[Arduino] Read BLE Byte Array On Arduino 101 - Qiita

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@Dreamwalker[Arduino] Read BLE Byte Array on Arduino 101
  • Arduino
  • intel
  • Arduino101
Last updated at 2018-07-28Posted at 2018-07-28 Arduino101?
  1. Core uP : Intel Curie[ x86 Quark core ]
  2. Bit : 32 Bit
  3. About Arduino 101
CODE

Important

  1. BLECharCharacteristic --> BLECharacteristic
ble_callback.ino /* 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]; } } Result

image.png

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Tag » Arduino Ble Byte Array