CAN TANG / Mbed 2 deprecated BLE_iBeacon

Beacon demo for the BLE API using the nRF51822 native mode drivers

Dependencies:   BLE_API SDFileSystem mbed-rtos mbed nRF51822 X_NUCLEO_IDB0XA1

Fork of BLE_iBeacon by Bluetooth Low Energy

main.cpp@9:438f44012039, 2014-05-22 (annotated)

Committer:
Rohit Grover
Date:
Thu May 22 09:54:46 2014 +0100
Revision:
9:438f44012039
Parent:
8:d851d92601b7
Child:
10:391c1acf4b9d
renaming LEDs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 0:7613d21e5974 1 /* mbed Microcontroller Library
ktownsend 0:7613d21e5974 2 * Copyright (c) 2006-2013 ARM Limited
ktownsend 0:7613d21e5974 3 *
ktownsend 0:7613d21e5974 4 * Licensed under the Apache License, Version 2.0 (the "License");
ktownsend 0:7613d21e5974 5 * you may not use this file except in compliance with the License.
ktownsend 0:7613d21e5974 6 * You may obtain a copy of the License at
ktownsend 0:7613d21e5974 7 *
ktownsend 0:7613d21e5974 8 * http://www.apache.org/licenses/LICENSE-2.0
ktownsend 0:7613d21e5974 9 *
ktownsend 0:7613d21e5974 10 * Unless required by applicable law or agreed to in writing, software
ktownsend 0:7613d21e5974 11 * distributed under the License is distributed on an "AS IS" BASIS,
ktownsend 0:7613d21e5974 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ktownsend 0:7613d21e5974 13 * See the License for the specific language governing permissions and
ktownsend 0:7613d21e5974 14 * limitations under the License.
ktownsend 0:7613d21e5974 15 */
ktownsend 0:7613d21e5974 16
ktownsend 0:7613d21e5974 17 #include "mbed.h"
ktownsend 0:7613d21e5974 18 #include "nRF51822n.h"
ktownsend 0:7613d21e5974 19
ktownsend 0:7613d21e5974 20 nRF51822n nrf; /* BLE radio driver */
ktownsend 0:7613d21e5974 21
Rohit Grover 9:438f44012039 22 DigitalOut mainloopLED(LED1);
Rohit Grover 9:438f44012039 23 DigitalOut tickerLED(LED2);
ktownsend 0:7613d21e5974 24 Ticker flipper;
ktownsend 0:7613d21e5974 25 Serial pc(USBTX,USBRX);
ktownsend 0:7613d21e5974 26
ktownsend 0:7613d21e5974 27 void tickerCallback(void);
ktownsend 0:7613d21e5974 28
ktownsend 0:7613d21e5974 29 /**************************************************************************/
ktownsend 0:7613d21e5974 30 /*!
ktownsend 0:7613d21e5974 31 @brief Program entry point
ktownsend 0:7613d21e5974 32 */
ktownsend 0:7613d21e5974 33 /**************************************************************************/
ktownsend 0:7613d21e5974 34 int main(void)
ktownsend 0:7613d21e5974 35 {
Rohit Grover 9:438f44012039 36 /* Setup blinky: mainloopLED is toggled in main, tickerLED is toggled via Ticker */
Rohit Grover 9:438f44012039 37 mainloopLED = 1;
Rohit Grover 9:438f44012039 38 tickerLED = 1;
ktownsend 0:7613d21e5974 39 flipper.attach(&tickerCallback, 1.0);
ktownsend 0:7613d21e5974 40
ktownsend 0:7613d21e5974 41 /* Initialise the nRF51822 */
ktownsend 0:7613d21e5974 42 pc.printf("Initialising the nRF51822\n\r");
ktownsend 0:7613d21e5974 43 nrf.init();
rohit.grover 6:26eab6ee6df4 44
rohit.grover 5:97ce285ff00a 45 GapAdvertisingParams advParams (
rohit.grover 5:97ce285ff00a 46 GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED );
ktownsend 0:7613d21e5974 47 GapAdvertisingData advData;
ktownsend 0:7613d21e5974 48 GapAdvertisingData scanResponse;
ktownsend 0:7613d21e5974 49
