hiajen/NodeMCU-WeatherStation
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add prediction and stuff

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Hiajen Hiajen 2022-03-08 16:40:08 +01:00
parent 1e4704b5bc
commit a22a059ac3
2 changed files with 175 additions and 49 deletions
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151
src/Weather.c.ino
View file

@ -4,27 +4,39 @@
#include <ESP8266WebServer.h> #include <ESP8266WebServer.h>
#include "DHT.h" #include "DHT.h"
#include <SPI.h> #include <SPI.h>
#include <unistd.h>
#include "proj_password.h" #include "proj_conf.h"
#define LED 2 // On board LED #define LED 2 // On board LED
#define DHTTYPE DHT22 // DHT 11 #define DHTTYPE DHT22 // DHT 11
uint8_t DHTPin = 12; uint8_t DHTPin = 12;
DHT dht(DHTPin, DHTTYPE); DHT dht(DHTPin, DHTTYPE);
const char *ntpServer = "pool.ntp.org";
const long gmtOffset_sec = 3600; // Replace with your GMT offset (seconds)
const int daylightOffset_sec = 0; // Replace with your daylight offset (seconds)
// Generally, you should use "unsigned long" for variables that hold time
// The value will quickly become too large for an int to store
unsigned long previousMillis = 0;
// constants won't change :
float time_till_update = 10;
// define device I2C address: 0x76 or 0x77 (0x77 is library default address) // define device I2C address: 0x76 or 0x77 (0x77 is library default address)
#define BMP280_I2C_ADDRESS 0x76 #define BMP280_I2C_ADDRESS 0x76
// initialize Adafruit BMP280 library // initialize Adafruit BMP280 library
Adafruit_BMP280 bmp280; Adafruit_BMP280 bmp280;
float humidity, temperature, temperature_2, pressure; float humidity, temperature, temperature_2, pressure;
int currZambretti = 26;
ESP8266WebServer server(80); // Server on port 80 ESP8266WebServer server(80); // Server on port 80
const char MAIN_page[] PROGMEM = R"=====( const char MAIN_page[] PROGMEM = R"=====(
<!doctype html> <!doctype html>
<html> <html>
<head> <head>
<title>Weather</title> <title>Weather</title>
<h1 style="text-align:center; color:red;">Some Weather ....</h1> <h1 style="text-align:center; color:red;">Some Weather</h1>
<h3 style="text-align:center;">NodeMCU Data Logger</h3> <h3 style="text-align:center;">NodeMCU Data Logger</h3>
<style> <style>
canvas{ canvas{
@ -63,21 +75,26 @@ const char MAIN_page[] PROGMEM = R"=====(
<th>Temperature 2 (&deg;C)</th> <th>Temperature 2 (&deg;C)</th>
<th>Humidity (%)</th> <th>Humidity (%)</th>
<th>Pressure (hPa)</th> <th>Pressure (hPa)</th>
<th>Zambretti</th>
<th>next update in (m)</th>
</tr> </tr>
</table> </table>
</div> </div>
<br> <br>
<br> <br>
<script> <script>
var z_forecast = new Array("Settled fine", "Fine weather", "Becoming fine", "Fine, becoming less settled", "Fine, possible showers", "Fairly fine, improving", "Fairly fine, possible showers early", "Fairly fine, showery later", "Showery early, improving", "Changeable, mending", "Fairly fine, showers likely", "Rather unsettled clearing later", "Unsettled, probably improving", "Showery, bright intervals", "Showery, becoming less settled", "Changeable, some rain", "Unsettled, short fine intervals", "Unsettled, rain later", "Unsettled, some rain", "Mostly very unsettled", "Occasional rain, worsening", "Rain at times, very unsettled", "Rain at frequent intervals", "Rain, very unsettled", "Stormy, may improve", "Stormy, much rain", "NaN");
var Tvalues = []; var Tvalues = [];
var Hvalues = []; var Hvalues = [];
var timeStamp = []; var timeStamp = [];
var T2value = []; var T2value = [];
var Pvalue = []; var Pvalue = [];
var Zvalue = [];
var dTvalue = [];
setInterval(function() { setInterval(function() {
