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JonatanRek
2019-08-23 13:39:42 +02:00
commit 8cf912993d
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_FIRMWARE/firmwares/NodeMCU Sensor/ESP_OS_NODE_STABLE/ESP_OS_NODE_STABLE.ino Normal file
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_FIRMWARE/firmwares/NodeMCU Sensor/ESP_OS_NODE_V2.ino/ESP_OS_NODE_V2.ino.ino Normal file
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#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <EEPROM.h>
#include <ESP8266HTTPClient.h>
#include <ArduinoJson.h>
#include "DHT.h"
String ssid = "";
String pasw = "";
String hwId = "";
String url = "";
//Pins
#define LIGHTPIN 13
#define DHTPIN 4
#define DHTTYPE DHT11
#define LED_BUILTIN 16
//Settings
bool deepSleepOn = true;
long sleepTime = 4; //in minutes
bool lightSensor = true;
bool humiditySensor = true;
bool temperatureSensor = true;
ESP8266WebServer server(80);
DHT dht(DHTPIN, DHTTYPE);
void setup() {
Serial.begin(9600);
Serial.setDebugOutput(true);
EEPROM.begin(512);
Serial.println("");
}
void loop() {
restorSetting();
if (!checkConnection()) {
settingMode();
while (true){
Serial.println("CONECTION SETTING LOOP");
server.handleClient();
}
} else {
httpRequest();
sleep();
}
}
//webpages
void handleRoot() {
String s = "<!DOCTYPE html><html><head>";
s += "<meta name=\"viewport\" content=\"width=device-width,user-scalable=0\">";
s += "<title>";
s += "Main";
s += "</title>";
s += "</head>";
s += "<body>";
s += "<a href=\"/restart\"><p>Restartovat</p><a/>";
s += "<a href=\"/setting\"><p>Refrest WIFI Networks</p><a/>";
s += "</body>";
s += "</html>";
server.send(200, "text/html", s);
}
void handleSetting() {
String wifiList = "";
int n = WiFi.scanNetworks();
Serial.println("scan done");
if (n == 0) {
Serial.println("no networks found");
} else {
for (int i = 0; i < n; ++i) {
//Serial.println("SSID: " + WiFi.SSID(i));
wifiList = wifiList + String("<option value=\"");
wifiList = wifiList + String(WiFi.SSID(i));
wifiList = wifiList + String("\">");
wifiList = wifiList + String(WiFi.SSID(i) + "(" + WiFi.RSSI() + ")");
wifiList = wifiList + String("</option>");
}
}
String s = "<!DOCTYPE html><html><head>";
s += "<meta name=\"viewport\" content=\"width=device-width,user-scalable=0\">";
s += "<title>";
s += "Main";
s += "</title>";
s += "</head>";
s += "<body>";
s += "<form method=\"get\" action=\"set\">";
s += "<br>SSID: <select name=\"ssid\">";
s += wifiList;
s += "</select>";
s += "<br>Password: <input name=\"pasw\" length=64 type=\"password\">";
s += "<br>Token: <input name=\"token\" length=64 type=\"text\">";
s += "<br>Api Url: <input name=\"url\" length=64 type=\"url\">";
s += "<input type=\"submit\">";
s += "</form>";
s += "</body>";
s += "</html>";
server.send(200, "text/html", s);
}
//functions
bool restorSetting() {
Serial.println("Reading EEPROM");
ssid = "";
pasw = "";
hwId = "";
url = "";
if (EEPROM.read(0) != 0) {
Serial.println("Reading EEPROM");
for (int i = 0; i < 64; ++i) {
ssid += char(EEPROM.read(i));
}
Serial.println("SSID: " + String(ssid));
for (int i = 64; i < 128; ++i) {
pasw += char(EEPROM.read(i));
}
Serial.println("PASS: " + String(pasw));
for (int i = 128; i < 192; ++i) {
hwId += char(EEPROM.read(i));
}
Serial.println("TOKEN: " + String(hwId));
for (int i = 192; i < 256; ++i) {
url += char(EEPROM.read(i));
}
Serial.println("URL: " + String(url));
return true;
} else {
return false;
}
}
String urlDecode(String input) {
String s = input;
s.replace("%20", " ");
s.replace("+", " ");
s.replace("%21", "!");
s.replace("%22", "\"");
s.replace("%23", "#");
s.replace("%24", "$");
s.replace("%25", "%");
s.replace("%26", "&");
s.replace("%27", "\'");
s.replace("%28", "(");
s.replace("%29", ")");
s.replace("%30", "*");
s.replace("%31", "+");
s.replace("%2C", ",");
s.replace("%2E", ".");
s.replace("%2F", "/");
s.replace("%2C", ",");
s.replace("%3A", ":");
s.replace("%3A", ";");
s.replace("%3C", "<");
s.replace("%3D", "=");
