main.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2015 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 "ble/BLE.h"
00019 #include "HeartRateService.h"
00020 #include "BatteryService.h"
00021 #include "DeviceInformationService.h"
00022 
00023 Serial  pc1(USBTX, USBRX);
00024 #define DEBUG(...) { pc1.printf(__VA_ARGS__); }
00025 
00026 // ??? Initialize Ticker and DigitalOut objects
00027 // 1 DigitalOut object for Led 1
00028 // 2 Ticker objects: for aliveness and updating measurements
00029 DigitalOut ???????????
00030 Ticker ????????;
00031 Ticker ????????;
00032 
00033 // Initialize variables and tables
00034 // Define the device name (add your group number)
00035 const static char     ?????????[]        = "MY_BLE_HRM??";
00036 static const uint16_t uuid16_list[]        = {GattService::UUID_HEART_RATE_SERVICE,
00037                                               GattService::UUID_BATTERY_SERVICE,
00038                                               GattService::UUID_DEVICE_INFORMATION_SERVICE};
00039 
00040 // ??? define flag for measurement updating
00041 static volatile bool  ?????????????????????????
00042 
00043 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
00044 {
00045     DEBUG("Disconnected!\n\r");
00046     DEBUG("Restarting the advertising process\n\r");
00047     (void)params;
00048       // ??? Restart advertising
00049       ??????????????????????????
00050 }
00051 
00052 // Connection Handler
00053 void connectionCallback(const Gap::ConnectionCallbackParams_t *params)
00054 {
00055     DEBUG("Connected\r\n");
00056 }
00057 
00058 // ??? Define update Characteristics Handler update_handler
00059 // It must set the flag for update the heart rate
00060 void ???????????(void)
00061 {    
00062       ??????????????????????????
00063 }
00064 
00065 // ??? Define the Aliveness Handler, it must toggle the led 1
00066 void aliveness_handler (void)
00067 {   
00068       ????????????????????????
00069 }
00070 
00071 
00072 void onBleInitError(BLE &ble, ble_error_t error)
00073 {
00074     (void)ble;
00075     (void)error;
00076    /* Initialization error handling should go here */
00077 }
00078 
00079 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
00080 {
00081     BLE&        ble   = params->ble;
00082     ble_error_t error = params->error;
00083     
00084     // ??? Attach ticker objects to functions
00085     // Two handlers:
00086     // 1. aliveness_handler, with 500 ms timing, which toggles led1
00087     // 2. update_handler, with 2 s timing, which sets a flag for the heart rate updating
00088         ???????????????????????????
00089         ???????????????????????????
00090 
00091     DEBUG("Initialising \n\r");
00092 
00093     if (error != BLE_ERROR_NONE) {
00094         onBleInitError(ble, error);
00095         return;
00096     }
00097 
00098     if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
00099         return;
00100     }
00101 
00102     ble.gap().onDisconnection(disconnectionCallback);
00103     ble.gap().onConnection(connectionCallback);
00104     
00105         // Setup BLE device services
00106 
00107     /* ??? Setup primary service. */
00108     // Define and init variable for heart rate simulation (it can be a uint8_t)
00109     uint8_t ????????????????? = ???;
00110     /* Declare and init (call constructor) HeartRateService object
00111      * Constructor is:
00112      * HeartRateService(BLE &_ble, uint8_t hrmCounter, uint8_t location) 
00113      * for location you can use HeartRateService::LOCATION_FINGER */
00114     HeartRateService ????????????????;
00115     
00116     /* ??? Setup battery level service. */
00117     // Define and init variable for battery level simulation (it can be a uint8_t)
00118     uint8_t ?????????? = ???;
00119     /* Declare and init (call constructor) BatteryService object
00120      * Constructor is:
00121      * BatteryService(BLE &_ble, uint8_t level = 100) */
00122     BatteryService   ????????????????;
00123     /* Declare and init (call constructor) DeviceInformationService object
00124      * Constructor is:
00125      * DeviceInformationService(BLE        &_ble,
00126                          const char *manufacturersName = NULL,
00127                          const char *modelNumber       = NULL,
00128                          const char *serialNumber      = NULL,
00129                          const char *hardwareRevision  = NULL,
00130                          const char *firmwareRevision  = NULL,
00131                          const char *softwareRevision  = NULL) 
00132      * You can use manufacturerName = "ST", modelNumber = "Nucleo", serialNumber = "SN1"*/
00133     DeviceInformationService ???????????????;
00134 
00135     /* Setup advertising. */
00136     ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
00137     // ??? Add the complete list of services provided to the advertising payload (GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS)
00138     ble.gap().??????????????????????????????????
00139     // ??? Add the heart rate service to the advertising payload (GapAdvertisingData::GENERIC_HEART_RATE_SENSOR)
00140     ble.gap().??????????????????????????????????
00141     // ??? Add the device name to the advertising payload (GapAdvertisingData::COMPLETE_LOCAL_NAME)
00142     ble.gap().??????????????????????????????????
00143     ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00144     // Set advertising interval to 1 s
00145     ble.gap().??????????????????????????????????
00146     // ??? Start advertising, call the appropriate methods of the GAP object
00147     ble.gap().????????????????;
00148 
00149     // infinite loop
00150     while (true) {
00151         // check for  from update_handler()
00152         if (???????????????????? && ble.getGapState().connected) {
00153             //??? Reset flag
00154             ?????????????????????
00155             
00156             // ??? Update the heart rate counter
00157             // increase by 1. If equal to 150, then reset to 80
00158             ?????????????
00159             ?????????????
00160             ?????????????
00161             ?????????????
00162 
00163             // ??? Update value of heart rate service
00164             ?????????????????????????
00165         } else {
00166             ble.waitForEvent(); // low power wait for event
00167         }
00168     }
00169 }
00170 
00171 int main(void)
00172 {
00173     BLE::Instance().init(bleInitComplete);
00174 }
00175