스마트 팩토리 연결도와 소스코드 20201018

 

가끔은 일도 하는 게 맞다. 아침 저녁으로 국화에 물을 주고, 달리기로 정해진 날에 비록 재미가 없더라도 달리고, 가을이 가득 차는 나무와 하늘과 바람을 아주 많이 쐬고 나서 그래도 시간이 남으면 일을 하기 바란다. 사람은 어떤 일이든 할 일을 가져야 한다. 그래야 잡념에 빠지지 않는다.

현재 되어 있는 곳까지 정리는 하고 간다. 며칠 내로 마무리해야 하기 때문이다. 아래는 연결도면이다. 거리센서와 사운드 센서는 코드에 없다. 회로 연결도는 그려야 하고, 여기서는 표로 나타내었다. 표를 참고한 곳은 'Introduction to the Nano 33 IoT' 에서 카피해 수정하였다.

 

Left side			Board Image	Right side
Extra function	Analog Pin Number	Digital pin number		Digital pin number	Extra function
SCK		D13	Drawing of Arduino Nano 33 IoT	D12~	SDO
		3.3V		D11~	SDI
		ARef		D10~	CS
DAC0	A0	D14		D9~	온도 습도 데이터
	A1	D15		D8
	A2	D16~		D7
	A3	D17~		D6~
SDA, OLED SDA	A4	D18		D5~
SCL, OLED SCL	A5	D19~		D4
소리센서 데이터	A6	D20		D3~
거리센서 데이터	A7	D21		D2
		Vusb		GND
		reset		reset
		GND		D0	RX
		Vin (21V max.)		D1	TX

Nano 33 IoT pin functions.

 

헤더파일은 여러군데 옮기며 하다보니 공유기 WiFi 연결을 위해 적어둔다. 아래 코드는 WiFi 관련 프로그램에 항상 포함하는 헤더파일 arduino_secrets.h 파일이다.

 

//#define SECRET_SSID "PIS******"
//#define SECRET_PASS ""

//#define SECRET_SSID "PISnet_032AC8"
//#define SECRET_PASS "829******8"

//#define SECRET_SSID "SK_Wi******AA988"
//#define SECRET_PASS "180******356"


//#define SECRET_SSID "KT_G******_D652"
//#define SECRET_PASS "6ch******758"

#define SECRET_SSID "F******RCM"
#define SECRET_PASS "1******10350"

 

소스코드-그냥 평이한 코드를 수정해야 한다. data_logger.ino 파일이다.

 

/*
 * Arduino with LM35 analog temperature sensor and SSD1306 OLED display.
 * This is a free software with NO WARRANTY.
 * https://simple-circuit.com/
 */
 
#include <Wire.h>              // include Arduino wire library (required for I2C devices)
#include <Adafruit_GFX.h>      // include Adafruit graphics library
#include <Adafruit_SSD1306.h>  // include Adafruit SSD1306 OLED display driver
#include <SimpleDHT.h>


#include <SPI.h>
#include <WiFiNINA.h>
 
#define OLED_RESET  4    // define display reset pin
Adafruit_SSD1306 display(OLED_RESET);

//define DHT11 pin connection
int pinDHT11 = 9;
SimpleDHT11 dht11;

#include "arduino_secrets.h" 
///////please enter your sensitive data in the Secret tab/arduino_secrets.h
char ssid[] = SECRET_SSID;        // your network SSID (name)
char pass[] = SECRET_PASS;    // your network password (use for WPA, or use as key for WEP)
int keyIndex = 0;            // your network key Index number (needed only for WEP)

int status = WL_IDLE_STATUS;
//char server[]="www.google.com";  
char server[]="jarvis.wepnp.com";
//== IPAddress servernaeme(117,16,231,212);  

//WiFiClient client;
WiFiClient client;

const char* host = "jarvis.wepnp.com";  // --> "openapi.airkorea.or.kr"
const uint16_t port = 80;     // --> 80

void setup(void)
{
  initial_oled();
  
  pinMode(LED_BUILTIN, OUTPUT);
 
  Serial.begin(9600);
  /*while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }*/

  // attempt to connect to Wifi network:
  
  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
    status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:
    //delay(10000);
    Serial.print(".");
  }
  Serial.println("Connected to wifi");
  printWifiStatus();
}

String url = "https://jarvis.wepnp.com/API/v2/kpi/data/insert";
String key = "YmVsbGFuZWxsYTplU21aNmJvMjFjVGt1dnA3bXM2ZFI0Snlabw==";

String Company_Name; //company name
String machine_type; //machine type code 01, 01, 03...
String machine_number; //machine number 1, 2, 3...

char buf_temp[5];
char buf_humi[5];
char buf_booloperation[5];
char buf_count[5];
String power;
String print_count;

void loop()
{
  to_oled_temphumidata();
  
  Serial.print("connecting to ");
  Serial.print(host);
  Serial.print(':');
  Serial.println(port);