s.replace("%3E", ">");
s.replace("%3F", "?");
s.replace("%40", "@");
s.replace("%5B", "[");
s.replace("%5C", "\\");
s.replace("%5D", "]");
s.replace("%5E", "^");
s.replace("%5F", "-");
s.replace("%60", "`");
return s;
}
bool checkConnection() {
int count = 0;
WiFi.persistent(false);
WiFi.mode(WIFI_STA);
WiFi.forceSleepWake();
WiFi.begin(ssid, pasw);
Serial.print("Waiting for Wi-Fi connection");
while ( count < 30 ) {
if (WiFi.status() == WL_CONNECTED) {
Serial.println();
Serial.println("Connected!");
return (true);
}
delay(500);
Serial.print(".");
count++;
}
Serial.println("Timed out.");
return false;
}
void settingMode(){
WiFi.mode(WIFI_AP);
WiFi.softAP("NodeMeter");
IPAddress myIP = WiFi.softAPIP();
Serial.print("HotSpt IP:");
Serial.println(myIP);
server.on("/", handleRoot);
server.on("/restart", []() {
ESP.restart();
});
server.on("/setting", handleSetting);
server.on("/set", []() {
for (int i = 0; i < 96; ++i) {
EEPROM.write(i, 'e');
}
EEPROM.commit();
ssid = server.arg("ssid");
pasw = server.arg("pasw");
hwId = server.arg("token");
url = server.arg("url");
for (int i = 0; i < 256; ++i) {
EEPROM.write(i, 0);
}
Serial.println("Writing EEPROM...");
Serial.println("SSID:" + ssid);
for (int i = 0; i < ssid.length(); ++i) {
EEPROM.write(i,ssid[i]);
}
Serial.println("PASW:" + pasw);
for (int i = 0; i < pasw.length(); ++i) {
EEPROM.write(64 + i, pasw[i]);
}
Serial.println("TOKEN:" + hwId);
for (int i = 0; i < hwId.length(); ++i) {
EEPROM.write(128 + i, hwId[i]);
}
Serial.println("URL:" + url);
for (int i = 0; i < url.length(); ++i) {
EEPROM.write(192 + i, url[i]);
}
EEPROM.commit();
Serial.println("Write EEPROM done!");
String s = "<h1>Setup complete.</h1><p>device will be connected to \"";
s += ssid;
s += "\" after the restart.";
server.send(200, "text/html", s);
ESP.restart();
});
server.begin();
Serial.println("HTTP server started");
}
bool httpRequest(){
StaticJsonDocument<1024> sendContent;
sendContent["token"] = hwId;
if (temperatureSensor){
sendContent["values"]["temp"]["value"] = String(getTemperature());
sendContent["values"]["temp"]["unit"] = "C";
}
if (humiditySensor){
sendContent["values"]["humi"]["value"] = String(getHumidity());
sendContent["values"]["humi"]["unit"] = "%";
}
if (lightSensor){
sendContent["values"]["light"]["value"] = String(getLight());
sendContent["values"]["light"]["unit"] = "";
}
String requestJson = "";
serializeJson(sendContent, requestJson);
Serial.println("JSON: " + requestJson);
HTTPClient http;
http.begin(String(url));
http.addHeader("Content-Type", "application/json"); //Specify content-type header
int httpCode = http.POST(requestJson);
String payload = http.getString(); //Get the response payload
http.end();
DynamicJsonDocument doc(1024);
deserializeJson(doc, payload);
String hostname = doc["device"]["hostname"];
sleepTime = doc["device"]["sleepTime"];
WiFi.hostname(hostname);
Serial.println("HTTP CODE: " + String(httpCode) + ""); //Print HTTP return code
Serial.println("HTTP BODY: " + String(payload) + ""); //Print request response payload
http.end(); //Close connection
}
void sleep(){
Serial.println("DISCONECTED FROM WIFI");
WiFi.disconnect();
if (deepSleepOn) {
Serial.println("GOING TO SLEEP FOR " + String(sleepTime));
ESP.deepSleep((sleepTime * 60) * 1000000, RF_DEFAULT); // 20e6 is 20 microseconds
delay(1000);
} else {
delay(1000);
delay(sleepTime);
}
}
//ReadTemperatures
float getTemperature() {
float t = dht.readTemperature();
//Serial.print(dht.readTemperature());
//Serial.println(t);
if (isnan(t)) {
Serial.println( "Failed to read temperature from sensor!") ;
return 999;
}
return t;
}
float getHumidity() {
float h = dht.readHumidity();
//Serial.println(h);
if (isnan(h)) {
Serial.println("Failed to read humidity from sensor!");
return 999;
}
return h;
}
int getLight() {
int l = analogRead(LIGHTPIN);
if (l > 1000) {
return 1;
} else {
return 0;
}
Serial.println("Failed to read light from sensor!");
return 999;
}