Merge branch '44-als-gebruiker-wil-ik-dat-de-website-automatisch-het-aantal-nodes-dat-ik-heb-aangesloten-op-de'

This commit is contained in:
Dano van den Bosch
2024-04-04 22:19:44 +02:00
19 changed files with 605 additions and 169 deletions

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#ifndef headerFile_h
#define headerFile_h
// include these libraries
#include <Wire.h>
// #include <Adafruit_SH110X.h>
// #include <Adafruit_SGP30.h>
// #include "DHT.h"
#include <WiFiMulti.h>
#include <WiFi.h>
// #include <WebSocketsClient.h>
// #include <nodeCodeHeader.h>
// #include <websockets.h>
// define pins on esp32
#define MICPIN 6
#define DHTPIN 7
#define SCL 9
#define SDA 8
#define DHTTYPE DHT11
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define i2c_adress 0x3c
#define OLED_RESET -1 // QT-PY / XIAO
#define USE_SERIAL Serial
// make new objects
// Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// Adafruit_SH110X display = Adafruit_SH110X(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// Adafruit_SH110X display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// Adafruit_SH1106G display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// DHT dht(DHTPIN, DHTTYPE);
// WiFiMulti WiFiMulti;
// Adafruit_SGP30 sgp;
// WebSocketsClient webSocket;
// define variables
uint16_t TVOC_base, eCO2_base;
uint16_t counter = 0;
uint16_t eCO2 = 0;
uint16_t TVOC = 0;
uint16_t interval = 5000;
float temperature = 0;
float humidity = 0;
unsigned long currentMillis;
unsigned long lastMillis;
bool errorSGP30 = false;
bool errorDHT11 = false;
bool noise = false;
#endif

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// include these libraries
#include <Wire.h>
#include <Adafruit_SH110X.h>
#include <Adafruit_SGP30.h>
#include <DHT.h>
#include <WiFiMulti.h>
#include <WiFi.h>
#include <WebSocketsClient.h>
#include <nodeCodeHeader.h>
// define pins on esp32
#define MICPIN 6
#define DHTPIN 7
#define SCL 9
#define SDA 8
#define DHTTYPE DHT11
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define i2c_adress 0x3c
#define OLED_RESET -1 // QT-PY / XIAO
#define USE_SERIAL Serial
// make new objects
Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
DHT dht(DHTPIN, DHTTYPE);
WiFiMulti WiFiMulti;
Adafruit_SGP30 sgp;
WebSocketsClient webSocket;
// define variables
uint16_t TVOC_base, eCO2_base;
uint16_t counter = 0;
uint16_t eCO2 = 0;
uint16_t TVOC = 0;
uint16_t interval = 5000;
float temperature = 0;
float humidity = 0;
unsigned long currentMillis;
unsigned long lastMillis;
bool errorSGP30 = false;
bool errorDHT11 = false;
bool noise = false;

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#include <nodeCodeHeader.h>
nodeReadings esp32Node();
void setup()
{
// put your setup code here, to run once:
esp32Node.setup();
esp32Node.websocketSetup();
esp32Node.resetValues();
}
void loop()
{
// put your main code here, to run repeatedly:
esp32Node.loop();
}

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#include "arduino.h"
#include "nodeCodeHeader.h"
nodeReadings::nodeReadings() {
}
void nodeReadings::setup(){
// make serial connection at 115200 baud
Serial.begin(115200);
// tell display what settings to use
display.begin(i2c_adress, true);
display.clearDisplay();
// tell sensors to start reading
dht.begin();
sgp.begin();
pinMode(MICPIN, INPUT);
pinMode(DHTPIN, INPUT);
}
void nodeReadings::loop() {
// loop the websocket connection so it stays alive
webSocket.loop();
// update when interval is met
if (currentMillis - lastMillis >= interval){
lastMillis = millis();
update();
}
// update the counter
currentMillis = millis();
}
void nodeReadings::resetValues() {
counter = 0;
eCO2 = 0;
TVOC = 0;
temperature = 0;
humidity = 0;
currentMillis = 0;
lastMillis = 0;
errorSGP30 = false;
errorDHT11 = false;
noise = false;
}
// hexdump function for websockets binary handler
void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {
const uint8_t* src = (const uint8_t*) mem;
USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
for(uint32_t i = 0; i < len; i++) {
if(i % cols == 0) {
USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
}
USE_SERIAL.printf("%02X ", *src);
src++;
}
USE_SERIAL.printf("\n");
}

