53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Sketch shows how to use SimpleBLE to advertise the name of the device and change it on the press of a button
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// Useful if you want to advertise some sort of message
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// Button is attached between GPIO 0 and GND, and the device name changes each time the button is pressed
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#include "SimpleBLE.h"
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#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
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#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
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#endif
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SimpleBLE ble;
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void onButton(){
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String out = "BLE32 name: ";
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out += String(millis() / 1000);
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Serial.println(out);
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ble.begin(out);
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}
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void setup() {
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Serial.begin(115200);
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Serial.setDebugOutput(true);
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pinMode(0, INPUT_PULLUP);
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Serial.print("ESP32 SDK: ");
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Serial.println(ESP.getSdkVersion());
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ble.begin("ESP32 SimpleBLE");
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Serial.println("Press the button to change the device's name");
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}
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void loop() {
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static uint8_t lastPinState = 1;
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uint8_t pinState = digitalRead(0);
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if(!pinState && lastPinState){
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onButton();
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}
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lastPinState = pinState;
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while(Serial.available()) Serial.write(Serial.read());
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}
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