Wokwi 的 Analog stick 控制 EasyBuilderPro HMI 的' 移動圖形

Wokwi 的 Analog stick  控制 EasyBuilderPro HMI  的'  移動圖形 

const char* mqtt_server = "broker.emqx.io";

    client.publish("wokwi_ebpro/joy", pesan.c_str());

WOKWI程式 

#include <WiFi.h>

#include <PubSubClient.h>

#define led 2

#define sw 25

#define sw1 26

#define r 5

#define g 19

#define b 18

int pos = 33;

int swb = 0;

int s1b = 0;

int c = 0;

int c1 = 0;

int x = 0;

int y = 0;

int xb = 0;

int yb = 0;

String pesan = "";

const char* ssid = "Wokwi-GUEST";

const char* password = "";

const char* mqtt_server = "broker.emqx.io";

WiFiClient espClient;

PubSubClient client(espClient);

void setup_wifi() {

  delay(10);

  Serial.println();

  Serial.print("Connecting to ");

  Serial.println(ssid);

  WiFi.mode(WIFI_STA);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  randomSeed(micros());

  Serial.println("");

  Serial.println("WiFi connected");

  Serial.println("IP address: ");

  Serial.println(WiFi.localIP());

}

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++) {

    Serial.print((char)payload[i]);

  }

  Serial.println();

  if ((char)payload[14] == 't') {

    digitalWrite(led, LOW);

    pos = 32;

  } else {

    digitalWrite(led, HIGH);

    pos = 33;

  }

  // In Core v3.x, ledcWrite takes the GPIO pin number as the first parameter

  switch ((char)payload[pos]) {

    case '0':

      ledcWrite(r, 0);

      ledcWrite(g, 0);

      ledcWrite(b, 0);

      break;

    case '1':

      ledcWrite(r, 165);

      ledcWrite(g, 42);

      ledcWrite(b, 42);

      break;

    case '2':

      ledcWrite(r, 255);

      ledcWrite(g, 0);

      ledcWrite(b, 0);

      break;

    case '3':

      ledcWrite(r, 255);

      ledcWrite(g, 165);

      ledcWrite(b, 0);

      break;

    case '4':

      ledcWrite(r, 255);

      ledcWrite(g, 255);

      ledcWrite(b, 0);

      break;

    case '5':

      ledcWrite(r, 0);

      ledcWrite(g, 128);

      ledcWrite(b, 0);

      break;

    case '6':

      ledcWrite(r, 0);

      ledcWrite(g, 0);

      ledcWrite(b, 255);

      break;

    case '7':

      ledcWrite(r, 160);

      ledcWrite(g, 32);

      ledcWrite(b, 240);

      break;

    case '8':

      ledcWrite(r, 128);

      ledcWrite(g, 128);

      ledcWrite(b, 128);

      break;

    case '9':

      ledcWrite(r, 255);

      ledcWrite(g, 255);

      ledcWrite(b, 255);

      break;

  }

}

void reconnect() {

  while (!client.connected()) {

    Serial.print("Attempting MQTT connection...");

    String clientId = "ESP32Client-";

    clientId += String(random(0xffff), HEX);

    if (client.connect(clientId.c_str())) {

      Serial.println("connected");

      client.subscribe("ebpro_wokwi/led");

    } else {

      Serial.print("failed, rc=");

      Serial.print(client.state());

      Serial.println(" try again in 5 seconds");

      delay(5000);

    }

  }

}

void setup() {

  pinMode(sw, INPUT_PULLUP);

  pinMode(sw1, INPUT_PULLUP);

  pinMode(led, OUTPUT);

  Serial.begin(115200);

  setup_wifi();

  client.setServer(mqtt_server, 1883);

  client.setCallback(callback);

  // Updated LEDC setup for ESP32 Arduino Core v3.x

  ledcAttach(r, 5000, 8);

  ledcAttach(g, 5000, 8);

  ledcAttach(b, 5000, 8);

}

void loop() {

  if (!client.connected()) {

    reconnect();

  }

  client.loop();

  int swa = !digitalRead(sw);

  if (swa != swb) {

    Serial.print("Publish message: ");

    if (swa) {

      Serial.println("{\"sw\":true}");

      client.publish("wokwi_ebpro/sw", "{\"sw\":true}");

    } else {

      Serial.println("{\"sw\":false}");

      client.publish("wokwi_ebpro/sw", "{\"sw\":false}");

    }

  }

  swb = swa;

  int a1 = analogRead(34);

  switch (a1) {

    case 0:

      x = 2;

      break;

    case 2048:

      x = 0;

      break;

    case 4095:

      x = 1;

      break;

  }

  int a2 = analogRead(35);

  switch (a2) {

    case 0:

      y = 2;

      break;

    case 2048:

      y = 0;

      break;

    case 4095:

      y = 1;

      break;

  }

  int s1 = !digitalRead(sw1);

  if (s1 != s1b && s1) c++;

  s1b = s1;

  if (c > 9) c = 0;

  if (x != xb || y != yb || c != c1) {

    pesan = "{\"x\":" + String(x) + ",\"y\":" + String(y);

    pesan = pesan + ",\"s\":" + String(c) + "}";

    Serial.print("Publish message: ");

    Serial.println(pesan);

    client.publish("wokwi_ebpro/joy", pesan.c_str());

  }

  xb = x;

  yb = y;

  c1 = c;

}