rohit.grover 7:e2bfd5db6713 50 /*
rohit.grover 7:e2bfd5db6713 51 * For this demo application, populate the beacon advertisement payload
rohit.grover 7:e2bfd5db6713 52 * with 2 AD structures: FLAG and MSD
rohit.grover 7:e2bfd5db6713 53 *
rohit.grover 7:e2bfd5db6713 54 * Reference:
rohit.grover 7:e2bfd5db6713 55 * Bluetooth Core Specification 4.0 (Vol. 3), Part C, Section 11, 18
rohit.grover 7:e2bfd5db6713 56 */
rohit.grover 7:e2bfd5db6713 57
rohit.grover 7:e2bfd5db6713 58 /* Define an Beacon payload.
rohit.grover 7:e2bfd5db6713 59
rohit.grover 7:e2bfd5db6713 60 This is the data part of the MSD AdvertisingData structure to be added to
rohit.grover 7:e2bfd5db6713 61 the advertising payload.
ktownsend 0:7613d21e5974 62 --------------------------------------------------------------
ktownsend 0:7613d21e5974 63 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61
ktownsend 0:7613d21e5974 64 Major/Minor = 0000 / 0000
ktownsend 0:7613d21e5974 65 Tx Power = C8
ktownsend 0:7613d21e5974 66 */
rohit.grover 7:e2bfd5db6713 67 uint8_t beaconPayload[] = {
rohit.grover 7:e2bfd5db6713 68 0x4C, 0x00, // Company identifier code (0x004C == Apple)
rohit.grover 7:e2bfd5db6713 69 0x02, // ID
rohit.grover 7:e2bfd5db6713 70 0x15, // length of the remaining payload
rohit.grover 7:e2bfd5db6713 71 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
rohit.grover 7:e2bfd5db6713 72 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
rohit.grover 7:e2bfd5db6713 73 0x00, 0x00, // the major value to differenciate a location
rohit.grover 7:e2bfd5db6713 74 0x00, 0x00, // the minor value to differenciate a location
rohit.grover 7:e2bfd5db6713 75 0xC8 // 2's complement of the Tx power (-56dB)
rohit.grover 7:e2bfd5db6713 76 };
ktownsend 0:7613d21e5974 77
ktownsend 0:7613d21e5974 78 /* Make sure we get a clean start */
ktownsend 0:7613d21e5974 79 nrf.reset();
ktownsend 0:7613d21e5974 80
ktownsend 0:7613d21e5974 81 advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED);
rohit.grover 5:97ce285ff00a 82 advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA,
rohit.grover 5:97ce285ff00a 83 beaconPayload,
rohit.grover 5:97ce285ff00a 84 sizeof(beaconPayload));
ktownsend 0:7613d21e5974 85
ktownsend 0:7613d21e5974 86 /* Start advertising! */
ktownsend 0:7613d21e5974 87 nrf.getGap().setAdvertisingData(advData, scanResponse);
ktownsend 0:7613d21e5974 88 nrf.getGap().startAdvertising(advParams);
ktownsend 0:7613d21e5974 89
Rohit Grover 9:438f44012039 90 /* Do blinky on mainloopLED while we're waiting for BLE events */
rohit.grover 5:97ce285ff00a 91 for (;; ) {
Rohit Grover 9:438f44012039 92 mainloopLED = !mainloopLED;
rohit.grover 6:26eab6ee6df4 93 wait(1);
ktownsend 0:7613d21e5974 94 }
ktownsend 0:7613d21e5974 95 }
ktownsend 0:7613d21e5974 96
ktownsend 0:7613d21e5974 97 /**************************************************************************/
ktownsend 0:7613d21e5974 98 /*!
Rohit Grover 9:438f44012039 99 @brief Ticker callback to switch tickerLED state
ktownsend 0:7613d21e5974 100 */
ktownsend 0:7613d21e5974 101 /**************************************************************************/
ktownsend 0:7613d21e5974 102 void tickerCallback(void)
ktownsend 0:7613d21e5974 103 {
Rohit Grover 9:438f44012039 104 tickerLED = !tickerLED;
ktownsend 0:7613d21e5974 105 }