Microbug / BLE_API_FOTA

Fork of BLE_API by Bluetooth Low Energy

hw/GattServer.h

Committer:
Rohit Grover
Date:
2014-05-21
Revision:
34:da2ea8cd6216
Parent:
31:2c94f0501807
Child:
64:95529f47b782

File content as of revision 34:da2ea8cd6216:

/* 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 __GATT_SERVER_H__
#define __GATT_SERVER_H__

#include "mbed.h"
#include "blecommon.h"
#include "GattService.h"
#include "GattServerEvents.h"

/**************************************************************************/
/*!
    \brief
    The base class used to abstract GATT Server functionality to a specific
    radio transceiver, SOC or BLE Stack.
*/
/**************************************************************************/
class GattServer
{
private:
    GattServerEvents *m_pEventHandler;

public:
    /* These functions must be defined in the sub-class */
    virtual ble_error_t addService(GattService &) = 0;
    virtual ble_error_t readValue(uint16_t, uint8_t[],
                                  uint16_t)                 = 0;
    virtual ble_error_t updateValue(uint16_t,
                                    uint8_t[],
                                    uint16_t,
                                    bool localOnly = false) = 0;

    // ToDo: For updateValue, check the CCCD to see if the value we are
    // updating has the notify or indicate bits sent, and if BOTH are set
    // be sure to call sd_ble_gatts_hvx() twice with notify then indicate!
    // Strange use case, but valid and must be covered!

    /* Event callback handlers */
    void setEventHandler(GattServerEvents *pEventHandler) {
        m_pEventHandler = pEventHandler;
    }

    void handleEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle) {
        if (NULL == m_pEventHandler) {
            return;
        }
        switch (type) {
        case GattServerEvents::GATT_EVENT_DATA_SENT:
            m_pEventHandler->onDataSent(charHandle);
            break;
        case GattServerEvents::GATT_EVENT_DATA_WRITTEN:
            m_pEventHandler->onDataWritten(charHandle);
            break;
        case GattServerEvents::GATT_EVENT_UPDATES_ENABLED:
            m_pEventHandler->onUpdatesEnabled(charHandle);
            break;
        case GattServerEvents::GATT_EVENT_UPDATES_DISABLED:
            m_pEventHandler->onUpdatesDisabled(charHandle);
            break;
        case GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED:
            m_pEventHandler->onConfirmationReceived(charHandle);
            break;
        }
    }

    uint8_t serviceCount;
    uint8_t characteristicCount;
};

#endif // ifndef __GATT_SERVER_H__