บทความ WebThings Gateway ตอนที่ 4 ส่งข้อมูลจากบอร์ด ESPino32 ไปยัง WebThings

#include <Arduino.h>
#include "Thing.h"
#include "WebThingAdapter.h"

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

const int ledPin = 16;
const int buttonPin = 18;

WebThingAdapter *adapter;

const char *PushButtonTypes[] = {"PushButton", nullptr}; // define a type of device referenc to context https://iot.mozilla.org/schemas/#properties
ThingDevice Pushbutton("PushButton", "Pushbutton", PushButtonTypes); //configure device id, name and type
ThingProperty PushbuttonOn("push", "button is pressed", BOOLEAN, "PushedProperty"); // device property of device, name, text, boolen type


void setup(void) {
  pinMode(ledPin, OUTPUT);
  pinMode(buttonPin, INPUT);
  digitalWrite(ledPin, HIGH);

  Serial.begin(115200);
  Serial.println("");
  Serial.print("Connecting to \"");
  Serial.print(ssid);
  Serial.println("\"");
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  bool blink = true;
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    digitalWrite(ledPin, blink ? LOW : HIGH); // active low led
    blink = !blink;
  }
  digitalWrite(ledPin, HIGH); // active low led

  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  adapter = new WebThingAdapter("pushbutton", WiFi.localIP());

  Pushbutton.addProperty(&PushbuttonOn);
  adapter->addDevice(&Pushbutton);
  adapter->begin();
  Serial.println("HTTP server started");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.print("/things/");
  Serial.println(Pushbutton.id);
}
bool buttonState = false;
void loop(void) {
  ThingPropertyValue value;
  buttonState = digitalRead(buttonPin);
  if (buttonState == LOW)
  {
    value.boolean = true;
    Serial.println("pushed");
  }
  else
  {
    value.boolean = false;
    Serial.println("not pushed");
  }
  PushbuttonOn.setValue(value);
  adapter->update();
  delay(100);
}

#include <Arduino.h>
#include "Thing.h"
#include "WebThingAdapter.h"

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

const int ledPin = 16;

const char *deviceTypes[] = {"MultiLevelSensor", "Sensor", nullptr};
ThingDevice device("AnalogSensorDevice", "Analog Sensor plugged in single pin", deviceTypes);
ThingProperty property("level", "Analog Input pin", NUMBER, "LevelProperty");
WebThingAdapter *adapter = NULL;

void setup(void) {
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, HIGH);

  Serial.begin(115200);
  Serial.println("");
  Serial.print("Connecting to \"");
  Serial.print(ssid);
  Serial.println("\"");
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  bool blink = true;
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    digitalWrite(ledPin, blink ? LOW : HIGH); // active low led
    blink = !blink;
  }
  digitalWrite(ledPin, HIGH); // active low led

  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  adapter = new WebThingAdapter("analog-sensor", WiFi.localIP());
  property.unit = "percent";
  device.addProperty(&property);
  adapter->addDevice(&device);
  adapter->begin();
  Serial.println("Starting HTTP server");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.print("/things/");
  Serial.println(device.id);
  delay(3000);
}

void loop(void) {
  int percent = random(0, 100);
  Serial.print("percent: ");
  Serial.print(percent);
  Serial.println(" %");

  ThingPropertyValue levelValue;
  levelValue.number = percent;
  property.setValue(levelValue);
  adapter->update();
  delay(1000);
}

#include <Arduino.h>
#include "Thing.h"
#include "WebThingAdapter.h"

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

const int ledPin = 16;

const char *deviceTypes[] = {"MultiLevelSensor", "Sensor", nullptr};
ThingDevice device1("AnalogSensorDevice1", "Random Value1", deviceTypes);
ThingDevice device2("AnalogSensorDevice2", "Random Value2", deviceTypes);

ThingProperty deviceProperty1("level1", "Random Value1", NUMBER, "LevelProperty");
ThingProperty deviceProperty2("level2", "Random Value2", NUMBER, "LevelProperty");
WebThingAdapter *adapter = NULL;

void setup(void) {
  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, HIGH);

  Serial.begin(115200);
  Serial.println("");
  Serial.print("Connecting to \"");
  Serial.print(ssid);
  Serial.println("\"");
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  bool blink = true;
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    digitalWrite(ledPin, blink ? LOW : HIGH); // active low led
    blink = !blink;
  }
  digitalWrite(ledPin, HIGH); // active low led

  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  adapter = new WebThingAdapter("analog-sensor", WiFi.localIP());

  deviceProperty1.unit = "percent";
  device1.addProperty(&deviceProperty1);
  deviceProperty2.unit = "percent";
  device2.addProperty(&deviceProperty2);

  adapter->addDevice(&device1);
  adapter->addDevice(&device2);
  adapter->begin();
  Serial.println("Starting HTTP server");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.print("/things/");
  Serial.println(device1.id);
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.print("/things/");
  Serial.println(device2.id);
  delay(3000);
}

void loop(void) {
  int percent1 = random(0, 100);
  int percent2 = random(0, 100);
  Serial.print("percent: ");
  Serial.print(percent1);
  Serial.print("%");
  Serial.print("\t");
  Serial.print(percent2);
  Serial.println("%");

  ThingPropertyValue levelValue;
  levelValue.number = percent1;
  deviceProperty1.setValue(levelValue);
  levelValue.number = percent2;
  deviceProperty2.setValue(levelValue);
  adapter->update();
  delay(1000);
}