mbed-os/features/FEATURE_BLE/ble/services/iBeacon.h

76 lines
2.5 KiB
C++

/* 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_H__
#define __BLE_IBEACON_H__
#include "core_cmInstr.h"
#include "ble/BLE.h"
/**
* @class iBeacon
* @brief iBeacon Service. This sets up a device to broadcast advertising packets to mimic an iBeacon.
*/
class iBeacon
{
public:
typedef const uint8_t LocationUUID_t[16];
union Payload {
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;
};
Payload(LocationUUID_t uuid, uint16_t majNum, uint16_t minNum, uint8_t transmitPower, uint16_t companyIDIn) :
companyID(companyIDIn), ID(0x02), len(0x15), majorNumber(__REV16(majNum)), minorNumber(__REV16(minNum)), txPower(transmitPower)
{
memcpy(proximityUUID, uuid, sizeof(LocationUUID_t));
}
};
public:
iBeacon(BLE &_ble,
LocationUUID_t uuid,
uint16_t majNum,
uint16_t minNum,
uint8_t txP = 0xC8,
uint16_t compID = 0x004C) :
ble(_ble), data(uuid, majNum, minNum, txP, compID)
{
// 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);
}
protected:
BLE &ble;
Payload data;
};
typedef iBeacon iBeaconService; /* This type-alias is deprecated. Please use iBeacon directly. This alias may be dropped from a future release. */
#endif //__BLE_IBEACON_H__