
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
Revision 55:b9616b70d6a3, committed 2015-02-13
- Comitter:
- rgrover1
- Date:
- Fri Feb 13 16:44:04 2015 +0000
- Parent:
- 54:3a655a9fce9a
- Child:
- 56:56bc0cab3916
- Commit message:
- simplified iBeacon based on the iBeaconService
Changed in this revision
--- a/BLE_API.lib Thu Feb 12 22:43:20 2015 +0000 +++ b/BLE_API.lib Fri Feb 13 16:44:04 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#1407d2f1ce3c +http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#1956023d42fb
--- a/iBeaconService.h Thu Feb 12 22:43:20 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,73 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2015 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef __BLE_IBEACON_SERVICE_H__ -#define __BLE_IBEACON_SERVICE_H__ - -#include "BLEDevice.h" - -/** -* @class iBeaconService -* @brief iBeacon Service. This service sets up a device to broadcast advertising packets to mimic an iBeacon<br> -*/ - -class iBeaconService -{ -public: - iBeaconService(BLEDevice &_ble, uint8_t proxUUID[16],uint16_t majNum,uint16_t minNum,uint8_t txP=0xC8, uint16_t compID=0x004C): - ble(_ble) - { - data.ID = 0x02; // Optional ID field - data.len = 0x15; // Len of remaining stuff (16B UUID, 2B Maj, 2B Min, 1B TxP) - data.majorNumber = ((majNum<<8) | (majNum >>8)); - data.minorNumber = ((minNum<<8) | (minNum >>8)); - data.txPower = txP; // The user should calibrate this to ~1meter fromt he device - data.companyID = compID; // Note: all iBeacons use the Apple ID of 0x004C - - // copy across proximity UUID - for(int x=0; x<sizeof(data.proximityUUID); x++) { - data.proximityUUID[x]=proxUUID[x]; - } - - // Set up iBeacon data - // Generate the 0x020106 part of the iBeacon Prefix - ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE ); - // Generate the 0x1AFF part of the iBeacon Prefix - ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, data.raw, sizeof(data.raw)); - - // Set advertising type - ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); - } - -public: - union { - uint8_t raw[25]; - struct { - uint16_t companyID; - uint8_t ID; - uint8_t len; - uint8_t proximityUUID[16]; - uint16_t majorNumber; - uint16_t minorNumber; - uint8_t txPower; - }; - } data; - -private: - BLEDevice &ble; - -}; - -#endif //__BLE_IBEACON_SERVICE_H__
--- a/main.cpp Thu Feb 12 22:43:20 2015 +0000 +++ b/main.cpp Fri Feb 13 16:44:04 2015 +0000 @@ -15,47 +15,24 @@ */ #include "mbed.h" +#include "BLEDevice.h" #include "iBeaconService.h" -/** - * For this demo application, populate the beacon advertisement payload - * with 2 AD structures: FLAG and MSD (manufacturer specific data). - * - * Reference: - * Bluetooth Core Specification 4.0 (Vol. 3), Part C, Section 11, 18 - */ - BLEDevice ble; -/** - * The Beacon payload has the following composition: - * 128-Bit / 16byte UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61 - * Major/Minor = 0x1122 / 0x3344 - * Tx Power = 0xC8 = 200, 2's compliment is 256-200 = (-56dB) - * - * Note: please remember to calibrate your beacons - * TX Power for more accurate results. - */ -uint8_t uuid[] = {0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, - 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61 - }; -uint16_t majorNumber = 1122; -uint16_t minorNumber = 3344; -uint16_t txPower = 0xC8; - int main(void) { - // Initialize BLE baselayer ble.init(); - // Initialize ibeacon - iBeaconService ibeacon(ble, uuid, majorNumber, minorNumber, txPower); + const uint8_t uuid[] = {0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, + 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61}; + iBeaconService ibeacon(ble, uuid, 0x1122 /* majorNumber */, 0x3344 /* minorNumber */, 0xC8 /* 2's complement of the Tx power (-56dB) */); // Set advertising time ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ ble.startAdvertising(); - while(1) { - ble.waitForEvent(); // allows or low power operation + for (;;) { + ble.waitForEvent(); } }