18d35985e6
d'ap wifi *vu* par le NodeMCU Maintenant il faut que j'extrais les coordonnées GPS de chaque ap wifi les plus proches afin de pouvoir afficher dans un google mymap tous les ap wifi du quartier
236 lines
7.1 KiB
Lua
236 lines
7.1 KiB
Lua
-- parse les données GPX avec les données des ap wifi du NodeMCU pour les
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-- cooréler en fonction du temps afin de pouvoir géolocaliser les ap wifi
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print("\n gpx2gpsapwifi.lua zfzf200803.1052 \n")
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zgpx_tab = {}
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zidx_gpx_tab = 0
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zapwifi_tab = {}
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zidx_apwifi_tab1 = 0
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zidx_apwifi_tab2 = 0
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ztime_old = 0
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ztime2020 = 1577836800 -- Unix time pour 1.1.2020 0:0:0 GMT
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function zround(num, dec)
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local mult = 10^(dec or 0)
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return math.floor(num * mult + 0.5) / mult
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end
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function zcalc_distance(zrssi)
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zrssi_1m=-40 zn=2
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zdist=10^((zrssi_1m - zrssi) / (10 * zn))
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return zdist
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end
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function tprint(t)
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for key,value in pairs(t) do
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print(key, value)
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end
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end
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function zunixtime2datetime(zunixtime)
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local datetime = os.date("%Y/%m/%d %H:%M:%S",zunixtime-2*3600)
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return datetime
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end
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function zdatetime2unixtime(zdatetime)
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-- source: https://stackoverflow.com/questions/4105012/convert-a-string-date-to-a-timestamp
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-- https://www.unixtimestamp.com/index.php
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-- Assuming a date pattern like: yyyy-mm-ddThh:mm:ss
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local pattern = "(%d+)-(%d+)-(%d+)T(%d+):(%d+):(%d+)"
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-- local timeToConvert = "2020-07-27T20:03:27"
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local timeToConvert = zdatetime
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local runyear, runmonth, runday, runhour, runminute, runseconds = timeToConvert:match(pattern)
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local convertedTimestamp = os.time({year = runyear, month = runmonth, day = runday, hour = runhour, min = runminute, sec = runseconds})
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return (convertedTimestamp+2*3600)
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end
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function gpx2tab(zfile_gpx)
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i = 1
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for line in io.lines(zfile_gpx) do
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-- print(line)
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-- <trkpt lat="46.5421696" lon="6.5749532">
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if string.find(line, "<trkpt ") then
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-- print("coucou gps")
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-- récupère la longitude
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p1, p2 = string.find(line, "lat=\"")
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-- print(p1,p2)
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p3 = string.find(line, "\"", p2+1)
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-- print(p3)
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zlat = string.sub(line,p2+1,p3-1)
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-- print("lat: " ..zlat)
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-- récupère la latitude
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p1, p2 = string.find(line, "lon=\"")
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-- print(p1,p2)
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p3 = string.find(line, "\"", p2+1)
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-- print(p3)
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zlon = string.sub(line,p2+1,p3-1)
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-- print("lon: " ..zlon)
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end
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-- <time>2020-07-27T20:03:27Z</time>
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if string.find(line, "<time>") then
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-- print("coucou time")
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-- récupère le temps
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p1, p2 = string.find(line, "<time>")
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-- print(p1,p2)
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p3 = string.find(line, "Z</time>", p2+1)
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-- print(p3)
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ztime = string.sub(line,p2+1,p3-1)
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-- print("time: " ..ztime)
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zunixtime = zdatetime2unixtime(ztime)+2*3600
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-- print("unixtime: " ..zunixtime)
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-- on a le temps et les coordonnées on peut les sauver dans le tableau§
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zidx_gpx_tab = zidx_gpx_tab + 1
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zgpx_tab[zidx_gpx_tab] = {unixtime = zunixtime, time = zunixtime2datetime(zunixtime),lon = zlon, lat = zlat}
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end
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-- juste un petit verrou pour ne pas parser tout le fichiers pendant les tests
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i = i + 1
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if i > 20000 then break end
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end
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end
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function apwifi2tab(zfile_apwifi)
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i = 1
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for line in io.lines(zfile_apwifi) do
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-- print(line)
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-- 18050624, b0:7f:b9:3e:f1:f1, "apzuzu6_EXT", -71
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-- on récupère le temps unix 2020
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p1 = string.find(line, ",")
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zunixtime2020 = string.sub(line, 1, p1-1)
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-- print(zunixtime2020)
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-- on récupère le temps unix 1970
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zunixtime = zunixtime2020 + ztime2020
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-- print(zunixtime)
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-- on récupère la mac adresse
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p2 = string.find(line, ",", p1+1)
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zmacadresse = string.sub(line, p1+2, p2-1)
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-- print(zmacadresse)
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-- on récupère le nom de l'ap wifi
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p3 = string.find(line, ",", p2+1)
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zapwifiname = string.sub(line, p2+3, p3-2)
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-- print(zapwifi)
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-- on récupère le RSSI
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p4 = string.len(line)
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zrssi = string.sub(line, p3+2, p4)
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-- print(zrssi)
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-- est-ce un nouveau groupe de time ?
