wasabi.ino

wasabi.ino

#include <M5Stack.h>
#include <WiFi.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include "Ambient.h"

#define ONE_WIRE_BUS 22
#define FAN 5
#define OUT1 21
#define OUT2 19

WiFiClient client;
Ambient ambient;

OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

const char* ssid = "";
const char* password = "";

unsigned int channelId = 0;
const char* writeKey = "";

void connect_wifi() {
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    M5.Lcd.print(".");
  }
  M5.Lcd.print("\nIP: ");
  M5.Lcd.println(WiFi.localIP());
}

void setup(){
  M5.begin();
  M5.Lcd.println("Wasabi!");

  pinMode(FAN, OUTPUT);
  pinMode(OUT1, OUTPUT);
  pinMode(OUT2, OUTPUT);

  connect_wifi();
  ambient.begin(channelId, writeKey, &client);

  sensors.begin();
}

void loop() {
  float temp = water_temprature();
  if (temp != -127) {
    send_data_ambient(temp);
    M5.Lcd.setCursor(0, 20);
    M5.Lcd.print("temp: ");
    M5.Lcd.println(temp);
  }

  M5.Lcd.setCursor(0, 30);
  if (M5.BtnA.wasPressed()) {
    M5.Lcd.println("Cool   ");
    be_cool();
  }
  if (M5.BtnB.wasPressed()) {
    M5.Lcd.println("Hot    ");
    be_hot();
  }
  if (M5.BtnC.wasPressed()) {
    M5.Lcd.println("Neutral");
    be_neutral();
  }

  M5.update();
}

float water_temprature() {
  sensors.requestTemperatures();
  return sensors.getTempCByIndex(0);
}

void send_data_ambient(int temp) {
  ambient.set(1, temp);
  ambient.send();
}

void be_neutral() {
  digitalWrite(FAN, LOW);
  digitalWrite(OUT1, LOW);
  digitalWrite(OUT2, LOW);
}

void be_hot() {
  digitalWrite(FAN, HIGH);
  digitalWrite(OUT1, HIGH);
  digitalWrite(OUT2, LOW);
}

void be_cool() {
  digitalWrite(FAN, HIGH);
  digitalWrite(OUT1, HIGH);
  digitalWrite(OUT2, HIGH);
}