查询不到所有小区的位置信息")
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+ -- log.warn("lbsLoc.query","在trace中向上搜索encellinfo,然后在电脑浏览器中打开http://bs.openluat.com/,手动查找encellinfo后的所有小区位置")
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+ -- log.warn("lbsLoc.query","如果手动可以查到位置,则服务器存在BUG,直接向技术人员反映问题")
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+ -- log.warn("lbsLoc.query","如果手动无法查到位置,则基站数据库还没有收录当前设备的小区位置信息,向技术人员反馈,我们会尽快收录")
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+ end
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+ cbFnc(5)
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+ end
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+ return
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+ else
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+ socket.close(netc)
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+ socket.release(netc)
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+ retryCnt = retryCnt+1
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+ if retryCnt>=3 then return cbFnc(4) end
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+ break
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+ end
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+ else
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+ socket.close(netc)
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+ socket.release(netc)
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+ retryCnt = retryCnt+1
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+ if retryCnt>=3 then return cbFnc(3) end
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+ break
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+ end
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+ end
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+ else
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+ socket.close(netc)
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+ socket.release(netc)
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+ retryCnt = retryCnt + 1
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+ if retryCnt >= 3 then return cbFnc(2) end
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+ end
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+ end
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+end
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+
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+
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+--[[
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+发送基站定位请求
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+@api lbsLoc.request(cbFnc,reqAddr,timeout,productKey,host,port,reqTime,reqWifi)
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+@function cbFnc 用户回调函数,回调函数的调用形式为:cbFnc(result,lat,lng,addr,time,locType)
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+@bool reqAddr 是否请求服务器返回具体的位置字符串信息,已经不支持,填false或者nil
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+@number timeout 请求超时时间,单位毫秒,默认20000毫秒
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+@string productKey IOT网站上的产品KEY,如果在main.lua中定义了PRODUCT_KEY变量,则此参数可以传nil
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+@string host 服务器域名, 默认 "bs.openluat.com" ,可选备用服务器(不保证可用) "bs.air32.cn"
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+@string port 服务器端口,默认"12411",一般不需要设置
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+@return nil
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+@usage
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+-- 提醒: 返回的坐标值, 是WGS84坐标系
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+]]
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+function lbsLoc.request(cbFnc,reqAddr,timeout,productKey,host,port,reqTime,reqWifi)
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+ sysplus.taskInitEx(taskClient, d1Name, netCB, cbFnc, reqAddr,timeout or 20000,productKey or _G.PRODUCT_KEY,host or "bs.openluat.com",port or "12411", reqTime == nil and true or reqTime,reqWifi)
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+end
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+
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+return lbsLoc
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