아두이노 HC 05 테스트 코드

arduino_hc_05.ino

#include <SoftwareSerial.h>

SoftwareSerial BTSerial(2, 3); //Connect HC-06. Use your (TX, RX) settings

char buf[50];

void setup()  
{
  pinMode(8, OUTPUT);
  digitalWrite(8,HIGH);
  
  Serial.begin(9600);
  BTSerial.begin(38400);  // set the data rate for the BT port

  Serial.println("Start Serial");
}

void loop()
{
  // BT –> Data –> Serial
  if (BTSerial.available()) {
    int i;
    for(i = 0;i < 50;i++)
      buf[i] = 0;

    i = 0;
    do {
      buf[i] = BTSerial.read();
      if(i >= 49)
        break;

      delay(10);
      i++;
    } while(BTSerial.available());

    Serial.print("OUTPUT : ");
    Serial.println(buf);
  }
  
  // Serial –> Data –> BT
  if (Serial.available()) {
    int i;
    for(i = 0;i < 50;i++)
      buf[i] = 0;

    i = 0;
    do {
      buf[i] = Serial.read();
      if(i >= 49)
        break;

      delay(10);
      i++;
    } while(Serial.available());
    
    Serial.print("INPUT : ");
    Serial.println(buf);

    BTSerial.print(buf);
  }

  delay(10);
}