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JAICHANGPARK/ble_callback.ino Last active July 28, 2018 08:23 Show Gist options

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Learn more about clone URLs Clone this repository at <script src="https://gist.github.com/JAICHANGPARK/d4e5e71b970a3672523ecd00c551389f.js"></script> Save JAICHANGPARK/d4e5e71b970a3672523ecd00c551389f to your computer and use it in GitHub Desktop. Download ZIP [Arduino] Read BLE Byte Array on Arduino 101 ref: https://qiita.com/Dreamwalker/items/4f1d984f99d15e1f0744 Raw ble_callback.ino This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters Show hidden characters

/*

Copyright (c) 2016 Intel Corporation. All rights reserved.

See the bottom of this file for the license terms.

*/

#include <CurieBLE.h>

const int ledPin = 13; // set ledPin to use on-board LED

BLEService ledService("19B10000-E8F2-537E-4F6C-D104768A1214"); // create service

// create switch characteristic and allow remote device to read and write

BLECharacteristic switchChar("19B10001-E8F2-537E-4F6C-D104768A1214", BLERead | BLEWrite, 20);

void setup() {

Serial.begin(9600);

pinMode(ledPin, OUTPUT); // use the LED on pin 13 as an output

// begin initialization

BLE.begin();

// set the local name peripheral advertises

BLE.setLocalName("LEDCB");

// set the UUID for the service this peripheral advertises

BLE.setAdvertisedService(ledService);

// add the characteristic to the service

ledService.addCharacteristic(switchChar);

// add service

BLE.addService(ledService);

// assign event handlers for connected, disconnected to peripheral

BLE.setEventHandler(BLEConnected, blePeripheralConnectHandler);

BLE.setEventHandler(BLEDisconnected, blePeripheralDisconnectHandler);

// assign event handlers for characteristic

switchChar.setEventHandler(BLEWritten, switchCharacteristicWritten);

// set an initial value for the characteristic

switchChar.setValue(0,0);

// start advertising

BLE.advertise();

Serial.println(("Bluetooth device active, waiting for connections..."));

}

void loop() {

// poll for BLE events

BLE.poll();

}

void blePeripheralConnectHandler(BLEDevice central) {

// central connected event handler

Serial.print("Connected event, central: ");

Serial.println(central.address());

}

void blePeripheralDisconnectHandler(BLEDevice central) {

// central disconnected event handler

Serial.print("Disconnected event, central: ");

Serial.println(central.address());

}

int rxHead = 0;

volatile static uint8_t rxBuffer[20];

void switchCharacteristicWritten(BLEDevice central, BLECharacteristic characteristic) {

// central wrote new value to characteristic, update LED

Serial.print("Characteristic event, written: ");

size_t len = switchChar.valueLength();

const unsigned char *data = switchChar.value();

Serial.print("Got data:");

Serial.write(data, len);

}

void addReceiveBytes(const uint8_t* bytes, size_t len) {

// note increment rxHead befor writing

// so need to increment rxTail befor reading

for (size_t i = 0; i < len; i++) {

rxHead = (rxHead + 1) % sizeof(rxBuffer);

rxBuffer[rxHead] = bytes[i];

}

}

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