20190916 - initial: Add example app for Master mode

Author: Victor Tchistiak

libraries/BluetoothSerial/examples/SerialToSerialBTM/SerialToSerialBTM.ino

@@ -0,0 +1,39 @@
+//This example code is in the Public Domain (or CC0 licensed, at your option.)
+//By Evandro Copercini - 2018
+//
+//This example creates a bridge between Serial and Classical Bluetooth (SPP)
+//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;
+
+uint8_t address[6]  = {0xAA, 0xBB, 0xCC, 0x11, 0x22, 0x33};
+String MACadd = "AA:BB:CC:11:22:33";
+String name = "OBDII";
+char *pin = "1234"; //<- standard pin would be provided by default
+
+void setup() {
+  Serial.begin(115200);
+  //SerialBT.setPin(pin);
+  SerialBT.begin("ESP32test", true); 
+  //SerialBT.setPin(pin);
+  Serial.println("The device started in master mode, make sure remote BT device is on!");
+  //delay(2000);
+  SerialBT.connect(address); 
+  //SerialBT.connect(name);
+}
+
+void loop() {
+  if (Serial.available()) {
+    SerialBT.write(Serial.read());
+  }
+  if (SerialBT.available()) {
+    Serial.write(SerialBT.read());
+  }
+  delay(20);
+}