My fork of X_NUCLEO_IDB0XA1

Fork of X_NUCLEO_IDB0XA1 by ST

x-nucleo-idb0xa1/BlueNRGGattServer.h

Committer:
Wolfgang Betz
Date:
2015-10-06
Revision:
130:770ce14d3d15
Child:
131:e09947216ccb

File content as of revision 130:770ce14d3d15:

/* 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.
*/
/**
  ******************************************************************************
  * @file    BlueNRGGattServer.cpp 
  * @author  STMicroelectronics
  * @brief   Header file for BLE_API GattServer Class
  ******************************************************************************
  * @copy
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  */ 
  
// ANDREA: Changed some types (e.g., tHalUint8 --> uint8_t)
 
#ifndef __BLUENRG_GATT_SERVER_H__
#define __BLUENRG_GATT_SERVER_H__

#include "mbed.h"
#include "blecommon.h"
#include "btle.h"
#include "GattService.h"
#include "ble/GattServer.h"
#include <vector>
#include <map>

#define BLE_TOTAL_CHARACTERISTICS 10

// If the char has handle 'x', then the value declaration will have the handle 'x+1'
// If the char has handle 'x', then the char descriptor declaration will have the handle 'x+2'
#define CHAR_VALUE_OFFSET 1
#define CHAR_DESC_OFFSET 2

using namespace std;

class BlueNRGGattServer : public GattServer
{
public:
    static BlueNRGGattServer &getInstance() {
        static BlueNRGGattServer m_instance;
        return m_instance;
    }
    
    enum HandleEnum_t {
        CHAR_HANDLE = 0,
        CHAR_VALUE_HANDLE,
        CHAR_DESC_HANDLE
    };
    
    /* Functions that must be implemented from GattServer */
    // <<<ANDREA>>>
    virtual ble_error_t addService(GattService &);
    virtual ble_error_t readValue(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
    virtual ble_error_t readValue(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
    virtual ble_error_t write(GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
    virtual ble_error_t write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
    virtual ble_error_t initializeGATTDatabase(void);
    
    virtual bool isOnDataReadAvailable() const {
        return true;
    }
    // <<<ANDREA>>>
    
    /* BlueNRG Functions */
    void eventCallback(void);
    //void hwCallback(void *pckt);
    ble_error_t Read_Request_CB(uint16_t handle);
    GattCharacteristic* getCharacteristicFromHandle(uint16_t charHandle);
    void HCIDataWrittenEvent(const GattWriteCallbackParams *params);
    void HCIDataReadEvent(const GattReadCallbackParams *params);
    void HCIEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle);
    void HCIDataSentEvent(unsigned count);
    
private:
    static const int MAX_SERVICE_COUNT = 10;
    uint8_t serviceCount;
    uint8_t characteristicCount;
    uint16_t servHandle, charHandle;

    std::map<uint16_t, uint16_t> bleCharHanldeMap;  // 1st argument is characteristic, 2nd argument is service
    GattCharacteristic *p_characteristics[BLE_TOTAL_CHARACTERISTICS];
    uint16_t bleCharacteristicHandles[BLE_TOTAL_CHARACTERISTICS];

    BlueNRGGattServer() {
        serviceCount = 0;
        characteristicCount = 0;
    };

    BlueNRGGattServer(BlueNRGGattServer const &);
    void operator=(BlueNRGGattServer const &);
    
    static const int CHAR_DESC_TYPE_16_BIT=0x01; 
    static const int CHAR_DESC_TYPE_128_BIT=0x02;    
    static const int CHAR_DESC_SECURITY_PERMISSION=0x00;
    static const int CHAR_DESC_ACCESS_PERMISSION=0x03;  
    static const int CHAR_ATTRIBUTE_LEN_IS_FIXED=0x00;        
};

#endif