// Call a function repetatively with 5 Second interval // Call a function repetatively with 5 Second interval
getData(); getData();
}, 5000); //5000mSeconds update rate }, 60000); //5000mSeconds update rate
function getData() { function getData() {
var xhttp = new XMLHttpRequest(); var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() { xhttp.onreadystatechange = function() {
@ -90,6 +107,8 @@ function getData() {
Hvalues.push(obj.Humidity); Hvalues.push(obj.Humidity);
T2value.push(obj.Temperature_2); T2value.push(obj.Temperature_2);
Pvalue.push(obj.Pressure); Pvalue.push(obj.Pressure);
Zvalue.push(obj.forcast_num);
dTvalue.push(obj.time_till_update);
timeStamp.push(time); timeStamp.push(time);
if(Tvalues.length > 10){ if(Tvalues.length > 10){
@ -98,6 +117,8 @@ function getData() {
timeStamp.pop(); timeStamp.pop();
T2value.pop(); T2value.pop();
Pvalue.pop(); Pvalue.pop();
Zvalue.pop();
dTvalue.pop();
document.getElementById("dataTable").deleteRow(10); document.getElementById("dataTable").deleteRow(10);
} }
@ -109,12 +130,16 @@ function getData() {
var cell3 = row.insertCell(2); var cell3 = row.insertCell(2);
var cell4 = row.insertCell(3); var cell4 = row.insertCell(3);
var cell5 = row.insertCell(4); var cell5 = row.insertCell(4);
var cell6 = row.insertCell(5);
var cell7 = row.insertCell(6);
cell1.innerHTML = time; cell1.innerHTML = time;
cell2.innerHTML = obj.Temperature; cell2.innerHTML = obj.Temperature;
cell3.innerHTML = obj.Temperature_2; cell3.innerHTML = obj.Temperature_2;
cell4.innerHTML = obj.Humidity; cell4.innerHTML = obj.Humidity;
cell5.innerHTML = obj.Pressure; cell5.innerHTML = obj.Pressure;
cell6.innerHTML = obj.forcast_num + " | " + z_forecast[obj.forcast_num];
cell7.innerHTML = obj.time_till_update;
} }
}; };
xhttp.open("GET", "readData", true); //Handle readData server on ESP8266 xhttp.open("GET", "readData", true); //Handle readData server on ESP8266
@ -126,15 +151,21 @@ function getData() {
)====="; )=====";
void handleRoot()
void handleRoot() { {
String s = MAIN_page; // Read HTML contents String s = MAIN_page; // Read HTML contents
server.send(200, "text/html", s); // Send web page server.send(200, "text/html", s); // Send web page
} }
void readData() { void readData()
{
String data = "{\"Temperature\":\"" + String(temperature) + "\", \"Humidity\":\"" + String(humidity) + "\", \"Temperature_2\":\"" + String(temperature_2) + "\", \"Pressure\":\"" + String(pressure) + "\" }"; String data = "{\"Temperature\":\"" + String(temperature)
+ "\", \"Humidity\":\"" + String(humidity)
+ "\", \"Temperature_2\":\"" + String(temperature_2)
+ "\", \"Pressure\":\"" + String(pressure)
+ "\", \"forcast_num\": " + String(currZambretti)
+ ", \"time_till_update\": " + String(time_till_update) + " }";
digitalWrite(LED, !digitalRead(LED)); // Toggle LED on data request ajax digitalWrite(LED, !digitalRead(LED)); // Toggle LED on data request ajax
server.send(200, "text/plane", data); // Send ADC value, temperature and humidity JSON to client ajax request server.send(200, "text/plane", data); // Send ADC value, temperature and humidity JSON to client ajax request
delay(2000); delay(2000);
@ -145,7 +176,12 @@ void readData() {
temperature_2 = (bmp280.readTemperature()); // get temperature temperature_2 = (bmp280.readTemperature()); // get temperature
pressure = (bmp280.readPressure() / 100); // get pressure pressure = (bmp280.readPressure() / 100); // get pressure
Serial.println("T1: " + String(temperature) + " T2:" + String(temperature_2) + " H:" + String(humidity) + " P: " + String(pressure)); Serial.println("T1: " + String(temperature)
+ " T2:" + String(temperature_2)
+ " H:" + String(humidity)
