protocol/usb_hid/USB_Host_Shield_2.0/examples/Bluetooth/SPP/SPP.ino

   1 /*
   2  Example sketch for the RFCOMM/SPP Bluetooth library - developed by Kristian Lauszus
   3  For more information visit my blog: http://blog.tkjelectronics.dk/ or
   4  send me an e-mail:  kristianl@tkjelectronics.com
   5  */
   6
   7 #include <SPP.h>
   8 #include <usbhub.h>
   9
  10 // Satisfy the IDE, which needs to see the include statment in the ino too.
  11 #ifdef dobogusinclude
  12 #include <spi4teensy3.h>
  13 #include <SPI.h>
  14 #endif
  15
  16 USB Usb;
  17 //USBHub Hub1(&Usb); // Some dongles have a hub inside
  18
  19 BTD Btd(&Usb); // You have to create the Bluetooth Dongle instance like so
  20 /* You can create the instance of the class in two ways */
  21 SPP SerialBT(&Btd); // This will set the name to the defaults: "Arduino" and the pin to "0000"
  22 //SPP SerialBT(&Btd, "Lauszus's Arduino", "1234"); // You can also set the name and pin like so
  23
  24 bool firstMessage = true;
  25
  26 void setup() {
  27   Serial.begin(115200);
  28 #if !defined(__MIPSEL__)
  29   while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
  30 #endif
  31   if (Usb.Init() == -1) {
  32     Serial.print(F("\r\nOSC did not start"));
  33     while (1); //halt
  34   }
  35   Serial.print(F("\r\nSPP Bluetooth Library Started"));
  36 }
  37 void loop() {
  38   Usb.Task(); // The SPP data is actually not send until this is called, one could call SerialBT.send() directly as well
  39
  40   if (SerialBT.connected) {
  41     if (firstMessage) {
  42       firstMessage = false;
  43       SerialBT.println(F("Hello from Arduino")); // Send welcome message
  44     }
  45     if (Serial.available())
  46       SerialBT.write(Serial.read());
  47     if (SerialBT.available())
  48       Serial.write(SerialBT.read());
  49   }
  50   else
  51     firstMessage = true;
  52 }