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if zunixtime ~= ztime_old then
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ztime_old = zunixtime
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zidx_apwifi_tab2 = 0
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zidx_apwifi_tab1 = zidx_apwifi_tab1 + 1
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zapwifi_tab[zidx_apwifi_tab1] = {unixtime = zunixtime, time = zunixtime2datetime(zunixtime), lon = 0, lat = 0, {}}
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end
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zidx_apwifi_tab2 = zidx_apwifi_tab2 + 1
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zapwifi_tab[zidx_apwifi_tab1][zidx_apwifi_tab2] = {mac = zmacadresse, name = zapwifiname, rssi = zrssi, erreur = math.floor(zround(zcalc_distance(zrssi),0))}
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-- juste un petit verrou pour ne pas parser tout le fichiers pendant les tests
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i = i + 1
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if i > 20000 then break end
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end
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end
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function gpx2gpsapwifi()
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for i=1, #zapwifi_tab do
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-- print("groupe: "..i)
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-- print("time apwifi: "..zapwifi_tab[i].time)
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-- print("unxitime apwifi: "..zapwifi_tab[i].unixtime)
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-- print("lon: "..zapwifi_tab[i].lon)
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-- print("lat: "..zapwifi_tab[i].lat)
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j = 1
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while zgpx_tab[j].unixtime < zapwifi_tab[i].unixtime do
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-- print("coucou")
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j = j + 1
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end
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-- print("j: "..j)
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-- print("time gpx: "..zgpx_tab[j].time)
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-- print("unxitime gpx: "..zgpx_tab[j].unixtime)
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zapwifi_tab[i].lon = zgpx_tab[j].lon
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zapwifi_tab[i].lat = zgpx_tab[j].lat
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-- print("lon: "..zapwifi_tab[i].lon)
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-- print("lat: "..zapwifi_tab[i].lat)
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end
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end
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function zprint_apwifi_tab()
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for i=1, #zapwifi_tab do
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print("groupe: "..i.."-----------------")
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print("time: "..zapwifi_tab[i].time)
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print("unxitime: "..zapwifi_tab[i].unixtime)
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print("lon: "..zapwifi_tab[i].lon)
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print("lat: "..zapwifi_tab[i].lat)
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for j=1 , #zapwifi_tab[i] do
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print("idx: "..j)
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print("mac: "..zapwifi_tab[i][j].mac)
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print("name: "..zapwifi_tab[i][j].name)
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print("rssi: "..zapwifi_tab[i][j].rssi)
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print("erreur: "..zapwifi_tab[i][j].erreur)
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end
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end
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end
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gpx2tab("osman_2020-07-27_22-03_Mon.gpx")
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apwifi2tab("pet_tracker_200727.2203.csv")
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gpx2gpsapwifi()
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zprint_apwifi_tab()
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--[[
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zgpx_tab
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1
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time = 123
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lon = 234
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lat = 345
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2
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time = 456
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lon = 567
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lat = 678
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gpx_data[1] = {time = 123, lon = 234, lat = 345}
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]]
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--[[
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zapwifi_tab
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-- 18050624, b0:7f:b9:3e:f1:f1, "apzuzu6_EXT", -71
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1
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unixtime
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time
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lon
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lat
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apwifi
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mac
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name
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rssi
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erreur
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2
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...
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zapwifi_tab[1] = {time = 123, lon = 234, lat = 345, {}}
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zapwifi_tab[1][1] = {mac = 456, rssi = 567}
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zapwifi_tab[1][2] = {mac = 678, rssi = 789}
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print(zapwifi_tab[1][1].rssi)
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print(zapwifi_tab[1][2].mac)
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]]
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-- print(zdatetime2unixtime("2020-07-27T20:03:27"))
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-- for i=1, #zgpx_tab do
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-- print(i)
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-- tprint(zgpx_tab[i])
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-- end
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-- zapwifi_tab[zidx_apwifi_tab1] = {unixtime = zunixtime, time = os.date("%Y/%m/%d %H:%M:%S",zunixtime-2*3600), lon = 0, lat = 0, {}}
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-- zapwifi_tab[zidx_apwifi_tab1][zidx_apwifi_tab2] = {mac = zmacadresse, name = zapwifiname, rssi = zrssi, erreur = 1234}
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