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May 9, 2016 13:00
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NodeMcu + DHT22
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-- | |
-- Fichier dht22.lua | |
-- | |
-- Permet la lecture de la température et le pourcentage d'humidité | |
-- Envoi les valeurs obtenus dans une socket TCP | |
-- | |
local dht = require 'dht' | |
DHT_PIN = 4 | |
SERVER_IP = "xxx.xxx.xxx.xxx" | |
SERVER_PORT = 8888 | |
DEEP_SLEEP_DURATION = 60000000 | |
conn = net.createConnection(net.TCP, false) | |
-- Lorsque la connexion TCP est réalisé | |
-- Lecture de la température et du pourcentage d'humidité | |
conn:on("connection", function() | |
-- meter = { id = node.chipid(), voltage = adc.readvdd33()} | |
meter = { id = node.chipid() } | |
meter.status, meter.temperature, meter.humidity, temperature_dec, humidity_dec = dht.read(DHT_PIN) | |
conn:send(cjson.encode(meter)) | |
conn:close() | |
end) | |
-- Apres fermeture de la connexion TCP mis en veille prolongée | |
conn:on("disconnection", function() | |
node.dsleep(DEEP_SLEEP_DURATION) | |
end) | |
conn:connect(SERVER_PORT, SERVER_IP) |
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-- | |
-- Fichier init.lua | |
-- | |
-- Executé par défaut par le nodeMCU | |
-- Réalise la connexion Wifi | |
-- Appel des fichiers de configuration | |
WIFI_SSID = "xxxxxxxxxxxxxx" | |
WIFI_PASSWORD = "xxxxxxxxxxxxxxxxx" | |
WIFI_MODE = wifi.PHYMODE_G | |
-- Paramètres de connexion wifi | |
wifi.setmode(wifi.STATION) | |
wifi.setphymode(WIFI_MODE) | |
wifi.sta.config(WIFI_SSID, WIFI_PASSWORD) | |
wifi.sta.connect() | |
tmr.alarm(0, 2000, 1, function() | |
-- Validation de la connxion wifi | |
if wifi.sta.status() == 5 then | |
-- Chargement des différents fichiers | |
files = file.list() | |
for k, v in pairs(files) do | |
if k ~= "init.lua" then | |
dofile(k) | |
end | |
end | |
tmr.stop(0) | |
end | |
end) |
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