  //Use WiFiClient class to create TCP connections
  WiFiClient client;
  
  if (!client.connect(host, port)) 
  {
    Serial.println("connection failed");
    delay(5000);
    return;
  }
  else
  {
    Serial.println("connect server!");  
  }

  digitalWrite(LED_BUILTIN, HIGH);

  if(client.connected()) //Check WiFi connection status
  {
     //POST data Set
    client.print("GET /API/v2/kpi/data/insert?data={%22machine%22:%22");
    client.print("printer-02");
    client.print("%22,%22temperature%22:");
    client.print(get_temp());
    client.print(",%22humidity%22:");
    client.print(get_humi());
    client.print(",%22power%22:");
    client.print(get_operation_state());
    client.print(",%22count%22:");
    client.print(get_operation_count());
    client.println("} HTTP/1.1");
    //root.printTo(client);
    //client.print(" HTTP/1.1");
    client.println("Host: jarvis.wepnp.com");
    client.println("Authorization: Basic YmVsbGFuZWxsYTplU21aNmJvMjFjVGt1dnA3bXM2ZFI0Snlabw==");
    //client.println("Content-Type: application/x-www-form-urlencoded");
    //client.println("Connection: close");
    client.println();

    // wait for data to be available
    unsigned long timeout = millis();
    while (client.available() == 0) {
      if (millis() - timeout > 5000) {
        Serial.println(">>> Client Timeout !");
        client.stop();
        delay(60000);
        return;
      }
    }

    // Read all the lines of the reply from server and print them to Serial
    Serial.println("receiving from remote server");
    // not testing 'client.connected()' since we do not need to send data here
    while (client.available()) {
      char ch = static_cast<char>(client.read());
      Serial.print(ch);
    }

    // Close the connection
    Serial.println();
    Serial.println("closing connection");
    client.stop();
    
    Serial.println("Complete");
   
  }

  digitalWrite(LED_BUILTIN, LOW);
  delay(20000);  //Send a request every 10 seconds
}


void printWifiStatus() {
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your board's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);

  // print the received signal strength:
  long rssi = WiFi.RSSI();
  Serial.print("signal strength (RSSI):");
  Serial.print(rssi);
  Serial.println(" dBm");
}

void initial_oled()
{
    //initialize the SSD1306 OLED display with I2C address = 0x3D
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);

  // clear the display buffer.
  display.clearDisplay();
 
  display.setTextSize(1);   // text size = 1
  display.setTextColor(WHITE, BLACK);  // set text color to white and black background
  display.setCursor(15, 0);            // move cursor to position (15, 0) pixel
  display.print("Device Status");
  display.display();        // update the display
  display.setTextSize(2);   // text size = 2
}
 

char _buffer[8];

int get_temp()
{
  delay(2000);
  byte temperature = 0;
  byte humidity = 0;
  
  if (dht11.read(pinDHT11, &temperature, &humidity, NULL)) {
    Serial.print("Read DHT11 temp failed.");
    return 0;
  }
  else{
    return (int)temperature;  
  }
}

int get_humi()
{
  delay(2000);
  byte temperature = 0;
  byte humidity = 0;
  
  if (dht11.read(pinDHT11, &temperature, &humidity, NULL)) {
    Serial.print("Read DHT11 humi failed.");
    return 0;
  }else{
    return (int)humidity;
  }
}

boolean running = false;

boolean get_operation_state()
{
  running = !running;

  return running;
}

int operation_count=0;

int get_operation_count()
{
  
  operation_count++;

  return operation_count;
}



void to_oled_temphumidata()
{
  byte temperature = 0;
  byte humidity = 0;
  
  if (dht11.read(pinDHT11, &temperature, &humidity, NULL)) {
    Serial.print("Read DHT11 failed.");
    return;
  }

  display.setCursor(23, 10); 
  sprintf(_buffer, "%d C", (int)temperature);
  display.print(_buffer);
  
  display.setCursor(23, 30); 
  sprintf(_buffer, "%d /", (int)humidity);
  display.print(_buffer);
  
  //display.setCursor(23, 50);
  //printf(_buffer, "On/Off");
  //display.print("On/Off");
  
  display.drawCircle(88, 12, 2, WHITE); 
  
  // update the display 
  display.display();
    
  // DHT11 sampling rate is 1HZ.
  delay(2000);
}

void to_oled_temphumidata_test()
{
  byte temperature = 0;
  byte humidity = 0;
  if (dht11.read(pinDHT11, &temperature, &humidity, NULL)) {
    Serial.print("Read DHT11 failed.");
    return;
  }
  
  Serial.print("Sample OK: ");
  Serial.print((int)temperature); Serial.print(" *C, "); 
  Serial.print((int)humidity); Serial.println(" %");
  
  // DHT11 sampling rate is 1HZ.
  delay(2000);
  
}

 
// end of code.