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kitsune-lab-hvac-system
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Create/modify example code and main code base

This commit is contained in:
Kenwood 2021-05-22 17:24:53 -04:00
parent 795ac28caa
commit 1a92127161
2 changed files with 225 additions and 36 deletions
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157
example.ino Normal file
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@ -0,0 +1,157 @@
/*********
Rui Santos
Complete project details at https://randomnerdtutorials.com
*********/
#include <WiFi.h>
#include <PubSubClient.h>
#include <Wire.h>
#include <Adafruit_BME280.h>
#include <Adafruit_Sensor.h>
// Replace the next variables with your SSID/Password combination
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";
// Add your MQTT Broker IP address, example:
//const char* mqtt_server = "192.168.1.144";
const char* mqtt_server = "YOUR_MQTT_BROKER_IP_ADDRESS";
WiFiClient espClient;
PubSubClient client(espClient);
long lastMsg = 0;
char msg[50];
int value = 0;
//uncomment the following lines if you're using SPI
/*#include <SPI.h>
#define BME_SCK 18
#define BME_MISO 19
#define BME_MOSI 23
#define BME_CS 5*/
Adafruit_BME280 bme; // I2C
//Adafruit_BME280 bme(BME_CS); // hardware SPI
//Adafruit_BME280 bme(BME_CS, BME_MOSI, BME_MISO, BME_SCK); // software SPI
float temperature = 0;
float humidity = 0;
// LED Pin
const int ledPin = 4;
void setup() {
Serial.begin(115200);
// default settings
// (you can also pass in a Wire library object like &Wire2)
//status = bme.begin();
if (!bme.begin(0x76)) {
Serial.println("Could not find a valid BME280 sensor, check wiring!");
while (1);
}
setup_wifi();
client.setServer(mqtt_server, 1883);
client.setCallback(callback);
pinMode(ledPin, OUTPUT);
}
void setup_wifi() {
delay(10);
// We start by connecting to a WiFi network
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* message, unsigned int length) {
Serial.print("Message arrived on topic: ");
Serial.print(topic);
Serial.print(". Message: ");
String messageTemp;
for (int i = 0; i < length; i++) {
Serial.print((char)message[i]);
messageTemp += (char)message[i];
}
Serial.println();
// Feel free to add more if statements to control more GPIOs with MQTT
// If a message is received on the topic esp32/output, you check if the message is either "on" or "off".
// Changes the output state according to the message
if (String(topic) == "esp32/output") {
Serial.print("Changing output to ");
if(messageTemp == "on"){
Serial.println("on");
digitalWrite(ledPin, HIGH);
}
else if(messageTemp == "off"){
Serial.println("off");
digitalWrite(ledPin, LOW);
}
}
}
void reconnect() {
// Loop until we're reconnected
while (!client.connected()) {
Serial.print("Attempting MQTT connection...");
// Attempt to connect
if (client.connect("ESP8266Client")) {
Serial.println("connected");
// Subscribe
client.subscribe("esp32/output");
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void loop() {
if (!client.connected()) {
reconnect();
}
client.loop();
long now = millis();
if (now - lastMsg > 5000) {
lastMsg = now;
// Temperature in Celsius
temperature = bme.readTemperature();
// Uncomment the next line to set temperature in Fahrenheit
// (and comment the previous temperature line)
//temperature = 1.8 * bme.readTemperature() + 32; // Temperature in Fahrenheit
// Convert the value to a char array
char tempString[8];
dtostrf(temperature, 1, 2, tempString);
Serial.print("Temperature: ");
Serial.println(tempString);
client.publish("esp32/temperature", tempString);
humidity = bme.readHumidity();
// Convert the value to a char array
char humString[8];
dtostrf(humidity, 1, 2, humString);
Serial.print("Humidity: ");
Serial.println(humString);
client.publish("esp32/humidity", humString);
}
}

