BlueNRGDevice.cpp

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 #include "mbed.h"
00018 #include "BlueNRGDevice.h"
00019 #include "BlueNRGGap.h"
00020 #include "BlueNRGGattServer.h"
00021 
00022 #include "btle.h"
00023 #include "Utils.h"
00024 #include "osal.h"
00025 
00026 /**
00027 * The singleton which represents the BlueNRG transport for the BLEDevice.
00028 */
00029 static BlueNRGDevice deviceInstance;
00030 
00031 /**
00032 * BLE-API requires an implementation of the following function in order to
00033 * obtain its transport handle.
00034 */
00035 BLEDeviceInstanceBase *
00036 createBLEDeviceInstance(void)
00037 {
00038     return (&deviceInstance);
00039 }
00040 
00041 /**************************************************************************/
00042 /*!
00043     @brief  Constructor
00044 */
00045 /**************************************************************************/
00046 BlueNRGDevice::BlueNRGDevice(void)
00047 {
00048     isInitialized = false;
00049 }
00050 
00051 /**************************************************************************/
00052 /*!
00053     @brief  Destructor
00054 */
00055 /**************************************************************************/
00056 BlueNRGDevice::~BlueNRGDevice(void)
00057 {
00058 }
00059 
00060 /**************************************************************************/
00061 /*!
00062     @brief  Initialises anything required to start using BLE
00063 
00064     @returns    ble_error_t
00065 
00066     @retval     BLE_ERROR_NONE
00067                 Everything executed properly
00068 
00069     @section EXAMPLE
00070 
00071     @code
00072 
00073     @endcode
00074 */
00075 /**************************************************************************/
00076 ble_error_t BlueNRGDevice::init(void)
00077 {
00078     /* ToDo: Clear memory contents, reset the SD, etc. */
00079     btle_init(BlueNRGGap::getInstance().getIsSetAddress());
00080 
00081     isInitialized = true;
00082     
00083     return BLE_ERROR_NONE;
00084 }
00085 
00086 /**************************************************************************/
00087 /*!
00088     @brief  Resets the BLE HW, removing any existing services and
00089             characteristics
00090 
00091     @returns    ble_error_t
00092 
00093     @retval     BLE_ERROR_NONE
00094                 Everything executed properly
00095 
00096     @section EXAMPLE
00097 
00098     @code
00099 
00100     @endcode
00101 */
00102 /**************************************************************************/
00103 ble_error_t BlueNRGDevice::reset(void)
00104 {
00105     wait(0.5);
00106 
00107     /* Reset BlueNRG SPI interface */
00108     BlueNRG_RST();
00109 
00110     /* Wait for the radio to come back up */
00111     wait(1);
00112     
00113     isInitialized = false;
00114 
00115     return BLE_ERROR_NONE;
00116 }
00117 
00118 void BlueNRGDevice::waitForEvent(void)
00119 {
00120     HCI_Process();//Send App Events??
00121     
00122 }
00123 
00124 
00125 /**************************************************************************/
00126 /*!
00127     @brief  get GAP version
00128     
00129     @returns    char *      
00130 
00131     @retval    pointer to version string
00132 
00133     @section EXAMPLE
00134 
00135     @code
00136 
00137     @endcode
00138 */
00139 /**************************************************************************/
00140 const char *BlueNRGDevice::getVersion(void)
00141 {
00142     char *version = new char[6];
00143     memcpy((void *)version, "1.0.0", 5);
00144     return version;
00145 }
00146 
00147 /**************************************************************************/
00148 /*!
00149     @brief  get init state
00150     
00151     @returns    bool  
00152 
00153     @retval    
00154 
00155     @section EXAMPLE
00156 
00157     @code
00158 
00159     @endcode
00160 */
00161 /**************************************************************************/
00162 bool BlueNRGDevice::getIsInitialized(void)
00163 {
00164     return isInitialized;
00165 }
00166 
00167 /**************************************************************************/
00168 /*!
00169     @brief  get reference to GAP object
00170     
00171     @returns    Gap&      
00172 
00173     @retval    reference to gap object
00174 
00175     @section EXAMPLE
00176 
00177     @code
00178 
00179     @endcode
00180 */
00181 /**************************************************************************/
00182 Gap        &BlueNRGDevice::getGap()        
00183 {
00184     return BlueNRGGap::getInstance();
00185 }
00186 
00187 /**************************************************************************/
00188 /*!
00189     @brief  get reference to GATT server object
00190     
00191     @returns    GattServer&    
00192 
00193     @retval    reference to GATT server object
00194 
00195     @section EXAMPLE
00196 
00197     @code
00198 
00199     @endcode
00200 */
00201 /**************************************************************************/
00202 GattServer &BlueNRGDevice::getGattServer() 
00203 {
00204     return BlueNRGGattServer::getInstance();
00205 }
00206 
00207 /**************************************************************************/
00208 /*!
00209     @brief  set Tx power level
00210     
00211     @returns    ble_error_t
00212 
00213     @retval     BLE_ERROR_NONE
00214                 Everything executed properly
00215 
00216     @section EXAMPLE
00217 
00218     @code
00219 
00220     @endcode
00221 */
00222 /**************************************************************************/
00223 ble_error_t BlueNRGDevice::setTxPower(int8_t txPower)
00224 {
00225     int8_t enHighPower = 0;
00226     int8_t paLevel = 0;    
00227     int8_t dbmActuallySet = getHighPowerAndPALevelValue(txPower, enHighPower, paLevel);
00228     DEBUG("txPower=%d, dbmActuallySet=%d\n\r", txPower, dbmActuallySet);
00229     DEBUG("enHighPower=%d, paLevel=%d\n\r", enHighPower, paLevel);                    
00230     aci_hal_set_tx_power_level(enHighPower, paLevel);
00231     return BLE_ERROR_NONE;    
00232 }