61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
//By Victor Tchistiak - 2019
|
|
//
|
|
//This example demostrates master mode bluetooth connection and pin
|
|
//it creates a bridge between Serial and Classical Bluetooth (SPP)
|
|
//this is an extention of the SerialToSerialBT example by Evandro Copercini - 2018
|
|
//
|
|
|
|
#include "BluetoothSerial.h"
|
|
|
|
#if !defined(CONFIG_BT_SPP_ENABLED)
|
|
#error Serial Bluetooth not available or not enabled. It is only available for the ESP32 chip.
|
|
#endif
|
|
|
|
BluetoothSerial SerialBT;
|
|
|
|
String MACadd = "AA:BB:CC:11:22:33";
|
|
uint8_t address[6] = {0xAA, 0xBB, 0xCC, 0x11, 0x22, 0x33};
|
|
//uint8_t address[6] = {0x00, 0x1D, 0xA5, 0x02, 0xC3, 0x22};
|
|
String name = "OBDII";
|
|
const char *pin = "1234"; //<- standard pin would be provided by default
|
|
bool connected;
|
|
|
|
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!");
|
|
|
|
// connect(address) is fast (upto 10 secs max), connect(name) is slow (upto 30 secs max) as it needs
|
|
// to resolve name to address first, but it allows to connect to different devices with the same name.
|
|
// Set CoreDebugLevel to Info to view devices bluetooth address and device names
|
|
connected = SerialBT.connect(name);
|
|
//connected = SerialBT.connect(address);
|
|
|
|
if(connected) {
|
|
Serial.println("Connected Succesfully!");
|
|
} else {
|
|
while(!SerialBT.connected(10000)) {
|
|
Serial.println("Failed to connect. Make sure remote device is available and in range, then restart app.");
|
|
}
|
|
}
|
|
// disconnect() may take upto 10 secs max
|
|
if (SerialBT.disconnect()) {
|
|
Serial.println("Disconnected Succesfully!");
|
|
}
|
|
// this would reconnect to the name(will use address, if resolved) or address used with connect(name/address).
|
|
SerialBT.connect();
|
|
}
|
|
|
|
void loop() {
|
|
if (Serial.available()) {
|
|
SerialBT.write(Serial.read());
|
|
}
|
|
if (SerialBT.available()) {
|
|
Serial.write(SerialBT.read());
|
|
}
|
|
delay(20);
|
|
}
|