A sketch for ESP8266 to be controlled with Scratch and send infrared signal for JJRC CADY WIGI

scratch_remote_cady_wigi.ino

#include <ESP8266WiFi.h>
#include <IRremoteESP8266.h>
#include <IRsend.h>

const char* ssid     = "*****";　//wifiのssid
const char* password = "*****";  //wifiのパスワード

const char* host = "xxx.xxx.xxx.xxx"; //Scratchの入っているPCのIPアドレス
const int Port = 42001;

#define IR_LED 4

IRsend irsend(IR_LED);
WiFiClient client;

//Go forward
uint16_t signalGoForward[35] = {2050,1750, 2050,400, 900,400, 900,400, 900,950, 400,400, 900,400, 900,450, 850,450, 900,400, 900,900, 400,450, 850,450, 900,400, 900,900, 400,450, 850,950, 400};  // UNKNOWN 8C4D61EC
//Go backward
uint16_t signalGoBack[35] = {2000,1750, 2050,400, 900,450, 850,450, 850,950, 400,400, 900,450, 850,950, 400,900, 400,400, 900,950, 400,400, 850,450, 900,900, 400,450, 850,450, 850,450, 900};  // UNKNOWN 3F10CB0
//Turn right
uint16_t signalTurnRight[35] = {2050,1750, 2050,400, 850,450, 900,400, 900,950, 400,400, 850,450, 900,900, 400,450, 850,450, 850,950, 400,400, 900,450, 850,450, 850,950, 400,900, 400,950, 400};  // UNKNOWN 52291ED4
//Turn left
uint16_t signalTurnLeft[35] = {2050,1750, 2050,350, 900,450, 900,400, 900,900, 400,450, 850,950, 400,400, 900,400, 900,450, 850,950, 350,450, 900,400, 900,900, 400,450, 900,400, 900,900, 400};  // UNKNOWN 5F1187B5
//Eye
uint16_t signalToggleEyes[35] = {2050,1750, 2050,400, 900,400, 900,400, 900,400, 900,950, 400,900, 400,900, 400,400, 900,450, 900,900, 350,450, 900,400, 900,450, 900,400, 900,900, 400,900, 400};  // UNKNOWN 2FE676C8


void setup() {
  irsend.begin();
  Serial.begin(115200);
  delay(10);

  // We start by connecting to a WiFi network

  Serial.println();
  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 send_message(const char* message){ 
  char scmd[32] = {0};
  strcpy(scmd+4, message);
  scmd[3]=(uint8_t)strlen(scmd+4);
  if(0!=strlen(scmd+4)) {
    for(uint32_t i = 0; i < 4 + strlen(scmd + 4); i++) {
      Serial.print(scmd[i]);
      } //Serial.print(" ");
    if (client.write((const uint8_t*)scmd, 4 + strlen(scmd+4))) {
      Serial.println("send ok");
    } else {
      Serial.println("send err");
    }
  }   
}

void loop() {

  uint8_t buffer[128] = {0};
  
  delay(5000);

  Serial.print("connecting to ");
  Serial.println(host);
  
  // Use WiFiClient class to create TCP connections

  if (!client.connect(host, Port)) {
    Serial.println("connection failed");
    return;
  }
  
  Serial.print("create tcp ok\r\n");

  for(uint32_t n = 0; n <100000; n++) {
    delay(10);
    char scmd[32] = {0};
    int sw,stat;

// Read all from server and print them to Serial    
  client.setTimeout(100);
  uint32_t len = client.readBytes(buffer, sizeof(buffer));
    if (len > 0) {
      String message;
      for(uint32_t i = 4; i < len; i++) {
        message.concat(String((char)buffer[i]));
      }
      Serial.print("Received:[");
      Serial.print(message);
      Serial.print("]\r\n");

      if(message.startsWith("broadcast")){
        if(message.indexOf("\"MAE\"") > -1){
          Serial.println("MAE");
          irsend.sendRaw(signalGoForward, 35, 38);
        } else if(message.indexOf("\"USHIRO\"") > -1){
          Serial.println("USHIRO");
          irsend.sendRaw(signalGoBack, 35, 38);
        } else if(message.indexOf("\"MIGI\"") > -1){
          Serial.println("MIGI");
           irsend.sendRaw(signalTurnRight, 35, 38);
        } else if(message.indexOf("\"HIDARI\"") > -1){
          Serial.println("HIDARI");
          irsend.sendRaw(signalTurnLeft, 35, 38);
        } else if(message.indexOf("\"MABATAKI\"") > -1){
          Serial.println("MABATAKI");
          irsend.sendRaw(signalToggleEyes, 35, 38);
          delay(3000);
          irsend.sendRaw(signalToggleEyes, 35, 38);
          delay(2000);
        }
      }
    }

// send broadcast message   
    if(digitalRead(5)!=sw) {
      sw=digitalRead(5);stat=1;
      send_message("broadcast \"MAE\"");
      send_message("broadcast \"USHIRO\"");
      send_message("broadcast \"MIGI\"");
      send_message("broadcast \"HIDARI\"");
      send_message("broadcast \"MABATAKI\"");
    } else {
      if(stat==1) {
        stat=0;
        if(digitalRead(5)==LOW) {
          strcpy(scmd+4,"sensor-update \"v\" 0 ");
        } else {
          strcpy(scmd+4,"sensor-update \"v\" 1 ");
        }
      } 
    }
  }
}