104
window_control/window_control.ino
View File

@ -24,60 +24,96 @@ void setup() {
// Initalize buzzer pin
pinMode(buzzer, OUTPUT);
digitalWrite(buzzer, LOW);
// Initalize motor directions
pinMode(motorReverse, OUTPUT);
digitalWrite(motorReverse, LOW);
pinMode(motorForward, OUTPUT);
digitalWrite(motorForward, LOW);
// Initalize Sense Pin
pinMode(sense, INPUT);
// use "digitalRead(sense);" to read
}
void setup_wifi() {
delay(10);
// We start by connecting to a WiFi network
Serial.println();
WiFi.hostname("ESP-" WINDOW_NAME);
Serial.print("Connecting to ");
Serial.println(WIFI_SSID);
// Set our hostname
WiFi.hostname("ESP-" WINDOW_NAME);
// Connect to the wifi!
WiFi.begin(WIFI_SSID, WIFI_PASS);
// For as long as we're not connected..
while (WiFi.status() != WL_CONNECTED) {
delay(950);
tone(buzzer, 1200, 50);
Serial.println("Not yet connected.. Waiting 1s to check again..");
delay(950); // Wait...
tone(buzzer, 1200, 50); // Beep...
//Serial.println("Not yet connected.. Waiting 1s to check again..");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
//Serial.println("");
//Serial.println("WiFi connected");
//Serial.println("IP address: ");
//Serial.println(WiFi.localIP());
}
void reconnect() {
// Loop until we're reconnected
while (!client.connected()) {
Serial.print("Attempting MQTT connection...");
//Serial.print("Attempting MQTT connection...");
// Attempt to connect
if (client.connect("ESP8266Client", MQTT_USER, MQTT_PASS)) {
Serial.println("connected");
//Serial.println("connected");
;
} else {
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
//Serial.print("failed, rc=");
//Serial.print(client.state());
//Serial.println(" try again in 5 seconds");
// Wait 5 seconds before retrying
delay(5000);
}
}
}
void callback(char* topic, byte* payload, unsigned int length) {
Serial.print("Message arrived [");
Serial.print(topic);
Serial.print("] ");
for (int i = 0; i < length; i++) {
char receivedChar = (char)payload[i];
Serial.print(receivedChar);
if (receivedChar == '0')
//digitalWrite(in_led, LOW);
if (receivedChar == '1')
//digitalWrite(in_led, HIGH);
}
Serial.println();
void callback(char* topic, byte* message, unsigned int length) {
//Serial.print("Message arrived on topic: ");
//Serial.print(topic);
//Serial.print(". Message: ");
String messageString;
// Reconstruct a string from the mqtt contents.
for (int i = 0; i < length; i++) {
messageString += (char)message[i];
}
if (String(topic) == MQTT_ROOT "/request_state") {
//Serial.print("Changing output to ");
if(messageString == "open"){
//Serial.println("Opening window.");
digitalWrite(motorForward, HIGH);
digitalWrite(motorReverse, LOW);
tone(buzzer, 2000, 200);
delay(200);
tone(buzzer, 2000, 200);
delay(200);
tone(buzzer, 2000, 200);
delay(200);
client.publish(MQTT_ROOT "/current_state", "open", true);
}
else if(messageString == "close"){
//Serial.println("Closing window");
digitalWrite(motorForward, LOW);
digitalWrite(motorReverse, HIGH);
tone(buzzer, 2000, 200);
delay(200);
tone(buzzer, 2000, 200);
delay(200);
tone(buzzer, 2000, 200);
delay(200);
client.publish(MQTT_ROOT "/current_state", "close", true);
}
}
}
void loop() {
@ -88,11 +124,7 @@ void loop() {
// Run the client loop
client.loop();
// Publishes a random 0 and 1 like someone switching off and on randomly (random(2))
client.publish(MQTT_ROOT "/random", String(random(2)).c_str(), true);
delay(1000);
client.subscribe(MQTT_ROOT "/in");
tone(buzzer, 2000, 500);
client.subscribe(MQTT_ROOT "/request_state");
delay(1000);
}