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#ifndef nodeReading_h
#define nodeReading_h
#include "Arduino.h"
#include "headerFile.h"
class nodeReadings {
public:
nodeReadings();
void setup();
void loop();
void resetValues();
private:
};
#endif

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#include <nodeCodeHeader.h>
#include "websockets.h"
nodeReadings esp32Node;
void setup() {
esp32Node.setup();
esp32Node.resetValues();
}
void loop() {
esp32Node.loop();
}

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#include "nodeCodeHeader.h"
nodeReadings::nodeReadings() {
//Making all the new object as defined in the .h file
dht = new DHT(DHTPIN, DHTTYPE);
display = new Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
webSocket = new websockets();
sgp = new Adafruit_SGP30();
//setting the reding for every 5 sec
interval = 5000;
resetValues();
}
//Script for simpley reseting every value to 0
void nodeReadings::resetValues() {
counter = 0;
eCO2 = 0;
TVOC = 0;
temperature = 0;
humidity = 0;
currentMillis = 0;
lastMillis = 0;
errorSGP30 = false;
errorDHT11 = false;
noise = false;
}
//Setup for initilising the dht and sgp sensors. Also the display is set up.
void nodeReadings::setup(){
// make serial connection at 115200 baud
Serial.begin(115200);
// tell display what settings to use
display->begin(i2c_adress, true);
display->clearDisplay();
// tell sensors to start reading
dht->begin();
sgp->begin();
pinMode(MICPIN, INPUT);
pinMode(DHTPIN, INPUT);
webSocket->websocketSetup();
}
void nodeReadings::loop() {
// update when interval is met
if (currentMillis - lastMillis >= interval){
lastMillis = millis();
update();
}
// update the counter
currentMillis = millis();
// loop the websocket connection so it stays alive
webSocket->loop();
}
void nodeReadings::update(){
// display sensordata on oled screen
displayData();
//send the data to the websockets
webSocket->sendMyText("{\"node\": \"" + String(WiFi.macAddress()) + "\", \"Temp\":\"" + String(temperature) + "\",\"Humi\":\"" + String(humidity) + "\",\"eCO2\":\"" + String(sgp->eCO2) + "\",\"TVOC\":\"" + String(sgp->TVOC) + "\"}");
sgp->getIAQBaseline(&eCO2_base, &TVOC_base);
// read dht11 sensor
temperature = float(dht->readTemperature());
humidity = float(dht->readHumidity());
// check if any errors occured when reading sensors
checkForError();
}
void nodeReadings::displayData() {
// clear display for new info
display->clearDisplay();
// display the data on the oled screen
display->setTextSize(2);
display->setTextColor(SH110X_WHITE);
display->setCursor(0,0);
display->println("Temp: " + String(int(temperature)) + "C");
display->println("Humi: " + String(int(humidity)) + "%");
display->println("eCO2: " + String(sgp->eCO2));// + " ppm");
display->println("TVOC: " + String(sgp->TVOC));// + " ppb");
display->display();
}
//function
void nodeReadings::checkForError(){
if (!sgp->IAQmeasure()) {
Serial.println("SGP30: BAD");
errorSGP30 = true;
} else {
Serial.println("SGP30: OK");
errorSGP30 = false;
}
if (isnan(temperature) || isnan(humidity)){
Serial.println("DHT11: BAD");
errorDHT11 = true;
} else {
Serial.println("DHT11: OK");
errorDHT11 = false;
}
}

