61 lines
2.0 KiB
Arduino
61 lines
2.0 KiB
Arduino
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//This example code is in the Public Domain (or CC0 licensed, at your option.)
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//By Victor Tchistiak - 2019
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//
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//This example demostrates master mode bluetooth connection and pin
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//it creates a bridge between Serial and Classical Bluetooth (SPP)
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//this is an extention of the SerialToSerialBT example by Evandro Copercini - 2018
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//
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#include "BluetoothSerial.h"
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#if !defined(CONFIG_BT_SPP_ENABLED)
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#error Serial Bluetooth not available or not enabled. It is only available for the ESP32 chip.
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#endif
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BluetoothSerial SerialBT;
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String MACadd = "AA:BB:CC:11:22:33";
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uint8_t address[6] = {0xAA, 0xBB, 0xCC, 0x11, 0x22, 0x33};
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//uint8_t address[6] = {0x00, 0x1D, 0xA5, 0x02, 0xC3, 0x22};
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String name = "OBDII";
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const char *pin = "1234"; //<- standard pin would be provided by default
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bool connected;
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void setup() {
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Serial.begin(115200);
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//SerialBT.setPin(pin);
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SerialBT.begin("ESP32test", true);
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//SerialBT.setPin(pin);
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Serial.println("The device started in master mode, make sure remote BT device is on!");
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// connect(address) is fast (upto 10 secs max), connect(name) is slow (upto 30 secs max) as it needs
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// to resolve name to address first, but it allows to connect to different devices with the same name.
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// Set CoreDebugLevel to Info to view devices bluetooth address and device names
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connected = SerialBT.connect(name);
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//connected = SerialBT.connect(address);
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if(connected) {
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Serial.println("Connected Succesfully!");
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} else {
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while(!SerialBT.connected(10000)) {
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Serial.println("Failed to connect. Make sure remote device is available and in range, then restart app.");
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}
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}
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// disconnect() may take upto 10 secs max
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if (SerialBT.disconnect()) {
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Serial.println("Disconnected Succesfully!");
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}
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// this would reconnect to the name(will use address, if resolved) or address used with connect(name/address).
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SerialBT.connect();
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}
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void loop() {
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if (Serial.available()) {
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SerialBT.write(Serial.read());
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}
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if (SerialBT.available()) {
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Serial.write(SerialBT.read());
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}
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delay(20);
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}
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