BlueNRGGattServer.h

00001 /* mbed Microcontroller Library
00002 * Copyright (c) 2006-2013 ARM Limited
00003 *
00004 * Licensed under the Apache License, Version 2.0 (the "License");
00005 * you may not use this file except in compliance with the License.
00006 * You may obtain a copy of the License at
00007 *
00008 *     http://www.apache.org/licenses/LICENSE-2.0
00009 *
00010 * Unless required by applicable law or agreed to in writing, software
00011 * distributed under the License is distributed on an "AS IS" BASIS,
00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013 * See the License for the specific language governing permissions and
00014 * limitations under the License.
00015 */
00016 /**
00017   ******************************************************************************
00018   * @file    BlueNRGGattServer.cpp
00019   * @author  STMicroelectronics
00020   * @brief   Header file for BLE_API GattServer Class
00021   ******************************************************************************
00022   * @copy
00023   *
00024   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
00025   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
00026   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
00027   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
00028   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
00029   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
00030   *
00031   * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
00032   */
00033 
00034 #ifndef __BLUENRG_GATT_SERVER_H__
00035 #define __BLUENRG_GATT_SERVER_H__
00036 
00037 #ifdef YOTTA_CFG_MBED_OS
00038     #include "mbed-drivers/mbed.h"
00039 #else
00040     #include "mbed.h"
00041 #endif 
00042 #include "ble/blecommon.h"
00043 #include "btle.h"
00044 #include "ble/GattService.h"
00045 #include "ble/GattServer.h"
00046 #include <vector>
00047 #include <map>
00048 
00049 #define BLE_TOTAL_CHARACTERISTICS 10
00050 
00051 using namespace std;
00052 
00053 class BlueNRGGattServer : public GattServer
00054 {
00055 public:
00056     static BlueNRGGattServer &getInstance() {
00057         static BlueNRGGattServer m_instance;
00058         return m_instance;
00059     }
00060 
00061     enum HandleEnum_t {
00062         CHAR_HANDLE = 0,
00063         CHAR_VALUE_HANDLE,
00064         CHAR_DESC_HANDLE
00065     };
00066 
00067     /* Functions that must be implemented from GattServer */
00068     virtual ble_error_t addService(GattService &);
00069     virtual ble_error_t read(GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
00070     virtual ble_error_t read(Gap::Handle_t connectionHandle, GattAttribute::Handle_t attributeHandle, uint8_t buffer[], uint16_t *lengthP);
00071     virtual ble_error_t write(GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
00072     virtual ble_error_t write(Gap::Handle_t connectionHandle, GattAttribute::Handle_t, const uint8_t[], uint16_t, bool localOnly = false);
00073     virtual ble_error_t initializeGATTDatabase(void);
00074 
00075     virtual bool isOnDataReadAvailable() const {
00076         return true;
00077     }
00078 
00079     virtual ble_error_t reset(void);
00080 
00081     /* BlueNRG Functions */
00082     void eventCallback(void);
00083     //void hwCallback(void *pckt);
00084     ble_error_t Read_Request_CB(uint16_t attributeHandle);
00085     uint8_t Write_Request_CB(
00086         uint16_t connection_handle, uint16_t attr_handle,
00087         uint8_t data_length, const uint8_t* data
00088     );
00089     GattCharacteristic* getCharacteristicFromHandle(uint16_t charHandle);
00090     void HCIDataWrittenEvent(const GattWriteCallbackParams *params);
00091     void HCIDataReadEvent(const GattReadCallbackParams *params);
00092     void HCIEvent(GattServerEvents::gattEvent_e type, uint16_t charHandle);
00093     void HCIDataSentEvent(unsigned count);
00094 
00095 private:
00096 
00097     // compute the number of attribute record needed by a service
00098     static uint16_t computeAttributesRecord(GattService& service);
00099 
00100 
00101     static const int MAX_SERVICE_COUNT = 10;
00102     uint8_t serviceCount;
00103     uint8_t characteristicCount;
00104     uint16_t servHandle, charHandle;
00105 
00106     std::map<uint16_t, uint16_t> bleCharHandleMap;  // 1st argument is characteristic, 2nd argument is service
00107     GattCharacteristic *p_characteristics[BLE_TOTAL_CHARACTERISTICS];
00108     uint16_t bleCharacteristicHandles[BLE_TOTAL_CHARACTERISTICS];
00109 
00110     BlueNRGGattServer() {
00111         serviceCount = 0;
00112         characteristicCount = 0;
00113     };
00114 
00115     BlueNRGGattServer(BlueNRGGattServer const &);
00116     void operator=(BlueNRGGattServer const &);
00117 
00118     static const int CHAR_DESC_TYPE_16_BIT=0x01;
00119     static const int CHAR_DESC_TYPE_128_BIT=0x02;
00120     static const int CHAR_DESC_SECURITY_PERMISSION=0x00;
00121     static const int CHAR_DESC_ACCESS_PERMISSION=0x03;
00122     static const int CHAR_ATTRIBUTE_LEN_IS_FIXED=0x00;
00123 };
00124 
00125 #endif