jgh

Dependents:   Migration

Fork of BLE_API by Bluetooth Low Energy

ble/BLEProtocol.h

Committer:
vcoubard
Date:
2016-01-11
Revision:
1115:82d4a8a56d91
Parent:
1078:79c089630b38
Child:
1119:7a487d506451

File content as of revision 1115:82d4a8a56d91:

/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 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_PROTOCOL_H__
#define __BLE_PROTOCOL_H__

#include <stddef.h>
#include <stdint.h>
#include <algorithm>
#include <string.h>

/**
 * A common namespace for types and constants used everywhere in BLE API.
 */
namespace BLEProtocol {
    /**< Address-type for Protocol addresses. */
    struct AddressType { /* Adding a struct to encapsulate the contained enumeration
                          * prevents polluting the BLEProtocol namespace with the
                          * enumerated values. It also allows type-aliases for the
                          * enumeration while retaining the enumerated values. i.e.
                          *
                          * doing:
                          *       typedef AddressType_t AliasedType_t;
                          * would allow the use of AliasedType_t::PUBLIC in code. */
        enum Type {
            PUBLIC = 0,
            RANDOM_STATIC,
            RANDOM_PRIVATE_RESOLVABLE,
            RANDOM_PRIVATE_NON_RESOLVABLE
        };
    };
    typedef AddressType::Type AddressType_t; /**< Alias for AddressType::Type */

    static const size_t ADDR_LEN = 6;        /**< Length (in octets) of the BLE MAC address. */
    typedef uint8_t AddressBytes_t[ADDR_LEN];     /**< 48-bit address, in LSB format. */

    /**
     * BLE address. It contains an address-type (@ref AddressType_t) and bytes (@ref AddressBytes_t).
     */
    struct Address_t {
        AddressType_t  type;    /**< @ref AddressType_t */
        AddressBytes_t address; /**< @ref AddressBytes_t */

        Address_t(AddressType_t typeIn, const AddressBytes_t& addressIn) : type(typeIn) {
            std::copy(addressIn, addressIn + ADDR_LEN, address);
        }

        Address_t(void) : type(AddressType::PUBLIC), address() {
        }

        bool operator<(const Address_t &rhs) const {
            if (type < rhs.type) {
                return true;
            } else if (type > rhs.type) {
                return false;
            }
            return (memcmp(address, rhs.address, sizeof(AddressBytes_t)) < 0) ? true : false;
        }
    };
};

#endif /* __BLE_PROTOCOL_H__ */