arduino-esp32/libraries/BluetoothSerial/examples/SerialToSerialBT_SSP_pairing/SerialToSerialBT_SSP_pairing.ino

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//This example code is in the Public Domain (or CC0 licensed, at your option.)
//By Richard Li - 2020
//
//This example creates a bridge between Serial and Classical Bluetooth (SPP with authentication)
//and also demonstrate that SerialBT have the same functionalities of a normal Serial
#include "BluetoothSerial.h"
#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif
BluetoothSerial SerialBT;
boolean confirmRequestPending = true;
void BTConfirmRequestCallback(uint32_t numVal)
{
confirmRequestPending = true;
Serial.println(numVal);
}
void BTAuthCompleteCallback(boolean success)
{
confirmRequestPending = false;
if (success)
{
Serial.println("Pairing success!!");
}
else
{
Serial.println("Pairing failed, rejected by user!!");
}
}
void setup()
{
Serial.begin(115200);
SerialBT.enableSSP();
SerialBT.onConfirmRequest(BTConfirmRequestCallback);
SerialBT.onAuthComplete(BTAuthCompleteCallback);
SerialBT.begin("ESP32test"); //Bluetooth device name
Serial.println("The device started, now you can pair it with bluetooth!");
}
void loop()
{
if (confirmRequestPending)
{
if (Serial.available())
{
int dat = Serial.read();
if (dat == 'Y' || dat == 'y')
{
SerialBT.confirmReply(true);
}
else
{
SerialBT.confirmReply(false);
}
}
}
else
{
if (Serial.available())
{
SerialBT.write(Serial.read());
}
if (SerialBT.available())
{
Serial.write(SerialBT.read());
}
delay(20);
}
}