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#ifndef nodeReading_h
#define nodeReading_h
#include <Wire.h>
#include <Adafruit_SH110X.h>
#include <DHT.h>
#include <Adafruit_SGP30.h>
#include "websockets.h"
// define pins on esp32
#define MICPIN 6
#define DHTPIN 7
#define SCL 9
#define SDA 8
#define DHTTYPE DHT22
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define i2c_adress 0x3c
#define OLED_RESET -1 // QT-PY / XIAO
#define USE_SERIAL Serial
class nodeReadings
{
public:
nodeReadings();
void setup();
void loop();
void resetValues();
void update();
void checkForError();
void displayData();
private:
DHT *dht;
Adafruit_SH1106G *display;
websockets *webSocket;
Adafruit_SGP30 *sgp;
uint16_t TVOC_base, eCO2_base;
uint16_t counter;
uint16_t eCO2;
uint16_t TVOC;
uint16_t interval;
float temperature;
float humidity;
unsigned long currentMillis;
unsigned long lastMillis;
bool errorSGP30;
bool errorDHT11;
bool noise;
};
#endif

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#include "websockets.h"
websockets::websockets(){
webSocket = new WebSocketsClient();
_WiFiMulti = new WiFiMulti();
}
// hexdump function for websockets binary handler
void websockets::hexdump(const void *mem, uint32_t len, uint8_t cols) {
const uint8_t* src = (const uint8_t*) mem;
USE_SERIAL.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);
for(uint32_t i = 0; i < len; i++) {
if(i % cols == 0) {
USE_SERIAL.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);
}
USE_SERIAL.printf("%02X ", *src);
src++;
}
USE_SERIAL.printf("\n");
}
// special function to setup websocket
void websockets::websocketSetup(){
_WiFiMulti->addAP("iotroam", "vbK9gbDBIB");
_WiFiMulti->addAP("LansanKPN-boven", "19sander71vlieland14");
while(_WiFiMulti->run() != WL_CONNECTED) {
delay(100);
}
// server address, port and URL
webSocket->begin("145.92.8.114", 80, "/ws");
// try ever 500 again if connection has failed
webSocket->setReconnectInterval(500);
}
void websockets::loop(){
webSocket->loop();
}
// handler for websocket events
void websockets::webSocketEvent(WStype_t type, uint8_t * payload, size_t length) {
switch(type) {
case WStype_DISCONNECTED:
USE_SERIAL.printf("[WSc] Disconnected!\n");
break;
case WStype_CONNECTED:
USE_SERIAL.printf("[WSc] Connected to url: %s\n", payload);
// send message to server when Connected
webSocket->sendTXT("{\"message\": \"Connected\"}");
break;
case WStype_TEXT:
// send message to server
// webSocket->sendTXT("message here");
break;
case WStype_BIN:
// USE_SERIAL.printf("[WSc] get binary length: %u\n", length);
hexdump(payload, length);
// send data to server
// webSocket->sendBIN(payload, length);
break;
case WStype_ERROR:
case WStype_FRAGMENT_TEXT_START:
case WStype_FRAGMENT_BIN_START:
case WStype_FRAGMENT:
case WStype_FRAGMENT_FIN:
break;
}
}
void websockets::sendMyText(String message) {
webSocket->sendTXT(message);
}

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#ifndef websockets_h
#define websockets_h
#include <WiFiMulti.h>
#include <WiFi.h>
#include <WebSocketsClient.h>
#include <Arduino.h>
#define USE_SERIAL Serial
class websockets {
public:
websockets();
void hexdump(const void *mem, uint32_t len, uint8_t cols = 16);
void websocketSetup();
void loop();
void webSocketEvent(WStype_t type, uint8_t * payload, size_t length);
void sendMyText(String message);
private:
WebSocketsClient *webSocket;
WiFiMulti *_WiFiMulti;
};
#endif