+ " P: " + String(pressure)
+ " Z: " + String(currZambretti)
+ " dT: " + String(time_till_update));
} }
void setup() void setup()
@ -159,7 +195,8 @@ void setup ()
// Wire.begin(D1, D2); // set I2C pins [SDA = D2, SCL = D1], default clock is 100kHz // Wire.begin(D1, D2); // set I2C pins [SDA = D2, SCL = D1], default clock is 100kHz
// Wire.begin(4, 0); // Wire.begin(4, 0);
Wire.begin(); Wire.begin();
while(!bmp280.begin(BMP280_I2C_ADDRESS)){ while (!bmp280.begin(BMP280_I2C_ADDRESS))
{
Serial.println("BPM280 put"); Serial.println("BPM280 put");
delay(1000); delay(1000);
} }
@ -170,7 +207,8 @@ void setup ()
pinMode(LED, OUTPUT); pinMode(LED, OUTPUT);
// Wait for connection // Wait for connection
while (WiFi.status() != WL_CONNECTED) { while (WiFi.status() != WL_CONNECTED)
{
delay(500); delay(500);
Serial.print("."); Serial.print(".");
} }
@ -186,9 +224,100 @@ void setup ()
server.on("/readData", readData); // This page is called by java Script AJAX server.on("/readData", readData); // This page is called by java Script AJAX
server.begin(); // Start server server.begin(); // Start server
configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
Serial.println("HTTP server started"); Serial.println("HTTP server started");
} }
void loop(void){ void loop(void)
{
server.handleClient(); // Handle client requests server.handleClient(); // Handle client requests
unsigned long currentMillis = millis();
time_till_update = ((interval - (currentMillis - previousMillis)) / 60000.0);
if (currentMillis - previousMillis >= interval)
{
// save the last time you blinked the LED
previousMillis = currentMillis;
zembretti_number_calc();
}
}
/////////////////////////////////////////
// WEATHER PREDICTION
/////////////////////////////////////////
int rise_options[] = {25, 25, 25, 24, 24, 19, 16, 12, 11, 9, 8, 6, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0};
int steady_options[] = {25, 25, 25, 25, 25, 25, 23, 23, 22, 18, 15, 13, 10, 4, 1, 1, 0, 0, 0, 0, 0, 0};
int fall_options[] = {25, 25, 25, 25, 25, 25, 25, 25, 23, 23, 21, 20, 17, 14, 7, 3, 1, 1, 1, 0, 0, 0};
float prev_pressure = 0;
void zembretti_number_calc(){
Serial.println("Calc new Zembretti");
float curr_pressure = (bmp280.readPressure() / 100); // get pressure
time_t rawtime;
struct tm *timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
int mon = timeinfo->tm_mon;
float pressureRange = (maxAvgPressure - minAvgPressure);
float calculus = (float) curr_pressure;
int isRising = 0;
// calc if pressure is rising or not, default is equal
if (curr_pressure > prev_pressure)
isRising = 1;
else if (prev_pressure > curr_pressure)
isRising = -1;
if (isNorthern){
// no wind data so ignore calculation for it
if ( mon >= 4 && mon <= 9 ) {// if Summer
if (isRising == 1) {
calculus += (7 / 100) * pressureRange;
} else if (isRising == -1) {
calculus -= (7 / 100) * pressureRange;
}
}
} else {
// no wind data so ignore calculation for it
if ( mon < 4 || mon > 9 ) {// if Summer
if (isRising == 1) {
calculus += (7 / 100) * pressureRange;
} else if (isRising == -1) {
calculus -= (7 / 100) * pressureRange;
}
}
}
calculus = (curr_pressure - minAvgPressure) / (pressureRange / 22);
prev_pressure = curr_pressure;
// non expectet values
if (calculus < 0){
currZambretti = 26;
return;
}
if (calculus >= 22) {
currZambretti = 26;
return;
}
if(isRising > 0)
currZambretti = rise_options[(int) calculus];
else if (isRising < 0)
currZambretti = fall_options[(int) calculus];
else
currZambretti = steady_options[(int) calculus];
return;
} }

3
src/proj_password.h
View file

@ -1,3 +0,0 @@
//SSID and Password of your WiFi router
const char* ssid = "";
const char* password = "";